PMID: 653565Jun 1, 1978Paper

Comparison of wound strength in normal, radiated and infected tissues closed with polyglycolic and chromic catgut sutures

Surgery, Gynecology & Obstetrics
R E BarhamJ S Ansell

Abstract

Wound strength in the rectus muscle of rabbits is greater at any measured time interval when sutured with polyglycolic acid than when sutured with chromic catgut. This is true for both irradiated and nonirradiated tissues. No significant advantage is seen for either suture in nonirradiated bladder, although the trend favors polyglycolic acid. In irradiated bladders, a significant advantage is seen for polyglycolic acid at 15 days. In measuring repaired ureteral orifice size, only chronic catgut suture in nonirradiated rabbits caused marked edema and unreteral obstruction. Postoperative ureteral dilation with both materials resolved over a 90 day period. In the irradiated ureter, however, resolution of this obstruction appears to occur earlier and more dependably when polyglycolic acid suture has been used. Polyglycolic acid showed a trend for superior strength in urothelial wounds tested. The healing of bladder epithelium is usually completed in ten to 14 days. The entire bladder wound gains strength rapidly until day 21 and gains little strength thereafter. A suture material that does not increase the inflammatory response but lasts long enough for complete bladder healing is advisable. Using the criterion of wound breaking st...Continue Reading

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