- Systematic screening of Deep Vein Thrombosis
- But retrospective study
- Multicenter (2), small size number (n=71)
- Selection bias on patients who did not have Doppler during hospitalization and who were excluded from the analyses
Retrospective cohort study of patients hospitalized more than 48 hours outside intensive care for COVID-19 pneumonia and who benefited from thromboprophylaxis, in Nantes and Chateaubrian hospitals.
The diagnosis of SARS-CoV-2 infection was made by RT-PCR of nasopharyngeal sample or typical imaging on chest CT scan.
Thromboprophylaxis was considered adequate if it was put in place within 24 hours after admission and continued throughout the duration of hospitalization. It consisted of a daily injection of enoxaparin (BMI-dependent dosage).
Systematic Doppler of the lower limbs at the end of hospitalization or before if a deep venous thrombosis was suspected.
A chest scan was performed in case of suspected pulmonary embolism.
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