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Updated: Jun 19, 2026

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Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
Published on: December 6, 2016
[Drug sedation during digestive tract endoscopy: current trends]
Anesteziologiia I Reanimatologiia
|October 15, 2009
Summary
Ketofol, a mixture of ketamine and propofol, offers safe and effective medical sedation. This combination reduces drug use and the need for analgesia during endoscopic procedures, with a 1:4 ratio being optimal.
Area of Science:
- Anesthesiology and Pharmacology
- Gastroenterology
Context:
- Medical sedation is crucial for patient comfort and procedural success.
- Existing sedative agents have limitations, including respiratory depression and hemodynamic instability.
- Ketamine and propofol are commonly used sedatives, but their combined use (ketofol) requires careful consideration of ratios and effects.
Purpose:
- To evaluate the clinical efficacy and safety of ketofol for sedation during digestive tract endoscopic interventions.
- To identify optimal ketamine/propofol ratios for effective sedation with minimal adverse effects.
- To analyze foreign experiences and prerequisites for ketofol mixture design.
Summary:
- A study involving 152 patients undergoing endoscopic procedures demonstrated that ketofol sedation effectively reduced the need for additional analgesia and other drugs.
- Ketofol exhibited minimal impact on respiration and blood pressure, indicating a favorable safety profile.
- An optimal ketamine/propofol ratio of 1:4 was identified, providing sufficient analgesia and hemodynamic stability without compromising procedural control.
Impact:
- Ketofol provides a safe and effective alternative for medical sedation, potentially reducing opioid reliance.
- The optimal 1:4 ratio ensures adequate pain relief and stable hemodynamics, enhancing patient comfort and procedural outcomes.
- This approach offers more controlled sedation compared to individual agent administration, with no adverse effect on psychomotor recovery.
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