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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
151

Aspectos epidemiológicos de pacientes com doença renal crônica em programa de diálise peritoneal: levantamento de 22 anos / Epidemiological aspects of patients with chronic renal disease in a peritoneal dialysis program: a 22-year survey

Aline Junqueira Bezerra 10 November 2017 (has links)
A doença renal crônica (DRC) tem sido considerada um problema de saúde pública mundial. Estima-se que cerca de 17% da população adulta dos EUA apresente algum grau de comprometimento da função renal. No Brasil, um estudo realizado na cidade de Bambuí - Minas Gerais detectou-se alteração da função renal variando de 0,48% a 8,19%, sendo mais frequente nos pacientes idosos. Os pacientes que evoluem para DRC terminal necessitam de algum tipo de terapia renal substitutiva (TRS), sendo as opções disponíveis: a hemodiálise (HD), a diálise peritoneal (DP) e o transplante renal (TX renal). No caso da DP, a membrana peritoneal realiza a função de filtrar o sangue do paciente, e esta é utilizada através da implantação de um cateter na cavidade abdominal. No Brasil, segundo dados do Censo Brasileiro de Diálise (2016) existem aproximadamente 122.825 pacientes em diálise, sendo 8,6% em DP. O objetivo do estudo foi analisar a evolução dos pacientes que foram admitidos na Unidade de Diálise do HCFMRP para submeterem-se à DP nos últimos 22 anos. Os dados foram coletados dos prontuários dos pacientes atendidos no período de 1993 a 2015, de onde foram extraídas variáveis demográficas, clínicas e laboratoriais. É um estudo de coorte retrospectiva de 199 prontuários de pacientes atendidos na Unidade de Diálise do HCFMRP-USP. Os resultados demonstram que a população do estudo é em sua maioria do sexo feminino, com média de idade 57 anos. Foi encontrada a mudança de TRS para a hemodiálise como desfecho clínico mais frequente, seguida por óbito. A etiologia da DRC mais frequente foi a hipertensão arterial sistêmica (HAS), seguida por Diabetes mellitus (DM) tipo 2. Houve associação com menor média de idade de entrada em programa (48 anos), desfecho clínico óbito e maior tempo de seguimento (10 anos) com o grupo de pacientes que entraram em programa de diálise em 1993 (p<0,05). Encontramos associação do uso de medicamentos (Cloridrato de Sevelamer e Análogos da vitamina D3 com níveis categorizados de paratormônio, cálcio total e fósforo (p<0,05). CONCLUSÃO: Os pacientes que entraram em programa no período de 1993-2000 apresentaram menor média de idade e maior tempo de acompanhamento quando comparados aos demais grupos. O desfecho clínico mais frequente foi a transferência para HD, tendo como causa principal a ocorrência de peritonites. / INTRODUCTION: Chronic kidney disease (CKD) has been considered a worldwide public health problem, as well as the progressive increase of the population in renal replacement therapy (TRS). With the technological advances accumulated, the survival of patients on dialysis has increased greatly. Peritoneal dialysis (PD) is considered a safe and effective method of SRT, a challenge for the binomial patienthealth team. OBJECTIVES: To analyze the main characteristics and outcomes of patients in a PD program. METHODS: This was a retrospective cohort study of 199 patients submitted to PD in the Dialysis Unit of the HCFMRP-USP from 1993 to 2015. The primary source of data was the individual medical records. The variables were classified as: demographic, clinical and laboratorial. Statistical analyzes were performed using the Chi-square test, ANOVA and Kruskal Wallis. RESULTS: The mean age of the patients was 57 years, with a predominance of females (51.5%); the most frequent clinical outcome was the change in HRT for hemodialysis (37.2%). Type 2 diabetes mellitus (DM) was the most common cause of CKD (31,7). There was an association between lower mean age of program entry, clinical outcome and longer follow-up (10 years) in the group of patients who entered the dialysis program in the period from 1993 to 2000 (p <0.05). There was an association between the use of medications (Sevelamer\'s Hydrochloride and vitamin D3 analogues) with categorized values of parathormone, total calcium and phosphorus (p <0.05). CONCLUSION: Patients who entered the program in 1993-2000 had a lower mean age and longer follow - up when compared to the other groups. The most frequent clinical outcome was the transfer to HD, the main cause being the occurrence of peritonitis.
152

Avaliação da função endotelial em pacientes com periodontite crônica e doença renal crônica / Assessment of endothelial function in patients with chronic periodontitis and chronic kidney disease

Daibert, Patrícia de Castro 29 March 2012 (has links)
Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-05-18T15:15:11Z No. of bitstreams: 1 patriciadecastrodaibert.pdf: 2626516 bytes, checksum: 4aa00de0747d969c75ff06dd33f4502a (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-07-01T18:50:12Z (GMT) No. of bitstreams: 1 patriciadecastrodaibert.pdf: 2626516 bytes, checksum: 4aa00de0747d969c75ff06dd33f4502a (MD5) / Made available in DSpace on 2016-07-01T18:50:12Z (GMT). No. of bitstreams: 1 patriciadecastrodaibert.pdf: 2626516 bytes, checksum: 4aa00de0747d969c75ff06dd33f4502a (MD5) Previous issue date: 2012-03-29 / CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / A doença renal crônica é considerada um problema de saúde pública mundial, principalmente devido à alta morbidade e mortalidade. A perda progressiva e irreversível da função renal fornece várias complicações. Avaliação dos fatores de risco é fundamental para reduzir riscos de morte em doentes renais crônicos. Doença cardiovascular representa a principal causa de morte dessa doença seguida por infecções. Com o objetivo de avaliar a função endotelial foram incluídos 35 pacientes alocados em três grupos (15 com doença renal crônica e periodontite crônica, 10 com periodontite crônica sem doenças sistêmicas e 10 controles saudáveis). Doença renal crônica foi definida como sugerido pelo Guia de Prática Clínica da National Kidney Foundation. Periodontite Crônica foi definida através de profundidade de sondagem e nível de inserção clínica, segundo a Academia Americana de Periodontologia. Níveis de proteína C-reativa foram mensurados pela técnica Elisa. A função endotelial apresentou-se reduzida em pacientes com doença renal crônica e periodontite crônica e naqueles com periodontite crônica sem doenças sistêmicas quando comparados ao grupo controle saudável. Níveis de proteína C-reativa apresentaram-se elevados nos grupos com doença renal crônica com periodontite crônica e periodontite crônica sem doenças sistêmicas em relação ao grupo controle. Pacientes com nível de inserção clínica ≥ 6 mm foram mais encontrados no grupo de doentes renais crônicos com periodontite crônica com diferença estatisticamente significante quando comparado aos outros dois grupos. Conclui-se que a periodontite crônica induz uma resposta inflamatória sistêmica e pacientes portadores de doença renal crônica apresentam-a com maior gravidade. / Chronic kidney disease is considered a public health problem worldwide, mainly due to the high morbidity and mortality. The progressive and irreversible loss of renal function provides several complications. Evaluation of risk factors is key to reducing risks of death in patients with chronic renal failure. Cardiovascular disease is the leading cause of death by disease after infection. In order to assess endothelial function were included 35 patients divided into three groups (15 with chronic kidney disease and chronic periodontitis, 10 with chronic periodontitis with no systemic disease and 10 healthy controls). Chronic kidney disease was defined as suggested by the Practice Guideline for the National Kidney Foundation. Chronic periodontitis was defined by probing depth and clinical attachment level, according to the American Academy of Periodontology. Levels of C-reactive protein were measured by ELISA technique. Endothelial function was presented reduced in patients with chronic kidney disease and those with chronic periodontitis and chronic periodontitis with no systemic disease compared to healthy control group. Levels of C-reactive protein had to be high in groups with chronic kidney disease with chronic periodontitis and chronic periodontitis with no systemic diseases in the control group. Patients with clinical attachment level ≥ 6 mm were more in the group with chronic renal failure patients with chronic periodontitis was statistically significant when compared to the other two groups. Chronic periodontitis induces a systemic inflammatory response and patients with chronic kidney disease presented with the utmost gravity.
153

Fragilidade na doença renal crônica: prevalência e fatores associados

Mansur, Henrique Novais 12 July 2012 (has links)
Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-06-30T14:39:45Z No. of bitstreams: 1 henriquenovaismansur.pdf: 1812949 bytes, checksum: 6045d67979f9712ca8b184a24b03087d (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-07-13T15:57:57Z (GMT) No. of bitstreams: 1 henriquenovaismansur.pdf: 1812949 bytes, checksum: 6045d67979f9712ca8b184a24b03087d (MD5) / Made available in DSpace on 2016-07-13T15:57:57Z (GMT). No. of bitstreams: 1 henriquenovaismansur.pdf: 1812949 bytes, checksum: 6045d67979f9712ca8b184a24b03087d (MD5) Previous issue date: 2012-07-12 / A fragilidade é caracterizada por um declínio na reserva fisiológica e se manifesta por perda de peso corporal, massa muscular, força e energia. É comum em idosos, e mais prevalente entre os pacientes com doença renal crônica (DRC), mesmo naqueles em idades mais jovens. O objetivo deste estudo foi avaliar a prevalência de fragilidade em pacientes com DRC em pré-diálise e os possíveis fatores comuns a ambas as síndromes, como por exemplo, disfunção endotelial, marcadores inflamatórios, acidose metabólica, anemia e baixo nível de vitamina D. Outro objetivo foi desenvolver um método menos subjetivo de avaliação de fragilidade e comparar seu desempenho com outro utilizado em pacientes com DRC, em relação a resultados negativos após um ano de seguimento. Neste estudo, foram avaliados transversalmente 61 pacientes adultos, de ambos os sexos, com DRC entre os estágios 3 e 5, em pré-diálise. O diagnóstico da DRC foi baseado nos critérios propostos pela National Kidney Foundation Kidney Disease Outcome Quality Initiative (NKF KDOQITM). A taxa de filtração glomerular (TFG) foi estimada a partir da creatinina sérica utilizando a fórmula MDRD. O diagnóstico de fragilidade foi baseado tal como proposto por Johansen et al. (2007), medindo lentidão / fraqueza (SF-36), baixa resistência / exaustão (SF-36), inatividade física e perda de peso involuntária. O critério fraqueza tinha valor de 2 pontos e os demais, 1 ponto. O paciente que obtivesse 3 ou mais pontos, era denominado frágil e os demais, não frágil. Nosso instrumento difere do de Johansen, porque usamos força de preensão manual para avaliação de fraqueza e teste de caminhada de 6 minutos para avaliar a inatividade física. Além dos testes de laboratório, as demais variáveis avaliadas foram proteína C reativa (PCR), interleucina 6 (IL-6), fator de necrose tumoral alfa (TNF-α), a função endotelial (avaliada pela vasodilatação fluxo mediada da artéria braquial), a densidade óssea (DXA), a vitamina D (HPLC). A média de idade dos 61 pacientes incluídos neste estudo foi de 60,5 ± 11,5 anos, sendo 41% do sexo feminino e 43,9% brancos. Não houve diferença estatística entre as principais causas de DRC em pacientes frágeis e não frágeis: hipertensão (26,9% vs 31,4%), diabetes mellitus (11,4% vs 18,0%) e glomerulonefrite (20,0% vs 14,8%). A mediana (intervalo interquartil) da creatinina sérica foi de 2,3 (1,7-3,5) mg/dL e da TFG foi de 23 (16-39) ml/min/1.73 m2. A síndrome da fragilidade foi diagnosticada em 42,6% dos pacientes. Embora os pacientes frágeis fossem mais velhos (p = 0,0009), 30,8% eram menores de 60 anos. Os pacientes frágeis eram mais propensos a ser mulher (p = 0,02), tinham maior massa gorda (p = 0,05), mais osteoporose (p = 0,01), maior PTH (p = 0,02), baixo índice de saturação da transferrina (p = 0,02) e mais disfunção endotelial (p = 0,05). O constructo da fragilidade se correlacionou positivamente com a idade (r = 0,25, p = 0,05), massa gorda (r = 0,25, p = 0,04) e PTH (r = 0,30, p = 0,01), e negativamente com a disfunção endotelial (r= -0,367, p = 0,004). Na análise de regressão, o sexo feminino (OR: 11,3; IC 95% 2,3 - 55,6), a idade acima de 60 anos (OR: 4,0; IC 95% 1,0 – 16,2), a obesidade (OR: 6,6; IC 95% 1,1 – 36,7) e a disfunção endotelial (OR: 3,8; IC 95% 1,0 – 14,8) foram associados a um maior risco de fragilidade. Houve um acordo de 67% entre os critérios na identificação de pacientes frágeis. No entanto, ao comparar os dois instrumentos de avaliação de fragilidade, o nosso método foi melhor associado aos desfechos negativos. A fragilidade é frequente e precoce em pacientes com DRC em pré-diálise e se associa com resultados negativos. Distúrbio mineral ósseo e disfunção endotelial parecem ser potenciais mecanismos que associam a DRC e a fragilidade. / Frailty is characterized by a decline in physiological reserves and is manifested by losses of body weight, muscle mass, strength, and energy. It is common in the elderly, and more prevalent among patients with chronic kidney disease (CKD), even in those at younger ages. The aim of this study was to assess the prevalence of frailty in patients with CKD not yet on dialysis and the possible factors common to both syndromes, for example, endothelial dysfunction, inflammatory markers, metabolic acidosis, anemia, and low level of vitamin D. We also aimed to develop a less subjective method of assessment of frailty and compare its performance with another used in patients with CKD, regarding to negative outcomes after one year of follow-up. In this study, we evaluated cross-sectionally 61 adult patients of both sexes with CKD stages 3 to 5 not yet in dialysis. The diagnosis of CKD was based on the criteria proposed by the National Kidney Foundation Kidney Disease Outcome Quality Initiative (NKF KDOQITM). The glomerular filtration rate (GFR) was estimated from serum creatinine using the MDRD formula. The diagnosis of frailty was based as proposed by Johansen et al. (2007), measuring slowness/weakness (SF-36), poor endurance/ exhaustion (SF-36), physical inactivity, and unintentional weight loss. A total of 5 points was possible, with 2 points for weakness and slowness and 1 point for each of the other criteria. Patients scoring ≥3 were defined as frail. Our instrument differed from Johansen’s since we use handgrip for assessment of weakness and 6 minutes walking test to assess physical inactivity. The patients were divided in not frail (NF) and frail (F). Besides the lab tests, the other variables assessed were C reactive protein (CRP), interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-), endothelial function (assessed by brachial artery flow-mediated vasodilatation), bone density (DXA), vitamin D (HPLC). The mean age of the 61 patients included in this study was 60,5±11,5 years old, 41 % were female, and 43,9% were white. There was no statistical difference between the main causes of CKD in frail and not frail patients: hypertension (26.9% vs. 31.4%), diabetes mellitus (11.4% vs. 18.0%), and glomerulonephritis (20.0% vs. 14.8%). The median (interquartil interval) serum creatinine was 2,3 (1,7-3,5) mg/dL, the GFR was 23 (16-39) mL/min/1.73 m2. The frailty syndrome was diagnosed in 42.6% of the patients. Although the frail patients were older (p= 0.0009), 30.8% were younger than 60 years. The frailty patients were more likely to be women (p= 0.02), had higher fat mass (p= 0.05), more osteoporosis (p= 0.01), higher PTH (p= 0.02), lower transferrin saturation ratio (p= 0.02) and more endothelial dysfunction (p= 0.05). The construct of frailty correlated positively with age (r= 0,25, p= 0.05), fat mass (r= 0.25, p= 0.04) and PTH (r= 0.30, p= 0.01), and negatively with endothelial dysfunction (r= -0.367, p= 0.004). In the regression analysis, female sex (OR: 11,3; IC 95% 2,3 - 55,6), age >60 years (OR: 4,0; IC 95% 1,0 – 16,2), obesity (OR: 6,6; IC 95% 1,1 – 36,7), and endothelial dysfunction (OR: 3,8; IC 95% 1,0 – 14,8) correlated with the frail phenotype. There was a 67% agreement of both criteria in identifying frail patients. However, when comparing both instruments of assessment of frailty, ours correlated better with negative outcomes. Frailty is frequent and early in CKD patients not yet in dialysis, and associates with negative outcomes. Bone mineral disorders, endothelial dysfunction seems to be potential mechanisms underlying the CKD and frailty.
154

Saúde mental de pacientes com doença renal crônica e cuidadores e sua associação com alterações clínicas

Pereira, Beatriz dos Santos 29 June 2016 (has links)
Submitted by isabela.moljf@hotmail.com (isabela.moljf@hotmail.com) on 2016-08-16T13:27:51Z No. of bitstreams: 1 beatrizdossantospereira.pdf: 3704904 bytes, checksum: 30a0537d5394d6cb609a69894efa6376 (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-08-17T12:49:14Z (GMT) No. of bitstreams: 1 beatrizdossantospereira.pdf: 3704904 bytes, checksum: 30a0537d5394d6cb609a69894efa6376 (MD5) / Made available in DSpace on 2016-08-17T12:49:14Z (GMT). No. of bitstreams: 1 beatrizdossantospereira.pdf: 3704904 bytes, checksum: 30a0537d5394d6cb609a69894efa6376 (MD5) Previous issue date: 2016-06-29 / Introdução: No Brasil há um aumento da prevalência de doenças crônicas, constituindo atualmente um problema de Saúde Pública com grande demanda por parte dos serviços de saúde. Dentre estas, encontra-se a Doença Renal Crônica (DRC), com um acréscimo constante do número de pessoas em diálise, presença de altos índices de mortalidade e incapacidades crônicas. Estar em uma condição de doença crônica traz ao paciente sentimentos que, para sua elaboração, será fundamental o papel da equipe de saúde e do cuidador familiar principal. Percebe-se portanto, que assim como o paciente, a família é significativamente afetada pela DRC e por seu tratamento, pois terá que se adaptar à persistência de um quadro clínico que apresenta instabilidade e incertezas, com necessidades de cuidados permanentes, a custo de grande sobrecarga nos mais diversos aspectos de suas vidas. Nesse contexto, em que a família constitui um grupo de risco para o desenvolvimento de sintomas psicológicos (como estresse, depressão etc.), bem como de diversas enfermidades crônicas, muitas vezes provenientes da negligência com o autocuidado, se faz fundamental avaliar como ocorre a elaboração do processo de adoecimento nesse grupo, em seus mais variados aspectos, para que se possa traçar melhores estratégias de intervenção. Objetivo: avaliar a saúde mental de pacientes renais crônicos e seus cuidadores e sua associação com os sintomas de ansiedade, depressão, estresse, fadiga, suporte social e qualidade de vida, bem como com as características clínicas dos pacientes. Método: estudo transversal em 21 pacientes e seus cuidadores, no período de Janeiro a Setembro de 2015. Amostra por conveniência onde foram incluídos participantes com idade >18 anos, há no mínimo 6 meses de tratamento e cuidadores familiares. Foram avaliadas variáveis sociodemográficas, clínicas, laboratoriais e psicológicas. Realizada análise descritiva e a associação entre pacientes e cuidadores. Resultados: Dentre os pacientes foi observado 38,1% com sintomas indicativos de ansiedade e depressão. As médias de Suporte Social Prático foram de 3,15±0,77 e para Suporte Social Emocional 3,16±0,79. Com relação à Fadiga, 14,3% se declaram extremamente cansados e 14,3% declaram fazer todas as atividades que habitualmente faziam. Dos 57,1% que apresentavam estresse, 66,7% estavam na Fase de Resistência com predominância de sintomas psicológicos em 60,0% dos mesmos. O domínio Capacidade Funcional (CF) da Qualidade de Vida mostrou correlação com Hemoglobina (r=0,581, p=0,006) e pacientes não anêmicos apresentaram melhor CF (p=0,075). Nos cuidadores observou-se 33,3% com sintomas indicativos de ansiedade e depressão. No Suporte Social Prático obtiveram média de 2,88 ±0,77 e Suporte Social Emocional com 3,0±0,72. 14,3% relataram estar extremamente cansados e 28,8% afirmaram fazer quase todas as atividades que habitualmente faziam. Na comparação de ambos os grupos observa-se que apresentam resultados semelhantes quanto à presença de ansiedade e depressão e fadiga. Cuidadores recebem menos suporte social que pacientes. Ambos os grupos apresentam predominância semelhante de níveis de estresse, porém, pacientes apresentam maior predominância de sintomas psicológicos. Com relação à Qualidade de vida, nos Aspectos Sociais, Vitalidade, Saúde Mental e o grande Domínio Mental, pacientes e cuidadores apresentam resultados semelhantes. Conclui-se que a Saúde Mental de pacientes e cuidadores apresenta níveis semelhantes e ambos, no contexto da doença renal dialítica, devem obter intervenções específicas. / Introduction: To treat Chronic Kidney Disease (CKD) at the final stage, performance of Renal Replacement Therapies (RRT) is required, these require important changes in living habits and patients frequently need caregivers. These are risk groups for development of physical and psychological symptoms. Objective: evaluate predominance of anxiety, depression, stress, fatigue, social support and quality of life in patients with CKD and their caregivers. Method; cross study of 21 patients and their caregivers, during the period from January to September 2015. Sample according to convenience where patients over 18 years old were included, with at least 6 months of treatment and family member caregivers. Social, demographic, clinical, laboratory and psychological variables were evaluated. Descriptive analysis and association between patients and caregivers were performed. Results: Among patients we observed that 38.1% had symptoms that indicated anxiety and depression. Averages for Practical Social Support were 3.15±0,769 and for Emotional Social Support were 3.16±0,79. As for Fatigue, 14.3% of patients declare themselves extremely tired and 14.3% declared doing all activities they usually performed before. 57.1% presented stress, of these, 66.7% were at the Resistance Stage with predominance of psychological symptoms in 60.0%. The Quality of life domain of Functional Capacity (FC) presented a correlation with Hemoglobin (r=0.581, p=0.006) and non-anemic patients presented better FC. We observed symptoms that indicated anxiety and depression in 33.3% of caregivers. Caregivers obtained average of 2.88 ±0.77 for Practical Social Support and 3.0±0.72 for Emotional Social Support. 14.3% reported being extremely tired and 28.8% declared doing all activities they usually performed before. When comparing both groups we observed they present similar results for presence of anxiety, depression and fatigue. Caregivers receive less social support than patients. Both groups present similar predominance of stress levels, however, patients presented more predominance of psychological symptoms. For Quality of life, patients and caregivers presented similar results for Social Aspects, Vitality, Mental Health and the great Mental Domain. We concluded that Mental Health of patients and caregivers presents similar levels and both, within the context of dialysis renal disease must undergo specific interventions.
155

O rim na síndrome metabólica

Ezequiel, Danielle Guedes Andrade 06 February 2009 (has links)
Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-04-03T14:07:47Z No. of bitstreams: 1 danielleguedesandradeezequiel.pdf: 435681 bytes, checksum: f1943522caa7a0bc8f2ee88014392b8c (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-04-03T19:02:04Z (GMT) No. of bitstreams: 1 danielleguedesandradeezequiel.pdf: 435681 bytes, checksum: f1943522caa7a0bc8f2ee88014392b8c (MD5) / Made available in DSpace on 2017-04-03T19:02:04Z (GMT). No. of bitstreams: 1 danielleguedesandradeezequiel.pdf: 435681 bytes, checksum: f1943522caa7a0bc8f2ee88014392b8c (MD5) Previous issue date: 2009-02-06 / Introdução: A influência da síndrome metabólica sobre a hemodinâmica renal de pacientes não diabéticos tem sido pouco estudada. Objetivos: O presente estudo teve como objetivo avaliar parâmetros metabólicos e renais em portadores de síndrome metabólica antes e após perda ponderal. Material e métodos: Foram avaliados 35 indivíduos portadores de SM, antes e após três meses de prescrição de dieta hipocalórica, visando redução mínima de 5% do peso corporal. No período basal, bem como após o período de dieta, foram avaliados: glicose de jejum e 2 horas após 75 g de glicose, insulina, ácido úrico e perfil lipídico. Dentre os parâmetros renais foram avaliadas a microalbuminúria e a depuração de creatinina antes e após sobrecarga protéica aguda para avaliação da reserva funcional renal. Resultados: Foram constituídos dois grupos: pacientes que atingiram a meta de perda de peso (grupo respondedor, n=14) e pacientes que não perderam peso (grupo não respondedor, n=21). No grupo respondedor, houve redução da microalbuminúria de 109±123,2 mg/24h (mediana=163 mg/24h) para 10±6,1 mg/24 h (mediana=11 mg/24h), no período basal e após perda de peso, respectivamente (p=0,01). No período basal, a depuração da creatinina foi 122±66,5 ml/min e 117±45,0 ml/min, antes e após sobrecarga protéica aguda (p=0,443). Após perda de peso, estes valores foram 93±35,6 ml/min e 96±41,7ml/min, antes e após sobrecarga protéica aguda, respectivamente (p=0,776). Após perda de peso, além da redução da depuração da creatinina (122±66,5 ml/min vs 93±35,6 ml/min (p=0,001), foram observados aumento dos níveis de HDL colesterol de 43±11,7 para 52±10,8 (p=0,039), redução dos níveis de triglicérides de 189±79,4 mg/dl para 142±77,8 mg/dl (p=0,031), dos níveis de ácido úrico de 5±1,2 mg/dl para 4 ± 1,1 mg/dl (p=0,057) e do HOMA-IR, de 3,0±2,12 para 1,6±0,66, respectivamente (p=0,057). No grupo não respondedor, a microalbuminúria foi de 78±79 mg/24 h (mediana=174 mg/24 h) e 78±86 mg/24 h (mediana=97 mg/24 h), no período basal e após três meses (p=0,99). A depuração da creatinina no período basal foi 102±29,9 ml/min e 96±24,2ml/min, antes e após sobrecarga protéica aguda, respectivamente (p=0,125). Após intervenção, a depuração da creatinina antes e após sobrecarga protéica aguda foi 98±31,8 ml/min e 86±31,1 ml/min, respectivamente (p=0,355). De modo oposto ao grupo respondedor, neste grupo a depuração da creatinina não se modificou ao longo do estudo (102±29,9 ml/min vs 98±31,8 ml/min) (p=0,95). Da mesma forma, os parâmetros metabólicos como HDL colesterol (43±8,4 vs 41±9,8 mg/dl), triglicérides (206±98,0 vs 224±140,5 mg/dl), ácido úrico (5±0,9 vs 5±1,2 mg/dl) e HOMA-IR (3,4±2,8 vs 2,3±2,6) foram semelhantes no período basal e após três meses. Conclusão: Na mostra estudada, indivíduos não diabéticos portadores de síndrome metabólica apresentavam elevada prevalência de microalbuminúria e hiperfiltração glomerular, alterações estas atenuadas pela perda ponderal. / Introduction: Studies concerning the influence of the metabolic syndrome on renal hemodynamics in non-diabetic patients are scarce. Objectives: The objective of this study was to evaluate metabolic and renal parameters in patients with metabolic syndrome before and after weight loss. Material and methods: Thirty five patients with metabolic syndrome were evaluated before and after 3 months on a hypocaloric diet in order to achieve at least 5% of body weight loss. At baseline as well as after 3 months on diet, samples for fasting glucose, glucose 2 hours after a 75g oral glucose load, insulin, uric acid and lipid profile were collected. Among renal parameters, microalbuminuria and creatinine clearance were measured before and after acute protein overload to estimate the renal functional reserve. Results: Two groups were constituted: patients that reached the goal of weight loss (responder group, n=14) and patient that did not lose weight (non-responder group, n=22). In the responder group, there was reduction of the microalbuminuria from 109±123.2 mg/24h (median=163 mg/24h) to 10±6.1 mg/24 h (median=10.4 mg/24h), in the basal period and after weight loss, respectively (p=0.01). The creatinine clearance was 122±66.5 ml/min, in the basal period and 117±45.0ml/min, after acute protein overload (p=0.443). After weight loss, these values were 93±35.6 ml/min and 96±41.7ml/min, before and after acute protein overload, respectively (p=0.776). After weight loss besides the significant reduction on basal creatinine clearance (122±66.5 ml/min vs 93±35.6 ml/min) (p=0.001), there were increase in HDL cholesterol levels from 42.8±11.7 to 51.8±10.8 (p=0.039), and reduction in triglycerides levels from 189±79.4 mg/dl to 142±77.8 mg/dl (p=0.031), uric acid from 5±1.2 mg/dl to 4±1.1 mg/dl (p=0.057) and HOMA-IR, from 3.0±2.1 to 1.6±0.7, in the baseline and after weight loss, respectively (p=0.057). In the non-responder group, microalbuminuria was 78±79 mg/24 h (median=174 mg/24 h) and 78±86 mg/24 h (median=97 mg/24 h), in the baseline and after three months (p=0.99). The baseline creatinine clearance was 102±29.9 ml/min and 96±24.2ml/min (p=0.125) before and after acute protein overload, respectively. After 3 months, creatinine clearance before and after acute protein overload were 98±31.8 ml/min and 86±31.1 ml/min, respectively (p=0.355). Differently from responders, in non-responders group, the baseline creatinine clearance did not modify throughout the study (102±29.9 ml/min vs 98±31.8 ml/min) (p=0.95). In the same way, the metabolic parameters, HDL cholesterol (43±8.4 vs. 41±9.8 mg/dl), triglycerides (206±98.0 vs. 224±140.5 mg/dl), uric acid (5±0.9 vs. 5±1.2 mg/dl) and HOMA-IR (3.4±2.8 vs. 2.3±2.6) were similar at the baseline and after 3 months on hypocaloric diet. Conclusion: Non-diabetic individuals with metabolic syndrome presented high prevalence of microalbuminuria and glomerular hyperfiltration, which were attenuated by weight loss.
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Rastreamento da doença renal crônica: validação do questionário “Scored" nomograma para estimativa da taxa de filtração glomerular e avaliação dos marcadores funcional e de lesão do parênquima renal

Magacho, Edson José de Carvalho 24 April 2014 (has links)
Submitted by isabela.moljf@hotmail.com (isabela.moljf@hotmail.com) on 2017-08-11T13:00:25Z No. of bitstreams: 1 edsonjosedecarvalhomagacho.pdf: 1270417 bytes, checksum: 31d136c0dff33a402802624129e69c27 (MD5) / Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-08-11T13:02:58Z (GMT) No. of bitstreams: 1 edsonjosedecarvalhomagacho.pdf: 1270417 bytes, checksum: 31d136c0dff33a402802624129e69c27 (MD5) / Made available in DSpace on 2017-08-11T13:02:58Z (GMT). No. of bitstreams: 1 edsonjosedecarvalhomagacho.pdf: 1270417 bytes, checksum: 31d136c0dff33a402802624129e69c27 (MD5) Previous issue date: 2014-04-24 / FAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais / Fatores desencadeantes da Doença Renal Crônica (DRC), como hipertensão e diabetes principalmente, apresentam aumento de prevalência à medida que a população envelhece. Como desconhecemos a prevalência da DRC na pré-diálise na população brasileira e Bang e cols. propuseram um método para rastrear a DRC denominado Tabela Screening For Ocult Renal Disease (Scored), o objetivo do estudo foi validar a tabela Scored no Brasil. Trata-se de um estudo transversal cuja amostra foi de 600 servidores da Universidade Federal de Juiz de Fora (UFJF) preferencialmente. Foram coletados dados sociodemográficos, realizados exames físicos, exames de urina e sangue e os entrevistados responderam à Tabela Scored. Para determinação da presença da DRC, foram considerados os critérios de filtração glomerular (FG) < 60mL/min/1,73m2 e/ou presença de proteinúria/microalbuminúria como marcador de lesão renal identificados em um intervalo mínimo de 90 dias, como proposto pelo grupo de trabalho Kidney Disease Outcomes Quality Iniciative (K/DOQI), apoiado pela National Kidney Foundation (NKF) americana. Para validação do questionário original, foi calculada a sensibilidade, a especificidade, a acurácia, valores preditivos positivo (VPP) e negativo (VPN). O questionário Scored apresentou sensibilidade de 80%, especificidade de 65%, VPP de 14%, VPN de 97% e acurácia de 66%. A DRC foi diagnosticada pelo critério de filtração glomerular estimada < 60mL/min/1,73m2 (8,8%), por relação albumina creatinina alterada (5%) e por presença de hematúria glomerular (16,3%) no primeiro exame, tendo se confirmado no segundo exame por filtração glomerular estimada < 60mL/min/1,73m2 (3,5%), por relação albumina creatinina alterada (3%) e por presença de hematúria glomerular (9,5%). As etapas cumpridas no processo de adaptação transcultural permitiram desenvolver a versão brasileira do questionário Scored, de fácil compreensão, aceitação e de baixíssimo custo, e poderá constituir importante instrumento de rastreio de pessoas com chance de apresentar DRC. Na avaliação laboratorial da DRC, a repetição dos exames para estimativa da FG, pesquisa de proteinúria/microalbuminúria e hematúria glomerular se mostrou fundamental para conclusão diagnóstica, principalmente este último que apresentou percentuais importantes de confirmação. / Triggering factors of Chronic Kidney Disease (CKD), such as hypertension and diabetes mostly, present an increase in the prevalence as the population ages. We are unaware of the prevalence of CKD in the pre-dialysis of the Brazilian population and Bang and Cols proposed a method to track the DRC called SCORED system (Screening For Occult Renal Disease). The aim of the study was to validate the Scored table in Brazil. This is a cross-sectional study which sampled 600 employees of the Universidade Federal de Juiz de Fora (UFJF), preferably. Socio-demographic data were collected, physical examinations, urine and blood were performed and those interviewed answered the Scored Table. To determine the presence of CKD were considered the Glomerular Filtration Rates (GFR) 60mL/min/1,73m2 and also the presence of proteinuria / microalbuminuria as a marker of kidney damage identified at a interval of at least 90 days, as proposed by the working group Kidney Disease Outcomes Quality Initiative (K / DOQI), supported by the american National Kidney Foundation (NKF). For the validation of the original questionnaire, the sensitivity, specificity, and accuracy were calculated, as well as the positive predictive values (PPV) and negative predictive values (NPV). The Scored questionnaire showed a sensitivity of 80%, specificity of 65%, PPV 14%, NPV 97% and an accuracy of 66%. CKD was diagnosed according to the criteria of estimate glomerular filtration rate < 60mL/min/1,73m2 (8,8%), by the relation of amended albumin creatinine (5%) and by the presence of glomerular hematuria (16.3%) at the first examination, being confirmed in the second examination by estimate glomerular filtration rate of 60mL/min/1,73m2 (3,5%), by the relation of amended albumin creatinine (3%) and by the presence of glomerular hematuria. The steps taken in the cross-cultural adaptation process allowed the development of the Brazilian version of the Scored questionnaire, easy to understand, with good acceptance and very low cost, this may constitute an important screening tool for people with chance of having CKD. As for the laboratory evaluation of CKD, repeating the exams to estimate the GF, the search for proteinuria / microalbuminuria and glomerular hematuria proved fundamental to the diagnostic conclusion, especially this latter, which showed significant percentage of confirmation.
157

Upplevelser av att leva med hemodialys vid kronisk njursvikt : Ett patientperspektiv / Experiences of living with haemodialysis with chronic kidney disease : A patient perspective

Ejdebäck, Tobias, Gustavsson, Olof January 2018 (has links)
Bakgrund: Kronisk njursvikt är ett tillstånd som i senare stadium kräver dialysbehandling. Hemodialys är den mest förekommande typen av dialysbehandling och den sker vanligtvis på en sjukhusavdelning. Hemodialys medför olika komplikationer och biverkningar som kan upplevas jobbiga för patienten. Utöver biverkningar får patienten också vätske- och dietrestriktioner. Dessa faktorer påverkar patiens dagliga liv. Syfte: Syftet är att beskriva patienters upplevelser av att leva med hemodialys vid kronisk njursvikt. Metod: Metoden som använts är en litteraturbaserad studie. Resultat: Resultatet presenteras genom tre huvudkategorier. Patienter beskriver skilda upplevelser av hur hemodialys påverkas kroppen, både till det positiva och negativa. Under behandling uppkommer existentiella tankar och känslor som relaterar till den egna dödligheten. Patienter beskriver att de söker stöd hos både anhöriga och hos vårdpersonal men att det kan vara svårt att diskutera existentiella tankar. Konklusion: Hemodialysbehandlingen har en begränsand effekt på patienters liv, de upplever en ökad känsla av ensamhet. En central faktor för att patienter ska kunna finna stöd är att de känner tillit och trygghet i personalen som vårdar dem. / Background: Chronic kidney disease in later stages demands dialysis-treatment. Haemodialysis is the most common type of dialysis and is usually performed at a hospital ward. Haemodialysis brings different complications and side effects that can be perceived tough for patients. Beyond the side effects the patients also receives fluid and diet restrictions. These factors affects the patient’s everyday life. Aim: The aim is to describe patients, with chronic kidney disease, experiences of living with haemodialysis. Method: The method of choice is a literature-based study. Result: The result is presented in three main categories. Patients describes different experiences of how haemodialysis affects the body, both positive and negative. During the treatment different existential thoughts and feelings related to the own mortality appears. Patients describes that they seek support with both related and health personnel but that it can be tough to talk about existential thoughts. Conclusion: Haemodialysis treatment had a limiting effect on patient’s life, they experience an increased feeling of loneliness. A central factor for patients to be able to find support was that they feel reliance and trust in health personnel.
158

Risk Factors for Heart Failure in Patients With Chronic Kidney Disease: The CRIC (Chronic Renal Insufficiency Cohort) Study

He, Jiang, Shlipak, Michael, Anderson, Amanda, Roy, Jason A., Feldman, Harold I., Kallem, Radhakrishna Reddy, Kanthety, Radhika, Kusek, John W., Ojo, Akinlolu, Rahman, Mahboob, Ricardo, Ana C., Soliman, Elsayed Z., Wolf, Myles, Zhang, Xiaoming, Raj, Dominic, Hamm, Lee 17 May 2017 (has links)
Background-Heart failure is common in patients with chronic kidney disease. We studied risk factors for incident heart failure among 3557 participants in the CRIC (Chronic Renal Insufficiency Cohort) Study. Methods and Results-Kidney function was assessed by estimated glomerular filtration rate (eGFR) using serum creatinine, cystatin C, or both, and 24-hour urine albumin excretion. During an average of 6.3 years of follow-up, 452 participants developed incident heart failure. After adjustment for age, sex, race, and clinical site, hazard ratio (95% CI) for heart failure associated with 1 SD lower creatinine-based eGFR was 1.67 (1.49, 1.89), 1 SD lower cystatin C-based-eGFR was 2.43 (2.10, 2.80), and 1 SD higher log-albuminuria was 1.65 (1.53, 1.78), all P< 0.001. When all 3 kidney function measures were simultaneously included in the model, lower cystatin C-based eGFR and higher log-albuminuria remained significantly and directly associated with incidence of heart failure. After adjusting for eGFR, albuminuria, and other traditional cardiovascular risk factors, anemia (1.37, 95% CI 1.09, 1.72, P= 0.006), insulin resistance (1.16, 95% CI 1.04, 1.28, P= 0.006), hemoglobin A1c (1.27, 95% CI 1.14, 1.41, P< 0.001), interleukin-6 (1.15, 95% CI 1.05, 1.25, P= 0.002), and tumor necrosis factor-a (1.10, 95% CI 1.00, 1.21, P= 0.05) were all significantly and directly associated with incidence of heart failure. Conclusions-Our study indicates that cystatin C-based eGFR and albuminuria are better predictors for risk of heart failure compared to creatinine-based eGFR. Furthermore, anemia, insulin resistance, inflammation, and poor glycemic control are independent risk factors for the development of heart failure among patients with chronic kidney disease.
159

Acute Kidney Injury and Chronic Kidney Disease

Wei, Jin 04 April 2017 (has links)
Ischemia and reperfusion are natural steps during kidney transplantation, and IRI is considered one of the most important nonspecific factors affecting allograft dysfunction. Transplanted organs experience several episodes of ischemia, in which cold ischemia occurs during allograft storage in preservation solutions. Even though cold ischemia has been studied extensively, all of the studies have been carried out in vitro and ex vivo models. There is no in vivo model available to examine renal IRI induced solely by cold ischemia. In the present study, we developed an in vivo mouse model to study renal IRI induced exclusively by cold ischemia through clamping the renal pedicle for 1 to 5 hours. During the ischemic phase, blood was flushed from the kidney with cold saline through a small opening on the renal vein. The kidney was kept cold in a kidney cup with circulating cooled saline, while the body temperature was maintained at 37℃ during the experiment. The level of kidney injury was evaluated by plasma creatinine, KIM-1, NAGL, GFR, and histology. Plasma creatinine was significantly increased from 0.15±0.04 mg/dl in the sham group to 1.14±0.21 and 2.65±0.14 mg/dl in 4 and 5-hours ischemia groups at 24 hours after cold IRI. The plasma creatinine in mice with ischemic time <3 hours demonstrated no significant increase compared with sham mice. Changes in KIM-1, NAGL, GFR and histology were similar to plasma creatinine. 65 In summary, we developed and characterized a novel in vivo IRI-induced AKI mouse model exclusively produced by cold ischemia.
160

Factores asociados a mala calidad de sueño en pacientes con insuficiencia renal crónica en hemodiálisis

Peña Martínez Juana, Oshiro Bernuy, Harumi, Navarro Sarmiento, Veronica Claudia 27 January 2015 (has links)
Introducción y objetivos Los trastornos del sueño son una de las comorbilidades más comunes en pacientes en hemodiálisis. Los objetivos del estudio fueron determinar la prevalencia de mala calidad de sueño y establecer potenciales factores asociados a la mala calidad de sueño. Materiales y métodos Estudio transversal analítico enrolando pacientes con enfermedad renal crónica en hemodiálisis. La variable resultado fue calidad de sueño evaluado mediante la Escala de Pittsburgh, mientras que las variables de exposición fueron el tiempo en hemodiálisis, la historia de diabetes mellitus tipo 2 y de hipertensión arterial, la presencia de sintomatología depresiva, la presencia de anemia y el compromiso urémico. Se usó el modelo de regresión de Poisson para verificar las asociaciones de interés reportándose razones de prevalencia (RP) e intervalos de confianza al 95% (IC95%). Resultados Fueron enrolados un total de 450 pacientes, de los cuales, 259 (57.5%) fueron varones, y con una edad entre 18 y 97 años. La prevalencia de mala calidad de sueño fue de 79.3% (IC95%: 75.6%–83.1%). Se encontró asociación significativa entre mala calidad de sueño y sintomatología depresiva (RP=1.28; IC95%: 1.17-1.39), anemia (RP=1.18; IC95%: 1.04-1.34) y compromiso urémico (RP=1.26; IC95%: 1.17-1.36) después de controlar por potenciales confusores. Conclusiones La presencia de sintomatología depresiva, anemia y el compromiso urémico estuvieron positivamente asociados a mala calidad de sueño en pacientes con enfermedad renal crónica en hemodiálisis. Un gran porcentaje de esta población sufre de mala calidad de sueño. Se sugiere desarrollar estrategias para mejorar la calidad de sueño en estos pacientes. / Introduction and objectives Sleep disorders are one of the most common comorbidities among patients on hemodialysis. The aims of this study were to determine the prevalence of poor sleep quality as well as to establish potential factors associated with poor sleep quality. Materials and Methods A cross-sectional study was performed enrolling patients with chronic kidney disease on hemodialysis. The outcome was sleep quality evaluated using the Pittsburgh Scale, whereas the exposure variables were time on hemodialysis, history of type-2 diabetes and hypertension, depressive symptoms, anemia, and uremia. We used Poisson regression model to determine the association of interest, reporting prevalence ratios (PR) and 95% confidence intervals (95%CI). Results A total of 450 patients were enrolled, 259 (57.5%) were male, aged from 18 to 97 years. The prevalence of poor sleep quality was 79.3% (95%CI: 75.6%– 83.1%). Poor sleep quality was associated with depressive symptoms (PR=1.28; 95%CI: 1.17-1.39), anemia (PR=1.18; 95%CI: 1.04-1.34) and uremia (PR=1.26; 95%CI: 1.17-1.36) after controlling for potential confounders. Conclusions The presence of depressive symptoms, anemia and uremia were positively associated with poor sleep quality among patients with chronic kidney disease on hemodialysis. A great proportion of this population had poor sleep quality. Strategies are needed to improve sleep quality in these patients.

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