Related Experiment Videos
Postoperative alpha 2-adrenergic stimulation attenuates protein catabolism
N Mertes1, C Goeters, M Kuhmann
1Department of Anesthesia and Intensive Care Medicine, University of Münster, Germany.
Anesthesia and Analgesia
|February 1, 1996
Summary
Continuous intravenous clonidine improved nitrogen balance in patients after esophageal cancer surgery. This metabolic effect may be linked to clonidine-induced growth hormone release, aiding recovery.
Area of Science:
- Metabolic effects
- Surgical recovery
- Endocrinology
Background:
- Postoperative recovery after major surgery presents metabolic challenges.
- Alcohol withdrawal syndrome (AWS) can complicate recovery in patients with a history of alcohol abuse.
- Alpha-2 adrenergic agonists, like clonidine, are used to manage AWS.
Purpose of the Study:
- To evaluate the metabolic effects of continuous intravenous clonidine.
- To assess nitrogen economy and endocrine patterns post-surgery.
- To determine clonidine's impact on patients undergoing esophageal cancer resection.
Main Methods:
- Studied 24 patients undergoing abdominothoracic esophageal cancer resection.
- 13 patients received IV clonidine postoperatively for AWS prevention; 11 served as controls.
- Standardized surgical, anesthetic, and intensive care protocols were used, including epidural analgesia.
Main Results:
- Clonidine-treated patients showed significantly improved cumulative 6-day nitrogen balance (-1.5 +/- 4.9 g) compared to controls (-17.6 +/- 4.2 g).
- This suggests improved nitrogen economy with clonidine administration.
- Endocrine data indicated potential clonidine-induced growth hormone (GH) release, supported by insulin-like growth factor I (IGF-I) and IGFBP-3 patterns.
Conclusions:
- Continuous IV clonidine administration improves nitrogen balance in patients after major abdominal surgery.
- Clonidine may enhance recovery by stimulating growth hormone release.
- This highlights a potential anabolic effect of clonidine in the perioperative setting.