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Medical Science Monitor Basic Research


eISSN: 2329-0358

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Evaluation of the Learning Curve of Hand-Assisted Laparoscopic Donor Nephrectomy

Bum Sik Tae, Ulanbek Balpukov, Hyeon Hoe Kim, Chang Wook Jeong

(Department of Urology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, South Korea)

Ann Transplant 2018; 23:546-553

DOI: 10.12659/AOT.909397

BACKGROUND: In this study, we analyzed the learning curve of hand-assisted laparoscopic donor nephrectomy (HALDN).
MATERIAL AND METHODS: The first 198 consecutive donors (110 cases by expert surgeon and 88 cases by newbie surgeon) operated on using HALDN were included in this study. The primary outcome measures were warm ischemic time (WIT), total operation time and estimated blood loss (EBL). The secondary outcome measures included length of hospital stay (LOS), graft outcome, and surgery-related complications. We used the cumulative sum (CUSUM) method to generate learning curves.
RESULTS: Except for WIT, all operative and convalescence parameters of donors and graft outcomes were similar for the 2 groups, including the total operation time (174.13 minutes vs. 171.75 minutes, P=0.140), EBL (108.27 cc vs. 116.82 cc, P=0.494), LOS (4.80 days vs. 4.92 days, P=0.144), and overall rates of intraoperative and postoperative complications (P>0.05). A significant difference was observed in WIT between the 2 groups (140.59 sec vs. 106.85 sec, P=0.027). Upon visual assessment of the CUSUM plots, a downward inflexion point for decreasing WIT was observed in 4 cases, total operation time in 12 cases, and EBL in 15 cases.
CONCLUSIONS: HALDN has a relatively short learning curve and similar results may be expected from newbie urologists who are trained in minimally invasive surgery fellowship.

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