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Mayo Adhesive Probability (MAP) score of non-donated kidney aids in predicting post-operative renal function following donor nephrectomy

Authors
  • Cockerill, Katherine J.1
  • Kahn, Amanda E.1
  • Young, Stacy M.2
  • Ball, Colleen T.2
  • Mai, Martin L.2
  • Taner, C. Burcin2
  • Perry, Dana K.2
  • Thiel, David D.1
  • 1 Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL, 32224, USA , Jacksonville (United States)
  • 2 Mayo Clinic, Jacksonville, FL, USA , Jacksonville (United States)
Type
Published Article
Journal
BMC Urology
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Aug 17, 2020
Volume
20
Issue
1
Identifiers
DOI: 10.1186/s12894-020-00695-2
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundTo examine the association of preoperative Mayo Adhesive Probability (MAP) scores in the donor (MAPd) and non-donor kidneys (MAPnd) with post-donation renal function.MethodsThree hundred thirty-one patients undergoing hand assisted laparoscopic donor nephrectomy (HALDN) were reviewed. MAPd and MAPnd were obtained. Estimated glomerular filtration rate (eGFR) was recorded preoperatively and at 1 day, 1 month, and 6 months postoperatively.ResultsTwo hundred females and 131 males were evaluated with median BMI 26.4 kg/m2 (range 17.1–39.6) and median age 45 years (range 19–78). MAPd score was 0 for 231 patients (69.8%) and > 0 for 100 patients (30.2%). MAPnd score was 0 for 234 patients (70.7%) and > 0 for 97 patients (29.3%). The median preoperative eGFR was 86.6 ml/min/1.73m2 (range 48.8–138.4). After adjusting for preoperative eGFR, BMI, ASA score, and kidney sidedness, postoperative eGFR was associated with MAP score in the non-donated kidney (p = 0.014) but not in the donated kidney (p = 0.24). Compared to donors with MAPnd = 0, donors with a MAPnd > 0, mean eGFR was − 2.33 ml/min/1.73m2 lower at postoperative day 1 (95% CI − 4.24 to − 0.41, p = 0.018), − 3.02 ml/min/1.73m2 lower at 1 month (95% CI − 5.11 to − 0.93, p = 0.005), and − 2.63 ml/min/1.73m2 lower at 6 months postoperatively (95% CI − 5.01 to − 0.26, p = 0.030).ConclusionsMAP score > 0 in the non-donated kidney is associated with worse renal function in the 6 months following HALDN.

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