Higher risk for influenza‐associated pulmonary aspergillosis (IAPA) in asthmatic patients: A Swiss multicenter cohort study on IAPA in critically ill influenza patients.

Autor: Waldeck, Frederike, Boroli, Filippo, Zingg, Sandra, Walti, Laura N., Wendel‐Garcia, Pedro David, Conen, Anna, Pagani, Jean‐Luc, Boggian, Katia, Schnorf, Madeleine, Siegemund, Martin, Abed‐Maillard, Samia, Michot, Marc, Que, Yok‐Ai, Bättig, Veronika, Suh, Noémie, Kleger, Gian‐Reto, Albrich, Werner C.
Předmět:
Zdroj: Influenza & Other Respiratory Viruses; Jan2023, Vol. 17 Issue 1, p1-8, 8p
Abstrakt: Background: Influenza‐associated pulmonary aspergillosis (IAPA) is an important complication of severe influenza with high morbidity and mortality. Methods: We conducted a retrospective multicenter study in tertiary hospitals in Switzerland during 2017/2018 and 2019/2020 influenza seasons. All adults with PCR‐confirmed influenza infection and treatment on intensive‐care unit (ICU) for >24 h were included. IAPA was diagnosed according to previously published clinical, radiological, and microbiological criteria. We assessed risk factors for IAPA and predictors for poor outcome, which was a composite of in‐hospital mortality, ICU length of stay ≥7 days, mechanical ventilation ≥7 days, or extracorporeal membrane oxygenation. Results: One hundred fifty‐eight patients (median age 64 years, 45% females) with influenza were included, of which 17 (10.8%) had IAPA. Asthma was more common in IAPA patients (17% vs. 4% in non‐IAPA, P = 0.05). Asthma (OR 12.0 [95% CI 2.1–67.2]) and days of mechanical ventilation (OR 1.1 [1.1–1.2]) were associated with IAPA. IAPA patients frequently required organ supportive therapies including mechanical ventilation (88% in IAPA vs. 53% in non‐IAPA, P = 0.001) and vasoactive support (75% vs. 45%, P = 0.03) and had more complications including ARDS (53% vs. 26%, P = 0.04), respiratory bacterial infections (65% vs. 37%, P = 0.04), and higher ICU‐mortality (35% vs. 16.4%, P = 0.05). IAPA (OR 28.8 [3.3–253.4]), influenza A (OR 3.3 [1.4–7.8]), and higher SAPS II score (OR 1.07 [1.05–1.10]) were independent predictors of poor outcome. Interpretation: High clinical suspicion, early diagnostics, and therapy are indicated in IAPA because of high morbidity and mortality. Asthma is likely an underappreciated risk factor for IAPA. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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