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Article Dans Une Revue Clinical Nutrition Année : 2022

Malnutrition and decreased food intake at diagnosis are associated with hospitalization and mortality of idiopathic pulmonary fibrosis patients

Résumé

INTRODUCTION AND AIMS: Malnutrition is frequent in patients with idiopathic pulmonary fibrosis (IPF). We examined the relationship between malnutrition at diagnosis and all-cause hospitalization, survival, and acute exacerbation in newly diagnosed IPF patients. METHODS: In this prospective cohort study, the nutritional status of 153 consecutive newly-diagnosed IPF outpatients was evaluated by measuring body mass index (BMI), fat-free mass index (FFMI) with bioelectrical impedance analysis, and food intake with the Self Evaluation of Food Intake (SEFI)®. Diagnosis was taken as the baseline date and malnutrition was defined as an FFMI below 17 (men) or 15 kg/m(2) (women). To determine the factors associated with all-cause hospitalization and mortality, univariate Cox regression analyses were performed and variables with P < 0.2 were included in a stepwise multivariable analysis. RESULTS: A quarter (26%; 40/153) of the patients were suffering from malnutrition at baseline, which was more frequent (62%) in patients whose BMI was <25 kg/m(2). Patients whose baseline FFMI was low were more likely to be hospitalized (Hazard Ratio (HR) = 1.98 [95% confidence interval, 1.15; 3.41], P = 0.0139) and/or die (HR = 1.79 [1.11; 2.89], P = 0.0165), but their acute exacerbation rate was similar to that of patients with normal FFMIs. Decreased food intake (SEFI®<7) at baseline was associated with all-cause hospitalization (P = 0.003) and mortality (P < 0.0001) during follow-up. Baseline higher gender-age-physiology (GAP) scores (HR = 1.24 [1.01; 1.52], P = 0.0434; HR = 1.71 [1.37; 2.14], P < 0.0001, respectively), lower BMI (HR = 0.89 [0.83; 0.96], P = 0.003; HR = 0.89 [0.82; 0.96], P = 0.003), and decreased food intake (SEFI® score) (HR = 0.81 [0.71; 0.93], P = 0.003; HR = 0.72 [0.64; 0.81], P < 0.0001), but not FFMI, were independently associated with all-cause hospitalization and mortality rates during follow-up. CONCLUSIONS: Malnutrition and decreased food intake at IPF diagnosis are associated with all-cause hospitalization and mortality. Future studies will determine whether dedicated interventions to improve food intake and nutritional status could improve outcomes for IPF patients.
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hal-03689797 , version 1 (30-06-2022)

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Stéphane Jouneau, Chloé Rousseau, Mathieu Lederlin, Alain Lescoat, Mallorie Kerjouan, et al.. Malnutrition and decreased food intake at diagnosis are associated with hospitalization and mortality of idiopathic pulmonary fibrosis patients. Clinical Nutrition, 2022, 41 (6), pp.1335-1342. ⟨10.1016/j.clnu.2022.05.001⟩. ⟨hal-03689797⟩
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