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Coagulopathy in patients with COVID-19: a systematic review and meta-analysis
Xiaolin Zhang1, Xue Yang1, Hongmei Jiao1
1Department of Geriatrics, Peking University First Hospital, Beijing 100034, China.
Insights
Severe COVID-19 is linked to hypercoagulable coagulopathy. Key indicators like D-dimer and prothrombin time are elevated in severe cases, aiding in assessing COVID-19 illness severity.
Area of Science:
- Medical research
- Hematology
- Infectious diseases
Background:
- COVID-19 often presents with coagulation abnormalities and thrombotic events.
- Understanding coagulopathy's role in COVID-19 severity is crucial for patient management.
Purpose of the Study:
- To investigate the association between coagulopathy and COVID-19 severity.
- To identify key coagulation parameters indicative of severe illness.
Main Methods:
- Systematic literature search of multiple databases (PubMed, Embase, etc.) for studies published Dec 2019-May 2020.
- Meta-analysis of coagulation parameters in 3,952 COVID-19 patients across 25 studies.
- Statistical analysis using Stata14.0.
Main Results:
- Severe COVID-19 patients showed significantly higher D-dimer, prothrombin time (PT), and fibrinogen (FIB) levels.
- No significant differences were observed in platelet count or activated partial thromboplastin time (aPTT).
- Elevated D-dimer, PT, and FIB correlate with increased COVID-19 severity.
Conclusions:
- Hypercoagulable coagulopathy is associated with severe COVID-19 symptoms.
- D-dimer, PT, and FIB are critical markers for evaluating coagulopathy in COVID-19 patients.
- These findings can inform clinical assessment and management strategies for COVID-19.
Abstract:
COVID-19 patients frequently exhibit coagulation abnormalities and thrombotic events. In this meta-analysis, we investigated the association between coagulopathy and the severity of COVID-19 illness. Using PubMed, Embase, Cochrane, WanFang Database, CNKI, and medRxiv, a systematic literature search was conducted for studies published between December 1, 2019 and May 1, 2020. We then analyzed coagulation parameters in COVID-19 patients exhibiting less severe and more severe symptoms. All statistical analyses were performed using Stata14.0 software. A total of 3,952 confirmed COVID-19 patients from 25 studies were included in the meta-analysis. Patients with severe symptoms exhibited higher levels of D-dimer, prothrombin time (PT), and fibrinogen (FIB) than patients with less severe symptoms (SMD 0.83, 95% CI: 0.70-0.97, I2 56.9%; SMD 0.39, 95% CI: 0.14-0.64, I2 79.4%; and SMD 0.35, 95% CI: 0.17-0.53, I2 42.4%, respectively). However, platelet and activated partial thromboplastin times did not differ (SMD -0.26, 95% CI: -0.56-0.05, I2 82.2%; and SMD -0.14, 95% CI: -0.45-0.18, I2 75.7%, respectively). These findings demonstrate that hypercoagulable coagulopathy is associated with the severity of COVID-19 symptoms and that D-dimer, PT, and FIB values are the main parameters that should be considered when evaluating coagulopathy in COVID-19 patients.
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