Highlights
Prevalence of pulmonary thromboembolic disease (PTE) is 38% in COVID-19 patients who underwent CTPA. Patients with more severe COVID-19 changes are more likely to have PTE.
Majority of PTE is observed within smaller pulmonary vessels (75%) and lungs demonstrating COVID-19 changes (72%). Subsegmental vessels should be scrutinized for presence of PTE.
D-dimer values may have potential in guiding anticoagulation therapy and evaluating prognosis in these patients.
One-quarter of HES patients manifested pulmonary involvement with variable radiologic findings. Asthma was more common in HES than previously reported. Most patients with pulmonary involvement in HES improve with currently available therapies.
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