Hospital Associated Disability among Older Adults with Plasma Cell Disorders Receiving Autologous Stem Cell Transplant.
Transplant Cell Ther
; 2024 Jun 12.
Article
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| MEDLINE
| ID: mdl-38876427
ABSTRACT
Increasing number of older adults with Plasma Cell Disorders (PCDs) are receiving autologous stem cell transplant (ASCT) in the US. Hospital associated disability (HAD) is a common complication associated with acute care hospitalization among older adults. To estimate the prevalence and prognostic significance of HAD among older adults with MM undergoing ASCT. This retrospective cohort study used consecutive adults ≥ 18 y with PCD receiving ASCT at a single institution between 1/2013 and 5/2023. Trained nursing staff assessed Katz Activities of Daily Living (ADL) at admission and every 3 days thereafter under our Virtual Acute Care for Elders program. The primary outcome was development of HAD defined as ≥1 point decline on the Katz Activities of Daily Living (ADL) scale from hospital admission to discharge. We examined the association between putative risk factors such as age, Karnofsky performance status (KPS), baseline ADL score, Hematopoietic Cell Transplantation-specific Comorbidity Index (HCT-CI) and HAD using modified Poisson regression models with robust variance estimators. Subsequently, we studied the impact of HAD on downstream adverse events including 30-day readmission rates and long term survival. We included 778 adults with a median age of 62 y (QR 56-68 y), with 56% males and 55% non-Hispanic Whites. In the overall population, 112 (14.4%) developed HAD, with much higher incidence among older adults ≥ 65 y compared to those <65 y at ASCT (22% vs. 9%, P value < .01). In multivariable analysis, increasing age (RR 1.56; 95% CI 1.25-1.94, per 10 y increase), female sex (RR 1.79; 95% CI 1.27-2.53) and KPS ≤ 70 (RR 2.55; 95% CI 1.32-4.94) were associated with an increased risk of developing HAD. As compared to those without, patients with HAD had a two-fold higher risk of 30-day readmission (95% CI 1.16-3.39) and a 3.7-fold increased risk of all-cause mortality (95% CI 2.15-6.22). Nearly one in 4 older adults ≥ 65 y developed HAD while undergoing ASCT which was associated with a two-fold increased risk of 30-day readmission. Interventions to prevent HAD and its downstream consequences are critically needed.
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Transplant Cell Ther
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2024
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Article