ArticleClinical parkinsonism & related disorders2026
Survival benefit of enteral nutrition and airway interventions in multiple system atrophy.
Article in Clinical parkinsonism & related disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Dysphagia in multiple system atrophy (MSA) leads to pneumonia and malnutrition, impacting survival. This study evaluated the association between enteral nutrition (EN) and survival and described outcomes of laryngotracheal separation (LTS). Methods: We retrospectively analyzed 158 patients with probable/definite MSA (2000-2025). Survival from onset was evaluated using Simon-Makuch curves, Mantel-Byar tests with time-dependent EN, and Kaplan-Meier analysis with propensity score matching (PSM) and restricted mean survival time (RMST). Competing risk analyses (Fine-Gray models) assessed the cumulative incidence of death and respiratory interventions (tracheostomy or tracheostomy invasive ventilation [TIV]). Clinical outcomes of LTS ( Results: Eighty-seven patients received EN; median survival after EN initiation was 4.3 years. Simon-Makuch analysis showed lower survival in the EN group, reflecting late-stage introduction. After PSM, EN was associated with a modest survival advantage at 7 years (RMST difference 0.68 years, Conclusion: EN was independently associated with a statistically significant but clinically modest survival advantage, largely by facilitating a comprehensive care pathway including respiratory management. In a small LTS series, the prevention of pneumonia-related death and potential quality-of-life benefits support early structured advance care planning in advanced MSA.
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