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Sedation with midazolam versus midazolam plus meperidine for routine colonoscopy: a prospective, randomized,
Kubilay Cinar1, Mustafa Yakut, Ali Ozden
1Ankara University, School of Medicine, Department of Gastroenterology, Ankara. cinar@medicine.ankara.edu.tr
Summary
Adding meperidine to midazolam for colonoscopy sedation does not improve patient outcomes or recovery time. Both sedation methods, midazolam alone or with meperidine, demonstrate similar safety and efficacy in colonoscopy procedures.
Area of Science:
- Gastroenterology
- Anesthesiology
- Pharmacology
Background:
- Sedation and analgesia are crucial for colonoscopy, typically achieved with midazolam and an opioid.
- The added benefit of analgesics to sedative agents in colonoscopy requires further evaluation.
Purpose of the Study:
- To compare the efficacy and safety of midazolam versus midazolam plus meperidine for sedation during colonoscopy.
Main Methods:
- A study involving 74 patients undergoing routine colonoscopy.
- Patients received either midazolam (n=34) or midazolam plus meperidine (n=40).
- Data collected included procedure times, pain scores (visual analog scales), and recovery time.
Main Results:
- No significant difference in inadequate bowel preparation rates between groups.
- Similar mean visual analog scale scores for pain in both groups.
- Identical recovery times (approx. 28.2-28.3 minutes) and procedure times (approx. 18.6-19.3 minutes) were observed.
Conclusions:
- Colonoscopy sedation with midazolam and meperidine or midazolam alone yields comparable patient safety, outcomes, and satisfaction.
- While clinicians may prefer combined use, adding meperidine to midazolam does not offer additional patient benefits.
- The study suggests midazolam alone is as effective as the combination for colonoscopy sedation.
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