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Impact of a specialized oral nutritional supplement on quality of life in older adults following hospitalization: Post-hoc analysis of the NOURISH trial.
Baggs, GE, Middleton, C, Nelson, JL, Pereira, SL, Hegazi, RM, Matarese, L, Matheson, E, Ziegler, TR, Tappenden, KA, Deutz, N
Clinical nutrition (Edinburgh, Scotland). 2023;42(11):2116-2123
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Malnutrition in hospitalised adults is recognized as a challenging health concern that is associated with many adverse outcomes. Malnutrition screening and assessment are essential for all patients admitted to the hospital and are particularly important for adults who are vulnerable. The aim of this study was to determine whether specialised oral-nutritional supplements (S-ONS) benefits were further associated with measurable improvements in quality of life (QoL) domains during the post-hospitalisation period. This study was a post-hoc analysis of NOURISH trial data. The NOURISH trial was a multicentre, prospective, randomised, double-blind, placebo-controlled, parallel-group study. Six-hundred and twenty-two patients were included in the intent-to-treat analysis. Results showed that malnourished, older patients who received daily interventions with S-ONS (during hospital stay and for 90-day post-discharge) had significantly better QoL domain scores compared to those who received only placebo intervention. Specifically, there were significant differences in the QoL domains of mental health/ cognition, vitality, social functioning, and general health. Further, there were significant QoL differences for physical component, physical functioning, bodily pain, and emotional role. Authors concluded that among malnourished, hospitalised patients (aged 65 years and over), supplementation with S-ONS during the hospitalisation and 90-days post discharge resulted in improvements in QoL.
Abstract
BACKGROUND & AIMS Both during and after hospitalization, nutritional care with daily intake of oral nutritional supplements (ONS) improves health outcomes and decreases risk of mortality in malnourished older adults. In a post-hoc analysis of data from hospitalized older adults with malnutrition risk, we sought to determine whether consuming a specialized ONS (S-ONS) containing high protein and beta-hydroxy-beta-methylbutyrate (HMB) can also improve Quality of Life (QoL). METHODS We analyzed data from the NOURISH trial-a randomized, placebo-controlled, multi-center, double-blind study conducted in patients with congestive heart failure, acute myocardial infarction, pneumonia, or chronic obstructive pulmonary disease. Patients received standard care + S-ONS or placebo beverage (target 2 servings/day) during hospitalization and for 90 days post-discharge. SF-36 and EQ-5D QoL outcomes were assessed at 0-, 30-, 60-, and 90-days post-discharge. To account for the missing QoL observations (27.7%) due to patient dropout, we used multiple imputation. Data represent differences between least squares mean (LSM) values with 95% Confidence Intervals for groups receiving S-ONS or placebo treatments. RESULTS The study population consisted of 622 patients of mean age ±standard deviation: 77.9 ± 8.4 years and of whom 52.1% were females. Patients consuming placebo had lower (worse) QoL domain scores than did those consuming S-ONS. Specifically for the SF-36 health domain scores, group differences (placebo vs S-ONS) in LSM were significant for the mental component summary at day 90 (-4.23 [-7.75, -0.71]; p = 0.019), the domains of mental health at days 60 (-3.76 [-7.40, -0.12]; p = 0.043) and 90 (-4.88 [-8.41, -1.34]; p = 0.007), vitality at day 90 (-3.33 [-6.65, -0.01]; p = 0.049) and social functioning at day 90 (-4.02 [-7.48,-0.55]; p = 0.023). Compared to placebo, differences in LSM values for the SF-36 general health domain were significant with improvement in the S-ONS group at hospital discharge and beyond: day 0 (-2.72 [-5.33, -0.11]; p = 0.041), day 30 (-3.08 [-6.09, -0.08]; p = 0.044), day 60 (-3.95 [-7.13, -0.76]; p = 0.015), and day 90 (-4.56 [-7.74, -1.38]; p = 0.005). CONCLUSIONS In hospitalized older adults with cardiopulmonary diseases and evidence of poor nutritional status, daily intake of S-ONS compared to placebo improved post-discharge QoL scores for mental health/cognition, vitality, social functioning, and general health. These QoL benefits complement survival benefits found in the original NOURISH trial analysis. CLINICAL TRIAL REGISTRATION NCT01626742.