Combination of Midazolam and Butorphanol for Sedation for Tympanoplasty under Monitored Anaesthesia Care
Journal Title: Journal of Krishna Institute of Medical Sciences University - Year 2016, Vol 5, Issue 1
Abstract
Background: Tympanoplasty is routinely done under local anaesthesia with sedation due to various advantages. Systemic analgesics and sedatives are generally given to improve the patient comfort. Aim & Objectives: To determine the effectiveness of combination of midazolam and butorphanol for sedation and to assess the sedation technique using midazolam and butorphanol for tympanoplasty under monitored anaesthesia care. Material and Methods: One hundred patients scheduled for tympanoplasty under local anaesthesia were given bolus doses of intravenous midazolam 0.03 mg/kg and butorphanol 0.03 mg/kg followed by midazolam infusion at 0.01 mg/kg/hr. If required, additional bolus doses of 0.01 mg/kg of both midazolam and butorphanol were given to achieve desired sedation and analgesia. The total dosage of midazolam and butorphanol, vital parameters, sedation score using Ramsay sedation score, pain score and surgeon satisfaction score using Numeric rating scale were recorded. Results: Ninety nine patients underwent tympanoplasty satisfactorily with sedation technique. Only one patient needed conversion to general anaesthesia. The mean duration of surgery was 92.7±8.16 minutes. The total midazolam and butorphanol dosages were 2.45±0.233 mg and 1.65±0.179 mg respectively. The desired Ramsay Sedation Score (RSS) of 3 and pain score Numerical Rating Scale (NRS) = 2.82±0.72) were achieved within 4-8 minutes. No side effects of excessive sedation were observed. Conclusion: Combined use of midazolam and butorphanol in low doses produces adequate sedation for tympanoplasty under local anaesthesia without serious adverse effects.
Authors and Affiliations
Vinay Dhakate , Amol Singam , Sanjyot Ninave , Ishan Bansal , Punit Upadhaya
Keywords
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