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1.
Clin Transplant ; 33(8): e13635, 2019 08.
Artigo em Inglês | MEDLINE | ID: mdl-31206202

RESUMO

The role of the calcium channel blocker (verapamil) in kidney transplant is controversial. Verapamil has been hypothesized to mitigate ischemia reperfusion injury (IRI) to the allograft. Herein, we evaluated the effect of intra-operative verapamil administration in a large cohort of kidney transplants. Total 684 transplants were performed during 2007-2017. Of these, 348 (50.9%) transplants received verapamil (2.5 mg) Ver (+), and 336 (49.1%) did not, Ver (-). Based on the donor type, the study was divided into three groups; living donor (LD) (N = 270), neurological determination of death (NDD) (N = 394), and donation after cardiac death (DCD) (N = 20). Ver (-) subgroup had more diabetic recipients as compared to Ver (+) subgroup in LD and NDD groups (P < 0.05). No significant difference was found for delayed graft function in any of the group (P > 0.05). Cold ischemia time and dialysis requirement were significantly higher in Ver (+) LD and NDD groups, respectively. Except for DCD group, there was no significant difference in eGFR (mL/min) immediately and 6 months after kidney transplant in any of the groups. Furthermore, univariate and multivariate logistic regression analysis was performed to account for potential confounders, but verapamil administration did not improve graft function in any of the groups (P > 0.05) after transplant.


Assuntos
Função Retardada do Enxerto/prevenção & controle , Cuidados Intraoperatórios , Transplante de Rim/métodos , Traumatismo por Reperfusão/tratamento farmacológico , Doadores de Tecidos/provisão & distribuição , Obtenção de Tecidos e Órgãos/métodos , Verapamil/administração & dosagem , Morte Encefálica , Bloqueadores dos Canais de Cálcio/administração & dosagem , Isquemia Fria , Feminino , Seguimentos , Humanos , Doadores Vivos/provisão & distribuição , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Retrospectivos
2.
IJU Case Rep ; 2(2): 86-89, 2019 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32743381

RESUMO

INTRODUCTION: Anastomotic pseudoaneurysm is one of the rarest vascular complications after renal transplant surgery. Therapeutic options include open surgical repair or endovascular stenting. CASE PRESENTATION: Case 1 had pseudoaneurysm involving external iliac artery and was managed by jump graft to allograft using cadaveric donor iliac arteries and patch angioplasty repair of external iliac artery after excising pseudoaneurysm. Case 2 had undergone orthotopic renal transplant with spleno-renal arterial anastomosis and developed a massive pseudoaneurysm proximal to spleno-renal arterial anastomosis. This patient underwent endovascular stenting preserving allograft vascularity and graft function. Outcome in both patients was successful with normalization of renal function to baseline levels. CONCLUSION: Treatment of renal transplant anastomotic pseudoaneurysms is difficult and associated with high rates of graft loss. Open surgery is the gold standard providing several possibilities for arterial reconstruction preserving graft and limb circulation. Endovascular treatment should be considered in high-risk surgical patients with favorable anatomy.

3.
J Urol ; 182(1): 85-92; discussion 93, 2009 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-19447413

RESUMO

PURPOSE: We determined the associations between comorbidity, and overall survival and bladder cancer specific survival after radical cystectomy. MATERIALS AND METHODS: The Alberta Urology Institute Radical Cystectomy database is an ongoing multi-institutional computerized database containing data on all adult patients with a diagnosis of primary bladder cancer treated with radical cystectomy in Edmonton, Canada from April 1994 forward. The current study is an analysis of consecutive database patients treated between April 1994 and September 2007. Comorbidity information was obtained through a medical record review using the Adult Comorbidity Evaluation 27 instrument. The outcome measures were overall survival and bladder cancer specific survival. Cox proportional regression analysis was used to determine the associations between comorbidity, and overall survival and bladder cancer specific survival. RESULTS: Of the database patients 160 (34%), 225 (48%) and 83 (18%) had no/mild comorbidity, moderate comorbidity and severe comorbidity, respectively. Compared to patients with no or mild comorbidity, multivariate Cox proportional regression analyses that included age, adjuvant chemotherapy, surgeon procedure volume, pathological T stage, pathological lymph node status, total number of lymph nodes removed, surgical margin status and lymphovascular invasion showed that increased comorbidity was independently associated with overall survival (moderate HR 1.59, 95% CI 1.16-2.18, p = 0.004; severe HR 1.83, 95% CI 1.22-2.72, p = 0.003) and bladder cancer specific survival (moderate HR 1.50, 95% CI 1.04-2.15, p = 0.028; severe HR 1.65, 95% CI 1.04-2.62, p = 0.034). CONCLUSIONS: Increased comorbidity was independently associated with an increased risk of overall mortality and bladder cancer specific mortality after radical cystectomy.


Assuntos
Causas de Morte , Comorbidade , Cistectomia/métodos , Invasividade Neoplásica/patologia , Neoplasias da Bexiga Urinária/mortalidade , Neoplasias da Bexiga Urinária/cirurgia , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Alberta , Análise de Variância , Estudos de Coortes , Intervalos de Confiança , Cistectomia/mortalidade , Bases de Dados Factuais , Feminino , Seguimentos , Humanos , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Probabilidade , Modelos de Riscos Proporcionais , Estudos Retrospectivos , Medição de Risco , Fatores Sexuais , Sociedades Médicas , Estatísticas não Paramétricas , Análise de Sobrevida , Fatores de Tempo , Resultado do Tratamento , Neoplasias da Bexiga Urinária/patologia
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