Key result
Complete restoration of normal lung perfusion occurred in 33% of patients with small, 21% with medium, and 18% with large pulmonary emboli, with no patients over age 60 returning to normal.
Population
70 patients with pulmonary embolism
Design
Cohort
Follow-up
2 weeks to 16 months
Authors
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Incomplete PE perfusion recovery is common; leaves open optimal follow-up imaging and anticoagulation duration.
Observational (n=70)
Restoration of normal pulmonary perfusion after pulmonary embolism is incomplete in most patients and is inversely related to initial embolus size, older age, and the presence of significant heart disease.
James W. Winebright (1970) conducted an observational in Pulmonary embolism (n=70). Pulmonary embolism was evaluated on Return to a completely normal scan pattern. Complete restoration of normal lung perfusion occurred in 33% of patients with small, 21% with medium, and 18% with large pulmonary emboli, with no patients over age 60 returning to normal.
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