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Medicina (Buenos Aires)
versión impresa ISSN 0025-7680versión On-line ISSN 1669-9106
Resumen
HUNTER, Martín et al. Deep venous thrombosis incidence in patients with COVID-19 acute respiratory distress syndrome, under intermediate dose of chemical thromboprophylaxis. Medicina (B. Aires) [online]. 2022, vol.82, n.2, pp.181-184. ISSN 0025-7680.
Despite standard thrombo prophylaxis, venous thrombosis is common in critically ill patients with COVID-19. The objective of this study was to evaluate deep venous thrombosis (DVT) incidence in patients with severe COVID-19 pneumonia with mechanical ventilation requirements under intermediate dose of chemical thromboprophylaxis (1 mg/kg/day of enoxaparin). This was a single-center, descriptive, cross-sectional study of prospectively collected data. An active and systematic protocol with venous doppler was carried out for DVT diagnosis in lower limbs (or in jugulo-subclavian venous confluence) every 7 days. Weekly doppler evaluation was continued until the end of mechanical ventilation, up to 28 days of intensive care unit admission, until death or until the thromboprophylaxis suspension for any cause. Forty-six patients were included. DVT was diagnosed in 5 (3 in lower limbs and 2 in jugulo-subclavian conflu ent). In 3 cases, DVT was catheter-related (2 in lower limbs and 1 in jugulo-subclavian confluent), 2 died during follow-up due to acute respiratory distress syndrome (ARDS) complications without thrombotic events or major bleeding. All thrombotic events were asymptomatic. In our series of patients with moderate/severe COVID-19 ARDS, DVT incidence was 10.9% under thromboprophylaxis with intermediate dose (1 mg/kg/ day) of enoxaparin.
Palabras clave : COVID-19; Acute respiratory distress syndrome; Venous thrombosis; Low-molecular-weight heparin.