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Postoperative pericardial adhesion prevention using Carbylan-SX in a rabbit model
Rafe C Connors1, Jeffery J Muir, Yanchun Liu
1Department of Surgery, Division of Cardiothoracic Surgery, University of Utah School of Medicine, Salt Lake City, Utah 84132, USA. rafe.connors@hsc.utah.edu
The Journal of Surgical Research
|May 19, 2007
Summary
Carbylan-SX, a hyaluronan-based biomaterial, effectively reduces pericardial adhesions after cardiac surgery. Both film and aerosolized forms of Carbylan-SX significantly outperformed Seprafilm in preventing adhesion formation.
Area of Science:
- Biomaterials Science
- Surgical Innovation
- Cardiovascular Research
Background:
- Dense adhesions in the pericardial space complicate reoperative cardiac surgery.
- Previous methods to reduce adhesions have shown variable success.
- Carbylan-SX is a hyaluronan-based biomaterial effective in non-thoracic adhesion models.
Purpose of the Study:
- To evaluate the efficacy of Carbylan-SX in reducing postoperative pericardial adhesions.
- To compare Carbylan-SX with Seprafilm for adhesion prevention.
- To assess both film and aerosolized hydrogel forms of Carbylan-SX.
Main Methods:
- New Zealand white rabbits underwent thoracotomy and induced epicardial adhesions.
- Treatment groups included controls, Carbylan-SX film, Carbylan-SX aerosolized hydrogel, and Seprafilm.
- Adhesion thickness was measured histologically 15 days post-procedure.
Main Results:
- All treatment groups showed significantly reduced adhesions compared to controls (P<0.0001).
- Carbylan-SX film (454 µm) and aerosolized hydrogel (577 µm) were more effective than Seprafilm (1319 µm).
- Carbylan-SX film and aerosolized hydrogel demonstrated comparable efficacy in preventing adhesions.
Conclusions:
- Carbylan-SX film and aerosolized hydrogel are effective in reducing pericardial adhesions.
- Carbylan-SX offers superior adhesion reduction compared to Seprafilm.
- Carbylan-SX has potential therapeutic implications for reducing adhesions in cardiac surgery.
