20-year experience with laparoscopic adrenalectomy at a high-volume center.

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To evaluate transperitoneal laparoscopic adrenalectomies performed at the University Hospital, Olomouc over a period of 20 years. Thanks to the increased availability of imaging, the detection of adrenal disease is increasing. Laparoscopic adrenalectomy is now regarded as the gold standard for the treatment of adrenal disease due to its safety and efficacy despite the increasing popularity of robotic-assisted surgery. Over a period of 20 years, from 2002 to 2021, we retrospectively evaluated a cohort of 405 patients who had undergone laparoscopic adrenalectomy. The indication criteria for laparoscopic adrenalectomy were hormonally active symptomatic tumours (pheochromocytoma, Conn's syndrome, Cushing's syndrome, etc.), symptomatic cysts or myelolipomas, carcinomas, metastatic disabling or incidentalomas, growing at a rate >1 cm or more per year. Data collected focused on sex, age, medical classification, imaging, operative time, side dominance, hormonal activity, complications associated with surgery, length of hospital stay, and histopathologic verification. No patient who had undergone laparoscopic adrenalectomy was excluded from the cohort. Patients in our cohort were not operated by a single surgeon. Women accounted for 52.1% (211) and men 47.9% (194). The mean age was 55.6 years, BMI 28.7, and median ASA score was 2. Preoperative imaging included abdominal CT in 352 (86.9%) patients, abdominal MRI with contrast agent in 8 (2.0%), and PET/CT in 45 (11.1%) patients. More frequent findings were on the right side in 223 (54.39%) patients. Hormonal activity was found in 271 patients (67 %). Hormone overproduction from the right adrenal gland was found in 120 (44.3%) patients, and from the left in 151 (55.7%). Adenoma was the most frequent histological finding, followed by hyperplasia. Conversion to open surgery was due to bleeding in 2 patients. There was no perioperative or postoperative mortality. According to the Clavien-Dindo classification, minor complications (Grade I) occurred in 375 patients (92.6%). Grade II complications were reported in 17 patients (4.2%). Grade III complications were identified in 13 patients (3.2%) due to operative field bleeding; in three cases (0.7%), surgical revision of the adrenalectomy bed was required. Laparoscopic adrenalectomy is a safe surgical method for the management of adrenal disease and our retrospective follow-up confirmed that it remains the gold standard.