Comparison of dislocation rate between two diffcrent surgical methods in treatment of senile femoral neck fracture by posterolateral approaches

doi:10.3877/cma.j.issn.1674-134X.2021.05.015

Abstract

Abstract:

Objective

To compare and analyze the dislocation rate of total hip replacement (THA) and artificial bipolar femoral head replacement (BHA) under the posterolateral approach for the treatment of elderly patients with femoral neck fractures.

Methods

A retrospective analysis of 347 patients with femoral neck fractures who were admitted to the Department of Arthritis, Quanzhou Orthopedic Hospital Affiliated to Fujian University of Traditional Chinese Medicine from January 2018 to January 2020 and had been followed up for at least one year, was performed. Information about gender, age, body mass index (BMI), time from fracture to operation, compliance with hip joint preventive measures, and correlation between age and questionnaire scores were compared between the two groups of dislocated and non-dislocated patients, by rank sum test and t test.

Results

A total of 10 patients had dislocation within one year after the operation. The dislocation rate of BHA patients was 5.7%, which was higher than that of THA patients (1.3%) (P=0.026). The age of the dislocation group was elder than the non-dislocation group (t=2.318, P<0.05). As for the hip joint preventive measures compliance questionnaire score, the BHA group (76±16) was lower than the THA group (83±11) (U=10038, P<0.05). In the BHA and THA groups, while the score of the patients with dislocations [the BHA group(56±14), the THA group(62±9)] showed lower scores than those without dislocations[BHA group (76±16), THA group(84±9)](F=34.25, P<0.05); while the age factor was negatively correlated with the hip joint preventive measures compliance questionnaire score (R²=0.79, P<0.05). The regression equation was Y=-0.6523x+ 125.7.

Conclusion

Good compliance with hip dislocation prevention measures is an important factor in preventing dislocation, which may provide a certain theoretical basis for clinicians to pay attention and guide patients preventing hip dislocation as planned.

Key words: Arthroplasty, replacement, hip, Hip dislocation, Patient education as topic, Patient compliance

Zhikun Zhuang, Wensheng Wang, Ziqi Li, Peng Peng, Hanghui Lin, Zhibing Gong, Qianjin Zhang, Tianran Wu, Zhaoke Wu. Comparison of dislocation rate between two diffcrent surgical methods in treatment of senile femoral neck fracture by posterolateral approaches[J]. Chinese Journal of Joint Surgery(Electronic Edition), 2021, 15(05): 618-622.

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References 14

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组别	例数	脱位病例	非脱位病例
BHA	122	7(5.7)	116(94.3)
THA	225	3(1.3)	222(98.7)
P值			0.026^*

组别	例数	脱位病例	非脱位病例
BHA	122	7(5.7)	116(94.3)
THA	225	3(1.3)	222(98.7)
P值			0.026^*

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