Prognostic Model for Vasopressor Requirement After Retroperitoneal Adrenalectomy for Pheochromocytoma: A Retrospective Study.

Objectives: To evaluate the risk factors for postoperative vasopressor requirement among patients with pheochromocytoma undergoing retroperitoneal adrenalectomy. The primary outcome was postoperative hypotension requiring vasopressor support.

Design: A single-center retrospective observational study.