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Venous thromboembolism in patients with COVID-19: Systematic review and meta-analysis.

ABSTRACT: BACKGROUND:Venous thromboembolism (VTE) may complicate the course of Coronavirus Disease 2019 (COVID-19). OBJECTIVES:To evaluate the incidence of VTE in patients with COVID-19. METHODS:MEDLINE, EMBASE, and PubMed were searched up to 24th June 2020 for studies that evaluated the incidence of VTE, including pulmonary embolism (PE) and/or deep vein thrombosis (DVT), in patients with COVID-19. Pooled proportions with corresponding 95% confidence intervals (CI) and prediction intervals (PI) were calculated by random-effect meta-analysis. RESULTS:3487 patients from 30 studies were included. Based on very low-quality evidence due to heterogeneity and risk of bias, the incidence of VTE was 26% (95% PI, 6%-66%). PE with or without DVT occurred in 12% of patients (95% PI, 2%-46%) and DVT alone in 14% (95% PI, 1%-75%). Studies using standard algorithms for clinically suspected VTE reported PE in 13% of patients (95% PI, 2%-57%) and DVT in 6% (95% PI, 0%-60%), compared to 11% (95% PI, 2%-46%) and 24% (95% PI, 2%-85%) in studies using other diagnostic strategies or patient sampling. In patients admitted to intensive care units, VTE occurred in 24% (95% PI, 5%-66%), PE in 19% (95% PI, 6%-47%), and DVT alone in 7% (95% PI, 0%-69%). Corresponding values in general wards were respectively 9% (95% PI, 0%-94%), 4% (95% PI, 0%-100%), and 7% (95% CI, 1%-49%). CONCLUSIONS:VTE represents a frequent complication in hospitalized COVID-19 patients and often occurs as PE. The threshold for clinical suspicion should be low to trigger prompt diagnostic testing.

SUBMITTER: Porfidia A

PROVIDER: S-EPMC7420982 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Venous thromboembolism in patients with COVID-19: Systematic review and meta-analysis.

Porfidia Angelo A Valeriani Emanuele E Pola Roberto R Porreca Ettore E Rutjes Anne W S AWS Di Nisio Marcello M

Thrombosis research 20200812

<h4>Background</h4>Venous thromboembolism (VTE) may complicate the course of Coronavirus Disease 2019 (COVID-19).<h4>Objectives</h4>To evaluate the incidence of VTE in patients with COVID-19.<h4>Methods</h4>MEDLINE, EMBASE, and PubMed were searched up to 24th June 2020 for studies that evaluated the incidence of VTE, including pulmonary embolism (PE) and/or deep vein thrombosis (DVT), in patients with COVID-19. Pooled proportions with corresponding 95% confidence intervals (CI) and prediction in ...[more]

PMID: 32853978

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Project description:Background: Early during the course of the ongoing COVID-19 pandemic, reports suggested alarmingly high incidences for thromboembolic events in critically ill patients with COVID-19. However, the clinical relevance of these events was not reported in several studies. Additionally, more recent research showed contradictory results and suggested substantially lower rates of venous thromboembolism. Thus, the aim of the present study was to summarize evidence on the incidence of clinically relevant venous thromboembolism (VTE)-defined as VTE excluding isolated subsegmental pulmonary embolism (PE) and distal deep vein thrombosis (DVT)-in adult critically ill patients with COVID-19. Methods: We performed a systematic review of studies reporting the incidence of clinically relevant PE and/or DVT in critically ill patients with COVID-19. Scientific reports published in the English language between January and October 2020 were included. We conducted a random-effects model meta-analysis to calculate incidence estimates of clinically relevant VTE and bleeding events. We also performed exploratory meta-regression and subgroup analyses of different diagnostic approaches and additional factors that possibly influenced the incidence of these outcomes. Results: Fifty-four articles (5,400 patients) fulfilled the predefined inclusion criteria, of which 41 had a high risk of bias. The majority of included patients were male, > 60 years, and overweight. Twenty-one studies reported the use of prophylactic doses of heparin. Pooled incidences for clinically relevant PE were estimated at 8% (95% CI, 4-11%), for proximal DVT at 14% (95% CI, 9-20%), and-after exclusion of studies with a high risk of bias-for the composite outcome of VTE at 18% (95% CI, 13-24%). Clinically relevant bleeding occurred at a rate of 6% (95% CI, 2-9%). Conclusions: We summarized currently available data on the rate of clinically relevant VTE in critically ill patients with COVID-19. Pooled incidence estimates were lower than those reported by previous review articles. In the absence of evidence-based anticoagulation guidelines for critically ill patients with COVID-19, the results of our study provide clinically important information for an individual risk-benefit assessment in this context. Registration: The study protocol was prospectively registered in PROSPERO on June 22, 2020 (CRD42020193353; https://www.crd.york.ac.uk/prospero).

Dataset Information

Venous thromboembolism in patients with COVID-19: Systematic review and meta-analysis.

Publications

Venous thromboembolism in patients with COVID-19: Systematic review and meta-analysis.

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