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Left atrial diameter and survival among renal allograft recipients

Kainz, Alexander ; Goliasch, Georg ; Wiesbauer, Franz ; Binder, Thomas ; Maurer, Gerald ; Nesser, Hans-Joachim ; Mascherbauer, Regina ; Ebner, Christian ; Kramar, Reinhard ; Wilflingseder, Julia ; Oberbauer, Rainer

Clinical journal of the American Society of Nephrology : CJASN, December 2013, Vol.8(12), pp.2100-5 [Periódico revisado por pares]

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  • Título:
    Left atrial diameter and survival among renal allograft recipients
  • Autor: Kainz, Alexander ; Goliasch, Georg ; Wiesbauer, Franz ; Binder, Thomas ; Maurer, Gerald ; Nesser, Hans-Joachim ; Mascherbauer, Regina ; Ebner, Christian ; Kramar, Reinhard ; Wilflingseder, Julia ; Oberbauer, Rainer
  • Assuntos: Kidney Transplantation ; Cardiomegaly -- Diagnostic Imaging ; Heart Atria -- Diagnostic Imaging ; Kidney Failure, Chronic -- Surgery
  • É parte de: Clinical journal of the American Society of Nephrology : CJASN, December 2013, Vol.8(12), pp.2100-5
  • Descrição: Sequential echocardiography is routinely performed in patients with ESRD listed for transplantation. The benefit of this labor- and time-intensive measure, however, remains unclear. Thus, this study elucidated the various obtained routine echocardiography parameters that best predicted mortality and graft survival after renal transplantation. This study investigated 553 first renal transplant recipients listed in the Austrian Dialysis and Transplant Registry between 1992 and 2011 who had echocardiographic analysis at transplantation and survived at least 1 year. Cox proportional hazards models with the purposeful selection algorithms for covariables were used to identify predictors of mortality and graft loss. A Fine and Gray model was used to evaluate cause-specific death. During a median follow-up of 7.14 years, 81 patients died, and 59 patients experienced graft loss after the first year. The Kaplan-Meier analysis showed that 85% of patients with a left atrial diameter below the median of 53 mm were alive 10 years after transplantation, whereas only 70% of those patients with a left atrial diameter equal to or above the median had survived (P<0.001). In the multivariable model, left atrial diameter (per millimeter) independently predicted overall mortality (hazard ratio, 1.06; 95% confidence interval, 1.03 to 1.08; P<0.001) and cause-specific cardiac death (hazard ratio, 1.04; 95% confidence interval, 1.00 to 1.08; P=0.04). Functional graft loss was predicted by the right atrial diameter (hazard ratio, 1.04; 95% confidence interval, 1.02 to 1.07; P=0.001). The left atrial diameter determined at transplantation predicted overall and cardiac mortality. Patients with widely enlarged left atria exhibit a considerably reduced life expectancy. It remains to be determined, however, whether renal transplantation is futile in these patients.
  • Idioma: Inglês

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