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The prognostic role of interatrial block among COVID‐19 patients hospitalized in medicine wards
Author(s) -
Russo Vincenzo,
Albani Stefano,
Caturano Alfredo,
Weisz Sara Hana,
Parisi Valentina,
Conte Maddalena,
Zaccaro Lorenzo,
D’Andrea Antonello,
AlTurky Ahmed,
Marchel Michal,
Marano Marco,
Sasso Ferdinando Carlo,
Attena Emilio
Publication year - 2022
Publication title -
european journal of clinical investigation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.164
H-Index - 107
eISSN - 1365-2362
pISSN - 0014-2972
DOI - 10.1111/eci.13781
Subject(s) - medicine , ards , stroke (engine) , population , intubation , logistic regression , myocardial infarction , cardiology , emergency medicine , surgery , lung , environmental health , engineering , mechanical engineering
Some abnormal electrocardiographic findings were independently associated with increased mortality in patients admitted for COVID‐19; however, no studies have focussed on the prognosis impact of the interatrial block (IAB) in this clinical setting. The aim of our study was to assess the prevalence and clinical implications of IAB, both partial and advanced, in hospitalized COVID‐19 patients. Materials We retrospectively evaluated 300 consecutive COVID‐19 patients (63.22 ± 15.16 years; 70% males) admitted to eight Italian Hospitals from February 2020 to April 2020 who underwent twelve lead electrocardiographic recording at admission. The study population has been dichotomized into two groups according to the evidence of IAB at admission, both partial and advanced. The differences in terms of ARDS in need of intubation, in‐hospital mortality and thromboembolic events (a composite of myocardial infarction, stroke and transient ischaemic attack) have been evaluated. Results The presence of IAB was noticed in 64 patients (21%). In the adjusted logistic regression model, the partial interatrial block was found to be an independent predictor of ARDS in need of intubation (HR: 1.92; p : .04) and in‐hospital mortality (HR: 2.65; p : .02); moreover, the advanced interatrial block was an independent predictor of thrombotic events (HR: 7.14; p < .001). Conclusions Among COVID‐19 patients hospitalized in medical wards, the presence of interatrial block is more frequent than in the general population and it might be useful as an early predictor for increased risk of incident thrombotic events, ARDS in need of intubation and in‐hospital mortality.