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      Diabetes and end-stage renal disease; a review article on new concepts

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          Abstract

          It is well established that diabetic nephropathy is the most common cause or in combination with hypertensive nephropathy are the most common causes of end-stage renal disease (ESRD) in developed and developing countries. For this review, we used a variety of sources by searching through PubMed, Embase, Scopus, Current Content and Iran Medex from January 1990 up to December 2014. Manuscripts published in English and Persian languages, as full-text articles, and or as abstract were included in the study. Patient survival in diabetics on maintenance renal replacement therapy including hemodialysis (HD), peritoneal dialysis (PD) and kidney transplantation is significantly lower than that seen in nondiabetics with ESRD. The poor prognosis of diabetic patients with ESRD is partly due to presence of significant cardiovascular disease, problems with vascular access, more susceptible to infections, foot ulcer, and hemodynamic instability during HD. Although, many complications related to kidney transplantation may occur in diabetic ESRD patients, multiple studies have found that the kidney transplantation is the preferred renal replacement therapy for diabetic patients with ESRD and it is associated with a much better survival and quality of life than dialysis among these patients.

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          Most cited references39

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          Hemodialysis-associated hypotension as an independent risk factor for two-year mortality in hemodialysis patients.

          The relationship between blood pressure (BP) and mortality in hemodialysis patients has remained controversial. Some studies suggested that a lower pre- or postdialysis BP was associated with excess mortality, while others showed poorer outcome in patients with uncontrolled hypertension. We conducted a multicenter prospective cohort study to evaluate the impact of hemodialysis-associated hypotension on mortality. We recruited 1244 patients (685 males; mean age, 60 +/- 13 years) who underwent hemodialysis in 28 units during the two-year study period beginning in December 1999. Pre-, intra-, and postdialysis BP, and BP upon standing soon after hemodialysis, were measured in all patients at entry. Logistic regression analysis was used to assess the effect on mortality of pre-, intra-, and postdialysis BP, a fall in BP during hemodialysis, and a fall in BP upon standing soon after hemodialysis. During the study period, 149 patients died. Logistic models identified the lowest intradialysis systolic blood pressure (SBP) and degree of fall in SBP upon standing soon after hemodialysis as significant factors affecting mortality, but not pre- or postdialysis SBP and diastolic BP. The adjusted odds ratio for death was 0.79 (95% CI 0.64-0.98) when the lowest intradialysis SBP was analyzed in increments of 20 mm Hg, and was 0.82 (95% CI 0.67-0.98) when the fall in SBP upon standing soon after hemodialysis was analyzed in increments of 10 mm Hg. These results suggest that intradialysis hypotension and orthostatic hypotension after hemodialysis are significant and independent factors affecting mortality in hemodialysis patients.
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            End-stage renal failure in type 2 diabetes: A medical catastrophe of worldwide dimensions.

            The incidence of patients with end-stage renal failure and diabetes mellitus type 2 as a comorbid condition has increased progressively in the past decades, first in the United States and Japan, but subsequently in all countries with a western lifestyle. Although there are explanations for this increase, the major factor is presumably diminishing mortality from hypertension and cardiovascular causes, so that patients survive long enough to develop nephropathy and end-stage renal failure. This review summarizes the striking differences between countries against the background of a similar tendency of an increasing incidence in all countries. Survival on renal replacement therapy continues to be substantially worse for patients with type 2 diabetes. A major reason for this observation is that patients enter renal replacement programs with cardiovascular morbidity acquired in the preterminal phase of renal failure. It is argued that the challenge for the future will be better patient management in earlier phases of diabetic nephropathy to attenuate or prevent progression, as well as cardiovascular complications.
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              Effect of waiting time on renal transplant outcome.

              Numerous factors are known to impact on patient survival after renal transplantation. Recent studies have confirmed a survival advantage for renal transplant patients over those waiting on dialysis. We aimed to investigate the hypothesis that longer waiting times are more deleterious than shorter waiting times, that is, to detect a "dose effect" for waiting time. We analyzed 73,103 primary adult renal transplants registered at the United States Renal Data System Registry from 1988 to 1997 for the primary endpoints of death with functioning graft and death-censored graft failure by Cox proportional hazard models. All models were corrected for donor and recipient demographics and other factors known to affect outcome after kidney transplantation. A longer waiting time on dialysis is a significant risk factor for death-censored graft survival and patient death with functioning graft after renal transplantation (P < 0.001 each). Relative to preemptive transplants, waiting times of 6 to 12 months, 12 to 24 months, 24 to 36, 36 to 48, and over 48 months confer a 21, 28, 41, 53, and 72% increase in mortality risk after transplantation, respectively. Relative to preemptive transplants, waiting times of 0 to 6 months, 6 to 12 months, 12 to 24 months, and over 24 months confer a 17, 37, 55, and 68% increase in risk for death-censored graft loss after transplantation, respectively. Longer waiting times on dialysis negatively impact on post-transplant graft and patient survival. These data strongly support the hypothesis that patients who reach end-stage renal disease should receive a renal transplant as early as possible in order to enhance their chances of long-term survival.
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                Author and article information

                Journal
                J Renal Inj Prev
                J Renal Inj Prev
                J Renal Inj Prev
                JRIP
                Journal of Renal Injury Prevention
                Nickan Research Institute
                2345-2781
                2015
                01 June 2015
                : 4
                : 2
                : 28-33
                Affiliations
                1Diabetes Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
                2Chronic Renal Failure Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
                Author notes
                [* ] Corresponding author: Seyed Seifollah Beladi Mousavi, Chronic Renal Failure Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. Beladimusavi@ 123456yahoo.com
                Article
                10.12861/jrip.2015.07
                4459725
                26060834
                9384e238-d9f1-4ccd-86d7-49b5f4a75dcc
                Copyright © 2015 The Author(s); Published by Nickan Research Institute

                This is an open-access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 07 May 2014
                : 28 May 2014
                Page count
                References: 46, Pages: 6
                Categories
                Review

                diabetic nephropathy,end-stage renal disease,renal replacement therapy,hemodialysis

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