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Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Front+Cardiovasc+Med 2020 ; 7 (ä): 598846 Nephropedia Template TP
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Prevalence of Venous Thromboembolism in Critically Ill COVID-19 Patients: Systematic Review and Meta-Analysis #MMPMID33585578
Mohamed MFH; Al-Shokri SD; Shunnar KM; Mohamed SF; Najim MS; Ibrahim SI; Elewa H; Abdalla LO; El-Bardissy A; Elshafei MN; Abubeker IY; Danjuma M; Dousa KM; Yassin MA
Front Cardiovasc Med 2020[]; 7 (ä): 598846 PMID33585578show ga
Background: Recent studies revealed a high prevalence of venous thromboembolism (VTE) events in coronavirus disease 2019 (COVID-19) patients, especially in those who are critically ill. Available studies report varying prevalence rates. Hence, the exact prevalence remains uncertain. Moreover, there is an ongoing debate regarding the appropriate dosage of thromboprophylaxis. Methods: We performed a systematic review and proportion meta-analysis following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched PubMed and EMBASE for studies exploring the prevalence of VTE in critically ill COVID-19 patients till 25/07/2020. We pooled the proportion of VTE. Additionally, in a subgroup analysis, we pooled VTE events detected by systematic screening. Finally, in an exploratory analysis, we compared the odds of VTE in patients on prophylactic compared with therapeutic anticoagulation. Results: The review comprised 24 studies and over 2,500 patients. The pooled proportion of VTE prevalence was 0.31 [95% confidence interval (CI) 0.24, 0.39; I (2) 94%], of VTE utilizing systematic screening was 0.48 (95% CI 0.33, 0.63; I (2) 91%), of deep venous thrombosis was 0.23 (95% CI 0.14, 0.32; I (2) 96%), and of pulmonary embolism was 0.14 (95% CI 0.09, 0.20; I (2) 90%). Exploratory analysis of few studies, utilizing systematic screening, VTE risk increased significantly with prophylactic, compared with therapeutic anticoagulation [odds ratio (OR) 5.45; 95% CI 1.90, 15.57; I (2) 0%]. Discussion: Our review revealed a high prevalence of VTE in critically ill COVID-19 patients. Almost 50% of patients had VTE detected by systematic screening. Higher thromboprophylaxis dosages may reduce VTE burden in this patient's cohort compared with standard prophylactic anticoagulation; however, this is to be ascertained by ongoing randomized controlled trials.