Key result
Restoration of normal lung perfusion after pulmonary embolism occurred in one third of patients with small emboli, 21% with medium emboli, and 18% with large emboli.
Observational (n=70)
Restoration of pulmonary perfusion after pulmonary embolism is dependent on initial embolus size and patient age, with younger patients and smaller emboli showing faster and more complete recovery.
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Limited perfusion recovery after PE, especially with larger emboli, warrants cautious monitoring; leaves open prospective validation of size- and age-dependent protocols.
J. W. Winebright (1970) conducted an observational in Pulmonary embolism (n=70). Pulmonary embolism was evaluated on Return to a completely normal scan pattern (restoration of blood flow). Restoration of normal lung perfusion after pulmonary embolism occurred in one third of patients with small emboli, 21% with medium emboli, and 18% with large emboli.
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