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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2024, Vol. 18 ›› Issue (04): 450-456. doi: 10.3877/cma.j.issn.1674-134X.2024.04.004

• CLINICAL RESEARCH • Previous Articles    

Influencing factors of femoral head necrosis after allogeneic hematopoietic stem cell transplantation in leukemia

Ganlin He1,(), Xiangnong Chen1, Ping Li1, Jiayi Zhen1, Jingxia Li1, Waiyi Zou1, Duorong Xu1   

  1. 1. Department of Hematology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510080, China
  • Received:2023-11-01 Online:2024-08-01 Published:2024-09-14
  • Contact: Ganlin He

Abstract:

Objective

To investigate the influencing factors of osteonecrosis of the femoral head (ONFH) in patients with hematologic malignancies after allogeneic hematopoietic stem cell transplantation (allo-HSCT).

Methods

Data of leukemia patients who underwent allo-HSCT in the Department of Hematology at the First Affiliated Hospital of Sun Yat-sen University between January 2016 and December 2021 were retrospectively collected. The patients with complete clinical data were enrolled, while the patients with incomplete data or short-term follow-up time were excluded. A total of 40 patients were included, and 18 potential influencing factors were analyzed using logistic regression with 1:3 matched design based on gender, age, and disease status during the same period.

Results

In the univariate logistic regression analysis, statistically significant factors for ONFH included cystitis [odds ratio (OR)= 5.967, 95% confidence interval (CI) (1.209, 29.443), P = 0.028], methylprednisolone dosage at six months after transplantation [OR = 2.108, 95%CI(1.008, 4.408), P=0.048], and extreme difference in serum calcium after transplantation (i.e., the difference between the maximum and minimum values of blood calcium after transplantation) [OR=2.377, 95%CI(1.127, 5.014), P=0.023]. In the multivariate logistic regression analysis, only the extreme difference in blood calcium levels after transplantation remained statistically significant[OR=2.377, 95%CI(1.127, 5.014), P=0.023].

Conclusion

A large difference in blood calcium levels after transplantation is a risk factor for ONFH in leukemia patients undergoing allo-HSCT.

Key words: Hematopoietic stem cell transplantation, Femur head necrosis, Logistic models

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