padrão utilizado para algumas doenças hematológicas e também na consolidação do tratamento de outras doenças. O aumento da demanda de pacientes que necessitam deste tratamento fez com que fossem criados alguns modelos de transplante ambulatorial. A alta precoce é uma modalidade de transplante em que o paciente recebe alta hospitalar após o regime de condicionamento e infusão das células-tronco hematopoiéticas (CTH) e a continuidade do seu tratamento ocorre em regime ambulatorial. Na área da Enfermagem, o número limitado de estudos científicos relacionados à Assistência de Enfermagem nos pacientes submetidos ao TCTH com alta hospitalar precoce são ainda deficientes. Diante disso, o objetivo deste estudo foi analisar os resultados da alta hospitalar precoce como alternativa viável ao tratamento dos pacientes submetidos ao TCTHa e sua relação com a assistência de enfermagem. MÉTODO: Estudo retrospectivo, quantitativo, descritivo e transversal. Foram analisados prontuários de 112 pacientes consecutivos submetidos ao TCTHa, no período de janeiro a dezembro de 2009. Destes 12 pacientes não receberam alta hospitalar da unidade de internação até o décimo dia após o TCTH (D+10) e, por isso, foram excluídos, restando 100 pacientes. RESULTADOS: A mediana de idade foi de 48,5 anos (19-69 anos). Houve um pareamento não intencional do sexo. Todos os pacientes mobilizaram e coletaram CTH por fonte periférica. Os regimes de condicionamento mais utilizados foram BU12+Mel100 e BEAM 400. As toxicidades atribuídas ao regime de condicionamento foram bem conduzidas no ambulatório, expressa por 10 pacientes que necessitaram de internação, embora um grande número de pacientes da casuística apresentou algum grau de toxicidade. A neutropenia febril esteve presente em 58% dos pacientes até a enxertia medular. Não houve aumento na mortalidade na fase de aplasia medular; dois pacientes foram a óbito por causas infecciosas durante os 60 primeiros dias após o TCTH, sendo que apenas um não apresentava enxertia medular. A mediana de enxertia de granulócitos após o TCTHa com alta hospitalar precoce foi de 12 dias e de plaquetas 15 dias, com mediana de transfusões até a alta do serviço de três concentrados de hemácias e quatro concentrados de plaquetas. Vinte e três pacientes necessitaram de internação hospitalar em algum momento desde a alta hospitalar após o transplante até o momento de sua alta. CONCLUSÃO: A equipe de enfermagem apresenta papel fundamental no contexto da alta hospitalar precoce na conduta e manejo dos pacientes. O Enfermeiro participou na orientação e condutas durante a fase de mobilização, transplante e acompanhamento ambulatorial. A mediana de tempo para enxertia medular foi de 12 dias e durante a fase de aplasia os pacientes evoluíram com baixa internação e infecção. Houve baixa incidência de complicações e internações, sendo a toxicidade ao regime de condicionamento a maior causa de internação. As toxicidades ao regime de condicionamento apresentadas foram bem manejadas em regime ambulatorial também pela Equipe de Enfermagem / The autologous hematopoietic stem cell transplantation (HSCTa) is a standard treatment used for some hematological malignancies and also in consolidating the treatment of other diseases. The increased number of patients who need this treatment leads to new models of outpatient transplant. The early discharge is a type of transplant in which the patient is discharged after the conditioning regimen and infusion of hematopoietic stem cells (HSC) and the continuity of your treatment will occur in outpatient settings. Although the models of outpatient HSCT are well defined, there is few studies and publications that demonstrate the actual results of this modality. In the field of nursing, the limited number of scientific studies related to nursing care in HSCT patients with early hospital discharge are even more deficient. Thus, the aim of this study was to analyze the results of early discharge as a viable alternative to the treatment of patients undergoing HSCTa and its relationship to nursing care. Methods: A retrospective, quantitative, descriptive and cross study was performed. A total of 112 patients initially enrolled, 12 were excluded due to the discharged occurred after than tenth day after HSCTa (D +10) and, therefore, 100 patients were enrolled in the study. Results: The median age was 48.5 years (range: 19-69 years). There was an unintentional pairing of sex. All patients were mobilized and collected by HSC peripheral source. The conditioning regimens were used more BU12 + Mel100 and BEAM 400. The conditioning regimen-related toxicities was well at the clinic, expressed by 10 patients who required hospitalization, although a large number of patients in the sample had some degree of toxicity. Febrile neutropenia was observed in 58% of patients until the marrow engraftment. There was no increase in mortality in bone marrow aplasia phase, two patients (2%) died of infectious causes during the first 60 days after HSCTa, and only one patient showed no engraftment. The median granulocyte engraftment after HSCTa with early hospital discharge was 12 days and platelets 15 days, with a median transfusion until discharge from the service three and four units of blood transfused platelet concentrates. Twenty-three patients required hospitalization at some time from hospital discharge after transplantation until the time of his discharge. Conclusion: The nursing team has key role in the context of early hospital discharge in the conduct and management of patients. The nurse participated in the orientation and conduct during the mobilization phase, and outpatient transplant. The median time to engraftment was 12 days and during the aplasia phase of the patients improved, with low infection and hospitalization. There was a low incidence of complications and hospitalizations, and the toxicity conditioning regimen the leading cause of hospitalization. The toxicities presented to the conditioning regimen were well managed on an outpatient basis also for the Nursing Team

padrão utilizado para algumas doenças hematológicas e também na consolidação do tratamento de outras doenças. O aumento da demanda de pacientes que necessitam deste tratamento fez com que fossem criados alguns modelos de transplante ambulatorial. A alta precoce é uma modalidade de transplante em que o paciente recebe alta hospitalar após o regime de condicionamento e infusão das células-tronco hematopoiéticas (CTH) e a continuidade do seu tratamento ocorre em regime ambulatorial. Na área da Enfermagem, o número limitado de estudos científicos relacionados à Assistência de Enfermagem nos pacientes submetidos ao TCTH com alta hospitalar precoce são ainda deficientes. Diante disso, o objetivo deste estudo foi analisar os resultados da alta hospitalar precoce como alternativa viável ao tratamento dos pacientes submetidos ao TCTHa e sua relação com a assistência de enfermagem. MÉTODO: Estudo retrospectivo, quantitativo, descritivo e transversal. Foram analisados prontuários de 112 pacientes consecutivos submetidos ao TCTHa, no período de janeiro a dezembro de 2009. Destes 12 pacientes não receberam alta hospitalar da unidade de internação até o décimo dia após o TCTH (D+10) e, por isso, foram excluídos, restando 100 pacientes. RESULTADOS: A mediana de idade foi de 48,5 anos (19-69 anos). Houve um pareamento não intencional do sexo. Todos os pacientes mobilizaram e coletaram CTH por fonte periférica. Os regimes de condicionamento mais utilizados foram BU12+Mel100 e BEAM 400. As toxicidades atribuídas ao regime de condicionamento foram bem conduzidas no ambulatório, expressa por 10 pacientes que necessitaram de internação, embora um grande número de pacientes da casuística apresentou algum grau de toxicidade. A neutropenia febril esteve presente em 58% dos pacientes até a enxertia medular. Não houve aumento na mortalidade na fase de aplasia medular; dois pacientes foram a óbito por causas infecciosas durante os 60 primeiros dias após o TCTH, sendo que apenas um não apresentava enxertia medular. A mediana de enxertia de granulócitos após o TCTHa com alta hospitalar precoce foi de 12 dias e de plaquetas 15 dias, com mediana de transfusões até a alta do serviço de três concentrados de hemácias e quatro concentrados de plaquetas. Vinte e três pacientes necessitaram de internação hospitalar em algum momento desde a alta hospitalar após o transplante até o momento de sua alta. CONCLUSÃO: A equipe de enfermagem apresenta papel fundamental no contexto da alta hospitalar precoce na conduta e manejo dos pacientes. O Enfermeiro participou na orientação e condutas durante a fase de mobilização, transplante e acompanhamento ambulatorial. A mediana de tempo para enxertia medular foi de 12 dias e durante a fase de aplasia os pacientes evoluíram com baixa internação e infecção. Houve baixa incidência de complicações e internações, sendo a toxicidade ao regime de condicionamento a maior causa de internação. As toxicidades ao regime de condicionamento apresentadas foram bem manejadas em regime ambulatorial também pela Equipe de Enfermagem / The autologous hematopoietic stem cell transplantation (HSCTa) is a standard treatment used for some hematological malignancies and also in consolidating the treatment of other diseases. The increased number of patients who need this treatment leads to new models of outpatient transplant. The early discharge is a type of transplant in which the patient is discharged after the conditioning regimen and infusion of hematopoietic stem cells (HSC) and the continuity of your treatment will occur in outpatient settings. Although the models of outpatient HSCT are well defined, there is few studies and publications that demonstrate the actual results of this modality. In the field of nursing, the limited number of scientific studies related to nursing care in HSCT patients with early hospital discharge are even more deficient. Thus, the aim of this study was to analyze the results of early discharge as a viable alternative to the treatment of patients undergoing HSCTa and its relationship to nursing care. Methods: A retrospective, quantitative, descriptive and cross study was performed. A total of 112 patients initially enrolled, 12 were excluded due to the discharged occurred after than tenth day after HSCTa (D +10) and, therefore, 100 patients were enrolled in the study. Results: The median age was 48.5 years (range: 19-69 years). There was an unintentional pairing of sex. All patients were mobilized and collected by HSC peripheral source. The conditioning regimens were used more BU12 + Mel100 and BEAM 400. The conditioning regimen-related toxicities was well at the clinic, expressed by 10 patients who required hospitalization, although a large number of patients in the sample had some degree of toxicity. Febrile neutropenia was observed in 58% of patients until the marrow engraftment. There was no increase in mortality in bone marrow aplasia phase, two patients (2%) died of infectious causes during the first 60 days after HSCTa, and only one patient showed no engraftment. The median granulocyte engraftment after HSCTa with early hospital discharge was 12 days and platelets 15 days, with a median transfusion until discharge from the service three and four units of blood transfused platelet concentrates. Twenty-three patients required hospitalization at some time from hospital discharge after transplantation until the time of his discharge. Conclusion: The nursing team has key role in the context of early hospital discharge in the conduct and management of patients. The nurse participated in the orientation and conduct during the mobilization phase, and outpatient transplant. The median time to engraftment was 12 days and during the aplasia phase of the patients improved, with low infection and hospitalization. There was a low incidence of complications and hospitalizations, and the toxicity conditioning regimen the leading cause of hospitalization. The toxicities presented to the conditioning regimen were well managed on an outpatient basis also for the Nursing Team

<p>Увод: Ризик оперативног лечења у кардиохирургији посматра се са становишта постоперативног морталитет или одређених компликација. Стратификација ризика подразумева преоперативно утврђивање оперативног ризика, у односу на одређен период након операције, на основу тежине стања сваког пацијента посебно. Оно се процењује на основу броја и тежине његових фактора ризика. Предмет истраживања јесте математички статистички модел за предвиђање исхода оперативног ризика у кардиохирургији за период од једне године од датума интервенције. Популација Војводине је, у демографском смислу, специфична. Висока је стопа гојазних, пушача, оболелих од шећерне болести и артеријске хипертензије. Ове специфичности популације, морају се узети у обзир приликом процене ризика од кардиохируршке интервенције. Осим тога, оперативна тактика и техника (примена артеријских графтова, реваскуларизација у ургентним стањима, хибридна хирургија итд.), као и оптимална преоперативна припрема и постоперативни третман имају велики утицај на исход оперативног лечења. Циљ истраживања јесте идентификација свих фактора ризика који значајно утичу на исход оперативног лечења и развој сопствених модела за предикцију морталитета и значајних кардијалних и церебрoваскуларних компликација, као и њихова валидација. Методе: Узорак је чинило 2664 консекутивних болесника оперисаних на Клиници за кардиоваскуларну хирургију, Института за кардиоваскуларне болести Војводине у периоду од 01.07. 2011. до 21.12.2013. године. Анализирано је укупно 48 потенцијално релевантних фактора ризика. Подаци о морталитету и компликацијама у периоду хоспитализације и о рехоспитализацијама преузимани су из болничког информационог система (БИС). Болесници који, 365 дана од операције, нису били регистровани у БИС-у, позивани су телефоном како би се добио увид у њихово стање. Модел за процену једногодишњег оперативног ризика креиран је помоћу мултиваријантне бинарне логистичке регресије. Дискриминативна моћ модела испитана је помоћу Receiver Operating Characteristic (ROC) кривих, при чему су одређени гранични пресек, сензитивност и специфичност одговарајуће варијабле. Резултати: Добијени модел је добар маркер за предикцију морталитета годину дана од операције (area = 0,712: р &lt; 0,0005). Вредност граничног пресека је 3,04, сензитивност је 0,700; специфичност је 0,626. Хосмер - Лемешов тест за креирани модел износи 0,125 (р &gt; 0,05). На узорку на коме је направљен модел, у односу на значајне, неповољне кардијалне и цереброваскуларне догађаје вредност површине испод ROC криве су: area = 0,713; p &lt; 0,0005 , вредност граничног пресека 7,87, сензитивност 0,667, специфичност 0,635. Када се модел примени на контролну групу, вредност површине испод ROC криве су следеће: area = 0,518, p = 0,581. Хосмер - Лемешов тест за креирани модел показује да је вредност р = 0,007. Закључак: Модел за предикцију морталитета је прецизан како у односу на целу групу болесника, тако и у односу на тип кардиохируршке инервенције. Креирани модел има добру моћ дискриминације. Најбољу моћ разликовања болесника са ниским и високим ризиком, модел показује у коронарној а нешто слабију у комбинованој хирургији. Модел за значајне кардијалне и цереброваскуларне догађаје функционише само на целокупном узорку, на којем је креиран, а не може да да задовољавајући одговор сваком болеснику понаособ, колика је вероватноћа да ће се код њега, у периоду од годину дана од операције, десити неки од наведених догађаја.</p> / <p>Uvod: Rizik operativnog lečenja u kardiohirurgiji posmatra se sa stanovišta postoperativnog mortalitet ili određenih komplikacija. Stratifikacija rizika podrazumeva preoperativno utvrđivanje operativnog rizika, u odnosu na određen period nakon operacije, na osnovu težine stanja svakog pacijenta posebno. Ono se procenjuje na osnovu broja i težine njegovih faktora rizika. Predmet istraživanja jeste matematički statistički model za predviđanje ishoda operativnog rizika u kardiohirurgiji za period od jedne godine od datuma intervencije. Populacija Vojvodine je, u demografskom smislu, specifična. Visoka je stopa gojaznih, pušača, obolelih od šećerne bolesti i arterijske hipertenzije. Ove specifičnosti populacije, moraju se uzeti u obzir prilikom procene rizika od kardiohirurške intervencije. Osim toga, operativna taktika i tehnika (primena arterijskih graftova, revaskularizacija u urgentnim stanjima, hibridna hirurgija itd.), kao i optimalna preoperativna priprema i postoperativni tretman imaju veliki uticaj na ishod operativnog lečenja. Cilj istraživanja jeste identifikacija svih faktora rizika koji značajno utiču na ishod operativnog lečenja i razvoj sopstvenih modela za predikciju mortaliteta i značajnih kardijalnih i cerebrovaskularnih komplikacija, kao i njihova validacija. Metode: Uzorak je činilo 2664 konsekutivnih bolesnika operisanih na Klinici za kardiovaskularnu hirurgiju, Instituta za kardiovaskularne bolesti Vojvodine u periodu od 01.07. 2011. do 21.12.2013. godine. Analizirano je ukupno 48 potencijalno relevantnih faktora rizika. Podaci o mortalitetu i komplikacijama u periodu hospitalizacije i o rehospitalizacijama preuzimani su iz bolničkog informacionog sistema (BIS). Bolesnici koji, 365 dana od operacije, nisu bili registrovani u BIS-u, pozivani su telefonom kako bi se dobio uvid u njihovo stanje. Model za procenu jednogodišnjeg operativnog rizika kreiran je pomoću multivarijantne binarne logističke regresije. Diskriminativna moć modela ispitana je pomoću Receiver Operating Characteristic (ROC) krivih, pri čemu su određeni granični presek, senzitivnost i specifičnost odgovarajuće varijable. Rezultati: Dobijeni model je dobar marker za predikciju mortaliteta godinu dana od operacije (area = 0,712: r &lt; 0,0005). Vrednost graničnog preseka je 3,04, senzitivnost je 0,700; specifičnost je 0,626. Hosmer - Lemešov test za kreirani model iznosi 0,125 (r &gt; 0,05). Na uzorku na kome je napravljen model, u odnosu na značajne, nepovoljne kardijalne i cerebrovaskularne događaje vrednost površine ispod ROC krive su: area = 0,713; p &lt; 0,0005 , vrednost graničnog preseka 7,87, senzitivnost 0,667, specifičnost 0,635. Kada se model primeni na kontrolnu grupu, vrednost površine ispod ROC krive su sledeće: area = 0,518, p = 0,581. Hosmer - Lemešov test za kreirani model pokazuje da je vrednost r = 0,007. Zaključak: Model za predikciju mortaliteta je precizan kako u odnosu na celu grupu bolesnika, tako i u odnosu na tip kardiohirurške inervencije. Kreirani model ima dobru moć diskriminacije. Najbolju moć razlikovanja bolesnika sa niskim i visokim rizikom, model pokazuje u koronarnoj a nešto slabiju u kombinovanoj hirurgiji. Model za značajne kardijalne i cerebrovaskularne događaje funkcioniše samo na celokupnom uzorku, na kojem je kreiran, a ne može da da zadovoljavajući odgovor svakom bolesniku ponaosob, kolika je verovatnoća da će se kod njega, u periodu od godinu dana od operacije, desiti neki od navedenih događaja.</p> / <p>Introduction: Risk assessment in cardiac surgery can be realized from the point of postoperative mortality or certain complications. Risk stratification involves preoperative determination of operative risk in relation to a certain period after the operation, based on the health status of each patient individually. It is estimated through the number and severity of its risk factors. The subject of research is mathematical statistical model which is able to predict the outcome of operative risk in cardiac surgery for a period of one year from the date of intervention. The population of Vojvodina is, in demographic terms, specific. There is a high rate of overweight people, smokers, patients with diabetes and hypertension. These specifics of the population must be taken into account when assessing the risk of cardiac intervention. In addition, operative tactics and techniques (use of arterial grafts, revascularization in emergency situations, hybrid surgery etc.) as well as the optimal preoperative preparation and postoperative treatment have a major impact on the outcome of operative treatment. The aim of the research is the identification of risk factors that significantly affect the outcome of operative treatment and development of specific models for the prediction of mortality and major cardiac and cerebrovascular complications, as well as their validation. Methods: The sample was comprised of 2664 consecutive patients who underwent surgery at the Clinic for Cardiovascular Surgery at the Institute of Cardiovascular Diseases Vojvodina in the period 01.07. 2011 - 21.12.2013. A total of 48 potentially relevant risk factors were analyzed. Data on mortality and complications during hospitalization, and the rehospitalization rates were obtained from the Hospital Information System (BIS). Patients not registered within the BIS during 365 days from the operation day, were contacted by phone in order to gain insight about their status. A model for one-year operative risk assessment was created using multivariate binary logistic regression. The discriminative power of the model was tested using the Receiver Operating Characteristic (ROC) curves, with determination of the following parameters: cut-off value, sensitivity and specificity of the response variables. Results: The model is a good marker for the prediction of mortality one year after the operation (area = 0.712: p &lt;0.0005). The cut-off value is 3.04, the sensitivity was 0.700; specificity was 0.626. Hosmer - Lemeshov test for the created model is 0.125 (p&gt; 0.05). In a sample in which the model was developed, with regard to significant adverse cardiac and cerebrovascular events, the value of the area under the ROC curves were: area = 0.713; p &lt;0.0005, cut-off value 7.87, sensitivity of 0.667, specificity of 0.635. When the model is applied to the control group, the value of the area under the ROC curve is 0.518, p = 0.581. Hosmer-Lemeshov test for the created model shows the value of p=0.007. Conclusion: The model for mortality prediction is precise both when applied to the entire group of patients, and in relation to the type of cardiac procedure. The created model possesses good discriminatory power. The model shows best power of distinguishing patients with low and high risk in a subset of coronary surgery patients, and somewhat weaker power in combined surgery subset. The model for major cardiac and cerebrovascular events only works on the entire sample, in which it has been created, but cannot provide satisfactory answer to each patient individually, how likely the patient is to experience the event within a period of one year starting from the operation.</p>

Mais informações são necessárias para definir se o tratamento percutâneo da coartação da aorta com stents é superior à angioplastia com cateter-balão. De julho de 2000 a maio de 2003, 21 adolescentes e adultos com coartação da aorta focal e média de idade de 24 anos (DP 11 anos) foram submetidos, consecutivamente, a implante de stents (grupo 1). Os resultados foram comparados com os obtidos em um grupo histórico de 15 pacientes com média de idade de 18 anos (DP 10 anos) (p = 0,103) submetidos a angioplastia (grupo 2) nos últimos 18 anos. Após o procedimento, a redução do gradiente sistólico foi maior (99% [DP 2%] versus 87% [DP 17%]; p = 0,015), o gradiente residual foi menor (0,4 mmHg [DP 1,4 mmHg] versus 5,9 mmHg [DP 7,9 mmHg]; p = 0,019), o ganho no local da coartação foi maior (333% [DP 172%] \"versus\" 190% [DP 104%]; p = 0,007) e o diâmetro da coartação foi maior (16,9 mm [DP 2,9 mm] versus 12,9 mm [DP 3,2 mm]; p < 0,001) no grupo 1. Alterações da parede da aorta, incluindo dissecções, abaulamentos e aneurismas, foram observadas em oito pacientes do grupo 2 (53%) e em um do grupo 1 (7%) (p < 0,001). Não houve complicações maiores. Cateterismo (n = 33) ou ressonância magnética (n = 2) de controle foram realizados em seguimento mediano de um ano para o grupo 1 e um ano e meio para o grupo 2 (p = 0,005). A redução do gradiente sistólico persistiu em ambos os grupos; entretanto, gradientes tardios mais altos foram observados no grupo 2 (mediana de 0 mmHg para o grupo 1 versus 3 mmHg para o grupo 2; p = 0,014). Não houve perdas no diâmetro da coartação no grupo 1 e houve ganho tardio no grupo 2 (16,7 mm [DP 2,9 mm] versus 14,6 mm [DP 3,9 mm]; p = 0,075). No grupo 1, dois pacientes necessitaram de novo implante de stent em decorrência da formação de aneurisma ou fratura da malha do stent. No grupo 2, as anormalidades da parede aórtica não progrediram e um paciente necessitou de redilatação em decorrência da recoartação. A pressão arterial sistêmica foi semelhante em ambos os grupos durante o seguimento (sistólica: 126 mmHg [DP 12 mmHg] no grupo 1 versus 120 mmHg [DP 15 mmHg] no grupo 2; diastólica: 81 mmHg [DP 11 mmHg] no grupo 1 versus 80 mmHg [DP 10 mmHg] no grupo 2; p = 0,149 e p = 0,975, respectivamente). Apesar de os desfechos clínicos terem sido satisfatórios e similares com ambas as técnicas, o uso de stents propiciou resultados mais previsíveis e uniformes para alívio da estenose, minimizando também o risco de desenvolvimento de alterações da parede da aorta. / More information is needed to define whether stenting is superior to balloon angioplasty for coarctation of the aorta. From July/2000 to May/2003, 21 adolescents and adults with discrete coarctation underwent consecutive stent implantation at a mean age of 24 years (SD 11 years) (group 1). The results were compared to those achieved by balloon angioplasty performed in the last 18 years in a historical group of 15 patients at a mean age of 18 years (SD 10 years) (p = 0.103) (group 2). After the procedure, systolic gradient reduction was higher (99% [SD 2%] vs. 87% [SD 17%]; p = 0.015), residual gradients lower (0.4 mmHg [SD 1.4 mmHg] vs. 5.9 mmHg [SD 7.9 mmHg); p = 0.019), gain at the coarctation site higher (333% [SD 172%] vs. 190% [SD 104%]; p = 0.007) and coarctation diameter larger (16.9 mm [SD 2.9 mm] vs.12.9 mm [SD 3.2 mm]; p < 0.001) in group 1. Aortic wall abnormalities, including dissections, bulges and aneurysms, were observed in eight patients in group 2 (53%) and in one in group 1 (7%) (p < 0.001). There was no major complication. Repeat catheterization (n = 33) or magnetic resonance imaging (n = 2) was performed at a median follow-up of 1.0 year for group 1 and 1.5 year for group 2 (p = 0.005). Gradient reduction persisted in both groups, although higher late gradients were observed in group 2 (median of 0 mmHg for group 1 vs. 3 mmHg for group 2; p = 0.014). There was no late loss in the coarctation diameter in group 1 and there was a late gain in group 2 (16.7 mm [SD 2.9 mm] for group 1 vs. 14.6 mm [SD 3.9 mm] for group 2; p = 0.075). Two patients required late stenting due to aneurysm formation or stent fracture in group 1. Aortic wall abnormalities did not progress and one patient required redilation due to recoarctation in group 2. Blood pressure was similar in both groups at follow-up (systolic: 126 mmHg [SD 12 mmHg] in group 1 vs. 120 mmHg [SD 15 mmHg] in group 2; diastolic: 81 mmHg [SD 11 mmHg] in group 1 vs. 80 mmHg [SD 10 mmHg] in group 2; p = 0.149 and p = 0.975, respectively). Although satisfactory and similar clinical outcomes were observed with both techniques, the use of stents yielded more predictable and uniform results for stenosis relief, also minimizing the risk of developing aortic wall abnormalities.

O plasma rico em plaquetas (PRP) tem sido utilizado na ortopedia como método para melhorar a cicatrização tecidual. Existem poucos estudos com alto nível de evidência sobre o seu efeito no reparo do manguito rotador e os resultados são conflitantes, não havendo consenso sobre sua eficácia. O objetivo primário deste estudo foi avaliar o efeito do uso do PRP em pacientes submetidos ao reparo do manguito rotador por via artroscópica através da escala da University of California at Los Angeles (UCLA). A avaliação clínica através da escala de Constant-Murley, de dor através da escala visual analógica (EVA), a presença de rerroturas na análise da ressonância magnética (RM) e a ocorrência de complicações foram considerados desfechos secundários. Estudo prospectivo, randomizado, duplo-cego. Dois grupos com 27 pacientes (Grupo PRP e Grupo Controle) foram submetidos ao reparo artroscópico em fileira simples de âncoras, sendo que, no Grupo PRP, foi aplicado o concentrado de plaquetas ao final do procedimento. O PRP foi obtido por aférese, aplicado na consistência líquida, com adição de trombina autóloga. Foram incluídas apenas roturas de espessura completa do supraespinal com retração inferior a 30 mm. Os procedimentos foram realizados pelo mesmo cirurgião, entre setembro de 2008 e abril de 2012. Os desfechos foram avaliados através das escalas da UCLA, de Constant-Murley, EVA e pela RM, pré-operatoriamente e aos 3, 6 e 12 meses. A EVA foi aplicada adicionalmente no primeiro e sétimo dia. O nível de significância empregado foi de 5%. Os pacientes apresentaram melhora clínica significativa com o procedimento nos dois grupos (p < 0,001). Evoluíram de 13,63 ± 3,639 para 30,04 ± 4,528 no Grupo Controle e de 13,93 ± 4,649 para 32,30 ± 3,506 no Grupo PRP aos 12 meses (p = 0,046) de acordo com a escala da UCLA, com um poder de 84% e tamanho do efeito de 0,56. De acordo com a escala de Constant-Murley, os pacientes evoluíram de 47,37 ± 11,088 para 76,89 ± 13,198 no Grupo Controle e de 46,96 ± 11,937 para 83,26 ± 11,141 no Grupo PRP aos 12 meses (p=0,061). A avaliação aos 3 e 6 meses não demonstrou diferença significativa. A avaliação pela EVA não demonstrou diferença estatística em nenhum dos tempos de seguimento, evoluindo de 7,00 ± 1,939 no Grupo Controle e de 6,67 ± 1,617 no Grupo PRP no pré-operatório para 1,70 ± 2,127 e 1,04 ± 1,808, respectivamente, aos 12 meses (p = 0,220). Na análise pela RM, o Grupo Controle apresentou uma rerrotura completa e quatro parciais, enquanto o Grupo PRP apresentou duas rerroturas parciais (p = 0,42). Ocorreu um caso de rigidez articular em cada grupo (p = 1). O PRP obtido por aférese, aplicado na consistência líquida e com adição de trombina propiciou melhores resultados pela escala da UCLA aos 12 meses de pós-operatório / Platelet-rich plasma (PRP) has been used in orthopedics as a method to enhance tissue healing. There are few studies with a high level of evidence about its effect on rotator cuff repair, and the results are conflicting, with no consensus about its effectiveness. Clinical assessment as measured by the UCLA (University of California at Los Angeles) shoulder rating scale was established as the primary outcome. The secondary outcomes included clinical assessment on the Constant-Murley scale, pain as measured by a visual analog scale (VAS), the retear rate assessed by magnetic resonance imaging (MRI) and the complication rate. A prospective, randomized, doubleblind trial was conducted. Two groups of 27 patients (PRP Group and Control Group) were subjected to arthroscopic single-row repair. Liquid PRP prepared by apheresis was applied to the PRP Group at the end of the surgical procedure, with autologous thrombin. Complete supraspinatus tears with retraction less than 30 mm were included. The procedures were performed by the same surgeon between September 2008 and April 2012. Outcomes were assessed using UCLA and Constant-Murley scales, VAS and magnetic resonance imaging preoperatively and at 3, 6 and 12 months. The VAS was also applied on days one and seven. The significance level was 5%. The two groups of patients exhibited significant clinical improvement (p < 0.001). The score on the UCLA scale increased from 13.63 ± 3.639 to 30.04 ± 4.528 and from 13.93 ± 4.649 to 32.30 ± 3.506 in the Control and PRP groups, respectively, between the preoperative assessment and after 12 months (p=0.046), with a 84% power and a 0.56 effect size. The score on Constant-Murley scale increased from 47.37 ± 11.088 to 76.89 ± 13.198 in the Control Group and from 46.96 ± 11.937 to 83.26 ± 11.141 in the PRP Group (p = 0.061). Assessment at 3 and 6 months did not identify significant differences. The VAS did not statistically differ at any investigated timepoint and varied from 7.00 ± 1.939 and 6.67 ± 1.617 before surgery to 1.70 ± 2.127 and 1.04 ± 1.808 at the 12-month assessment in the Control and PRP groups, respectively (p = 0.220). The Control Group exhibited one case of complete and four of partial retears, and the Group PRP exhibited two cases of partial retears (p = 0.42). PRP prepared by apheresis, applied in the liquid state with thrombin, promoted better results on the UCLA scale 12 months after surgery

Doctor of Philosophy / Radiographic film/screen (F/S) images have a narrow latitude or dynamic range. The film’s ability to record and view all the anatomy within the x-ray field is limited by this narrow dynamic range. The advent of digital radiographic means of storing and displaying radiographic images has improved the ability to record and visualise all of the anatomy. The problem still exists in digital radiography (DR) when radiographic examinations of certain anatomical regions are undertaken. In this work, the value of anatomically shaped radiographic contrast-enhancement masks (RCMs) in improving image contrast and reducing the dynamic range of images in DR was examined. Radiographic contrast-enhancement masks are digital masks that alter the radiographic contrast in DR images. The shape of these masks can be altered by the user. Anatomically shaped RCMs have been modelled on tissue compensation filters (TCFs) commonly used in F/S radiographic examinations. The prime purpose of a TCF is to reduce the dynamic range of photons reaching the image receptor and hence improve radiographic contrast in the resultant image. RCMs affect the dynamic range of the image rather than the energy source of the image, that of the x-ray photons. The research consisted of three distinct phases. The first phase was to examine physical TCFs and their effects on F/S radiographic images. Physical TCFs are used in radiographic F/S examinations to attenuate the x-ray beam to compensate for varying patient tissue thicknesses and/or densities. The effect of the TCF is to reduce resultant radiographic optical density variations in the image, allowing the viewer to observe a range of densities within the image which would otherwise not be visualised. Physical TCFs are commonly aluminium- or lead-based materials that attenuate the x-ray beam. A TCF has varying physical thickness to differentially attenuate the iii beam and is shaped for specific anatomical situations. During this project, various commonly used physical TCFs were examined. Measurements of size and thickness were made. Characteristics of linear attenuation coefficients and half-value thicknesses were delineated for various TCF materials and at various energies. The second phase of the research was to model the physical TCFs in a digital environment and apply the RCMs to DR images. The digital RCMs were created with similar characteristics to mimic the shapes to the physical TCFs. The RCM characteristics can be adjusted by the viewer of the image to suit the anatomy being imaged. Anatomically shaped RCMs were designed to assist in overcoming a limitation when viewing digital radiographic images, that of the dynamic range of the image. Anatomically shaped RCMs differ from other means of controlling the dynamic range of a digital radiographic image. It has been shown that RCMs can reduce the range of optical densities within images with a large dynamic range, to facilitate visualisation of all anatomy within the image. Physical TCFs are used within a specific range of radiographic F/S examinations. Digital radiographic images from this range of examinations were collected from various clinical radiological centres. Anatomically shaped RCMs were applied to the images to improve radiographic contrast of the images. The third phase of the research was to ascertain the benefits of the use of RCMs. Various other methods are currently in use to reduce the dynamic range of digital radiographic images. It is generally accepted that these methods also introduce noise into the image and hence reduce image quality. Quantitative comparisons of noise within the image were undertaken. The anatomically shaped RCMs introduced less noise than current methods designed to reduce the dynamic range of digital radiographic images. It was shown that RCM methods do not affect image quality. Radiographers make subjective assessment of digital radiographic image quality as part of their professional practice. To assess the subjective quality of images enhanced with anatomically shaped RCMs, a survey of radiographers and other iv qualified people was undertaken to ascertain any improvement in RCM-modified images compared to the original images. Participants were provided with eight pairs of image to compare. Questions were asked in the survey as to which image had the better range of optical densities; in which image the anatomy was easiest to visualise; which image had the simplest contrast and density manipulation for optimal visualisation; and which image had the overall highest image quality. Responses from 123 participants were received and analysed. The statistical analysis showed a higher preference by radiographers for the digital radiographic images in which the RCMs had been applied. Comparisons were made between anatomical regions and between patient-related factors of size, age and whether pathology was present in the image or not. The conclusion was drawn that digital RCMs correctly applied to digital radiographic images decrease the dynamic range of the image, allowing the entire anatomy to be visualised in one image. Radiographic contrast in the image can be maximised whilst maintaining image quality. Using RCMs in some digital radiographic examinations, radiographers will be able to present optimised images to referring clinicians. It is envisaged that correctly applied RCMs in certain radiographic examinations will enhance radiographic image quality and possibly lead to improved diagnosis from these images.

Doctor of Philosophy / Radiographic film/screen (F/S) images have a narrow latitude or dynamic range. The film’s ability to record and view all the anatomy within the x-ray field is limited by this narrow dynamic range. The advent of digital radiographic means of storing and displaying radiographic images has improved the ability to record and visualise all of the anatomy. The problem still exists in digital radiography (DR) when radiographic examinations of certain anatomical regions are undertaken. In this work, the value of anatomically shaped radiographic contrast-enhancement masks (RCMs) in improving image contrast and reducing the dynamic range of images in DR was examined. Radiographic contrast-enhancement masks are digital masks that alter the radiographic contrast in DR images. The shape of these masks can be altered by the user. Anatomically shaped RCMs have been modelled on tissue compensation filters (TCFs) commonly used in F/S radiographic examinations. The prime purpose of a TCF is to reduce the dynamic range of photons reaching the image receptor and hence improve radiographic contrast in the resultant image. RCMs affect the dynamic range of the image rather than the energy source of the image, that of the x-ray photons. The research consisted of three distinct phases. The first phase was to examine physical TCFs and their effects on F/S radiographic images. Physical TCFs are used in radiographic F/S examinations to attenuate the x-ray beam to compensate for varying patient tissue thicknesses and/or densities. The effect of the TCF is to reduce resultant radiographic optical density variations in the image, allowing the viewer to observe a range of densities within the image which would otherwise not be visualised. Physical TCFs are commonly aluminium- or lead-based materials that attenuate the x-ray beam. A TCF has varying physical thickness to differentially attenuate the iii beam and is shaped for specific anatomical situations. During this project, various commonly used physical TCFs were examined. Measurements of size and thickness were made. Characteristics of linear attenuation coefficients and half-value thicknesses were delineated for various TCF materials and at various energies. The second phase of the research was to model the physical TCFs in a digital environment and apply the RCMs to DR images. The digital RCMs were created with similar characteristics to mimic the shapes to the physical TCFs. The RCM characteristics can be adjusted by the viewer of the image to suit the anatomy being imaged. Anatomically shaped RCMs were designed to assist in overcoming a limitation when viewing digital radiographic images, that of the dynamic range of the image. Anatomically shaped RCMs differ from other means of controlling the dynamic range of a digital radiographic image. It has been shown that RCMs can reduce the range of optical densities within images with a large dynamic range, to facilitate visualisation of all anatomy within the image. Physical TCFs are used within a specific range of radiographic F/S examinations. Digital radiographic images from this range of examinations were collected from various clinical radiological centres. Anatomically shaped RCMs were applied to the images to improve radiographic contrast of the images. The third phase of the research was to ascertain the benefits of the use of RCMs. Various other methods are currently in use to reduce the dynamic range of digital radiographic images. It is generally accepted that these methods also introduce noise into the image and hence reduce image quality. Quantitative comparisons of noise within the image were undertaken. The anatomically shaped RCMs introduced less noise than current methods designed to reduce the dynamic range of digital radiographic images. It was shown that RCM methods do not affect image quality. Radiographers make subjective assessment of digital radiographic image quality as part of their professional practice. To assess the subjective quality of images enhanced with anatomically shaped RCMs, a survey of radiographers and other iv qualified people was undertaken to ascertain any improvement in RCM-modified images compared to the original images. Participants were provided with eight pairs of image to compare. Questions were asked in the survey as to which image had the better range of optical densities; in which image the anatomy was easiest to visualise; which image had the simplest contrast and density manipulation for optimal visualisation; and which image had the overall highest image quality. Responses from 123 participants were received and analysed. The statistical analysis showed a higher preference by radiographers for the digital radiographic images in which the RCMs had been applied. Comparisons were made between anatomical regions and between patient-related factors of size, age and whether pathology was present in the image or not. The conclusion was drawn that digital RCMs correctly applied to digital radiographic images decrease the dynamic range of the image, allowing the entire anatomy to be visualised in one image. Radiographic contrast in the image can be maximised whilst maintaining image quality. Using RCMs in some digital radiographic examinations, radiographers will be able to present optimised images to referring clinicians. It is envisaged that correctly applied RCMs in certain radiographic examinations will enhance radiographic image quality and possibly lead to improved diagnosis from these images.

O plasma rico em plaquetas (PRP) tem sido utilizado na ortopedia como método para melhorar a cicatrização tecidual. Existem poucos estudos com alto nível de evidência sobre o seu efeito no reparo do manguito rotador e os resultados são conflitantes, não havendo consenso sobre sua eficácia. O objetivo primário deste estudo foi avaliar o efeito do uso do PRP em pacientes submetidos ao reparo do manguito rotador por via artroscópica através da escala da University of California at Los Angeles (UCLA). A avaliação clínica através da escala de Constant-Murley, de dor através da escala visual analógica (EVA), a presença de rerroturas na análise da ressonância magnética (RM) e a ocorrência de complicações foram considerados desfechos secundários. Estudo prospectivo, randomizado, duplo-cego. Dois grupos com 27 pacientes (Grupo PRP e Grupo Controle) foram submetidos ao reparo artroscópico em fileira simples de âncoras, sendo que, no Grupo PRP, foi aplicado o concentrado de plaquetas ao final do procedimento. O PRP foi obtido por aférese, aplicado na consistência líquida, com adição de trombina autóloga. Foram incluídas apenas roturas de espessura completa do supraespinal com retração inferior a 30 mm. Os procedimentos foram realizados pelo mesmo cirurgião, entre setembro de 2008 e abril de 2012. Os desfechos foram avaliados através das escalas da UCLA, de Constant-Murley, EVA e pela RM, pré-operatoriamente e aos 3, 6 e 12 meses. A EVA foi aplicada adicionalmente no primeiro e sétimo dia. O nível de significância empregado foi de 5%. Os pacientes apresentaram melhora clínica significativa com o procedimento nos dois grupos (p < 0,001). Evoluíram de 13,63 ± 3,639 para 30,04 ± 4,528 no Grupo Controle e de 13,93 ± 4,649 para 32,30 ± 3,506 no Grupo PRP aos 12 meses (p = 0,046) de acordo com a escala da UCLA, com um poder de 84% e tamanho do efeito de 0,56. De acordo com a escala de Constant-Murley, os pacientes evoluíram de 47,37 ± 11,088 para 76,89 ± 13,198 no Grupo Controle e de 46,96 ± 11,937 para 83,26 ± 11,141 no Grupo PRP aos 12 meses (p=0,061). A avaliação aos 3 e 6 meses não demonstrou diferença significativa. A avaliação pela EVA não demonstrou diferença estatística em nenhum dos tempos de seguimento, evoluindo de 7,00 ± 1,939 no Grupo Controle e de 6,67 ± 1,617 no Grupo PRP no pré-operatório para 1,70 ± 2,127 e 1,04 ± 1,808, respectivamente, aos 12 meses (p = 0,220). Na análise pela RM, o Grupo Controle apresentou uma rerrotura completa e quatro parciais, enquanto o Grupo PRP apresentou duas rerroturas parciais (p = 0,42). Ocorreu um caso de rigidez articular em cada grupo (p = 1). O PRP obtido por aférese, aplicado na consistência líquida e com adição de trombina propiciou melhores resultados pela escala da UCLA aos 12 meses de pós-operatório / Platelet-rich plasma (PRP) has been used in orthopedics as a method to enhance tissue healing. There are few studies with a high level of evidence about its effect on rotator cuff repair, and the results are conflicting, with no consensus about its effectiveness. Clinical assessment as measured by the UCLA (University of California at Los Angeles) shoulder rating scale was established as the primary outcome. The secondary outcomes included clinical assessment on the Constant-Murley scale, pain as measured by a visual analog scale (VAS), the retear rate assessed by magnetic resonance imaging (MRI) and the complication rate. A prospective, randomized, doubleblind trial was conducted. Two groups of 27 patients (PRP Group and Control Group) were subjected to arthroscopic single-row repair. Liquid PRP prepared by apheresis was applied to the PRP Group at the end of the surgical procedure, with autologous thrombin. Complete supraspinatus tears with retraction less than 30 mm were included. The procedures were performed by the same surgeon between September 2008 and April 2012. Outcomes were assessed using UCLA and Constant-Murley scales, VAS and magnetic resonance imaging preoperatively and at 3, 6 and 12 months. The VAS was also applied on days one and seven. The significance level was 5%. The two groups of patients exhibited significant clinical improvement (p < 0.001). The score on the UCLA scale increased from 13.63 ± 3.639 to 30.04 ± 4.528 and from 13.93 ± 4.649 to 32.30 ± 3.506 in the Control and PRP groups, respectively, between the preoperative assessment and after 12 months (p=0.046), with a 84% power and a 0.56 effect size. The score on Constant-Murley scale increased from 47.37 ± 11.088 to 76.89 ± 13.198 in the Control Group and from 46.96 ± 11.937 to 83.26 ± 11.141 in the PRP Group (p = 0.061). Assessment at 3 and 6 months did not identify significant differences. The VAS did not statistically differ at any investigated timepoint and varied from 7.00 ± 1.939 and 6.67 ± 1.617 before surgery to 1.70 ± 2.127 and 1.04 ± 1.808 at the 12-month assessment in the Control and PRP groups, respectively (p = 0.220). The Control Group exhibited one case of complete and four of partial retears, and the Group PRP exhibited two cases of partial retears (p = 0.42). PRP prepared by apheresis, applied in the liquid state with thrombin, promoted better results on the UCLA scale 12 months after surgery

A ablação cirúrgica por radiofreqüência (RF) é uma nova técnica para tratar a fibrilação atrial (FA) permanente. O objetivo deste estudo é avaliar a eficácia da ablação cirúrgica por RF da FA permanente em pacientes com valvopatia mitral reumática (VMR). Entre Fevereiro de 2002 e Abril de 2003, 70 pacientes com FA permanente e VMR foram submetidos à operação da valva mitral associada à ablação por RF da FA (Grupo A); ou à operação da valva mitral isolada (Grupo B). No seguimento pós-operatório foram avaliados: a reversão para o ritmo sinusal (RS) e a contratilidade atrial. Após 12 meses de seguimento, os índices de reversão para o RS e de restabelecimento da contratilidade atrial foram significativamente superiores no Grupo A. A ablação cirúrgica por RF é eficaz para o tratamento da FA permanente em pacientes com VMR / Radiofrequency ablation is a new surgical technique to treat permanent atrial fibrillation. The aim of this study was to evaluate the effectiveness of the (RF) ablation for the treatment of permanent AF in patients with rheumatic mitral valve (MV) disease. Between February 2002 and April 2003, 70 patients with permanent AF and rheumatic MV disease were assigned to undergo a MV surgery associated with RF ablation (Group A), or MV surgery alone (Group B). After 12 months of follow-up, the cumulative rates of sinus rhythm conversion and atrial transport function restoration were higher in Group A.The RF ablation is effective for treating permanent AF associated with rheumatic MV disease

Submitted by FABIANA DE OLIVEIRA MARTINS DA COSTA (fabiana@baluarteagencia.com.br) on 2012-07-20T00:27:04Z No. of bitstreams: 1 Tese Final_Arquivada.pdf: 2457220 bytes, checksum: 4e0364339954d0dbba7cf49aef818f5e (MD5) / Approved for entry into archive by Rafael Aguiar (rafael.aguiar@fgv.br) on 2012-10-05T19:50:00Z (GMT) No. of bitstreams: 1 Tese Final_Arquivada.pdf: 2457220 bytes, checksum: 4e0364339954d0dbba7cf49aef818f5e (MD5) / Approved for entry into archive by Marcia Bacha (marcia.bacha@fgv.br) on 2012-10-08T13:47:14Z (GMT) No. of bitstreams: 1 Tese Final_Arquivada.pdf: 2457220 bytes, checksum: 4e0364339954d0dbba7cf49aef818f5e (MD5) / Made available in DSpace on 2012-10-08T13:47:28Z (GMT). No. of bitstreams: 1 Tese Final_Arquivada.pdf: 2457220 bytes, checksum: 4e0364339954d0dbba7cf49aef818f5e (MD5) Previous issue date: 2012-03-30 / This research regards the experience of performing a cultural project, based on the analysis of the Cultural Production 3 Ps. The paper presents an account of the backstages, since the project planning up to its evaluation, bringing a critical reflection on the making of the cultural production and exploring issues related to access and cultural citizenship. The project analyzed here was sponsored through the Brazilian Federal Law of Cultural Incentive (Rouanet Law). The dynamic game of the cultural market here exposed presents a form of interaction between the Proponent, the Project Sponsor and the Public that serves as reference to comprehend the trajectory of a cultural project since its creation, going through its implementation and up to its finalization. Another aspect here explored, although yet less developed in the market, treats about the establishment of the bases for the evaluation of the social-cultural projects results achieved. / Esta pesquisa trata da experiência de realização de um projeto cultural, a partir da análise da dinâmica dos 3P´s da produção cultural. O trabalho apresenta um relato de bastidores desde o planejamento do projeto à sua avaliação, trazendo uma reflexão crítica acerca do fazer da produção cultural e explora questões sobre acesso e cidadania cultural. O projeto analisado foi patrocinado através da Lei Federal de Incentivo à Cultura (Lei Rouanet). O jogo dinâmico do mercado cultural aqui exposto apresenta uma forma de interação entre Proponente, Patrocinador e Público que serve de referência para a compreensão da trajetória de um projeto cultural desde sua criação, passando por sua implementação, até sua finalização. Outro aspecto aqui explorado, apesar de ainda pouco desenvolvido no mercado, trata do estabelecimento de bases para a avaliação de resultados de projetos sócio-culturais.