Abstract
6560 Background: The use of reduced intensity conditioning regimens including non-myeloablative regimens in allogeneic hematopoietic stem cell transplant (allo SCT), has expanded the pool of transplant candidates in the United States. Nonetheless, allo SCT, is associated with significant morbidity and mortality especially in patients 65 and older. In our outpatient transplant program, allo SCT patients undergo a comprehensive physical and occupational therapy (PT/OT) evaluation pre-transplant. Methods: We retrospectively reviewed all patients undergoing an allo SCT between January 2019 and December 2022 who had a PT/OT evaluation pre-transplant. We analyzed lower extremity functional scale (LEFS) and fatigue score (FACIT). The FACIT score is a patient reported outcome tool where the lower the score, the less fatigue impacts a patient’s performance. Results: We identified 218 patients who had at least one variable reported. Eighty-one patients were 65 years of age or older. All patients in the 65 and older group had a RIC or NMA conditioning regimen. In the 65 and older group, 72.8% had an HCTCI score of 3 or more compared to 59.1% in the group younger than 65. In patients younger than 65, those who had a lower LEFS (ie less lower extremity strength), had a statistically significant longer hospital stay of 15.5 days compared to 9 days (p=0.003). In patients 65 and older, lower FACIT scores (ie less patient reported fatigue), resulted in a statistically significant shorter hospital stay of 7.5 days compared to 13 days (p=0.019). In addition, there was a trend towards shorter hospital stays in patient 65 and older who had a higher LEFS of 5 days compared to 12.5 days (p=0.07). There was no difference in survival outcomes but there was a trend towards better overall survival in patients 65 and older with high LEFS (p=0.08) and a trend towards better NRM in this group (p=0.11). Conclusions: Our study highlights the need for comprehensive assessments in patients undergoing allo SCT. Geriatric functional status assessments are necessary to determine patients at risk for complications and to optimize such patients with exercise and cognitive rehabilitation programs prior to allo SCT. [Table: see text]
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