Arterial echo-Doppler findings in the distal sector of the upper extremities in COVID-19 convalescents
Keywords:
arteries, COVID-19, Doppler ultrasonography, extremities, radial artery, risk factors, ulnar artery, upper extremityAbstract
Introduction: The SARS-CoV-2 virus has the potential to cause vascular complications in all body systems.
Objective: To determine arterial echo-Doppler findings in the distal segment of the upper extremities in COVID-19 convalescents.
Methods: A cross-sectional study was conducted in 173 COVID-19 convalescents using echo-Doppler of the aforementioned arteries. Variables studied included sex, age, atherosclerotic risk factors, and spectral morphology of arterial segments in the distal segment of the upper extremities. Descriptive statistics and the chi-square test were used.
Results: Monophasic flow predominated (40.2%–43.4%) in the bilateral ulnar and radial arteries. This finding was associated (p=0.000-0.005) in all 4 arterial segments, with male sex (23.1% to 24.9%), the presence of 2 to 3 atherosclerotic risk factors (22.5% to 24.9%; p = 0.000-0.002); as well as age <60 years (p = 0.001-0.010) in the distal sector of the upper left extremity (31.2% and 33.5%) and right (p = 0.008-0.025) in the case of overweight (16.8% and 17.9%). Furthermore, it was associated with dyslipidemia in the left radial segment (20.8%; p = 0.029).
Conclusions: Monophasic spectral morphology in upper distal arteries is the most frequent abnormal finding in COVID-19 convalescents, especially in those under 60 years of age, men, and with atherosclerotic risk factors such as overweight and dyslipidemia.
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Copyright (c) 2025 Claudia Hernández Pérez, Melvis González Méndez, Nélida de la Caridad Carballo Jorge, Dayana Coutin Rondón, Lesly Solís Alfonso, Yenisleidy Miranda Lorenzo, Narciso Argelio Jiménez Pérez

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