Valsalva Manoeuvre-Induced Pneumothorax and Pneumomediastinum in a Covid-19 Patient with ARDS: An Unusual Mechanism for This Complication

Overview

Journal Eur J Case Rep Intern Med

Specialty General Medicine

Date 2024 Mar 8

PMID 38455690

Authors

Totawatte Don Srilak Weerawardane

Nils Burgisser

Amandine Berner

Matteo Coen

Affiliations

Soon will be listed here.

Abstract

Background: Until now, only a few cases of Valsalva-induced barotraumas (pneumothorax, pneumomediastinum and subcutaneous emphysema) have been described, and none of them among COVID-19 patients.

Case Description: A man in his 50s was admitted for SARS-CoV-2-related acute respiratory distress syndrome (ARDS). Initial evolution was favourable with non-invasive ventilatory support, high-flow oxygen nasal cannula and the best supportive drugs available at the time. During the Valsalva manoeuvre while defecating, the patient reported sudden chest pain and showed a new acute hypoxemic respiratory failure due to a pneumothorax. It led to multiple complications (pulmonary embolism, haemoptysis, and cardiac arrest), and despite the best supportive care, led to the patient's death.

Discussion: The Valsalva manoeuvre can be an overlooked cause of pneumothorax in patients with COVID-19. Predisposition to barotrauma in COVID-19 patients could be explained by several factors, including the extensive use of non-invasive and invasive ventilation during the pandemic, and the histological changes observed in the lungs of those infected with COVID-19.

Conclusion: We report the first description of a Valsalva-induced barotrauma in a COVID-19 infection. We emphasise the importance of treating constipation particularly in severe COVID-19 cases, to prevent complications such as barotrauma.

Learning Points: Pneumothorax is a common complication of severe COVID-19 infection, but Valsalva manoeuvre-induced pneumothorax in COVID-19 patients has never been reported previously.Particular care should be taken to prevent and treat constipation in hospitalised patients as it may cause a wide range of complications, including barotraumatism.The extensive use of non-invasive and invasive ventilation may play a role in barotrauma, but causal association has not been proven.

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