Meta-analysis of the clinical effectiveness of abdominal aortic balloon occlusion for pelvic tumor treatment under color doppler ultrasound

Background: this paper aimed to assess the clinical effects of abdominal aortic balloon occlusion (aabo) under color doppler ultrasound guidance in treating pelvic tumors. materials and methods: various databases, which contained china national knowledge infrastructure, wanfang data, chinese biomedical literature database, pubmed, excerpta medica database (embase), and cochrane library, were used for searching randomized controlled studies published from 2010 to present. the quality of the literature was assessed using the newcastle-ottawa scale (nos). outcome measurements included intraoperative blood loss, transfusion volume, operative time, hospital stay, recurrence, and postoperative complications. results: six reference articles were obtained, including 223 patients who underwent aabo and 300 patients who did not. the nos score was greater than 7 points in both groups. meta-analysis showed that the intraoperative blood loss, transfusion volume, and surgery duration of patients undergoing pelvic tumor resection with aabo were all reduced (95% confidence interval (ci): -1504.53~-762.10, p<0.00001; 95% ci: -902.22~-575.45, p<0.00001; 95% ci: -80.20~-26.54, p<0.0001). no difference was discovered in the occurrence of postoperative complications, including nerve injury (95% ci: 0.30~1.34, p=0.23) and urethral injury (95% ci: 0.19~1.97, p=0.41) between both groups. the incidence of wound infection was relatively low (95% ci: 0.22~0.81, p=0.010). additionally, no difference was discovered in hospital stay (95% ci: -6.85~0.79, p=0.12) and recurrence (95% ci: 0.45~1.53, p=0.12) between both groups (p>0.05). conclusion: aabo under color doppler ultrasound guidance can reduce intraoperative blood loss, transfusion volume, and operative time during pelvic tumor resection and can also reduce the incidence of some postoperative complications.