Objective To explore the efficacy of modified incision placement PFNA for patients with intertrochanteric fracture. Methods The study included 86 patients with intertrochanteric fracture who underwent closed reduction and PFNA internal fixation from January 2017 to December 2018. There were 48 patients with modified minor incision surgery; 38 patients with standard incision surgery.The length of operation, C-arm fluoroscopy times, length of proximal incision, operative blood loss, length of hospital stay, and 1 year after operation were recorded and evaluated using Harris score and Charnley score in both groups. Results ① There were no significant differences in the gender composition and mean age of the included patients (P>0.05); ② The length of hospital stay between the two groups was not significantly different (P>0.05); ③ The modified incision group had a shorter incision length and operation time, blood loss and intraoperative fluoroscopy times were reduced, and the Harris score and Charnley score were higher than those of the standard incision group at 1-year postoperative follow-up. Conclusions The operation of PFNA implantation under the improved incision has the advantages of positioning without fluoroscopy, reduced operation time, smaller surgical incision, less bleeding, and less surgical damage.
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