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CLINICAL INVESTIGATION
Year : 2008  |  Volume : 52  |  Issue : 1  |  Page : 70

Intra-operative Patient-Controlled Sedation (PCS):Propofol versus Midazolam Supplementation During Epidural Analgesia (Clinical and Hormonal Study)


1 Consultant(W.Germany), Department, of Anaesthesia and Intensive Care, Farwania Hospital, Kuwait., Kuwait
2 Senior Registrar(Egypt), Department, of Anaesthesia and Intensive Care, Farwania Hospital, Kuwait., Kuwait
3 Chairman, Department, of Anaesthesia and Intensive Care, Farwania Hospital, Kuwait., Kuwait

Correspondence Address:
Abhay Patwari
P.O.Box 26228, Safat 13123, State of Kuwait, Arabian Gulf.
Kuwait
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Source of Support: None, Conflict of Interest: None


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This study was done on sixty adult males scheduled to have an epidural analgesia for elective inguinal hernia repair. The study was designed to compare propofol and midazolam with regard to their suitability for the patient-controlled sedation (PCS) technique during epidural analgesia. Patients were divided into three equal groups and premedicated with 0.2mg.kg -1 oral midazolam. Group I (G1) served as control. Using PCS technique, the pump was programmed to deliver on demand a bolus dose of 0.5 mg.kg 1 of propofol in Group II (G2) or 0.1mg.kg -1 midazolam in Group III(G3). Patient's sedation status was assessed by sedation score, comfort scale and by psychometric testing. The total delivered dose of each tested drug was calculated. Serum concentrations of propfol and midazolam, plasma cortisol and free fatty acids were measured. Propofol and midazolam PCS technique produced excellent and easily controllable sedation. The dose needed to produce steady state sedation was 2.8±1.42 and 0.11±0.6 mg.kg -1 .h 1 for propofol and midazolam respectively. Propofol was more suitable than midazolam for PCS because of its rapid onset, favorable recovery profile and low side effects. PCS proved to be a stress-free and acceptable technique.


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