To explore the effect of using a new technique of in situ Sublay-Keyhole to repair parastoma hernia.

From January 2018 to December 2019, 12 patients diagnosed with incisional hernia underwent parastomy hernia repair in Shengjing Hospital Affiliated to China Medical University were selected. Among them, 7 were males and 5 were females. Their ages ranged from 59 to 81 years old, with an average age of 68.8 years old. Body mass index (BMI) ranged from 21.5 to 28.9 kg/m², with an average BMI of 25.5 kg/m². All patients underwent Sublay-Keyhole in situ repair of parastoma hernia.

Ten patients with rectal cancer underwent permanent colostomy, one patient with colon cancer underwent permanent colostomy, and one patient with colon perforation underwent permanent ileostomy. The total stoma was transrectus abdominis type, with 2 cases in the right lower abdomen and 10 cases in the left lower abdomen. One patient had a relapse after simple suture repair. The diameter of the defect was 6 to 12 cm, with an average diameter of 9.7 cm. All patients had type Ⅲ hernia. The postoperative hospital stay was 3-9 days, with an average of 6.6 days. The follow-up period was 5 to 14 months, with an average of 9.5 months. All patients had no recurrence, and no complications such as hematoma, seroma, prolapse, stenosis, mesh infection, and incision infection occurred.

The application of Sublay-Keyhole method in situ repair of parastoma hernia has significant effect, simple operation and,significantly reduced cost, which is worthy of further promotion.