Dataset Information

Look beyond the Heart: Extracoronary Vascular Manifestations of Spontaneous Coronary Artery Dissection.

ABSTRACT:

SUBMITTER: Ramcharitar R

PROVIDER: S-EPMC8367599 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Look beyond the Heart: Extracoronary Vascular Manifestations of Spontaneous Coronary Artery Dissection.

Ramcharitar R R Sharma A M AM

AJNR. American journal of neuroradiology 20210624 8

PMID: 34167957

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Project description:ImportanceSpontaneous coronary artery dissection (SCAD) has been associated with fibromuscular dysplasia (FMD) and other extracoronary arterial abnormalities. However, the prevalence, severity, and clinical relevance of these abnormalities remain unclear.ObjectiveTo assess the prevalence and spectrum of FMD and other extracoronary arterial abnormalities in patients with SCAD vs controls.Design, setting, and participantsThis case series included 173 patients with angiographically confirmed SCAD enrolled between January 1, 2015, and December 31, 2019. Imaging of extracoronary arterial beds was performed by magnetic resonance angiography (MRA). Forty-one healthy individuals were recruited to serve as controls for blinded interpretation of MRA findings. Patients were recruited from the UK national SCAD registry, which enrolls throughout the UK by referral from the primary care physician or patient self-referral through an online portal. Participants attended the national SCAD referral center for assessment and MRA.ExposuresBoth patients with SCAD and healthy controls underwent head-to-pelvis MRA (median time between SCAD event and MRA, 1 [IQR, 1-3] year).Main outcome and measuresThe diagnosis of FMD, arterial dissections, and aneurysms was established according to the International FMD Consensus. Arterial tortuosity was assessed both qualitatively (presence or absence of an S curve) and quantitatively (number of curves ≥45%; tortuosity index).ResultsOf the 173 patients with SCAD, 167 were women (96.5%); mean (SD) age at diagnosis was 44.5 (7.9) years. The prevalence of FMD was 31.8% (55 patients); 16 patients (29.1% of patients with FMD) had involvement of multiple vascular beds. Thirteen patients (7.5%) had extracoronary aneurysms and 3 patients (1.7%) had dissections. The prevalence and degree of arterial tortuosity were similar in patients and controls. In 43 patients imaged with both computed tomographic angiography and MRA, the identification of clinically significant remote arteriopathies was similar. Over a median 5-year follow-up, there were 2 noncardiovascular-associated deaths and 35 recurrent myocardial infarctions, but there were no primary extracoronary vascular events.Conclusions and relevanceIn this case series with blinded analysis of patients with SCAD, severe multivessel FMD, aneurysms, and dissections were infrequent. The findings of this study suggest that, although brain-to-pelvis imaging allows detection of remote arteriopathies that may require follow-up, extracoronary vascular events appear to be rare.

Dataset Information

Look beyond the Heart: Extracoronary Vascular Manifestations of Spontaneous Coronary Artery Dissection.

Publications

Look beyond the Heart: Extracoronary Vascular Manifestations of Spontaneous Coronary Artery Dissection.

Similar Datasets

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