Body Mass Index and Spinal Anesthesia in Urological Surgery

This single-center prospective observational study investigates the effect of body mass index (BMI) on intraoperative vasopressor requirements and spinal block characteristics in adult patients undergoing urological surgery under spinal anesthesia. Participants are classified into two cohorts according to BMI (\<27.5 kg/m² and ≥27.5 kg/m²).Patient enrollment for this prospective observational study started before trial registration; therefore, this record represents a retrospective registration.

NCT Number	NCT07653217
Lead Sponsor	Adiyaman University
Conditions	Urologic Surgical Procedures, Body Mass Index, Vasopressor Therapy
Enrollment	120 participants
Start Date	2022-05-01
Primary Completion	2025-12-01 (estimated)
Study Completion	2025-12-01 (estimated)
Updated on ClinicalTrials.gov	2026-06-17