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lüll Autogenous versus prosthetic vascular access for hemodialysis: a systematic review and meta-analysis Murad MH; Elamin MB; Sidawy AN; Malaga G; Rizvi AZ; Flynn DN; Casey ET; McCausland FR; McGrath MM; Vo DH; El-Zoghby Z; Duncan AA; Tracz MJ; Erwin PJ; Montori VMJ Vasc Surg 2008[Nov]; 48 (5 Suppl): 34S-47SOBJECTIVES: The autogenous arteriovenous access for chronic hemodialysis is recommended over the prosthetic access because of its longer lifespan. However, more than half of the United States dialysis patients receive a prosthetic access. We conducted a systematic review to summarize the best available evidence comparing the two accesses types in terms of patient-important outcomes. METHODS: We searched electronic databases (MEDLINE, EMBASE, Cochrane CENTRAL, Web of Science and SCOPUS) and included randomized controlled trials and controlled cohort studies. We pooled data for each outcome using a random effects model to estimate the relative risk (RR) and its associated 95% confidence interval (CI). We estimated inconsistency caused by true differences between studies using the I(2) statistic. RESULTS: Eighty-three studies, of which 80 were nonrandomized, met eligibility criteria. Compared with the prosthetic access, the autogenous access was associated with a significant reduction in the risk of death (RR, 0.76; 95% CI, 0.67-0.86; I(2) = 48%, 27 studies) and access infection (RR, 0.18; 95% CI, 0.11-0.31; I(2) = 93%, 43 studies), and a nonsignificant reduction in the risk of postoperative complications (hematoma, bleeding, pseudoaneurysm and steal syndrome, RR 0.73; 95% CI, 0.48-1.16; I(2) = 65%, 31 studies) and length of hospitalization (pooled weighted mean difference -3.8 days; 95% CI, -7.8 to 0.2; P = .06). The autogenous access also had better primary and secondary patency at 12 and 36 months. CONCLUSION: Low-quality evidence from inconsistent studies with limited protection against bias shows that autogenous access for chronic hemodialysis is superior to prosthetic access.|*Blood Vessel Prosthesis[MESH]|Arteriovenous Shunt, Surgical/*instrumentation[MESH]|Humans[MESH]|Renal Dialysis/*methods[MESH]|Transplantation, Autologous[MESH] |