Respiratory Infection Triggering Severe Acute Exacerbations of Chronic Obstructive Pulmonary Disease.

"Disclosure Matthieu Jamme reports honoraria by Sanofi for a lecture during JAMIR Congress 2022, outside the submitted work. Alexis Ferré reports honoraria by Fisher & Paykel for a lecture during SFMU Congress 2022, outside the submitted work. The authors report no other conflicts of interest in this work."

"The study was supported by the French public funding agency Délégation à la Recherche Clinique et à l’Innovation (DRCI), Le Chesnay, France."

"This single-center, observational, retrospective study was granted ethical approval by our national ethical institution, the Ethics Committee of the French Intensive Care Society, under the reference number 21–66 for the “BPCO Réa study” on August 10, 2021. Furthermore, the study was registered with the French National Institute for Health Data under the identifier MR2516271119. Procedures were followed in accordance with institutional ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975. Informed consent was sought from the patients upon recovery, in compliance with French law. The 28-bed ICU is in a university-affiliated tertiary hospital in the Paris area with 800 medical and surgical beds."