Objective: To explore the value of criminal fold priority separating (CFPS) in reduction of iatrogenic splenic injury in laparoscopic radical gastrectomy.
Methods: Complete videos of 270 patients undergoing laparoscopic radical gastrectomy in Guangdong Provincial Hospital of Chinese Medicine were reviewed. Anatomic features of criminal fold (CF) were summarized. The relationship between CFPS and iatrogenic splenic injury was examined. CF was defined as the ligament between omentum and spleen. CFPS was defined as that CF was separated before the left half gastrocolic omentum was dissected. Splenic injury was further compared between CFPS group and non-CFPS group.
Results: CF occurred in 81.5% cases (220/270), presenting one bunch or multiple bunches. CF appeared most commonly in the lower pole of spleen (76.7%, 207/270), then in middle spleen (14.1%, 38/270) and upper pole (9.6%, 26/270). CFPS was performed in 20% cases (54/270) and 80% cases (216/270) were non-CFPS. The incidence of iatrogenic splenic injury was 11.1% (30/270), and this incidence of CFPS group was lower as compared to non-CFPS group (3.7%, 2/54 vs. 13.0%, 28/216), but the difference was not significant (P=0.07). Of 30 patients with splenic injury, 24(80%) were due to traction of CF and all were in non-CFPS group. Instrument injury occurred in 20% cases(6/30) and 2 were in CFPS group and 4 were in non-CFPS group. Most iatrogenic splenic injuries were successfully handled with electrocoagulation, adhesive and compression, except 2 patients underwent open splenectomy for serious splenic injury in non-CFPS group.
Conclusion: In laparoscopic surgery for gastric cancer, iatrogenic splenic injury mostly results from improper traction of CF and CFPS can reduce the incidence of iatrogenic splenic injury.
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