Comparison of the clinical efficacy of three cannulated screws with parallel distribution and inverted triangular distribution in the treatment of femoral neck fractures in the elderly

Liu,Jiuxiang; Zuo,Qiang; Zhou,Hao; Huang,Xiaowen

doi:10.3892/etm.2023.12197

Comparison of the clinical efficacy of three cannulated screws with parallel distribution and inverted triangular distribution in the treatment of femoral neck fractures in the elderly

Authors:
- Jiuxiang Liu
- Qiang Zuo
- Hao Zhou
- Xiaowen Huang
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Affiliations: Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University (Jiangsu Province Hospital), Nanjing, Jiangsu 210029, P.R. China
Published online on: September 6, 2023 https://doi.org/10.3892/etm.2023.12197
Article Number: 498

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Abstract

The aim of the present study was to investigate the clinical efficacy of three cannulated screws with parallel distribution in comparison with the ‘gold standard’ of inverting three cannulated screws with triangular distribution, in the treatment of femoral neck fractures in the elderly. A total of 106 elderly patients with femoral neck fractures treated at the Department of Orthopedics of the First Affiliated Hospital of Nanjing Medical University (Jiangsu Provincial Hospital) from October 2018 to March 2020 were retrospectively analyzed and divided into groups A and B. Group A consisted of 51 patients with a mean age of 73.3±6.8 years; and group B consisted of 55 patients with a mean age of 74.5±7.3 years. Group A was treated with closed reduction + inverted triangular distribution of three cannulated screws, while group B was treated with closed reduction + parallel distribution of three cannulated screws, and the general surgical conditions, including fracture reduction quality, fracture healing, incidence of avascular necrosis of the femoral head, and functional recovery scale (FRS) score of hip joint function were assessed in both groups. All patients were followed up for an average of 14.8 months. Compared with group A, group B had significant advantages in operation time, number of times intraoperative fluoroscopy was performed, number of intraoperative guide wire adjustments, and proportion of postoperative referrals to the intensive care unit (P<0.05). There were no significant differences in fracture reduction quality, fracture healing, incidence of avascular necrosis of the femoral head, and FRS score of hip joint function between groups A and B (P>0.05). For elderly patients with femoral neck fractures, distributing three cannulated screws in parallel after closed reduction achieved similar clinical efficacy to ‘gold standard’ inverted triangular distribution, and had obvious advantages in operation time, with significantly reduced surgical difficulty. This procedure is therefore deemed worthy of promotion and clinical application in the primary hospitals of China.

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