| Objective To explore the clinical effect of using high-frequency and three-dimensional intracavitary ultrasound exploration combined with multi-space drainage surgery in the treatment of complex perianal abscess. Methods A total of 96 patients with complex perianal abscess who were treated at Jinan Huaiyin Hospital of Shandong Provincial Hospital from January 2020 to March 2022 were selected. They were divided into the group based on high-frequency and three-dimensional ultrasound exploration combined with multi-space drainage, namely, the observation group（n=32）, the simple incision and drainage surgery group（n=32）, and the incision-thread-drawing surgery group（n=32）, based on the random number table method. The operation time, hospital stay, pain within 4 weeks after the operation, incision exudation, incidence of postoperative complications, and the sphincter function and formation of anal fistula in each group during the 6-month follow-up after the operation were compared among the three groups. Results Comparative analysis revealed significant differences among the three groups in operative duration, hospital stay, postoperative complication rates, as well as long-term sphincter function（6-month follow-up）（P＜0.05）. At 4 weeks postoperation, the observation group demonstrated significantly improved wound recovery, with markedly lower pain（0.97±0.69） and exudation scores（1.06±0.25） compared to both simple incision drainage（2.19±0.93,1.84±0.37） and seton groups（3.06±1.19,2.41±0.61）（P＜0.05）. There was no statistically significant difference in terms of anal fistula formation among the three groups（P＞0.05）. Conclusion The treatment of complex perianal abscesses based on high-frequency and three-dimensional intracavitary ultrasound exploration combined with multi-space drainage has obvious advantages over simple incision and drainage and incision-thread-drawing surgery. |
