Fahad Faqihi1, Abdulrahman Alharthy1, Abdullah Balhamar1, Nasir Nasim1, Khaled Alanezi2, Feisal Alaklobi2, Ziad A Memish3, Mike Blaivas4, Saleh A Alqahtani5, Dimitrios Karakitsos1,4. 1. Critical Care Department, King Saud Medical City, Riyadh, Saudi Arabia. 2. King Saud Medical City, Riyadh, Saudi Arabia. 3. Research and Innovation Center, King Saud Medical City, Riyadh, Saudi Arabia. 4. Department of Internal Medicine, University of South Carolina, School of Medicine, Columbia, SC, USA. 5. Transplant Hepatology Division of Gastroenterology and Hepatology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.
Abstract
BACKGROUND: Recent studies have shown an increased prevalence of thromboembolic disease in critically ill patients with the novel SARS-CoV-2 disease (COVID-19). However, the use of enhanced anticoagulation therapy in these patients remains controversial. OBJECTIVES: To determine the incidence of thromboembolic phenomena (TEP) and hemorrhagic events (HEs) in intensive care unit (ICU) COVID-19 patients. METHODS: One hundred and sixty ICU patients with COVID-19 were enrolled. Clinical examination results, laboratory data, and imaging studies (computed tomography/Doppler ultrasound scans) for these patients were retrospectively collected and analyzed. Outcome measures including days on mechanical ventilation, ICU length of stay, and day-28 mortality were recorded. RESULTS: Sixty patients (37.5%) developed TEP including thirty patients with deep vein thrombosis, 55 patients with pulmonary embolism, and 7 patients with arterial thromboembolism. Cardiac arrhythmias, lymphocytopenia, and increased D-dimers were more frequently observed in the TEP group compared to the non-TEP group of patients (all p < 0.05). The sensitivity, specificity, and positive and negative predictive values of a cutoff D-dimer level of 3.0 μg/mL for predicting PE were 74.5%, 95.1%, 86.8%, and 91.9%, respectively. Thirteen patients experienced HEs, which were more frequently observed in the TEP group (p < 0.05). Twenty-eight-day mortality was higher in the TEP group (60%) compared to the non-TEP group (30%) of patients (p=0.02). CONCLUSIONS: The rates of TEP and HEs in mechanically ventilated critically ill COVID-19 patients were 37. 5% and 8.1%. Twenty-eight-day mortality was higher in the TEP group (60%) compared to the non-TEP group (30%) of patients.
BACKGROUND: Recent studies have shown an increased prevalence of thromboembolic disease in critically ill patients with the novel SARS-CoV-2 disease (COVID-19). However, the use of enhanced anticoagulation therapy in these patients remains controversial. OBJECTIVES: To determine the incidence of thromboembolic phenomena (TEP) and hemorrhagic events (HEs) in intensive care unit (ICU) COVID-19 patients. METHODS: One hundred and sixty ICU patients with COVID-19 were enrolled. Clinical examination results, laboratory data, and imaging studies (computed tomography/Doppler ultrasound scans) for these patients were retrospectively collected and analyzed. Outcome measures including days on mechanical ventilation, ICU length of stay, and day-28 mortality were recorded. RESULTS: Sixty patients (37.5%) developed TEP including thirty patients with deep vein thrombosis, 55 patients with pulmonary embolism, and 7 patients with arterial thromboembolism. Cardiac arrhythmias, lymphocytopenia, and increased D-dimers were more frequently observed in the TEP group compared to the non-TEP group of patients (all p < 0.05). The sensitivity, specificity, and positive and negative predictive values of a cutoff D-dimer level of 3.0 μg/mL for predicting PE were 74.5%, 95.1%, 86.8%, and 91.9%, respectively. Thirteen patients experienced HEs, which were more frequently observed in the TEP group (p < 0.05). Twenty-eight-day mortality was higher in the TEP group (60%) compared to the non-TEP group (30%) of patients (p=0.02). CONCLUSIONS: The rates of TEP and HEs in mechanically ventilated critically ill COVID-19 patients were 37. 5% and 8.1%. Twenty-eight-day mortality was higher in the TEP group (60%) compared to the non-TEP group (30%) of patients.
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