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Article Navigation >  Chinese Journal of General Practice  > 2021  >  19(12): 2016-2019, 2101
JIANG Zhen, ZHENG Ming-jun, ZHAO Xiao-bo, BAO Tao, LI Cheng-nv. Analysis of influencing factors of the postoperative effect of unstable intertrochanteric fractures of PFNA-Ⅱ[J]. Chinese Journal of General Practice, 2021, 19(12): 2016-2019, 2101. doi: 10.16766/j.cnki.issn.1674-4152.002224
Citation: JIANG Zhen, ZHENG Ming-jun, ZHAO Xiao-bo, BAO Tao, LI Cheng-nv. Analysis of influencing factors of the postoperative effect of unstable intertrochanteric fractures of PFNA-Ⅱ[J]. Chinese Journal of General Practice, 2021, 19(12): 2016-2019, 2101. doi: 10.16766/j.cnki.issn.1674-4152.002224
shu

Analysis of influencing factors of the postoperative effect of unstable intertrochanteric fractures of PFNA-Ⅱ

doi: 10.16766/j.cnki.issn.1674-4152.002224
  • 1.

    Department of Orthopaedics, Chun'an Branch of Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 311700, China

Funds:

 2018KY149

  • Received Date: 2020-12-25
    Available Online: 2022-03-02
    Abstract
  •   Objective  To explore the factors affecting the effect of PFNA-Ⅱ after unstable femoral intertrochanteric fractures.  Methods  A total of 63 patients with unstable femoral intertrochanteric fractures who underwent PFNA-Ⅱ at the Chun'an Branch of Zhejiang Provincial People's Hospital from January 2016 to January 2019 were followed up for 1 year. According to the Harris function score of the hip joint after surgery, the patients were divided into the good group (Harris score ≥ 80 points) and poor group (Harris score < 80 points). The differences in general information and surgery-related indicators between the two groups were compared, and multivariate logistic regression analysis was performed.  Results  During the follow-up, 1 patient was lost to follow-up. At the last follow-up of the remaining 62 patients, 42 patients with Harris score ≥ 80 were classified as the good group, and the remaining 20 patients with Harris score < 80 were classified as the poor group. The rate of postoperative hip dysfunction was 32.26% (20/62). There were significant differences in BMI (25.31±4.63 vs. 27.96±4.72), osteoporosis ratio (47.62% vs. 85.00%), apex distance [(24.43±1.65) mm vs. (26.84±2.18) mm], lateral wall classification (type Ⅰ-Ⅲ, fractions are 61.90%, 33.33%, 4.76% vs. 30.00%, 40.00%, 30.00%), thickness of outer wall [(2.43±0.39) mm vs. (2.05±0.31) mm] between the two groups (all P < 0.05). The results of multivariate logistic regression analysis showed that the apex distance, lateral wall type and lateral wall thickness were independent influencing factors of hip joint function after PFNA-Ⅱ operation (all P < 0.05).  Conclusion  The large apex distance, poor integrity of the lateral wall and thin lateral wall are independent risk factors for hip dysfunction after PFNA-Ⅱ operation for unstable femoral intertrochanteric fractures.

     

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