Objective/background: Allogeneic hematopoietic stem cell transplantation (allo-HSCT) has improved outcomes and prognosis, but it has many complications and is associated with impaired physical function. To solve this problem, it is necessary to further analyze the factors that cause the decline in physical function. In the present study, we hypothesized that kidney disease following allo-HSCT would be associated with impaired physical function, in addition to conventional factors, and tested this hypothesis retrospectively.
Methods: Thirty-one patients who underwent allo-HSCT at the Department of Hematology in our hospital from January 2016 to October 2021 were included in the analysis. Correlation analysis and stepwise multiple regression analysis with change in 30-second sit to stand test (Δ30-s STS) as the dependent variable were performed to identify predictors of physical function decline from pretransplant to discharge.
Results: The mean age of participants was 43.9 years (SD = 11.8), the mean time from transplant to discharge was 103.1 days (SD = 35.0), and approximately 30% of patients had kidney disease following allo-HSCT. All patients were ambulatory and independent at discharge, but 30-s STS was significantly reduced (P < .001). Among various factors, age (β = -0.464, P < .05), total corticosteroid dose (β = -0.380, P < .05), and kidney disease after allo-HSCT (β = -0.307, P < .05) were the independent predictors of Δ30-s STS (R2 = 0.592, adjusted R2 = 0.547, F = 13.072, P < .01).
Conclusion: Kidney disease after allo-HSCT is one of the factors that may contribute to poor physical function, and patients who experience this condition may require additional follow-up to improve physical function.
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