Objective: If the appropriate internal fixation surgical method is not adopted for femoral neck fractures in young people, it may lead to serious consequences such as poor fracture healing and femoral head necrosis, affecting the quality of life and working ability of young people. Therefore, it is crucial to conduct in-depth research on the internal fixation surgical methods. This study compared the therapeutic effects of triple cannulated screws combined with a bone graft sleeve for parallel implantation of DBM Crunch internal fixation (CCSBGS) and cannulated compression screws (CCS).
Methods: Medical records on the young and middle-aged patients with femoral neck fracture treated with two different internal fixation methods from January 2020 to June 2023 were collected and retrospectively analyzed in the Trauma Emergency Center of the Third Hospital of Hebei Medical University. Two internal fixation groups are: CCSBGS group with 50 patients, 35 males and 15 females, aged (42.44 ± 14.07) years; CCS group with 80 males and 39 females, aged (41.5 ± 13.48) years. This study compared the outcome measures of two groups of patients, including Garden alignment index, Operation duration time, Intraoperative blood loss, Length of hospital stay, Postoperative complications, Femoral neck shortening, Postoperative ambulation time, Walking with sticks, Barthel score, and Harris score.
Results: There was a statistically significant difference in blood loss between the CCS group and the CCSBGS group; at the same time, the amount of bleeding in the CCS group was lower than that in the CCSBGS group (p < 0.01). During the follow-up period, there was a statistically significant difference in the incidence of osteonecrosis of the femoral head among the two groups (p < 0.05), 20 patients in the CCS group and 2 patients in the CCSBGS group developed osteonecrosis of the femoral head. At the last follow-up, the average degree of femoral neck shortening in the CCSBGS group [(0.49 ± 0.28) cm] was significantly lower than that in the CCS group [(0.87 ± 0.35) cm] (p < 0.05). Meanwhile, the postoperative ambulation time of the CCSBGS group is earlier than that of the CCS group (p < 0.05). In addition, the CCSBGS group had the highest Barthel scores [(95.50 ± 2.90)] (p < 0.05). The average Harris score in the CCSBGS group [(92.52 ± 2.41)] was higher than that in the CCS group [(90.47 ± 2.88)] (p < 0.05).
Conclusions: Compared with CCSBGS and CCS, CCSBGS shows better efficacy in terms of quicker return to weight-bearing activities, preservation of femoral neck length, reduction of the rate of osteonecrosis of the femoral head, and overall enhancement of hip function.
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