Overview Study of Alpha-blockers Alone During Preoperative Preparation in Patients With Pheochromocytoma Status: Completed Trial end date: 2022-10-20 Target enrollment: Participant gender: Summary Study of the relationship between hemodynamic stability and preoperative intravenous rehydration in patients with pheochromocytoma Phase: N/A Details Lead Sponsor: Kunwu Yan,MM