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Prognostic Value of Acute Cor Pulmonale in COVID-19-related Pneumonia: A Prospective Study.

Abstract : BACKGROUND: It is known that acute cor pulmonale (ACP) worsens the prognosis of non-coronavirus disease 2019 (COVID-19) acute respiratory distress syndrome (NC-ARDS). The ACP risk score evaluates the risk of ACP occurrence in mechanically ventilated patients with NC-ARDS. There is less data on the risk factors and prognosis of ACP induced by COVID-19-related pneumonia. OBJECTIVE: The objective of this study was to evaluate the prognostic value of ACP, assessed by transthoracic echocardiography (TTE) and clinical factors associated with ACP in a cohort of patients with COVID-19-related pneumonia. MATERIALS AND METHODS: Between February 2020 and June 2021, patients admitted to intensive care unit (ICU) at Amiens University Hospital for COVID-19-related pneumonia were assessed by TTE within 48 h of admission. ACP was defined as a right ventricle/left ventricle area ratio of >0.6 associated with septal dyskinesia. The primary outcome was mortality at 30 days. RESULTS: Among 146 patients included, 36% (n = 52/156) developed ACP of which 38% (n = 20/52) were non-intubated patients. The classical risk factors of ACP (found in NC-ARDS) such as PaCO(2) >48 mmHg, driving pressure >18 mmHg, and PaO(2)/FiO(2) < 150 mmHg were not associated with ACP (all P-values > 0.1). The primary outcome occurred in 32 (22%) patients. More patients died in the ACP group (n = 20/52 (38%) vs. n = 12/94 (13%), P = 0.001). ACP [hazards ratio (HR) = 3.35, 95%CI [1.56-7.18], P = 0.002] and age >65 years (HR = 2.92, 95%CI [1.50-5.66], P = 0.002) were independent risk factors of 30-day mortality. CONCLUSION: ACP was a frequent complication in ICU patients admitted for COVID-19-related pneumonia. The 30-day-mortality was 38% in these patients. In COVID-19-related pneumonia, the classical risk factors of ACP did not seem relevant. These results need confirmation in further studies.
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Soumis le : vendredi 28 octobre 2022 - 10:22:20
Dernière modification le : samedi 29 octobre 2022 - 03:40:36

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Christophe Beyls, Nicolas Martin, Thomas Booz, Christophe Viart, Solenne Boisgard, et al.. Prognostic Value of Acute Cor Pulmonale in COVID-19-related Pneumonia: A Prospective Study.. Frontiers in Medicine, 2022, 9, pp.824994. ⟨10.3389/fmed.2022.824994⟩. ⟨hal-03832990⟩



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