Acute adrenal infarction as an incidental CT finding and a potential prognosis factor in severe SARS-CoV-2 infection: a
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Acute adrenal infarction as an incidental CT finding and a potential prognosis factor in severe SARS-CoV-2 infection: a retrospective cohort analysis on 219 patients Pierre Leyendecker 1 & Sébastien Ritter 1,2 & Marianne Riou 3,4 & Antoine Wackenthaler 1 & Ferhat Meziani 5,6,7 & Catherine Roy 1,7 & Mickaël Ohana 1,7,8 Received: 4 May 2020 / Revised: 27 July 2020 / Accepted: 21 August 2020 # European Society of Radiology 2020
Abstract Objectives To retrospectively investigate the incidence of acute adrenal infarction (AAI) in patients who underwent chest CT for severe SARS-CoV-2 infection and to correlate findings with prognosis. Methods The local ethics committee approved this retrospective study and waived the need of informed consent. From March 9 to April 10, 2020, all patients referred to our institution for a clinical suspicion of COVID-19 with moderate to severe symptoms underwent a chest CT for triage. Patients with a/parenchymal lesion characteristics of COVID-19 involving at least 50% of lung parenchyma and b/positive RT-PCR for SARS-CoV-2 were retrospectively included. Adrenal glands were reviewed by two independent readers to look for AAI. Additional demographics and potential biological markers of adrenal insufficiency were obtained. Correlations with ICU stay and mortality were sought. Results Out of the 219 patients with critical (n = 52) and severe lung (n = 167) parenchyma lesions, 51 (23%) had CT scan signs of AAI, which was bilateral in 45 patients (88%). Four patients had an acute biological adrenal gland insufficiency (8%). Univariate analysis in AAI+ patients demonstrated a higher rate of ICU stay (67% vs. 45%, p < 0.05) and a longer stay (more than 15 days for 31% for AAI+ vs. 19%, p < 0.05) compared with AAI− patients. Mortality rate was similar (27%, p = 0.92). Conclusions Acute adrenal infarction on initial chest evaluation of severe COVID-19 is frequent (51/219, 23%) and might be a sign of poorer prognosis. Key Points • Acute adrenal infarction on initial chest CT evaluation of severe COVID-19 is frequent (51/219). • AAI might be a factor of poorer prognosis, with increased rate of ICU hospitalization and length of stay. Keywords Adrenal insufficiency . Coronavirus . Diagnostic imaging . Multidetector computed tomography
Abbreviations AAI Acute adrenal infarction ACE2 Angiotensin-converting enzyme 2
ARDS CT HPA
* Pierre Leyendecker [email protected]
4
Service de Physiologie et Explorations fonctionnelles, Nouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
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Service de Médecine Intensive et Réanimation, Nouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
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INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine (RNM), FMTS, Strasbourg, France
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Faculté de Médecine, Strasbourg, France
8
iCube, Université de Strasbourg/CNRS UMR 7357, Telecom Physique Strasbourg, Illkirch, France
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2
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Service de Radiologie B, Nouvel Hôpital Civil, Hôpitaux U
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