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Factors Associated with Subjective Improvement Following Midurethral Sling Procedures for Stress Urinary Incontinence: A Masters ThesisWeber Lebrun, Emily Elise 11 May 2010 (has links)
Background Female stress urinary incontinence (SUI) greatly affects quality of life. The midurethal sling (MUS) procedure has been widely accepted as the standard of care treatment for SUI, although there is little information regarding patients' subjective reports of symptom improvement.
Objectives The objective of this study was to identify clinical and demographic characteristics that predict subjective symptom improvement following MUS procedures in women with SUI.
Materials and Methods The study design was retrospective cohort. Subjects included women who underwent MUS between 2006 and 2008, returned mailed surveys and met our predefined inclusion criteria. Pre-operative data included demographics, prior surgery, co-morbid diseases, urodynamics and concomitant reconstructive surgery. Subjective improvement was measured by score improvement on the UIQ-7, UDI-6, the UDI stress subscale and Question 3 of the UDI, "Do you experience urine leakage related to physical activity, coughing, or sneezing?"
Results The mean age of the study sample was 57 years, parity was 2.5 and BMI was 28. Subjects with lower MUCP demonstrated more improvement on the UIQ-7. ΔUDI-6 stress subscale scores were more sensitive to symptom change than either the ΔUDI-6 or ΔUIQ-7. Older, menopausal subjects with urethral hypermobility and concomitant vaginal suspension showed less improvement than subjects without these characteristics. After controlling for urethral straining angle, PVR, menopause and time out from surgery, older age and concomitant vaginal suspension were associated with persistent post-op symptoms on the UDI-6 Question 3 and age remained the only variable associated with persistent symptoms on the UDI-6 stress subscale.
Conclusion Concurrent vaginal suspension and advancing age were risk factors for persistent symptoms following MUS procedures in patients with SUI. Symptoms may recur after 24 post-operative months. Clinicians are encouraged to provide additional preoperative counseling to those women who are at greatest risk for persistent symptoms.
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Refrigerated Stability of Diluted Cisatracurium, Rocuronium, and Vecuronium for skin testing after perioperative anaphylaxisDinsmore, Kristen, Campbell, Bethany, Archibald, Timothy, Mosier, Greg, Brown, Stacy, PhD, Gonzalez-Estrada, Alexei, MD 05 April 2018 (has links) (PDF)
Rationale: The purpose of this study is to investigate the stored stability of dilutions of neuromuscular blocking agents (NMBAs), namely cisatracurium, rocuronium, and vecuronium, for skin prick/intradermal testing.
Methods: Concentrations of NMBAs were monitored by liquid chromatography-mass spectrometry (LC-MS/MS) for a period of 14 days. Dilutions of NMBAs were prepared in saline by factors of 10x, 100x, 1,000x, 10,000x, and 100,000x as sensitivity of the assay allowed. Diluted drug products were stored in a laboratory refrigerator until sampling. On sampling days, aliquots of each dilution were removed and compared to a freshly prepared set of reference dilutions.
Results: The results are measured as beyond use date (BUD) defined as recovery of drug versus the reference (90-110%). Based on the LC-MS/MS data, the BUD for cisatracurium diluted to 10x and 100x is 96 hours. Higher dilutions (1,000x to100,000x) should be used immediately following preparation (within less than 24 hours). Vecuronium at 10x and 100x, also has a BUD of 96 hours, and the 1,000x dilution is stable for 24 hours. The 10,000x dilution should be used immediately. Rocuronium at 10x to 1,000x has a BUD of 48 hours, yet higher dilutions (10,000x and 100,000x) should be used immediately.
Conclusions: With increasing dilution factors, the stability of these drugs in saline decreases, increasing deviation between samples and references. The most stable dilutions for each of the drugs tested were 10x and 100x. Stability of these drugs is likely compromised by hydrolysis of the ester bonds in the drug molecules.
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The influence of CBCT-derived 3D-printed models on endodontic microsurgical treatment planning and confidence of the operatorOza, Shreyas, Galicia, Johnah C. 23 September 2021 (has links)
Aims Use of 3D printed models in Endodontics has been gaining popularity since the technology to create them became more affordable. Currently, there are no studies that evaluate the influence of 3D models on endodontic surgical treatment planning and on operator confidence. Therefore, aims of this study were to: (i) Determine whether the availability of a 3D printed analogue can influence treatment-planning and operator confidence; and, (ii) Assess which factors of operator confidence are influenced, if any.
Materials and Methods Endodontists were asked to analyze a pre-selected CBCT scan of an endodontic surgical case and to answer a questionnaire that determined their surgical approach for that case. After 30 days, the same participants were asked to analyze again the same CBCT scan. This time however, a 3D printed model of the scan was made available to the participants and to perform a mock osteotomy on the model. The participants were then asked to respond to the same questionnaire that they responded to 30 days prior to determine if there would be any changes to their treatment plan. A new set of questions were added to the survey to evaluate the influence of the 3D printed model on participants’ confidence in performing endodontic surgery. The responses were statistically analyzed using Chi square test followed by either logistic or ordered regression analysis while adjusting for experience of participant. Adjustment for multiple comparison analysis was done using Bonferroni correction. Statistical significance was set at £0.005.
Results Availability of the 3D printed model and the CBCT scan together resulted in statistically significant differences in the participants’ responses to their ability to clearly detect bone landmarks, accurately predict the location of osteotomy, and in determining the following: size of osteotomy, angle of instrumentation, involvement of critical structures in flap reflection and involvement of vital structures during curettage. In addition, the participants’ confidence in performing surgery was significantly higher versus having CBCT scans alone. There were no statistically significant changes with decisions on flap design and extent, visualizing critical structures, lesion size, injury to vital structures during osteotomy, the length of root that could be resected and the number of roots involved. Conclusions The availability of 3D printed models did not alter the participants’ surgical approach, but it significantly improved their confidence for endodontic microsurgery, which can be attributed to better visualization of anatomical structures.
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The effect of pre-operative therapeutic play on post-operative outcomes of Hong Kong Chinese children and their parents having surgery in a day surgery unit. / CUHK electronic theses & dissertations collectionJanuary 2005 (has links)
*This dissertation is a compound document (contains both a paper copy and a CD as part of the dissertation). The CD requires the following system requirements: Windows MediaPlayer or RealPlayer. / Aim. The aim of this study was to examine the effects of preoperative therapeutic play on the immediate preoperative and postoperative outcomes of Hong Kong Chinese children undergoing surgery, and their parents in a day surgery unit. / An intervention study was conducted in the second phase of the study. A randomized controlled trial, two-group pretest and repeated posttest, between subjects design was employed. Hong Kong Chinese children (7-12 years of age; N = 203) admitted for elective surgery in a day surgery unit during a 13-month period, were invited to participate in the study along with their parents. By using a simple complete randomisation method, 97 children with their parents were assigned to the experimental group receiving therapeutic play intervention, and 106 children with their parents were assigned to the control group receiving routine information preparation. / Background. Surgery causes considerable stress and anxiety that can have a profound effect on both children and their parents. Therefore, they need to be well prepared before surgery to minimize their anxiety, enhance their feeling of control, and promote positive post-operative outcomes. With the increasing number and complexity of paediatric surgery being performed in day surgery units, there is a compelling need for nurses to develop and evaluate appropriate interventions tailored to the needs of children and parents so as to enhance their ability to cope with surgery. / Conclusion. The first phase of this study confirmed the psychometric properties of the Chinese version of the State and Trait Anxiety Scales for Children, and the Children's Emotional Manifestation Scale. The results also support the appropriateness of these instruments as clinical research tools in evaluating the effectiveness of preoperative nursing interventions. / Methods. The study was conducted in two phases. The first phase consisted of developing and testing the psychometric properties of three instruments that were used in the second phase of the study. These instruments included the Chinese version of the State Anxiety Scale for Children, the Chinese version of the Trait Anxiety Scale for Children, and the Children's Emotional Manifestation Scale. / Results. The results showed that both children and parents in the experimental group reported statistically significant lower state anxiety scores than the control group in both pre- and post-operative periods. Children in the experimental group also exhibited statistically significant fewer instances of negative emotional behaviours, displayed lower heart rates and mean arterial blood pressures. Additionally, parents in the experimental group reported significantly higher level of satisfaction with the preoperative nursing preparation given. The results, however, did not find statistically significant differences in children's postoperative pain scores and post-hospital adjustment between the two groups. / Significance of the study. It is anticipated that this study could increase nurses' understanding of the emotional responses of children undergoing surgery and enrich their experience in using child-sensitive research tools in evaluating the effectiveness of preoperative nursing interventions. Most importantly, this research provides empirical evidence of the benefits of incorporating therapeutic play in the preoperative preparation of children and parents thus charting a path towards promoting holistic and quality care.* / The second phase of this study had addressed a gap in the literature by empirically testing the effectiveness of the therapeutic play intervention in preparing children for surgery, and their parents, which had been under-researched. It also provides empirical evidence that therapeutic play, using preoperative tour visit to the operating theatre, doll demonstration and return demonstration on the procedure of anaesthesia, is more effective in improving immediately pre- and post-operative outcomes of children and their parents than information-based preparation alone. / Therapeutic play has been used as a psychological preparation for helping children cope with the stress of hospitalisation. However, the majority of previous studies into the effect of therapeutic play were based only on theories and clinical observations. The lack of empirical evidence makes it difficult to determine precisely the effectiveness of therapeutic play. Therefore, there is vital need for more rigorous empirical scrutiny. / Li Ho Cheung William. / "July 2005." / Advisers: Violeta Lopez; Chung Kwong Yeung. / Includes supplementary digital materials. / Source: Dissertation Abstracts International, Volume: 67-11, Section: B, page: 6309. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (p. 335-354). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in English and Chinese. / School code: 1307.
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Estudo da variação das medidas ortodônticas e da função respiratória nasal por rinometria acústica e rinomanometria em pacientes submetidos à expansão palatina cirurgicamente assistida / Study of the orthodontic measures variation and the nasal respiratory function through acoustic rhinometry and rhinomanometry in patients who have undergone surgically assisted rapid maxillary expansionZambon, Camila Eduarda 27 April 2010 (has links)
Introdução: A atresia transversa da maxila é a discrepância volumétrica existente entre a maxila e a mandíbula no plano transversal que, além de alterações dento-esqueléticas, gera mudanças craniofaciais importantes, como o estreitamento das cavidades nasais, a diminuição da permeabilidade nasal e a respiração bucal. A expansão palatina cirurgicamente assistida (EPCA) é a técnica cirúrgica indicada para a correção da atresia maxilar em pacientes adultos, com o crescimento ósseo finalizado. A rinometria acústica é uma técnica objetiva de estudo da respiração nasal, com a qual se avalia a geometria e o volume nasal. Já a rinomanometria trata-se de um método aerodinâmico que quantifica a pressão transnasal e a resistência ao fluxo aéreo. Objetivos: O objetivo deste estudo foi avaliar subjetiva e objetivamente a função respiratória nasal, em pacientes com atresia maxilar, submetidos à EPCA e determinar o tipo de correlação existente entre as medidas ortodônticas e as alterações de área, volume, resistência, e fluxo aéreo nasal. Casuística e Métodos: Para a realização do estudo foram avaliados 27 pacientes adultos, por meio da rinometria acústica, rinomanometria, medidas ortodônticas (perímetro e comprimento do arco maxilar, distância transversa entre caninos, prés-molares e molares superiores) em modelos de estudos e escala visual analógica da função respiratória apenas nasal, no pré-operatório, após a ativação do expansor maxilar do tipo Hyrax, instalado previamente à cirurgia, e após quatro meses da EPCA, realizada sob anestesia geral. Os exames otorrinolaringológicos foram realizados em sala ambientalizada, com e sem o uso de vasoconstritor nasal, em ambas as cavidades nasais. Resultados: Os resultados demonstraram que 59,3% da casuística era do gênero feminino, com idade média de 25,33 anos. Todas as medidas ortodônticas obtiveram um aumento estatisticamente significante (p<0,001), que mantiveram-se ao longo da tempo (p<0,001). Todas as medidas avaliadas apresentaram melhores resultados com o uso de vasoconstritor nasal. A área da cavidade nasal como um todo aumentou após a cirurgia (p<0,036). O volume médio é 2,75 maior com o uso de vasoconstritor (p < 0,001), porém não houve alterações estatisticamente significantes entre os momentos avaliados. Os fluxos expiratórios e inspiratórios aumentaram ao longo do tempo (p<0,001, para ambos). A pressão expiratória diminui no decorrer dos momentos avaliados (p<0,004). A análise subjetiva da sensação respiratória apenas pelo nariz aumentou significantemente de um momento para o outro (p<0,05). Houve correlação estatística entre perímetro do arco aumentado e resistência aérea diminuída (p=0,004) e entre o aumento de uma medida transversa com o aumento do fluxo inspiratório e expiratório, sem o uso de vasoconstritor (p=0,023 e p=0,004 respectivamente). Apenas o fluxo respiratório apresentou comportamento diferente entre os lados. Conclusões: Assim, conclui-se que o procedimento cirúrgico de EPCA promove alterações importantes nas cavidades oral e nasais que, associadas, geram melhor qualidade respiratória ao paciente e demonstram a relevância clínica otorrinolaringológica de tal procedimento cirúrgico bucomaxilofacial / Introduction: Transverse atresia of maxilla is a volumetric discrepancy existing between the maxilla and the mandible on the transversal plan that, besides dentoskeletal alterations, generates important craniofacial changes, such as nasal cavities constriction, diminution of nasal permeability and buccal breathing. The surgically assisted rapid maxillary expansion (SARME) is the surgical technique indicated for correcting maxillary atresia in adult patients, whose bone development was concluded. Acoustic rhinometry is a technique of nasal breathing, with which the nasal geometry and volume are assessed. As for rhinomanometry, it is an aerodynamic method that quantifies the transnasal pressure and resistance to aerial flow. Objectives: The purpose of this paper was evaluating subjectively and objectively the nasal respiratory function in patients with maxillary atresia, who have undergone SARME and determining the type of correlation existing between the orthodontic measures and the alterations of area, volume, resistance, and nasal aerial flow. Casuistic and Methods: For the paper accomplishment were assessed 27 adult patients, through acoustic rhinometry, rhinomanometry, orthodontic measures (perimeter and length of maxillary arch, transverse distance among canines, premolars and superior molars) in models of studies and analogical visual scale of only nasal respiratory function, on pre-surgical, after the activation of Hyrax-type maxillary expander, installed previously to the surgery, and after four months of SARME, accomplished under general anesthesia. The otorhinolaryngological tests were accomplished in an environmentally adapted room, with and without the use of nasal vasoconstrictor, in both nasal cavities. Results: The results have demonstrated that 59.3% of the casuistic was of female gender, with an average age of 25.33 years. All the orthodontic measures have obtained a statistically significant growth (p<0.001), which have maintained along the time (p<0.001). All the assessed measures have presented better results with the use of nasal vasoconstrictor. The nasal cavity area as a whole augmented after the surgery (p<0.036). The average volume is 2.75 larger with the vasoconstrictor use (p < 0.001), however, there was any statistically significant alterations between the moments assessed. The expiratory and inspiratory flows have grown along the time (p<0.001, for both). The expiratory pressure is reduced in the course of the moments assessed (p<0.004). The subjective analysis of respiratory sensation only through nose has increased significantly from one moment to the other (p<0.05). There was a statistic correlation between perimeter of augmented arch and aerial resistance diminished (p=0.004) and between the increase of a transverse measure with the growth of inspiratory and expiratory flow, with and without the use of vasoconstrictor (p=0.023 and p=0.004 respectively). Only the respiratory flow presented a different behavior between the sides. Conclusions: Thus, it is concluded that the SARME promotes important alterations on oral and nasal cavities that, associated, generate a better respiratory quality to the patient and demonstrate a clinical otorhinolaryngological relevance of such bucomaxillofacial surgical procedure
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Micobactérias não tuberculosas em cirurgias: desafio passível de enfrentamento no Brasil? / Nontuberculous mycobacteria in surgeries: challenge liable to be faced in Brazil?Cabral, Danielle Bezerra 16 July 2010 (has links)
Micobactérias não tuberculosas (MNT) são microrganismos ubíquos e reconhecidos como contaminantes de sistemas de água em estabelecimentos de assistência à saúde, bem como, dispositivos cirúrgicos e medicamentos injetáveis. Sua ocorrência representa uma emergência epidemiológica e sanitária, especialmente em pacientes submetidos a procedimentos cirúrgicos. Frente ao exposto, objetivou-se avaliar a produção do conhecimento científico acerca da ocorrência de infecções por MNT em pacientes submetidos a procedimentos cirúrgicos. A prática baseada em evidências representou o referencial teórico-metodológico e, como recurso para obtenção destas evidências utilizou-se a revisão integrativa da literatura nas bases de dados Lilacs, Medline/Pubmed, ISI Web of Science e Biblioteca Cochrane. Totalizaram-se 24 publicações nos últimos trinta anos, com 15 (62,5%) no idioma inglês, os demais no português. No que se refere ao delineamento dos estudos, observou-se que os mais frequentes foram: 29,2% relatos de caso, 20,8% estudos transversais e 12,5% estudos metodológicos e quaseexperimentais. A análise dos estudos culminou em três categorias temáticas sendo 08 (33,3%) relacionadas aos tipos de cirurgias, 07 (29,2%) sobre identificação das espécies por métodos microbiológicos e/ou moleculares e 09 (37,5%) medidas de prevenção e controle. Ainda como subcategorias têm-se: a vigilância pós-alta, terapêutica com antibióticos e uso de glutaraldeído. Entre os microrganismos destacam-se com 37,5% Mycobacterium chelonae, 33,3%, M. abscessus e 25% M. fortuitum. Cirurgias oftalmológicas, estéticas, cardíacas e procedimentos laparoscópicos e artroscópicos foram as mais investigadas. Diante do contexto terapêutico, a indicação é realizada empiricamente ao longo prazo, podendo incluir desbridamento cirúrgico de tecidos infectados. Na panorâmica da identificação das espécies, a eletroforese em gel de campo pulsado (PFGE) é considerada padrão-ouro devido seu alto poder discriminatório de algumas cepas bacterianas, porém com limitações. Com base nas publicações analisadas, conclui-se que não se tem um panorama nacional talvez pela inoperância do sistema de vigilância pós-alta, inexistência de critérios clínicos e bacteriológicos uniformizados em todo o território e, também pela falta de integração entre a clínica e o laboratório. Adiciona-se que aplicação de metodologias moleculares possibilitaria definir a diversidade das espécies de micobactérias que não puderam ser identificadas pelos métodos clássicos. Uma publicação sobre a situação nacional das MNTs em cirurgias é fundamental para a uma conduta correta no diagnóstico e tratamento de micobacterioses. / Nontuberculous mycobacteria (NTM) are ubiquitous microorganisms recognized as contaminants of water systems in health care services, as well as surgical devices and injectable medications. Its occurrence represents an epidemiological and sanitary emergency, especially in patients subject to surgical procedures. This study aimed to evaluate the production of scientific knowledge on the occurrence of infections caused by NTM in patients subject to surgical procedures. Evidence-based practice was the theoreticalmethodological framework used, and integrative literature review was used to obtain evidences in the following databases: Lilacs, Medline/Pubmed, ISI Web of Science and Cochrane Library. In total, 24 publications were found in the last thirty years, being 15 (62.5%) in english and the others in portuguese. Regarding the design of the studies, most (29,2%) were case reports, (20,8%) cross-sectional studies and (12,5%) methodological and quasi-experimental studies. The analysis of the studies resulted in three thematic categories: 08 (33.3%) types of surgery, 07 (29.2%) identification of the species by microbiological and/or molecular methods and 09 (37.5%) prevention and control measures. The following subcategories were identified in prevention and control: vigilance after discharge, therapy with antibiotics and use of glutaral. The most researched surgeries were ophthalmologic, aesthetic, cardiac and laparoscopy and arthroscopy. The presence of the following microorganisms is highlighted: Mycobacterium chelonae (37.5%), M. abscessus (29.2%) and M. fortuitum (25%). Pulsed-field gel electrophoresis (PFGE) is considered gold-standard in the identification of certain bacterial strains. The use of molecular techniques permits to define the diversity of the species of mycobacteria that cannot be identified by the classical methods. Regarding the therapy, in general the indication is empirically determined in long-term, and can include surgical debridement of infected tissues. Based on the analyzed publications, it is concluded that there is not a national panorama, either due to the failure of the surveillance system after discharge, the lack of clinical and bacteriological criteria uniform for the entire country or the lack of integration between clinics and laboratories.
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Perfil da fala de pacientes submetidos à palatoplastia primária / Speech characteristics of patients submitted to primary palatoplastyMenegueti, Katia Ignacio 20 September 2016 (has links)
Diversas alterações anatômicas e funcionais são observadas como consequência da fissura labiopalatina, ocasionando alterações em relação ao crescimento do terço médio da face, à audição e a funcionalidade do esfíncter velofaríngeo. Esta última interfere diretamente nas funções de sucção, deglutição e fala. O objetivo deste estudo é caracterizar o perfil da fala de pacientes submetidos à palatoplastia primária em um hospital escola de referência da cidade de São Paulo, levando-se em consideração a idade do paciente no momento da cirurgia. Os objetivos específicos são a análise da eficácia da cirurgia; a resposta muscular em relação ao procedimento cirúrgico; e o momento mais adequado para a intervenção cirúrgica. Participaram do estudo 97 indivíduos com diagnóstico de fissura palatina não sindômica associada ou não à fissura de lábio, encaminhados para avaliação fonoaudiológica, conforme demanda do serviço. Estes foram divididos em dois grupos: o grupo precoce (GP) e grupo tardio (GT). O GP foi composto por indivíduos que realizaram a palatoplastia primária até o segundo ano de vida (43 participantes) e o GT por indivíduos que realizaram a palatoplastia primária tardiamente, após os dois anos de idade (54 participantes). Os participantes foram submetidos à rotina de avaliação fonoaudiológica na Unidade de Fonoaudiologia do ICHC-FMUSP, realizada por um fonoaudiólogo treinado e com experiência na área. Dentre os parâmetros avaliados encontram-se a presença de alterações de ressonância, o grau de alteração da ressonância, a presença de distúrbios articulatórios compensatórios, a presença de ronco nasal, a presença de fraca pressão intraoral, a presença de emissão de ar e o grau de inteligibilidade da fala, variáveis consideradas para este estudo. Essas características foram classificadas inicialmente como \"presente\" ou \"ausente\" nas diferentes amostras de fala de cada participante, e posteriormente, quando aplicável, determinado seu grau de comprometimento. Após a realização do estudo verificou-se que: 1) Em relação à caracterização geral dos participantes: 1.1) Idade média da palatoplastia: GP = 1,4 anos; GT = 11,5 anos; 1.2) Idade média da primeira avaliação fonoaudiológica no serviço: GP = 12,3 anos; GT = 19,8 anos; 1.3) Gênero: predomínio do gênero masculino para GP (55,8%) e feminino para GT (53,7%); 2) Quanto à caracterização da fala (análise geral): 2.1) Ressonância: alterada em 69,8% dos participantes do GP e em 85,2% do GT, sem diferença estatisticamente significante; 2.2) Hipernasalidade: 1) presente em 72,1% dos participantes do GP, em grau leve em 48,4%, moderado em 41,9% e grave em 9,7%; 2) presente em 85,2% do GT, em grau leve em 32,6%, moderado em 43,5% e grave em 23,9%. Não foi observada diferença estatisticamente significante entre os grupos; 2.3) Hiponasalidade: presente em 7,4% do GT, todos em grau leve; 2.4) Ronco nasal: presente em 14% dos participantes do GP e em 5,6% do GT, sem diferença estatisticamente significante; 2.5) Fraca pressão intra oral: presente em 30,2% dos participantes do GP e em 44,4% do GT, sem diferença estatisticamente significante; 2.6) Emissão de ar nasal audível: presente em 23,3% dos participantes do GP e em 31,5 do GT, sem diferença estatisticamente significante; 2.7) Inteligibilidade de fala: 1) prejudicada em 69,8% dos participantes do GP, em grau leve em 56,7%, moderado em 30% e grave em 13,3%; 2) prejudicada em em 83,3% do GT, em grau leve em 24,4%, moderado em 46,7% e grave em 28,9%. Não foi observada diferença estatisticamente significante entre os grupos; 2.8) DACs: presente em 55,8% dos participantes de GP e em 75,9% de GT, com diferença significante entre os grupos (número de fonemas alterados - p=0,020); 3) Em relação à caracterização da fala (considerando tipo de fissura): ausência de resultados estatisticamente significativos entre os grupos estudados quando se levou em consideração as variáveis citadas e os tipos de fissuras; 4) Quanto à conduta fonoaudiológica após a avaliação: a conduta mais indicada foi a fonoterapia, seguida pelo acompanhamento longitudinal (alta assistida), indicação de novo procedimento cirúrgico, e alta (propriamente dita). Diante do apresentado, foi possível caracterizar o perfil geral e de fala dos pacientes submetidos à palatoplastia primária do referido hospital escola, referência de atendimento à pacientes fissurados na cidade de São Paulo. Observa-se, de forma geral, prejuízo significativo na fala dos participantes do estudo, sendo evidenciado diferença estatisticamente significante entre os resultados do procedimento precoce e tardio somente para a presença de DACs. A variável ressonância apresentou resultados estatísticos marginais, indicando tendência à diferenciação dos grupos também em relação à essa alteração. Conclui-se que a realização da cirurgia foi benéfica para os participantes, independentemente do momento da intervenção, com melhores resultados em idade anterior aos 2 anos de vida. No entanto, a resposta muscular em relação ao procedimento pode variar, chegando a não ser satisfatória em alguns casos / Several anatomic and functional alterations are observed as consequences of cleft lip and palate, causing alterations related to the growth of the medium third of the face, hearing, and the Velopharyngeal Sphincter function. This last one interferes directly with the functions of suction, deglutition, and speech. The objective of this study is to determine the speech profile of patients submitted to primary palatoplasty, in a benchmark school-hospital in Sao Paulo city, taking into consideration the patient\'s age at the moment of surgery. The specific objectives are: the analysis of the effectiveness of surgery; the muscular response related to the surgical procedure; and the most suitable moment for surgical intervention. 97 subjects with nonsyndromic cleft palate diagnosis associated or not with cleft lip participated in this study and they were referred to a speech language evaluation on demand. They were divided into two groups: the early group (EG) and the late group (LG). The EG was composed by subjects who have undergone primary palatoplasty until the second year of life (43 subjects) and the LG was made by those who had the surgery lately, after two years old (54 subjects). The participants were submitted to a speech language routine in the Speech Language service at ICHC-FMUSP with an experienced and well-trained speech language pathologist. Among the evaluated parameters, there were: existence of abnormal nasal resonance, degrees of abnormal nasal resonance, existence of articulatory compensatory disturbs (ACD), existence of nasal snoring, existence of weak intra-oral air pressure, existence of air emission, and degrees of speech intelligibility. These parameters were initially classified as \"present\" or \"absent\" in the different speech samples of each subject, and subsequently, when applicable, her/his degree of impairment was determined. After carrying through this study, it showed that: 1) according to the subjects\' general characterization: 1.1) average palatoplasty age: EG = 1.4 years old; LG = 11.5 years old; 1.2) Average age on first speech language evaluation in the service: EG = 12.3 years old; LG = 19.8 years old; 1.3) Gender: predominance of male subjects in PG (55.8%) and female subjects in LG (53.7%); 2) concerning the characterization of speech (general analysis): 2.1) abnormal nasal resonance in 69.8% of EG subjects and 85.2% of LG subjects, without any statistical significant difference; 2.2) hypernasality: 1) present in 72.1% of PG subjects, 48.4% in mild, 41.9% in moderate and 9.7% in severe levels; 2) present in 85.2% of LG subjects, 35.6% in mild, 43.5% in moderate and 23.9% in severe levels. It was not showed any statistical significant difference between the groups; 2.3) hyponasality: present in 7.4% of EG, all mild level; 2.4) Nasal snoring: present in 14% of EG and in 5.6% of LG, without any statistical significant difference; 2.5) weak intra-oral air pressure: present in 30.2% of EG and in 44.4% of LG without any statistical significant difference; 2.6) audible air emission: present in 23.3% of EG and in 31.5% of LG, without any statistical significant difference; 2.7) speech intelligibility: 1) affected in 69.8% of EG, 56.7% in mild, 30% moderate and 13.3% severe levels; 2) affected in 83.3% of LG, 24.4% in mild, 46.7% in moderate and 28.9% in severe levels. There was not showed any statistical significant difference between groups; 2.8) ACDs: present in 55.8% of EG and in 75.9% of LG with a statistical significant difference between groups (number of phonemes errors - p=0.020); 3) concerning the speech characterization (considering cleft type): absence of statistical significant results between the studied groups when taking into consideration the cited varies and cleft types; 4) About the speech language approach after the evaluation: the most indicated one was the speech therapy followed by long-term monitoring (assisted discharge), indication of new surgical procedure, and actual discharge. It was possible to characterize the general and speech characteristics of the patients submitted to primary palatoplasty in the cited school-hospital, benchmark in cleft patients in Sao Paulo city. It was observed, all in all, significant impairment in the speech of these subjects, being evident the statistical significant difference between the results of the precocious and late groups only for the existence of ACDs. The variable nasal resonance presented minimal statistical significant results which indicated a tendency to differentiate the groups also regarding this alteration. In conclusion, the surgery was beneficial to the subjects independently of the moment of intervention, with better results in ages younger than two years old. Although, the muscular response regarding this procedure might vary, not being satisfactory in a few cases
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Caracterização do perfil epidemiológico do paciente com câncer de reto no Instituto do Câncer do Estado de São Paulo: determinação dos fatores associados ao tempo de internação hospitalar do paciente cirúrgico / Epidemiological characterization of the Rectal Cancer Patient at the \"Instituto do Câncer do Estado de São Paulo\": Determination in Surgical Patient of the Factors Associated with Length of StayOliveira, Daiane da Silva 15 May 2017 (has links)
INTRODUÇÃO: A despeito de todos os avanços no tratamento cirúrgico do câncer, ainda existem fatores complicadores para a adequada evolução no pós-operatório. Realizou-se estudo retrospectivo em uma população de pacientes submetidos a tratamento cirúrgico oncológico eletivo para o câncer retal, a fim de caracterizá-los epidemiologicamente e determinar quais variáveis estão associadas a maior morbimortalidade tais como aumento de permanência hospitalar, utilização de unidade de terapia intensiva, reoperações, óbito em 30 dias e custos hospitalares totais. MÉTODO: Foram selecionados todos os pacientes submetidos a cirurgias retais eletivas para o tratamento oncológico no período de 01 de outubro de 2008 a 31 de dezembro de 2012, resultando numa amostra de 405 pacientes de idade adulta e ambos os sexos. Realizou-se análise univariada para cada desfecho e análise multivariada através de regressão logística com ajustamento para as seguintes variáveis: sexo, idade, índice massa corpórea, estadiamento TNM, procedimento realizado, escore ASA, via de acesso, realização de QRT neoadjuvante, intervalo entre a neoadjuvância e a cirurgia e tempo cirúrgico, com validação interna através da técnica de bootstrap. RESULTADOS: Foram identificados como fatores de risco para aumento de permanência hospitalar a obesidade classe II e III (OR 15,44; IC95% 1,05 - 227,52; p = 0,05) e anestesia combinada - regional associada à geral (OR 5,38; IC95% 1,08 - 29,95; p = 0,04); amputação abdominoperineal foi fator de risco para reoperação em 30 dias (OR 4,54; IC95% 1,15 - 17,90; p = 0,03); amputação abdominoperineal (OR 5,38; IC95% 1,21 - 23,73; p = 0,03) e exenteração pélvica (OR 19,98; IC95% 0,99 - 401,32; p = 0,05) foram fatores de risco para utilização de UTI; idade acima de 79 anos (OR 13,99; IC95% 1,51 - 128,95; p = 0,02) foi fator de risco para complicação pós-operatória; idade acima de 79 anos (OR 0,07; IC95% 0,01 - 0,39; p = 0,01) foi fator de proteção para tempo cirúrgico elevado, obesidade classe II e III (OR 12,87; IC95% 1,54 - 107,67; p = 0,02) e via de acesso laparoscópica com transição para aberta (OR 8,7; IC95% 2,67 - 28,36; p < 0,001) foram fatores de risco para tempo cirúrgico elevado. CONCLUSÕES: Obesidade classe II e III e anestesia combinada são fatores de risco para tempo de permanência hospitalar prolongado para pacientes submetidos a cirurgia para tratamento de câncer retal. Outros estudos se fazem necessários para entender quais são os mecanismos que levam a anestesia combinada, eventualmente, a este aumento de permanência hospitalar / INTRODUCTION: Despite all the developments in the surgical treatment of cancer, there are still complicating factors for a correct postoperative evolution. There were conducted a retrospective study in a population of patients submitted to surgical rectal cancer treatment to characterize them epidemiologically and determine which variables are associated with increased morbimortality such as increased hospital length of stay, use of intensive care unit, reoperations, 30-day mortality and total hospital costs. METHOD: All patients submitted to colorectal surgery treatment for cancer during the period October 1st, 2008 to December 31th, 2012, resulting in a sample of 405 patients of both genders. Univariate analysis was conducted for each outcome and multivariate analysis through logistic regression with adjustment for the following variables: sex, age, body mass index, TNM stage, procedure performed, ASA score, laparoscopic or open surgery, neoadjuvant treatment, interval between the neoadjuvant therapy and the surgery, and operative time, with internal validation by the bootstrap technique. RESULTS: there were identified as risk factors for increased hospital stay, the obesity class II and III (OR 15.44; 95% CI 1.05-227.52; p = 0.05) and combined anesthesia - regional and general (OR 5.38; 95% CI 1.08-29.95; p = 0.04); abdominoperineal amputation was a risk factor for 30-day reoperation (OR 4.54; 1.15 95% CI-17.90; p = 0.03); abdominoperineal amputation (OR 5.38; 95% CI 1.21-23.73; p = 0.03) and pelvic exenteration (OR 19.98; 95% CI 0.99-401.32; p = 0.05) were risk factors for ICU use; age over 79 years (OR 13.99; CI 1.51-128.95; p = 0.02) was a risk factor for postoperative complication; age over 79 years (OR 0.07; CI 0.01-0.39; p = 0.01) was protective factor to prolonged operative time , obesity class II and III (OR 12.87; CI 1.54-107.67; p = 0.02) and laparoscopic approach with transition to open (OR 8.7; CI 2.67-28.36; p 0.001) were risk factors to prolonged operative time. CONCLUSIONS: Obese class II and III and combined anesthesia are risk factors for prolonged hospital stay for patients undergoing surgery for rectal cancer treatment. Further studies are needed to understand the mechanisms that lead combined anesthesia to increase hospital stay
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A simulation system of vascular interventional radiology procedures for training endovascular skills. / 一套训练用的血管介入式手术模拟系统 / CUHK electronic theses & dissertations collection / Yi tao xun lian yong de xue guan jie ru shi shou shu mo ni xi tongJanuary 2012 (has links)
近年来,血管类疾病已经成为人类健康的第一杀手。每年有成百上千万人死于血管疾病。血管介入术是一种非常有前景的血管类疾病的治疗手段。血管介入术是一种微创手术,它已经被广泛的用于治疗中风,血管狭窄,血管瘤等疾病。相对于传统的开放式手术,它具有风险低,恢复快,住院时间短等优点。该疗法通常在透视影像的引导下由导管和导线在血管内协同完成手术过程。因为介入术的复杂性和特殊性,作为介入手术医生的必要技能,掌握手术中手眼协同,各种手术器具的使用和复杂细致的手术流程无疑是一个巨大的挑战。因此,迫切地需要一种高效、安全的训练系统。相对于传统的训练方法,基于虚拟现实技术的训练系统是一种非常好的训练手段。 / 为了建立一套高仿真的介入手术训练模拟器,首先,我们要为病人的血管网重建三维模型。我们提出了一种自动的提取中心线的方法,用来从分割好的CTA/MRA体数据中获取病人血管网的中心线。基于改进的平行传递算法,沿着这些中心线,生成了一系列连续的标架。根据这些标架,我们构造了血管的横截面,并在此基础上生成了光滑连续的三维血管模型。 / 其次,作为血管介入术中最基础和最重要的手术器械,我们为导管和导线建立了物理模型。我们提出了一种基于最小势能原理的可变形的模型用于模拟导管和导线对于受力的反应。我们还提出了一个快速并且稳定的多网格算法来保证模拟的真实性和严格的实时交互要求。另外,我们做了几组实验。通过这些实验,验证了多网格算法在稳定性、实时性、模拟的真实性等方面满足了我们对于训练用模拟系统的要求。 / 再次,为了模拟血管栓塞术的手术过程,我们提出了一种模拟线圈填充血管瘤的过程的新方法。通过加总线圈弯曲变形的弹性势能、血管瘤变形的弹性势能以及外力做的功,我们建立了在血管栓塞术的环境下的总势能模型。为了求解这个模型,我们提出了一个基于有限元方法的求解器。从而模拟了线圈在介入医生的操作下慢慢的进入血管瘤,并缠绕起来的过程。 / 另外,我们提出了一个分层圆柱网格模型(LCGM)用于模拟在血管网中血流的运动。这一模型在几何上和拓扑结构上都非常适合我们的应用。我们将血液在血管中的流动近似为一维的层流,并用一组线性等式描述了血管网中流速与血压的关系。通过求解这一线性系统,得到了在分层圆柱网格模型下血流的速度场。依据这个血流的速度场,我们采用平流-扩散模型来模拟造影剂在血管中的传播的过程。 / Vascular diseases have been becoming the number one cause of death worldwide in recent years. Millions of people were killed by vascular diseases each year. An increasingly promising therapy for treating vascular diseases is Vascular Interventional Radiology (VIR). VIR is a minimally invasive surgery (MIS) procedure, which has been widely used to cure stroke, angiostenosis, aneurysm and etc. A low risk, an accelerated recovery and a shorter stay in hospital are important advantages over the traditional vascular surgery. This therapy is performed by a guidewire-catheter combination inside the blood vessels under the guidance of the fluoroscopic imaging. Because of the complexity and particularity of these procedures, it is a great challenge to master hand-eye coordination, instrument manipulation and procedure protocols for each radiologist mandatory. An efficient and safe training system is needed urgently. In contrast to these traditional training methods, virtual reality (VR) based simulation systems is a pretty good surrogate. / In order to build a high fidelity interventional simulator for physician training, firstly, we reconstructed the three dimensional (3D) model for the vascular network of the patients. An method of automatic skeleton extraction was proposed to acquire the centerline of the vascular network from the segmented volume data from CTA/MRA. A series of continuing frames were generated along with the centerline based on improved parallel transporting method. According to these frames we built the crossections of the vessels and further the 3D vascular model with the smooth meshes. / Secondly, as the most basic and important instruments in the VIR procedure, the catheter and guidewire were modeled and simulated physically. We developed a deformable model to simulate complicated behaviors of guidewires and catheters based on the principle of minimum total potential energy. A fast and stable multigrid solver was proposed to ensure both realistic simulation and real time interaction. A series of experiments were conducted to evaluate our multigrid solver in terms of stability, time performance, the capability of simulating catheter behaviors and the realism of catheter deformation. / Thirdly, to simulate the procedure of embolization, we proposed a novel method to simulate the motion of coil and their interactions with the aneurysm. We formulated the total potential energy in the embolization circumstance by summing up the elastic energy deriving from the bending of coils, the potential energy due to the deformation of the aneurysm and the work by the external forces. A novel FEM-based approach was proposed to simulate the deformation of coils. And the motion of coils and their responses to every input from the interventional radiologist can be calculated globally. / Fourthly, we proposed our Layered Cylindrical Gird Model (LCGM) for simulating blood flow in vascular network, which is pretty suitable for sampling the vascular network geometrically and topologically. The blood flow in vessels was regarded as 1D laminar flow and formulated into a set of linear equations based on the Poiseuille law to describe the relationship between the speed of flow and the pressure. Solving those equations, we got the velocity fields in the blood flow. In terms of the velocity fields, an advection-diffusion model was adopted to simulate the propagation of contrast agent with the blood flow. / Finally, all above techniques and procedures were implemented and integrated into a simulation system for training the medical students to acquire the endovascular skill, and an empirical study was also designed based on a typical selective catheteriza- tion procedure to assess the feasibility and effectiveness of the proposed system. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / 最后,我们将所有以上提到的技术和方法集成到模拟系统中用于训练医学院的学生,并使他们获得血管介入术的技能。并且,我们基于一个典型的导管插入术过程,使用经验分析的方法对模拟系统的可用性和效率进行了评估。 / Li, Shun. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2012. / Includes bibliographical references (leaves 105-116). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in also Chinese. / Abstract --- p.i / Acknowledgement --- p.vi / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Vascular Modeling --- p.14 / Chapter 2.1 --- Introduction and Related Work --- p.14 / Chapter 2.2 --- Vascular Skeleton Graph Construction --- p.15 / Chapter 2.2.1 --- Chamfer distance transform and Dijkstra's shortest-path algorithm --- p.17 / Chapter 2.2.2 --- End vertices retrieval --- p.19 / Chapter 2.2.3 --- The algorithm of vascular skeleton extraction --- p.21 / Chapter 2.3 --- Vascular Modeling --- p.21 / Chapter 2.3.1 --- Tubular Model --- p.21 / Chapter 2.3.2 --- Bifurcation Model --- p.23 / Chapter 3 --- Catheter Simulation --- p.28 / Chapter 3.1 --- Introduction and Related Works --- p.28 / Chapter 3.2 --- Catheter Simulation --- p.31 / Chapter 3.2.1 --- Kirchhoff Theory of Elastic Rod --- p.32 / Chapter 3.2.2 --- Problem Formulation --- p.34 / Chapter 3.2.3 --- The Multigrid Iterative Solver --- p.38 / Chapter 3.3 --- Collision detection --- p.45 / Chapter 3.4 --- Validation of the Catheter Simulation Method --- p.47 / Chapter 3.4.1 --- Stability --- p.49 / Chapter 3.4.2 --- Time Performance --- p.50 / Chapter 3.4.3 --- Preservation of Curved Tip --- p.51 / Chapter 3.4.4 --- The realism of catheter deformation --- p.53 / Chapter 4 --- Coil Embolization Simulation --- p.59 / Chapter 4.1 --- Introduction and Related Work --- p.59 / Chapter 4.2 --- Methodology --- p.61 / Chapter 4.2.1 --- Total potential energy of a coil --- p.61 / Chapter 4.2.2 --- The FEM-based numeric solver for interactive coil simulation --- p.61 / Chapter 5 --- Angiography Simulation --- p.70 / Chapter 5.1 --- Introduction and related works --- p.70 / Chapter 5.2 --- The Equations of Fluid --- p.72 / Chapter 5.3 --- Layered Cylindrical Gird Model --- p.73 / Chapter 5.4 --- Numerical Method --- p.76 / Chapter 5.4.1 --- Evaluation of the velocity field of blood flow --- p.76 / Chapter 5.4.2 --- Evaluation of the density field --- p.78 / Chapter 5.5 --- Results --- p.81 / Chapter 6 --- System Implementation and Evaluation --- p.84 / Chapter 6.1 --- Introduction and Related Work --- p.84 / Chapter 6.2 --- System Construction --- p.85 / Chapter 6.3 --- Empirical Study of the Training System --- p.89 / Chapter 7 --- Conclusion and Discussion --- p.98 / Chapter 7.1 --- Geometric Modeling of Vasculature --- p.99 / Chapter 7.2 --- Catheterization Simulation --- p.99 / Chapter 7.3 --- Embolization Simulation --- p.100 / Chapter 7.4 --- Angiography Simulation --- p.101 / Chapter 7.5 --- System and Evaluation --- p.102 / Publication List --- p.103 / Bibliography --- p.105
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Uso dos modelos SurgeMan®, TraumaMan® e Porcino na prática cirúrgica do curso Suporte Avançado de Vida no Trauma (SAVT) / SurgeMan, TraumaMan and porcine model for the surgical skills station of the advanced trauma life support - ATLS CourseGarcia, Diogo de Freitas Valeiro 01 December 2016 (has links)
Introdução: Universidades e hospitais solicitam alternativas para o uso de animais no treinamento médico sempre que possível. O custo dos manequins artificiais atualmente aprovados pelo Colégio Americano de Cirurgiões muitas vezes torna o seu uso proibitivo em países em desenvolvimento e subdesenvolvidos. Um manequim artificial de baixo custo (SurgeMan®) foi desenvolvido no Brasil. Nosso objetivo primário foi determinar se o SurgeMan® é adequado de acordo com o grau de satisfação dos alunos e instrutores do programa ATLS® quando comparado com o modelo TraumaMan® e o modelo animal, que são os atualmente aprovados para os procedimentos cirúrgicos do curso. Nosso objetivo secundário foi determinar se os índices de satisfação do usuário para SurgeMan® são superiores a 80%. Métodos: Foi realizado um estudo cruzado prospectivo com três modelos. Foram utilizados os modelos: SurgeMan® (SMan), TraumaMan® (TMan) e um modelo animal (suínos da raça Landrace). Uma amostra de conveniência de 36 estudantes candidatos a alunos do curso ATLS® foi alocada em nove grupos de quatro alunos e monitorados por um instrutor durante toda a estação de atividades cirúrgicas. Cada grupo participou de todas as atividades cirúrgicas em cada um dos três modelos. Os procedimentos realizados foram: drenagem pleural, cricotireoidostomia, pericardiocentese e lavagem peritoneal diagnóstica (DPL). Os testes psicométricos foram concluídos com os alunos e instrutores preenchendo um questionário com escala de Likert na conclusão de cada atividade. Os estudantes e instrutores também foram questionados sobre a adequação dos modelos para a realização da prática de atividades cirúrgicas do curso ATLS®, se eles substituiriam ou não o modelo animal pelo SurgeMan® ou pelo TraumaMan® e sobre suas preferencias de modelo considerando aspectos éticos e financeiros e sem levar estes em consideração. Resultados: O modelo animal e TraumaMan® tiveram desempenho melhor do que SurgeMan® para todas as habilidades, exceto pericardiocentese, onde não houve diferença estatística entre os modelos (Anova para medidas repetidas). Quando fatores éticos e financeiros não foram levados em consideração: 58% dos alunos e 66% dos instrutores escolheram o modelo animal. Quando os fatores éticos e financeiros foram considerados os modelos foram igualmente recomendados pelos alunos (SMan.33%, TMan 30%, Suínos 33%) e os instrutores escolheram o SurgeMan® como primeira opção (SMan 66%, TMan 22%, Suínos 11%). Para a adequação de cada modelo para o aprendizado de habilidades no ATLS®, os alunos consideraram todos adequados (81% S.Man; 94% T.Man; 86% suínos; p = 0,184) e os instrutores consideraram apenas o modelo animal abaixo de 80% (SMan 88%, TMan 100%, Suínos 77%). Conclusão: TraumaMan® teve desempenho melhor do que SurgeMan® na maioria dos procedimentos. Os alunos consideram que tanto TraumaMan® quanto SurgeMan® são aceitáveis para a aprendizagem das habilidades cirúrgicas do ATLS® / Introduction: Universities and hospitals require the use of suitable alternatives to animals for training wherever possible. The cost of the currently approved artificial mannequins often makes their use prohibitive in low-income countries. A low cost Brazilian artificial mannequin (SurgeMan®) has been developed. Our primary objective was to determine whether SurgeMan® would have equivalent learner and instructor satisfaction scores compared with the currently approved TraumaMan® and an animal model for the surgical procedures of Advanced Trauma Life Support ATLS®. Our secondary objective was to determine if user satisfaction scores for the SurgeMan® exceeded 80%. Methods: This was a prospective crossover cohort study with 3 models, SurgeMan® (SMan), TraumaMan® (TMan), and an animal model (Landrace pigs). A convenience sample of 36 students enrolled in ATLS® courses was divided into 9 groups, which were monitored by 1 instructor per group throughout the skills station rotations. Each group participated in all skills in each of the 3 models. The procedures performed were tube thoracostomy, cricothyroidotomy, pericardiocentesis, and diagnostic peritoneal lavage (DPL). Psychometric testing was completed by having students and instructors fill out a Likert Scale at the completion of each activity. Students and instructors were also asked about the adequacy of the models for performing the surgical skills, if they would or would not substitute the animal model for the SurgeMan® or the TraumaMan®, and about their preferred model, with and without ethical and financial issues. Results: The animal model and the TraumaMan® performed better than the SurgeMan® for all skills except pericardiocentesis, where there was no difference in the models. When no ethical or financial factors were taken in consideration, 58% of the students and 66% of the instructors chose pigs as their preferred model. When all ethical factors were considered, all students equally recommended the models (SMan 33%, TMan 30%, pigs 33%) and the SurgeMan® was the first choice for the instructors (SMan 66%, TMan 22%, pigs 11%). The students thought all models were adequate for learning ATLS® skills (SMan 81%, TMan 94%, pigs 86%). The Instructors scored only the animal model under 80% (SMan 88%, TMan 100%, pigs 77%) for learning those skills. Conclusion: The TraumaMan® performed better than the SurgeMan® in most procedures. Students and instructors found that both the TraumaMan® and the SurgeMan® are acceptable for learning and teaching ATLS® surgical skills
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