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Factors associated with postoperative complications and costs for adrenalectomy in benign adrenal disorders.
Sung TY, Tennakoon L, Alobuia WM, Seib C, Cisco R, Lin D, Kebebew E. Factors associated with postoperative complications and costs for adrenalectomy in benign adrenal disorders. Surgery. 2021 Nov 29.
The incidence of adrenal incidentaloma has been increasing, and indications of and approaches to adrenalectomy are diverse. Drivers of complications and costs are not well identified.
The 2016 National Inpatient Sample data were used to identify patients who underwent adrenalectomy for benign adrenal disorders, such as Cushing syndrome, primary hyperaldosteronism, pheochromocytoma, and other benign neoplasms defined using the 10th Revision of the International Classification of Diseases. The primary outcome was determining the factors associated with clinical outcomes, perioperative complications, and hospitalization costs.
Using weighted estimates of the national sample data, 5,140 patients were identified. The mean age was 55 years. The majority of adrenalectomies were performed laparoscopically (48.5%) followed by a robotic approach (32.7%). The postoperative complication rate was 7.6%. In adjusted multivariable analyses, independent risk factors for perioperative complications included Hispanic race (odds ratio, 2.5; P = .01), and perioperative comorbid heart failure (odds ratio, 6.3; P < .001) and respiratory failure (odds ratio, 9.9; P < .001). The mean cost was $18,122. Independent risk factors associated with decrease of cost were female sex and primary hyperaldosteronism; factors associated with increased cost were pheochromocytoma, intraoperative complications, perioperative underlying comorbid respiratory failure and heart failure, and postoperative complications (P < .001).
Among patients undergoing adrenalectomy for benign adrenal disorders, underlying comorbidities, including heart and respiratory failure, should be considered when recommending adrenalectomy, as these may increase the postoperative complication rates and hospitalization costs.