Pulmonary Embolism: Complication of COVID-19 | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Pulmonary Embolism: Complication of COVID-19

Author(s): Shalini Singh*, Swarupa Chakole, Guddi Leishram


In COVID-19 patients, Pulmonary Embolism is one of the most dreaded complication causing prolonged hospitalisation and
death, in which people who are infected are at high risk of thromboembolic events (DVT, PE, cerebrovascular accidents i.e.
stroke). These events are related to the thrombo-inflammatory state within the pulmonary vessels, which is provoked by the
infection, but some other risk factors like decreased movements, long term immobility and shock (as in case of dehydration
or sepsis) also play an important role in disease progression. Increase in level of D-dimer (end product of fibrin
degradation) which is a marker reflecting the activation of haemostatic and fibrinolytic system, and clinically presents as
thrombocytopenia. Late presentation shows altered coagulation profile of patients including prolonged prothrombin time
fibrinogens are also increased. Progression of disease can be monitored by testing various laboratory variables like d-dimer
and fibrinogens. Radiological investigations include CTPA (more invasive); V/Q scan helps in diagnosis of the disease.
Parenteral anticoagulants like heparin and LMWH are widely used in management of patients suffering from COVID-19.
Patients with mild symptoms can now be treated in the outpatient setting and patient with more severe disease can be
treated successfully with newly developed modalities, such as catheter-induced thrombolysis which is becoming available at
various centres. IVC filters are used nowadays along with anticoagulation therapy. It benefits patients who are at more risk
of pulmonary embolism during interventional therapy. Coagulopathy has got poor prognosis, hence various plan of action
should be started for prior recognition of disease so that pulmonary embolism should be treated with various required
treatment strategies.

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