Single Bolus Intravenous Ephedrine Attenuates Reduction of Core Body Temperature in Patients Undergoing Spinal Anesthesia for Arthroscopic Knee and Ankle Surgery

• Status: Completed
• Trial end date: 2017-07-27
• Target enrollment: 0
• Participant gender: All

Summary

A prospective double-blinded randomized controlled study to determine efficacy of ephedrine in preserving core temperature in patients under neuraxial spinal anesthesia for knee and ankle arthroscopic surgery.

• Phase: N/A
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Ramathibodi Hospital
• Treatments: Anesthetics; Ephedrine; Pseudoephedrine

Criteria

Inclusion Criteria:

• Patient undergoing knee or ankle arthroscopic surgery under spinal block at department of orthopaedic Ramathibodi Hospital

• BMI 17-30 kg/m2

• ASA physical status 1-3

• Age 18-70

• Last oral intake more than 6 hours (2 hours for water)

• Consent form acquired

Exclusion Criteria:

• Patient who are contraindicated for spinal block

• Anesthesia level higher than T4 or lower than T10

• Tympanic temperature more than 37.5 or less than 35.5 degrees Celsius

• Otitis or other ear infection

• Patients who receive alpha adrenergic blocker or beta adrenergic blocker

• Initial blood pressure presenting in operating theater 140 90 mmHg repeat after rest 5 minutes

• Patient refusal