Dexmedetomidine vs propofol for gastrointestinal endoscopy: A meta-analysis
Toshihiro Nishizawa1,2, Hidekazu Suzuki3, Naoki Hosoe4
1Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Tokyo, Japan.
United European Gastroenterology Journal
|November 23, 2017
Summary
Propofol offers higher patient satisfaction than dexmedetomidine for gastrointestinal endoscopy sedation. However, both agents show similar risks for cardiopulmonary complications and body movement during procedures.
Area of Science:
- Gastroenterology
- Anesthesiology
- Clinical Pharmacology
Background:
- Sedation with dexmedetomidine and propofol in gastrointestinal endoscopy has yielded conflicting results across studies.
- A meta-analysis was conducted to reconcile these discrepancies.
Purpose of the Study:
- To compare the efficacy and safety of dexmedetomidine versus propofol for sedation in gastrointestinal endoscopy.
- To analyze patient satisfaction, body movement, gagging, and cardiopulmonary complications.
Main Methods:
- A systematic search of PubMed, Cochrane library, and Igaku-chuo-zasshi identified six eligible randomized controlled trials.
- Data were pooled to calculate weighted mean difference (WMD) for patient satisfaction and heart rate, and risk difference (RD) for complications.
Main Results:
- Dexmedetomidine significantly decreased patient satisfaction compared to propofol (WMD: -0.678, p=0.0048).
- No significant differences were observed in body movement/gagging (RD: 0.107, p=0.288) or cardiopulmonary complications (hypotension, hypoxia, bradycardia).
- Dexmedetomidine significantly decreased heart rate (WMD: -10.41, p≤0.0001) without significant heterogeneity.
Conclusions:
- Propofol is associated with higher patient satisfaction than dexmedetomidine in gastrointestinal endoscopy.
- The risk of adverse events, including cardiopulmonary complications, is comparable between the two sedatives.
Related Concept Videos
Parenteral Anesthetics: Overview
784
Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
784
Stages of General Anesthesia
1.8K
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
1.8K
General Anesthesia: Overview
734
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
734
Inhalational Anesthetics: Overview
1.2K
Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
1.2K
Skeletal Muscle Relaxants: Therapeutic Uses
1.1K
Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
1.1K
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy
785
Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
785


