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  • Title: [Application of modified purse-string closure in the wound following loop stoma reversal].
    Author: Han J, Wang Z, Wei G, Zhai Z, Ma L, Yi B, Zhao B.
    Journal: Zhonghua Wei Chang Wai Ke Za Zhi; 2018 Dec 25; 21(12):1403-1407. PubMed ID: 30588593.
    Abstract:
    OBJECTIVE: To compare the safety and feasibility between modified circumferential purse-string closure and conventional primary linear closure of the wound following loop stoma reversal. METHODS: Clinical data of 88 consecutive patients who underwent loop colostomy or loop ileostomy closures at our hospital from July 2011 to June 2013 were retrospectively analyzed. Among them, 43 cases underwent modified purse-string technique (modified purse-string group), 45 cases underwent direct suture (direct suture group). The operation method of modified purse-string suture was as follows: (1) the circumferential subcutaneous adipose tissue was sutured with the absorbable suture, avoiding tightening at knotting and retaining a 1 cm pore;(2)absorbable suture was used to perform purse-string suture of the dermis, retaining a 0.5 cm central pore when knotting; (3) a rubber drain was placed through the pore. The clinical parameters, surgical results and postoperative complication of two groups were recorded and compared. RESULTS: There were 56 males and 32 females with age of (65.0±11.5) years old. Seventy-nine cases were malignant tumors, 6 were benign tumors and 3 were traumatic. There was no significant difference in the baseline data between two groups (all P>0.05). Compared with the direct suture group, the modified purse-string group had significantly lower wound infection rate [7.0%(3/43) vs. 24.4%(11/45), χ²=5.015, P=0.025]; significantly shorter postoperative hospital stay (mean 7.1 days vs. 8.6 days, t=-2.656, P=0.010); significantly lower total hospitalization costs (mean 25 668.4 yuan vs. 27 718.1 yuan, t=-2.488, P=0.015); however, the wound healing time of the modified purse-string group was significantly longer (mean 22.0 days vs. 13.0 days, t=5.701, P<0.001). The average healing time of the wounds in the direct suture group was 29.8 days, which was significantly longer than that of the first-stage healing cases (7.5 days, t=-15.446,P<0.001). The average wound healing time of the infected cases in the modified purse-string suture group was 22.0 days, compared with 22.1 days in the first-stage healing cases, the difference was not statistically significant(t=0.077,P=0.943). CONCLUSIONS: Modified purse-string closure after loop stoma reversal is an appropriate technique with lower stoma site infection rate, shorter postoperative hospital stay and lower hospitalization cost than conventional primary closure, although wounds may take longer to heal in this approach.
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