eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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vol. 18
General surgery
Original paper

Analysis of risk factors for conversion in laparoscopic adrenalectomy: a single-institution series of 256 patients

Lukasz Krokowicz
Mateusz Biczysko
Krzysztof Szmyt
Maciej Borejsza-Wysocki
Tomasz Banasiewicz
Witold Ledwosinski
Adam Bobkiewicz

Department of General, Endocrinological Surgery and Gastroenterological Oncology, Poznan University of Medical Sciences, Poznan, Poland
Videosurgery Miniinv 2023; 18 (3): 453–459
Online publish date: 2023/04/06
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Although introduction of the laparoscopic approach for adrenal gland surgery revolutionized the strategy in management of adrenal gland tumors, open surgery is still a method of choice in some clinical scenarios. Moreover, laparoscopy may have limitations resulting in conversion.

To assess risk factors predisposing for conversion based on our own material, including 256 laparoscopic adrenalectomies performed in 2009–2016.

Material and methods
A retrospective analysis of patients who underwent adrenalectomies between 2009 and 2016 was conducted. Patients were analyzed for sex, body mass index (BMI), size of the adrenal gland lesion, final histopathological diagnosis and operated side of the adrenal gland, its impact on conversion rate.

A total of 256 patients underwent laparoscopic adrenalectomy. The reported study comprised of 94 (36.7%) men and 162 (63.3%) women. The most common indication for adrenalectomy were adrenal cortex adenoma (n = 149; 58.2%) and pheochromocytoma (n = 48; 18.75%). The conversion rate was 3.91% (n = 10 patients). Mean BMI of patients without conversion was 27.6 kg/m2, whereas in the group of patients with conversion, BMI was 29.7 kg/m2 (p > 0.05). The conversion rate was precisely the same when comparing the right (5/126; 3.9%) and left (5/126; 3.9%) adrenal gland. There was no correlation between the size of the adrenal lesion and the risk of conversion.

The laparoscopic approach remains an efficient and safe procedure for adrenal gland tumors. Based on our study, obese patients and those with pheochromocytoma are associated with a higher risk of conversion but without any statistical significance. There was no difference in the conversion rate when analyzing the size of the adrenal gland tumor. No difference was also revealed in the conversion rate when comparing both sides of laparoscopic adrenalectomy.


conversion, laparoscopic adrenalectomy, adrenal gland tumor

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