Jehad Almasri1, Mouaz Alsawas1, Maria Mainou2, Reem A Mustafa3, Zhen Wang1, Karen Woo4, David L Cull5, M Hassan Murad6. 1. Evidence-Based Practice Research Program and Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minn. 2. Clinical Research and Evidence-Based Medicine Unit, Second Medical Department, Aristotle University Thessaloniki, Thessaloniki, Greece. 3. Division of Nephrology, University of Missouri-Kansas City School of Medicine, Kansas City, Mo. 4. Division of Vascular Surgery, University of Southern California, Los Angeles, Calif. 5. Division of Vascular Surgery, Greenville Health System, Greenville, SC. 6. Evidence-Based Practice Research Program and Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minn. Electronic address: murad.mohammad@mayo.edu.
Abstract
BACKGROUND: The decision about the type and location of a hemodialysis vascular access is challenging and can be affected by multiple factors. We explored the effect of several a priori chosen patient characteristics on access outcomes. METHODS: We searched MEDLINE, Embase, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, and Scopus through November 13, 2014. We included studies that evaluated patency, mortality, access infection, and maturation of vascular access in adults requiring long-term dialysis. Pairs of reviewers working independently selected the studies and extracted the data. Outcomes were pooled across studies using the random-effects model. RESULTS: Two hundred studies met the eligibility criteria reporting on 875,269 vascular accesses. Overall, studies appeared to have provided incidence rates at low to moderate risk of bias. The overall primary patency at 2 years was higher for fistulas than for grafts and catheters (55%, 40%, and 50%, respectively). Patency was lower in individuals with diabetes, coronary artery disease, older individuals, and in women. Mortality at 2 years was highest with catheters, followed by grafts then fistulas (26%, 17%, and 15%, respectively). CONCLUSIONS: The current evidence remains in support of autogenous access as the best approach when feasible. We provide incidence rates in various subgroups to inform shared decision making and facilitate the conversation with patients about access planning.
BACKGROUND: The decision about the type and location of a hemodialysis vascular access is challenging and can be affected by multiple factors. We explored the effect of several a priori chosen patient characteristics on access outcomes. METHODS: We searched MEDLINE, Embase, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, and Scopus through November 13, 2014. We included studies that evaluated patency, mortality, access infection, and maturation of vascular access in adults requiring long-term dialysis. Pairs of reviewers working independently selected the studies and extracted the data. Outcomes were pooled across studies using the random-effects model. RESULTS: Two hundred studies met the eligibility criteria reporting on 875,269 vascular accesses. Overall, studies appeared to have provided incidence rates at low to moderate risk of bias. The overall primary patency at 2 years was higher for fistulas than for grafts and catheters (55%, 40%, and 50%, respectively). Patency was lower in individuals with diabetes, coronary artery disease, older individuals, and in women. Mortality at 2 years was highest with catheters, followed by grafts then fistulas (26%, 17%, and 15%, respectively). CONCLUSIONS: The current evidence remains in support of autogenous access as the best approach when feasible. We provide incidence rates in various subgroups to inform shared decision making and facilitate the conversation with patients about access planning.
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