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Equivalent Post-Donation eGFR after Robotic Assisted versus Laparoscopic Living Donor Nephrectomy

R. Cross, H. Pollinger, M. Tan, M. Mulloy, T. Ommert, A. Ray, C. Klein.

Piedmont Transplant Institute, Atlanta, GA.

Meeting: 2018 American Transplant Congress

Abstract number: B170

Keywords: Donation, Glomerular filtration rate (GFR)

Session Information

Session Name: Poster Session B: Kidney Living Donor: Long Term Outcomes

Session Type: Poster Session

Date: Sunday, June 3, 2018

Session Time: 6:00pm-7:00pm

 Presentation Time: 6:00pm-7:00pm

Location: Hall 4EF

Robotic assisted donor nephrectomy (RADN) has gained popularity in recent years as a minimally invasive alternative to traditional laparoscopic donor nephrectomy (LDN). RADN offers advantages including decreased pain and medication use, shortened length of stay (LOS), and superior cosmetic results. We sought to examine the short and long-term kidney function post-donation by surgical technique.

Methods: A single center retrospective review of 366 living donors between October 2011 and October 2017 was conducted. Estimated GFR was calculated with the MDRD equation using serum creatinine at pre-donation, time of discharge, 2 week, 6 month, 1 year and 2 years post donation.

Results: 179 RADN and 187 LDN were performed during the study period. Pre-donation age, BMI, race, and hospital LOS were similar in both groups. A higher percentage of females were present in the RADN group (74% vs 57% LDN). Pre-donation eGFR was similar in RADN and LDN groups at 90 ml/min and 89 ml/min respectively. Estimated GFR at 2 years post donation was available in 57% of donors, and was equivalent at 61 ml/min in both groups.

Conclusions: Robotic donation has several known advantages to potential kidney donors. Both short and long-term residual renal function does not appear to be impacted by surgical technique. This information can be useful to inform potential donors when discussing surgical options.

Table 1. Comparative Robotic Assisted and Laparoscopic Nephrectomies 2011-2017

179 Robotic donors 187 Laparoscopic donors
Pre-donation Age 42 years 44 years
Pre-donation BMI 25.63 26.84
Sex 133/179 Female (74%) 106/187 Female (57%)
Race 120/179 Caucasian (67%) 133/187 Caucasian (71%)
Hospital LOS 1.6 days 1.9 days
Pre-donation eGFR 90 ml/min (179) 89 ml/min (187)
Discharge eGFR 50 ml/min (177) 50 ml/min (187)
2 week eGFR 57 ml/min (177) 55 ml/min (185)
6 month eGFR 59 ml/min (135) 57 ml/min (149)
1 year eGFR 60 ml/min (124) 59 ml/min (125)
2 year eGFR 61 ml/min (107) 61 ml/min (103)

*All values are calculated as mean and eGFR numbers in ( ) are number of patients with data at time point.

CITATION INFORMATION: Cross R., Pollinger H., Tan M., Mulloy M., Ommert T., Ray A., Klein C. Equivalent Post-Donation eGFR after Robotic Assisted versus Laparoscopic Living Donor Nephrectomy Am J Transplant. 2017;17 (suppl 3).

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To cite this abstract in AMA style:

Cross R, Pollinger H, Tan M, Mulloy M, Ommert T, Ray A, Klein C. Equivalent Post-Donation eGFR after Robotic Assisted versus Laparoscopic Living Donor Nephrectomy [abstract]. https://atcmeetingabstracts.com/abstract/equivalent-post-donation-egfr-after-robotic-assisted-versus-laparoscopic-living-donor-nephrectomy/. Accessed June 6, 2025.

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