Key point
SITE INFECTION, SECONDARY, INFILTRATION, SURGICAL SITE INFECTION
By comparing the efficacy and cost of improved vacuum-sealing drainage devices and vacuum-sealing drainage (VSD) devices in the treatment of postoperative abdominal surgical site infection, the clinical applicability and promotion of improved vacuum-sealing drainage devices were assessed. In our institution, between October 2019 and December 2021, 55 patients with surgical site infection after abdominal surgery were retrospectively analyzed, including 30 patients treated with improved VSD and 25 patients treated with VSD. The efficacy of wound healing, total dressing change cost throughout therapy, total hospital costs, hospital days, and bacterial culture results of wound secretions before and after treatment were compared between the 2 groups. Both groups achieved wound healing following vacuum sealing-drainage treatment, with no significant differences in wound healing time or secondary suture rate. However, the total hospitalization and dressing change costs in the improved VSD group were significantly lower than those in the VSD group. Similar to VSD, improved VSD is effective in the treatment of surgical site infections after abdominal surgery. Compared with VSD, the improved VSD device has lower dressing change costs and total hospitalization costs during the treatment process. The improved VSD has a wide range of applications and is suitable for clinical use and promotion.The drainage tube in the enhanced vacuum-sealing drainage device was a double casing pipe.Compared with the suction tube used in the simple negative pressure drainage device in previous studies, the drainage effect is better because of the unique structure of the double - casing pipe (Fig. A sputum suction tube was used as the internal suction tube, and a soft and durable disposable anal canal was chosen as the exterior cannula.This design prevents the dressing from adhering to the tube wall of the internal suction tube, which would otherwise cause inadequate drainage and wound exudate infiltration between the inner and outer tubes.There is a gap of 0.3 to 0.6 cm, which is subsequently sucked out by an internal suction tube with negative pressure, and the number and size of the lateral aperture of the double casing pipe can be increased according to the drainage characteristics.The double casing pipe.