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Comparison of transperitoneal laparoscopic versus open adrenalectomy for large pheochromocytoma: a retrospective propensity score-matched cohort study.
International Journal of Surgery 2018 November 30
BACKGROUND: Surgical resection is the main treatment strategy for pheochromocytoma. Whether laparoscopic techniques are feasible for large pheochromocytoma treatments is controversial. The aim of this study was to evaluate the feasibility and safety of transperitoneal laparoscopic adrenalectomy (LA) compared with open adrenalectomy (OA).
METHODS: We retrospectively studied 182 patients with radiographic tumor sizes ≥ 6 cm who underwent adrenalectomy at our center between 1 January 2007 and 31 December 2017. After propensity score-matching to balance baseline variables, 82 patients treated with LA and 100 patients treated with OA were grouped into 64 pairs. Patient demographics, and extensive peri-operative and oncologic data were recorded and compared.
RESULTS: In the matched group, the incidence of intra-operative hemodynamic instability, transfusion rate, prolonged hypotension, and cardiovascular morbidity in the LA group were lower than the OA group (25.0% vs. 48.4%, 29.7% vs. 46.9%, 4.7% vs. 23.4%, and 14.1% vs. 37.5%, respectively). The estimated blood loss was less (100 ml vs. 300 ml) and bowel recovery was quicker (1.9 d vs. 2.3 d) in the LA group. The proportion of patients in whom blood pressure returned to normal (P=0.184), had recurrences (P=0.197), and survived (P=0.763) were equivalent. The surgical approach (OA vs. LA) was an independent risk factor for IHD, prolonged hypotension, cardiovascular morbidity, and longer bowel recovery.
CONCLUSIONS: This propensity score-matched cohort study showed that LA was feasible, safe, and superior to OA for patients with large pheochromocytoma, meanwhile LA had comparable oncological outcomes compared with OA after a lengthy follow-up.
METHODS: We retrospectively studied 182 patients with radiographic tumor sizes ≥ 6 cm who underwent adrenalectomy at our center between 1 January 2007 and 31 December 2017. After propensity score-matching to balance baseline variables, 82 patients treated with LA and 100 patients treated with OA were grouped into 64 pairs. Patient demographics, and extensive peri-operative and oncologic data were recorded and compared.
RESULTS: In the matched group, the incidence of intra-operative hemodynamic instability, transfusion rate, prolonged hypotension, and cardiovascular morbidity in the LA group were lower than the OA group (25.0% vs. 48.4%, 29.7% vs. 46.9%, 4.7% vs. 23.4%, and 14.1% vs. 37.5%, respectively). The estimated blood loss was less (100 ml vs. 300 ml) and bowel recovery was quicker (1.9 d vs. 2.3 d) in the LA group. The proportion of patients in whom blood pressure returned to normal (P=0.184), had recurrences (P=0.197), and survived (P=0.763) were equivalent. The surgical approach (OA vs. LA) was an independent risk factor for IHD, prolonged hypotension, cardiovascular morbidity, and longer bowel recovery.
CONCLUSIONS: This propensity score-matched cohort study showed that LA was feasible, safe, and superior to OA for patients with large pheochromocytoma, meanwhile LA had comparable oncological outcomes compared with OA after a lengthy follow-up.
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