Reduction of adhesion formation with hyaluronic acid after peritoneal surgery in rabbits.
OBJECTIVE: To examine the effect of hyaluronic acid, a high-molecular-weight glucosaminoglycan found in the extracellular matrix, on the formation of adhesions, a major source of postoperative complications. DESIGN: The ability of hyaluronic acid to reduce adhesion formation was evaluated using a standardized rabbit model. The material was administered i.p. at the end of surgery. SETTING: University laboratory. ANIMAL(S): New Zealand White female rabbits. INTERVENTION(S): Intraperitoneal administration of various formulations of hyaluronic acid at the end of surgery. MAIN OUTCOME MEASURE(S): One week after surgery, a second laparotomy was performed and the extent of adhesion formation was determined. RESULT(S): Five separate molecular weight ranges of hyaluronic acid representing eight viscosities between 1,000 and 12,000 centipoise (CPS) were shown to reduce adhesion formation in this model. All volumes, 1 to 30 mL, of hyaluronic acid tested reduced adhesion formation. In addition, the low-viscosity, low-molecular-weight hyaluronic acid significantly reduced adhesion formation when added to the trauma site or when injected at a site remote from the trauma area. CONCLUSION(S): This study showed that hyaluronic acid administered at the end of surgery reduced adhesion formation.[1]References
- Reduction of adhesion formation with hyaluronic acid after peritoneal surgery in rabbits. Rodgers, K.E., Johns, D.B., Girgis, W., Campeau, J., diZerega, G.S. Fertil. Steril. (1997) [Pubmed]
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