Pneumothorax in Intubated Patients With COVID-19: A Case Series

Area of Science:

• Medicine
• Pulmonology
• Critical Care Medicine

Background:

• Mechanical ventilation is crucial for acute respiratory distress syndrome (ARDS).
• Pneumothorax is a known but rare complication of mechanical ventilation, potentially linked to high positive end-expiratory pressure (PEEP).
• The emergence of coronavirus disease 2019 (COVID-19) presented unique challenges in managing ARDS patients.

Purpose of the Study:

• To investigate the incidence and outcomes of pneumothorax in mechanically ventilated ARDS patients with COVID-19.
• To identify potential risk factors and characteristics associated with pneumothorax development in this patient cohort.
• To highlight the potential link between COVID-19 and increased risk of pneumothorax.

Main Methods:

• Retrospective case series analysis of nine mechanically ventilated ARDS patients with COVID-19 who developed pneumothorax.
• Data collected included patient demographics, risk factors (smoking, comorbidities), ventilator parameters (tidal volumes, PEEP), and treatment received.
• Comparison of outcomes, including mortality and time to pneumothorax development.

Main Results:

• All nine patients with COVID-19 ARDS on mechanical ventilation developed pneumothorax.
• Pneumothorax occurred despite the use of low tidal volumes, a practice aimed at reducing such complications.
• A 100% mortality rate was observed in this series, indicating pneumothorax is a critical complication in COVID-19 ARDS.

Conclusions:

• Pneumothorax appears to be a life-threatening complication in mechanically ventilated ARDS patients with COVID-19.
• COVID-19 itself may alter lung mechanics, increasing susceptibility to pneumothorax.
• Larger-scale studies are required to confirm the association between COVID-19 and pneumothorax and to elucidate underlying mechanisms.