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Purpose <p>Physical function frequently declines after allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, the influence of disease status and general condition at the time of transplantation on longitudinal functional changes remains unclear.</p> Methods <p>This retrospective study included 135 adult patients with hematological malignancies who underwent their first allo-HSCT and completed physical function assessments before transplantation and at discharge. Handgrip strength and 6-min walk distance (6MWD) were evaluated. Patients were stratified according to disease status (complete remission [CR] vs. non-CR) and general condition (performance status [PS]).</p> Results <p>Both handgrip strength and 6MWD decreased significantly after transplantation in all groups. No significant differences in functional changes were observed between the CR and non-CR groups. In contrast, patients with poor PS at transplantation tended to show a greater decline in 6MWD than those with good PS. Multiple regression analysis identified PS at transplantation, age, sex, and change in the hemoglobin level as significant factors associated with changes in 6MWD.</p> Conclusion <p>Pre-transplant PS was associated with a greater post-transplant decline in endurance capacity, regardless of disease status. PS may serve as a practical clinical indicator for identifying patients at higher risk of physical function deterioration and guiding early targeted rehabilitation interventions.</p>

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Impact of disease status and general condition on changes in physical function before and after allogeneic hematopoietic stem cell transplantation

  • 期刊论文

  • 发表日期：

    2026年6月15日

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  • Takahiro Takekiyo,
  • Yoshikiyo Ito,
  • Koichiro Dozono,
  • Takayoshi Miyazono,
  • Masahito Tokunaga,
  • Jun Odawara,
  • Nobuaki Nakano,
  • Satoshi Fujino,
  • Soichiro Nara,
  • Shuichiro Shimoyama,
  • Atae Utsunomiya

摘要

Purpose

Physical function frequently declines after allogeneic hematopoietic stem cell transplantation (allo-HSCT). However, the influence of disease status and general condition at the time of transplantation on longitudinal functional changes remains unclear.

Methods

This retrospective study included 135 adult patients with hematological malignancies who underwent their first allo-HSCT and completed physical function assessments before transplantation and at discharge. Handgrip strength and 6-min walk distance (6MWD) were evaluated. Patients were stratified according to disease status (complete remission [CR] vs. non-CR) and general condition (performance status [PS]).

Results

Both handgrip strength and 6MWD decreased significantly after transplantation in all groups. No significant differences in functional changes were observed between the CR and non-CR groups. In contrast, patients with poor PS at transplantation tended to show a greater decline in 6MWD than those with good PS. Multiple regression analysis identified PS at transplantation, age, sex, and change in the hemoglobin level as significant factors associated with changes in 6MWD.

Conclusion

Pre-transplant PS was associated with a greater post-transplant decline in endurance capacity, regardless of disease status. PS may serve as a practical clinical indicator for identifying patients at higher risk of physical function deterioration and guiding early targeted rehabilitation interventions.