[F-type forceps for assisted reduction in femoral shaft fractures surgery].

Objective: To explore clinical efficacy of F-type forceps for assisted reduction in femoral shaft fracture reduction.

Methods: Forty-five patients with femoral shaft fracture treated with intramedullary nail and internal fixation from January 2019 to December 2021 were retrospectively analyzed and divided into two groups according to different reduction methods. In observation group, there were 21 patients, included 15 males and 6 females, aged from 27 to 92 years old with an average of (53.38±18.81) years old;9 patients on the left side, 12 patients on the right side;7 patients were type A, 8 patients were type B and 6 patients were type C according to AO fracture classification;the time from injury to operation ranged from 7 to 13 days with an average of (4.62±3.34) days;reduction was assisted by F-shaped forceps. In control group, there were 24 patients, including 17 males and 7 females, aged from 20 to 92 years old with an average of (51.96±20.43) years old;12 patients on the left side, 12 patients on the right side;11 patients were type A, 8 patients were type B and 5 patients were type C according to AO fracture classification;the time from injury to operation ranged from 2 to 13 days with an average of (6.29±3.04) days;traditional reset mode was adopted. Operative time, intraoperative blood loss, intraoperative fluoroscopy times, intraoperative open reduction ratio, clinical healing time of fracture, postoperative complications, hospital stay, hospital cost and Lysholm score of knee joint at 6 and 12 months after surgery were compared between two groups to evaluate clinical effect.

Results: All patients were followed up for 12 to 24 months with an average of (16.60±3.45) months. In observation group, operative time, intraoperative blood loss, intraoperative fluoroscopy times, open reduction cases, and clinical healing time of fractures were (58.19±7.93) min, (88.10±44.45) ml, (25.29±5.54) times, 0 case, (4.76±0.77) months, respectively;while in control group was (79.33±22.94) min, (222.92±144.45) ml, (47.46±26.25) times, 5 cases, (7.13±1.80) months, and the difference between two groups were statistically significant (P<0.05). There were no significant difference in postoperative complications, length of stay and hospitalization cost between two groups (P>0.05). At 6 months after surgery, Lysholm score of knee joint in observation group (88.62±4.48) was better than that in control group (79.21±8.91) (F=21.948, P=0.000). There were no significant difference in support use, pain and squat score between two groups (P>0.05). At 12 months after surgery, Lysholm scores of stair climbing and pain in observation group were (9.62±1.20) and (19.76±1.92), which were better than those in control group (7.83±2.04) and (21.88±2.88) (P<0.05). There were no significant difference in scores and total scores of other items between two groups (P>0.05).

Conclusion: Compared with traditional reduction method, F-type forceps instrument could shorten operation time, reduce intraoperative blood loss, reduce intraoperative fluoroscopy times, accelerate clinical healing of fracture, and promote earlier functional recovery of knee joint.