BACKGROUND: We describe the clinical epidemiology and outcomes among a large cohort of older adults hospitalized with respiratory syncytial virus (RSV) infection in the United States. METHODS: Hospitalized adults aged ≥60 years who tested positive for RSV between 1 January 2011 and 30 June 2015 were identified from Kaiser Permanente Southern California. Patient-level demographics, comorbidities, clinical presentation, utilization, complications, and mortality were evaluated. RESULTS: There were 664 patients hospitalized with RSV (61% female, 64% aged ≥75 years). Baseline chronic diseases were prevalent (all >30%); 66% developed pneumonia, 80% of which were radiographically confirmed. Very severe tachypnea (≥26 breaths/minute) was common (56%); 21% required ventilator support and 18% were admitted to intensive care unit. Mortality during hospitalization was 5.6% overall (4.6% in 60-74 year olds and 6.1% in ≥75 year olds). Cumulative mortality within 1, 3, 6, and 12 months of admission was 8.6%, 12.3%, 17.2%, and 25.8%, respectively. CONCLUSION: RSV infection in hospitalized older adults often manifested as severe, life-threatening lower respiratory tract illness with high rates of pneumonia, requirement for ventilatory support, and short- and long-term mortality. Increased recognition of the substantial RSV disease burden in adults will be important in evaluation and use of urgently needed interventions.
BACKGROUND: We describe the clinical epidemiology and outcomes among a large cohort of older adults hospitalized with respiratory syncytial virus (RSV) infection in the United States. METHODS: Hospitalized adults aged ≥60 years who tested positive for RSV between 1 January 2011 and 30 June 2015 were identified from Kaiser Permanente Southern California. Patient-level demographics, comorbidities, clinical presentation, utilization, complications, and mortality were evaluated. RESULTS: There were 664 patients hospitalized with RSV (61% female, 64% aged ≥75 years). Baseline chronic diseases were prevalent (all >30%); 66% developed pneumonia, 80% of which were radiographically confirmed. Very severe tachypnea (≥26 breaths/minute) was common (56%); 21% required ventilator support and 18% were admitted to intensive care unit. Mortality during hospitalization was 5.6% overall (4.6% in 60-74 year olds and 6.1% in ≥75 year olds). Cumulative mortality within 1, 3, 6, and 12 months of admission was 8.6%, 12.3%, 17.2%, and 25.8%, respectively. CONCLUSION:RSVinfection in hospitalized older adults often manifested as severe, life-threatening lower respiratory tract illness with high rates of pneumonia, requirement for ventilatory support, and short- and long-term mortality. Increased recognition of the substantial RSV disease burden in adults will be important in evaluation and use of urgently needed interventions.
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Authors: Sebastian Schnaubelt; Felix Eibensteiner; Marieke Merrelaar; Daniel Tihanyi; Robert Strassl; Christian Clodi; Hans Domanovits; Heidrun Losert; Michael Holzer Journal: Medicina (Kaunas) Date: 2022-08-18 Impact factor: 2.948