Location of embolization affects patency after coil embolization for pulmonary arteriovenous malformations: importance of time-resolved magnetic resonance angiography for diagnosis of patency

ConclusionsTR-MRA appears to be an appropriate method for follow-up examinations due to its high accuracy for the diagnosis of patency after coil embolization of PAVMs. The location of embolization is a factor affecting patency.Key Points• Diagnosis of patency after coil embolization for pulmonary arteriovenous malformations (PAVMs) is important because a patent PAVM can lead to neurologic complications.• The diagnostic accuracies of CT with a cutoff value of 55% and TR-MRA were 82% and 93%, respectively.• The positioning of the coils relative to the sac and the last normal branch of the artery was significant for preventing PAVM patency.
Source: European Radiology - Category: Radiology Source Type: research