• Acta radiologica · Sep 2012

    Long-term outcome of patients with persistent vascular obstruction on computed tomography pulmonary angiography 6 months after acute pulmonary embolism.

    • Rafael Golpe, de Llano Luis A Pérez LA, Olalla Castro-Añón, Manuel Vázquez-Caruncho, Carlos González-Juanatey, and María Carmen Fariñas.
    • The Respiratory Service, Hospital Lucus Augusti, Lugo, Spain. Rafael.golpe.gomez@sergas.es
    • Acta Radiol. 2012 Sep 1; 53 (7): 728-31.

    BackgroundThe incidence and clinical significance of pulmonary residual thrombosis 6 months after an acute pulmonary embolism (PE) are still not well-known.PurposeTo evaluate the association between residual vascular obstruction and the risk of venous thromboembolism (VTE) recurrence or death.Material And MethodsComputed tomography pulmonary angiography (CTPA) was repeated in 97 consecutive patients 6 months after an acute episode of hemodynamically stable pulmonary embolism. We assessed the long-term consequences of residual thrombosis on vital status and incidence of recurrent VTE.ResultsSix patients were lost for follow-up. The remaining 91 patients were classified according to the presence (Group 1: 18 cases) or absence (Group 2: 73 cases) of residual pulmonary vascular obstruction. After a mean ± SD of 2.91 ± 0.99 years, there were eight (8.8%) deaths and 11 (12.1%) VTE recurrences. Groups 1 and 2 did not differ in the incidence of death or VTE recurrence.ConclusionPersistent pulmonary vascular obstruction on 6-month CTPA did not predict long-term adverse outcome events.

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