Clinical Research Directory

Effects of Ondansetron on Hemodynamic Changes After Spinal Anesthesia in Geriatric Urologic Surgery

Sponsor: Ankara City Hospital Bilkent

Summary

Spinal anesthesia is frequently used in urologic surgery in geriatric patients; however, it may cause significant hemodynamic changes such as hypotension and bradycardia. These changes can be more pronounced in elderly patients due to age-related physiological alterations. Ondansetron, a 5-HT3 receptor antagonist commonly used for the prevention of postoperative nausea and vomiting, has been suggested to attenuate spinal anesthesia-induced hemodynamic instability by modulating vagal reflexes. This prospective observational study aimed to evaluate the effects of ondansetron on hemodynamic changes following spinal anesthesia in geriatric patients undergoing urologic surgery. Hemodynamic parameters were recorded during the intraoperative period, and the incidence of hypotension, bradycardia, and vasopressor requirements were assessed.

Official title: Effects of Ondansetron on Hemodynamic Changes Induced by Spinal Anesthesia in Geriatric Urologic Surgery Patients

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