Abstract
Background
Malnutrition has been linked with higher risk of poor outcomes post-allogeneic stem cell transplantation (alloSCT), however few studies have used a validated nutrition assessment tool such as the Patient Generated Subjective Global Assessment (PG-SGA) to measure nutritional status and investigate associations with long-term clinical outcomes. This study aimed to assess the incidence of malnutrition prior to alloSCT and determine if there was an association between nutritional status pre-transplant and post-transplant clinical outcomes including acute kidney injury, graft-versus-host disease, intensive care admission (ICU), need for haemodialysis and survival.
Methodology
A retrospective analysis of 362 patients (213 m:149 f, mean age±SD 47.8±14.1y) who underwent alloSCT from 2008 to 2013 was conducted. Data on clinical outcomes was obtained for five years post-transplant.
Results
Fifteen percent (n=56) of patients were identified as malnourished pre-admission. Malnutrition was associated with longer hospital stay (p=0.007), increased requirement for haemodialysis (p=0.016), and increased admissions to ICU (p=0.003). There was no association between malnutrition and acute kidney injury, graft-versus-host disease or survival. Following multivariate analyses, malnutrition remained significantly associated with increased admission rates to ICU (OR 3.8, 95%CI 1.3 – 10.5, p=0.011) and increased LOS>30 days (OR 3.6. 95%CI 1.8-7.4, p=<0.001).
Conclusion
These findings add importance to the need for nutrition screening and assessment to be routinely undertaken for patients prior to alloSCT and throughout hospitalisation in order to provide early nutrition intervention for the prevention of malnutrition, poor clinical outcomes, and increased healthcare costs.
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