Effects of intravenous ephedrine in preventing intraoperative hypothermia in patients undergoing spinal anesthesia for arthroscopic knee surgery

Not Applicable

Recruiting

• Conditions: Core temperatureBlood pressureShivering; Core temperature; Shivering

• Registration Number: TCTR20161017007
• Lead Sponsor: one

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2016-10-17
• Study Completion: 2017-10-17
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 54

Inclusion Criteria

1) Patient undergoing knee or ankle arthroscopic surgery under spinal block at department of orthopaedic, Ramathibodi Hospital
2) BMI 17-30 kg/m2
3) ASA physical status 1-3
4) Age 18-70
5) Last oral intake > 6 hours ( 2 hours for water)
6) Consent form acquired

Exclusion Criteria

1) Patient who are contraindicated for spinal block
2) Anesthesia level > T4 or < T10
3) Tympanic temperature >37.5 or < 35.5
4) Inflammation in external ear canal or tympanic menbrane
5) Patients who receive alpha adrenergic blocker or beta adrenergic blocker
6) Initial blood pressure presenting in operating theater > 140/90 mmHg (repeat after rest 5 minutes)
7) Patient refusal

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Core temperature 120 minutes Tympanic temperature

Secondary Outcome Measures

Name	Time	Method
Incidence and onset of shivering 120 minutes Observation