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Article type: Research Article
Authors: Hong, Haisen* | Sha, Mo | Chen, Zhangxin | Li, Yanwei | Kang, Liangqi
Affiliations: Department of orthopedics, The 909th Hospital, School of Medicine, Xiamen University, Zhangzhou, Fujian, China
Correspondence: [*] Corresponding author: Haisen Hong, Department of orthopedics, The 909th Hospital, School of Medicine, Xiamen University, Zhangzhou, Fujian 363000, China. E-mail: [email protected].
Abstract: BACKGROUND: Femoral neck fractures, which are fractures occurring from the femoral head to the base of the femoral neck, are prevalent in the elderly population. With the progression of societal aging, the incidence of femoral neck fractures has been steadily increasing, making it a significant global issue that urgently needs to be addressed. OBJECTIVE: To compare the efficacy and safety of dynamic hip screw (DHS) with anti-rotation screw and femoral neck system (FNS) internal fixation for the treatment of Garden II–IV type femoral neck fractures. METHODS: A total of 90 patients with Garden II–IV type femoral neck fractures were randomly assigned to either the control group (n= 45) treated with DHS and anti-rotation screw or the experimental group (n= 45) treated with FNS. Surgical outcomes, including incision size, blood loss, operation time, fluoroscopy frequency, and fracture healing time, were compared. Postoperative complication rates, reoperation rates, Harris scores, and visual analogue scale (VAS) scores were also assessed. RESULTS: The experimental group demonstrated significantly reduced incision length, blood loss, operation time, and fluoroscopy frequency compared to the control group (P< 0.01). No significant differences were observed in fracture healing time, Garden classification, or fracture reduction outcomes between the two groups (P> 0.05). At 6 months post-treatment, both groups showed significant improvements in Harris scores and VAS scores compared to pre-treatment (P< 0.05), with no significant differences between the groups (P> 0.05). The rates of internal fixation failure, nonunion, and avascular necrosis of the femoral head, as well as overall incidence of postoperative complications and reoperation rates, showed no significant differences between the two groups (P> 0.05). CONCLUSIONS: Both DHS with anti-rotation screw and FNS internal fixation demonstrated comparable efficacy and safety profiles in the treatment of Garden II–IV type femoral neck fractures. The experimental group showed advantages in terms of reduced incision length, blood loss, operation time, and fluoroscopy frequency, while maintaining similar clinical outcomes and complication rates.
Keywords: Femoral neck fractures, Garden II–IV classification, dynamic hip screw (DHS), anti-rotation screw, femoral neck system (FNS), internal fixation
DOI: 10.3233/THC-231547
Journal: Technology and Health Care, vol. Pre-press, no. Pre-press, pp. 1-9, 2024
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