NCT07339241

Abdominal Circumference as a Predictor of Operative Time in Retroperitoneal Adrenalectomy for Pheochromocytoma

Abdominal Circumference as a Novel Predictor of Operative Time in Retroperitoneal Adrenalectomy for Pheochromocytoma: A Retrospective Observational Study

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 159 (actual)
• Sponsor: Asan Medical Center · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

This retrospective observational study examines whether abdominal circumference is associated with operative time in patients undergoing retroperitoneal adrenalectomy for pheochromocytoma. Data were collected from medical records of patients treated at a single tertiary referral center. The primary outcome is operative time, measured in minutes. The purpose of this study is to evaluate whether abdominal circumference can serve as a practical predictor of operative difficulty in retroperitoneal adrenalectomy.

Conditions

• Pheochromocytoma Malignant

Interventions

Type	Name	Description
PROCEDURE	Retroperitoneal Adrenalectomy	Retroperitoneal adrenalectomy performed as part of routine clinical care for patients with pheochromocytoma. No experimental intervention was assigned, and the surgical procedure was not altered for the purpose of this observational retrospective study.

Timeline

• Start date: 2017-01-01
• Primary completion: 2021-12-01
• Completion: 2021-12-01
• First posted: 2026-01-14
• Last updated: 2026-01-14