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[Midazolam plus ketamine as premedication for colonoscopies. A double-blind, randomized study]
Medizinische Klinik (Munich, Germany : 1983)
|April 15, 1991
Summary
Adding ketamine to midazolam significantly improved sedation and analgesia during endoscopy. This combination reduced the need for repeat procedures and treatment failures, enhancing patient acceptance for future examinations.
Area of Science:
- Gastroenterology
- Anesthesiology
- Clinical Pharmacology
Background:
- Effective sedation and analgesia are crucial for patient comfort and procedural success during endoscopic examinations.
- Midazolam is commonly used but may require repeat dosing or lead to treatment failure in some patients.
Purpose of the Study:
- To compare the efficacy and safety of midazolam plus ketamine versus midazolam plus placebo for premedication in patients undergoing endoscopy.
Main Methods:
- A prospective, double-blind, placebo-controlled, parallel-group study involving 129 patients.
- Patients received either midazolam plus placebo or midazolam plus ketamine.
- Outcomes included need for second injection, treatment failure, safety, and endoscopist/patient satisfaction.
Main Results:
- Midazolam plus ketamine resulted in fewer second injections (27% vs. 40%) and no treatment failures, compared to midazolam alone.
- The combination was found to be safe, with no added risks.
- Endoscopist assessment favored the midazolam-ketamine combination for sedation and analgesia.
Conclusions:
- Combining midazolam with ketamine offers more reliable sedation and analgesia for endoscopic procedures.
- This combination improves procedural success rates and patient acceptance for repeat endoscopies.
- The midazolam-ketamine regimen is a safe and effective premedication strategy.