Acute and Critical Care

Case Report

Pulmonary
Successful noninvasive ventilation in a severely acidotic and hypercapnic comatose COVID-19 patient with multiple comorbidities: a case report: Joseph Abraham Poonuraparampil, Habib Md Reazaul Karim, Manu P Kesavankutty, Porika Prashanth Nayak; Acute Crit Care. 2022;37(1):120-123. Published online November 26, 2021; DOI: https://doi.org/10.4266/acc.2020.00983

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Effective use of noninvasive ventilation in patients with chronic obstructive pulmonary disease is well-known. However, noninvasive ventilation in patients presenting with altered sensorium and severe acidosis (pH <7.1) has been rarely described. Invasive mechanical ventilation is associated with high mortality in coronavirus disease 2019 (COVID-19), and use of noninvasive ventilation over invasive ventilation is an area of investigation. We report a case of COVID-19-induced acute exacerbation of chronic obstructive pulmonary disease in a 66-year-old male. His past medical history included obstructive sleep apnea, hypertension, cor pulmonale, atrial fibrillation, and amiodarone-induced hypothyroidism. On presentation, he had acute hypercapnic respiratory failure, severe acidosis (partial pressure of carbon dioxide [PCO2], 147 mm Hg; pH, 7.06), and altered mentation. The patient was successfully managed with noninvasive ventilation, avoiding endotracheal intubation, invasive ventilation, and related complications. Although precarious, a trial of noninvasive ventilation can be considered in COVID-19-induced acute exacerbation of chronic obstructive pulmonary disease with hypercapnic respiratory failure, severe acidosis, and altered mentation.

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