BACKGROUND: The aim of this study was to evaluate the suitability of posterior retroperitoneoscopic adrenalectomy for patients with morbid obesity. METHODS: This retrospective clinical cohort study included patients who underwent elective posterior retroperitoneoscopic adrenalectomy. Intraoperative (operative time, blood loss, intraoperative complications, conversion rate) and postoperative (hospital stay, morbidity, mortality) parameters were compared between the two study subgroups: obese (body mass index [BMI] ≥30 kg/m(2)) and non-obese patients (BMI <30 kg/m(2)). RESULTS: A total of 137 subsequent patients were enrolled in the study (41 obese and 96 non-obese patients). Mean tumour size was 5.2 ± 2.2 cm; aldosteronism and incidentaloma were the most frequent indications. Operative time was significantly longer (87 vs. 65 min; P = 0.0006) in obese patients. There was no difference in operative blood loss. One conversion was necessary. Overall, the 30-day postoperative morbidity was significantly higher in obese patients (26.8 vs. 11.5 %; P = 0.025). The hospital stay was significantly longer in obese patients (3.1 vs. 2.5 days; P = 0.003). CONCLUSIONS: Dorsal retroperitoneoscopic adrenalectomy can be safely performed in morbidly obese patients, maintaining the advantages of minimally invasive surgery. Avoiding an abdominal approach is beneficial for patients. There is a more favourable postoperative course, shorter hospital stay, better cosmetic outcome and quicker recovery with dorsal retroperitoneoscopic adrenalectomy. The prolonged operative time, longer hospital stay and higher risk of postoperative complications that occurred in obese patients were acceptable in light of the generally higher risk associated with surgeries performed in obese patients.

Department of Surgical Studies Faculty of Medicine University of Ostrava Syllabova 19 Ostrava 703 00 Czech Republic

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