Laparoscopic donor nephrectomy in obese donors: Easier to implement in overweight women?

Laparoscopic donor nephrectomy (LDN) has been proven feasible in overweight individuals, but remains technically challenging. As the perirenal fat distribution and consistency significantly differ between men and women, we investigated possible differences between the genders. Prospectively collected data of 37 female and 39 male donors with a body mass index (BMI) over 27 who underwent total LDN were compared. Ninety-one donors with a BMI <25 served as controls. Clinically relevant differences were not observed between men and women of normal weight. In overweight donors, two (5%) procedures were converted to open in females and five (13%) in males. None of these conversions in females, but four conversions in males, appeared to be related to the donor's perirenal fat (P = 0.05). Operation time (median 210 vs. 241 min, P = 0.01) and blood loss (median 100 vs. 200 ml, P = 0.04) were favorable in female donors. The number of complications did not significantly differ. Total LDN in overweight female donors does not lead to increased operation times, morbidity or technical complications. In contrast, the outcome in obese males seems to be less advantageous, indicating that total LDN in overweight women can be advocated as a routine procedure but in obese men reluctance seems justified.

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