Systematic review and meta-analysis of the relation between body mass index and short-term donor outcome of laparoscopic donor nephrectomy

In this era of organ donor shortage, live kidney donation has been proven to increase the donor pool; however, it is extremely important to make careful decisions in the selection of possible live donors. A body mass index (BMI) above 35 is generally considered as a relative contraindication for donation. To determine whether this is justified, a systematic review and meta-analysis were carried out to compare perioperative outcome of live donor nephrectomy between donors with high and low BMI. A comprehensive literature search was performed in MEDLINE, Embase, and CENTRAL (the Cochrane Library). All aspects of the Preferred Reporting Items for Systematic Reviews and Meta-analyses statement were followed.


Of 14 studies reviewed, eight perioperative donor outcome measures were meta-analyzed, and, of these, five were not different between BMI categories. Three found significant differences in favor of low BMI (29.9 and less) donors with significant mean differences in operation duration (16.9?min (confidence interval (CI) 9.1–24.8)), mean difference in rise in serum creatinine (0.05?mg/dl (CI 0.01–0.09)), and risk ratio for conversion (1.69 (CI 1.12–2.56)). Thus, a high body mass index (BMI) alone is no contraindication for live kidney donation regarding short-term outcome.


Authors: Jeffrey A Lafranca, Sander M Hagen, Leonienke F C Dols, Lidia R Arends, Willem Weimar, Jan N M IJzermans and Frank J M F Dor

References: Kidney International 83: 931-939; Published online, 23 January 2013; doi:10.1038/ki.2012.485

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