Spontaneous multivessel coronary artery dissection with anomalous coronary artery.
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ABSTRACT:
SUBMITTER: Mahadevappa N
PROVIDER: S-EPMC3644896 | biostudies-other | 2013
REPOSITORIES: biostudies-other
Publications
Spontaneous multivessel coronary artery dissection with anomalous coronary artery.
Mahadevappa Nagesh N Singh Bhupinder B Bhairappa Shivakumar S Nanjappa Manjunath M
BMJ case reports 20130416
Spontaneous coronary artery dissection (SCAD) is one of the rare causes of acute coronary syndrome in young healthy individuals especially women without having any conventional risk factors for coronary artery disease. We describe a case of 34-year-old healthy man with diffuse multiple SCADs who presented with acute coronary syndrome and was managed conservatively with an uneventful course on long-term follow-up. ...[more]
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Project description:A 53-year-old woman underwent a cardiac catheterization for evaluation of acute coronary syndrome. The coronary angiogram revealed evidence of spontaneous coronary artery dissection in multiple coronary arteries including the left anterior descending artery, posterior descending artery, and posterior left ventricular artery. Further diagnostic imaging revealed associated bilateral vertebral artery and renal artery fibromuscular dysplasia (FMD). Follow-up coronary angiogram 6 weeks later revealed a "string of beads" appearance of the posterior descending artery. This case highlights the importance of extra-coronary imaging for FMD and demonstrates angiogram findings suggestive of coronary FMD.
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Project description:BackgroundSpontaneous coronary artery dissection (SCAD) is an infrequent and often misdiagnosis of a non-atherosclerotic cause of acute coronary syndrome (ACS). It is an important cause of ACS in young women, responsible for up to 25% of all cases in women <50 years of age without cardiovascular risk factors. Clinical presentation ranges from ST-segment-elevation myocardial infarction (MI) to ventricular fibrillation and sudden death. The treatment of patients with SCAD is a challenge and the ideal management strategy has yet to be determined.Case summaryA 42-year-old woman without family history of cardiac disease and neither traditional atherosclerotic risk factors presented to our centre with an anterior acute ST-segment-elevation MI secondary to multiple spontaneous dissections of the left main, anterior descending, and ramus intermedius coronary arteries. Stenting was performed in the left anterior descending coronary artery and left main coronary artery to resolve its occlusion. Fibromuscular dysplasia was confirmed via computed tomography angiography.DiscussionMore cases are now being identified of SCAD due to increased clinical index of suspicion, earlier use of invasive angiography, and intracoronary imaging in patients presenting with acute chest pain. Despite this, the absence of previous cardiovascular risk factors and the ignorance of this pathology delay the start of an adequate medical treatment and the performance of a cardiac catheterization. Prognostic data are limited, partly because of its underdiagnosis and lack of prospective studies, so its knowledge is necessary to improve the prognosis of these patients.
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Project description:Spontaneous coronary artery dissection (SCAD) is a rare cause of acute myocardial infarction (ACS). We report a case of acute coronary syndrome due to SCAD of the right coronary artery. Diagnosis was based on clinical presentation and coronary angiography, and confirmed by optical coherence tomography which guided our treatment strategy. (Level of Difficulty: Beginner.).
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Project description:Spontaneous coronary artery dissection (SCAD) is a relatively infrequent cause of acute coronary syndrome that usually affects young to middle-aged women. Mainly because of its low prevalence, until recently, most of the evidence on this condition was derived from case reports and small series. Over the last 5 years, more robust evidence has become available from larger retrospective and prospective cohorts of patients with SCAD. The increase in knowledge and recognition of this entity has led to the publication of expert consensus on both sides of the Atlantic. However, new data are continuously accumulating from larger cohorts of patients with SCAD, bringing new light to this little-understood condition. The aim of this article is to update the knowledge on SCAD, including new information from recent studies published since the consensus documents from the European Society of Cardiology and the American Heart Association.
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| S-EPMC7512056 | biostudies-literature
Project description:Spontaneous coronary artery dissection (SCAD) is an increasingly recognised cause of acute coronary syndrome, particularly in women. A 36-year-old Caucasian woman presented to our hospital with sudden onset chest pain and was diagnosed with a non-ST elevation myocardial infarction. Coronary angiography revealed mid and distal left anterior descending artery (LAD) dissection with distal LAD occlusion. A short segment of apical LAD filled late with incomplete opacification (Thrombolysis In Myocardial Infarction (TIMI) 1 flow). A decision was made to treat the patient conservatively, with subsequent resolution of dissection over the next 3 months. Our patient made a good clinical recovery with healing of her affected coronary vasculature on subsequent angiogram. The case illustrates that SCAD can be managed conservatively with antiplatelet agents, β-blockers, heparin and statins, if the patient is haemodynamically stable and coronary flow is adequate.
| S-EPMC4550856 | biostudies-other
Project description:ImportanceSpontaneous coronary artery dissection (SCAD), an idiopathic disorder that predominantly affects young to middle-aged women, has emerged as an important cause of acute coronary syndrome, myocardial infarction, and sudden cardiac death.ObjectiveTo identify common single-nucleotide variants (SNVs) associated with SCAD susceptibility.Design, setting, and participantsThis single-center genome-wide association study examined approximately 5 million genotyped and imputed SNVs and subsequent SNV-targeted replication analysis results in individuals enrolled in the Mayo Clinic SCAD registry from August 30, 2011, to August 2, 2018. Data analysis was performed from June 21, 2017, to December 30, 2019.Main outcomes and measuresGenetic loci and positional candidate genes associated with SCAD.ResultsThis study included 484 white women with SCAD (mean [SD] age, 46.6 [9.2] years) and 1477 white female controls in the discovery cohort (mean [SD] age, 64.0 [14.5] years) and 183 white women with SCAD (mean [SD] age, 47.1 [9.9] years) and 340 white female controls in the replication cohort (mean [SD] age, 51.0 [15.3] years). Associations with SCAD risk reached genome-wide significance at 3 loci (1q21.3 [OR, 1.78; 95% CI, 1.51-2.09; P = 2.63 × 10-12], 6p24.1 [OR, 1.77; 95% CI, 1.51-2.09; P = 7.09 × 10-12], and 12q13.3 [OR, 1.67; 95% CI, 1.42-1.97; P = 3.62 × 10-10]), and 7 loci had evidence suggestive of an association (1q24.2 [OR, 2.10; 95% CI, 1.58-2.79; P = 2.88 × 10-7], 3q22.3 [OR, 1.47; 95% CI, 1.26-1.71; P = 6.65 × 10-7], 4q34.3 [OR, 1.84; 95% CI, 1.44-2.35; P = 9.80 × 10-7], 8q24.3 [OR, 2.57; 95% CI, 1.76-3.75; P = 9.65 × 10-7], 15q21.1 [OR, 1.75; 95% CI, 1.40-2.18; P = 7.23 × 10-7], 16q24.1 [OR, 1.91; 95% CI, 1.49-2.44; P = 2.56 × 10-7], and 21q22.11 [OR, 2.11; 95% CI, 1.59-2.82; P = 3.12 × 10-7]) after adjusting for the top 5 principal components. Associations were validated for 5 of the 10 risk alleles in the replication cohort. In a meta-analysis of the discovery and replication cohorts, associations for the 5 SNVs were significant, with relatively large effect sizes (1q21.3 [OR, 1.77; 95% CI, 1.54-2.03; P = 3.26 × 10-16], 6p24.1 [OR, 1.71; 95% CI, 1.49-1.97; P = 4.59 × 10-14], 12q13.3 [OR, 1.69; 95% CI, 1.47-1.94; P = 1.42 × 10-13], 15q21.1 [OR, 1.79; 95% CI, 1.48-2.17; P = 2.12 × 10-9], and 21q22.11 [OR, 2.18; 95% CI, 1.70-2.81; P = 1.09 × 10-9]). Each index SNV was within or near a gene highly expressed in arterial tissue and previously linked to SCAD (PHACTR1) and/or other vascular disorders (LRP1, LINC00310, and FBN1).Conclusions and relevanceThis study revealed 5 replicated risk loci and positional candidate genes for SCAD, most of which are associated with extracoronary arteriopathies. Moreover, the alternate alleles of 3 SNVs have been previously associated with atherosclerotic coronary artery disease, further implicating allelic susceptibility to coronary artery atherosclerosis vs dissection.
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Project description:IntroductionSpontaneous coronary artery dissection is a rare cardiovascular disease that can cause acute myocardial infarction and sudden cardiac death. The mechanism of this pathology and the optimal treatment are not fully understood.Presentation of caseAn acute myocardial infarction developed while a fifty five years old woman with a rectal adenocarcinoma was receiving a cisplatin and capecitabine therapy. Coronary angiography demonstrated a multivessel occlusion of coronary arteries.DiscussionThe authors discuss several factors that may lead to the spontaneous coronary artery dissection including chemotherapy-induced vasospasm. Chemotherapy based on the cisplatin and capecitabine intake can cause a cardiotoxic effect.ConclusionThus, spontaneous coronary artery dissection is a disease with an extremely complex etiololy, which does not have a special treatment guide. Management should be considered individually for each case.
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