scholarly journals Spontaneous coronary artery dissection – contemporary management and outcome of a national cohort

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
H Wilander ◽  
E Swahn ◽  
N Johnston ◽  
L Jonasson ◽  
C Pagonis ◽  
...  

Abstract Background Spontaneous coronary artery dissection (SCAD) is proposed to cause 1–4% of all acute myocardial infarctions (AMI). The aim of this study was to conduct a first description of Swedish SCAD patients regarding the prevalence of risk factors, treatment and prognosis. Method All patients with AMI registered in the Swedish Coronary Angiography and Angioplasty Register (SCAAR) December 2015 until December 2017 were included. The index angiographies of the SCAD patients were reevaluated by an independent angiographer at each center. Patients with non-SCAD AMI (n=31670) were used for comparison. Results SCAD was identified in 137 patients with AMI (100 women, 37 men). The SCAD population was younger than the non-SCAD population 53.9 (51.7–56.1) vs 68.5 (68.3–68.6) years, more often women (73.0 vs 30.7%) and presented with less risk factors: diabetes 2.9 vs 20.8%; hypertension 27.0 vs 57.6%; smoking 41.2 vs 58.1%; statin therapy 12.4 vs 36.9% and previous AMI 7.3 vs 19.6% (p<0.001 for all comparisons). SCAD patients less frequently underwent percutaneous coronary intervention (PCI) 43.1 vs 70.8% (p<0.001) and received less statin treatment, 78.9 vs 91.5% (p<0.001). There was no significant difference regarding treatment with aspirin or double antiplatelet therapy at discharge: 93 vs 89.7% (p=0.45) and 86.7 vs 84.2%, respectively (p=0,43). There was no significant difference in one-year mortality 6.6 vs 8.2% (p=0.57). Conclusions With a current prevalence of 0.43% of all Swedish AMIs, data supports SCAD being an underdiagnosed condition with a prognosis resembling that of non-SCAD AMI. Furthermore, SCAD patients are younger and harbor less cardiovascular risk factors. While significant differences in management are present, current therapeutic strategies of the two groups are similar, indicating overtreatment of SCAD. Funding Acknowledgement Type of funding source: Foundation. Main funding source(s): Swedish Heart-Lung foundation, ALF funding

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1547.2-1547
Author(s):  
C. Lai ◽  
L. Zhao ◽  
J. Zhou ◽  
D. Xu ◽  
X. Tian ◽  
...  

Background:Polyarteritis nodosa (PAN) is a systemic necrotizing vasculitis that mainly affects medium-sized muscular arteries. The coronary artery could be affected. Some severe cases can lead to spontaneous coronary artery dissection (SCAD) and about 0.02% will die abruptly. Early diagnosis will improve prognosis, but relative studies are all case reports so far.Objectives:To investigate the clinical characteristics, risk factors and outcome of patients with polyarteritis nodosa (PAN) complicated with coronary artery lesions in China.Methods:Data of 158 patients with PAN who were admitted to Peking Union Medical College Hospital from September 1986 to September 2019 were retrospective collected. Data were analyzed and compared according to with and without coronary artery lesions due to PAN.Results:17 (10.8%) patients with PAN had the coronary artery lesions due to PAN. The age at coronary artery lesion was 36.9±10.3 years. 12 (70.6%) patients were male. There are not statistical differences between two groups in common risk factors of coronary arterial atherosclerosis including smoking, hypertension, diabetes mellitus and hyperlipidemia. Most of them are multi-vessel lesions (8 cases are triple-vessel lesions and 3 cases are bi-vessel lesions). Type of coronary artery affected is shown mainly in stenosis (13 cases). Myocardial infarction are shown in 8 cases (47.1%). Compared to patients without coronary artery lesions, patients with coronary artery lesions had less nervous system involvement (17.6% vs.46.8%) and elevated number of leukocyte (17.6% vs.56%). Besides, patients with coronary artery affected exhibit more cranial and carotid artery involvement(29.4% vs. 5.0%), renal artery involvement (41.2% vs.17.0%), coeliac artery involvement (58.8% vs.27.0%), new onset hypertension (47.1% vs.14.5%), renal infarction (27.3% vs.5.4%, ) and higher proportion of 2009 Five-factor score (FFS)≥2 (62.5% vs.15.6%). All patients with coronary artery lesions received at least moderate dose of prednisone and CTX except one refused medication. 3 cases underwent interventional therapy. Stent placement was performed on 2 of them, and in-stent restenosis was appeared in a patient one year later. 2 cases died,one for vascular rupture after coronary aneurysmsutrue plus coronary artery bypass grafting, another for myocardial infarction after stopping immunosuppressant therapy himself.Survival analysis showed patients with digital g angrene had poor prognosis though no significant difference(p=0.055).Conclusion:PAN with coronary artery lessions are not uncommon. These patients exhibit young age, more proportion of multi-vessel of coronary artery involvement, more combined involvments of other organ arteries and more severe disease.References:[1]Munguti CM, Ndunda PM, Muutu TM. Sudden Death From Spontaneous Coronary Artery Dissection Due to Polyarteritis Nodosa. Cureus, 2017;9 (10), e1737[2]Kritta nawong C, Kumar A, Johnson KW, et al.Conditions and Factors Associated With Spontaneous Coronary Artery Dissection (From a National Population-Based Cohort Study).Am J Cardiol, 2019; 123 (2): 249-253[3]Hwang J, Yang JH, Kim DK, Cha HS.Polyarteritis Nodosa Involving Renal and Coronary Arteries. J Am Coll Cardiol. 2012;59(7):e13Disclosure of Interests: :Chinchih Lai: None declared, Lin Zhao: None declared, Jiaxin Zhou: None declared, Dong Xu: None declared, Xinping Tian: None declared, Xiaofeng Zeng Consultant of: MSD Pharmaceuticals, Fengchun Zhang: None declared


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
D Kotecha ◽  
A.D.P.E Premawardhana ◽  
M Garcia-Guimaraes ◽  
D Pellegrini ◽  
A.D Wood ◽  
...  

Abstract Background Spontaneous Coronary Artery Dissection (SCAD) is an important cause of acute coronary syndrome particularly in young-middle aged women. Revascularisation is challenging due to an underlying disrupted and friable coronary vessel wall leading to widely reported worse outcomes than for atherosclerotic coronary disease. Therefore, a conservative approach where possible is favoured however in some cases haemodynamic instability, ongoing ischaemia and reduced distal flow mandates consideration of revascularisation. Purpose To compare SCAD survivors managed with PCI or conservatively in terms of presentation characteristics, complications and long-term outcomes. Methodology and results 226 angiographically confirmed SCAD survivors (95% female,47±9.7yrs) who underwent PCI were compared in a case control study with two hundred and twenty-five angiographically confirmed SCAD survivors (92% female, 49±9.9yrs) who were conservatively managed. Patients were recruited from UK, Spanish and Dutch SCAD registries and both groups were well matched in terms of baseline demographics. Those treated with PCI were more likely to present with proximal SCAD (30.8% vs 7.6% P<0.01) and ST elevation myocardial infarction (STEMI) or cardiac arrest with reduced flow (32.3% vs 6.3% P<0.01). Intervention was performed with stents in 72.4%, plain old balloon angioplasty in 21.1% and wiring in 6.4% of cases and more often for multi-segment disease (40.8% vs 26.3% P<0.01). In cases with initial reduced flow undergoing PCI an improvement in flow was seen in 83%. Analysis of UK PCI cases (n=144) reveal complications in 56 (38.8%). However, when assessed for significance defined by a reduction in flow in a proximal/mid vessel, stent extension into left main stem, iatrogenic dissection requiring PCI and CABG as a consequence of PCI only 13 cases (9%) met criteria. Iatrogenic dissection accounts for the majority (76.9%). SCAD lesion length was associated with presence of complications (P=0.025). There was a non-significant trend towards major adverse cardiovascular events (MACE) occurring more frequently in those undergoing PCI (18% vs 11% P=0.067) driven by revascularisation (5% vs 1% P=0.036). Median follow up was 2.7 years. Conclusions PCI in SCAD is often performed in higher risk patients; in those presenting with reduced flow, the majority demonstrate improvement. Importantly whilst overall complication rates were similar to those widely reported, clinically significant complications were low. Multivariate modelling will reveal factors associated with complications to aid future decision making in this challenging patient group. Funding Acknowledgement Type of funding source: Public grant(s) – National budget only. Main funding source(s): British Heart Foundation


2021 ◽  
Vol 14 (2) ◽  
pp. e240022
Author(s):  
Zia Saleh ◽  
Susan Koshy ◽  
Vaninder Sidhu ◽  
Andrea Opgenorth ◽  
Janek Senaratne

Spontaneous coronary artery dissection (SCAD) is a rare but increasingly recognised cause of acute coronary syndrome. While numerous risk factors are associated with SCAD, one potential cause is coronary artery vasospasm. The use of cabergoline—an ergot derivative and dopamine agonist that may induce vasospasm—has been associated with SCAD in one other case report worldwide. Here, we describe SCAD in a 37-year-old woman on long-term cabergoline therapy with no other cardiac risk factors. Cabergoline-induced SCAD should be considered in patients presenting with an acute coronary syndrome who are treated with this medication.


2020 ◽  
Vol 21 (Supplement_1) ◽  
Author(s):  
A Castelo ◽  
T Silva ◽  
R Ramos ◽  
A Fiarresga ◽  
R Moreira ◽  
...  

Abstract Introduction Spontaneous coronary artery dissection is a rare cause of acute coronary syndrome and is now being identified more frequently, in part because of increased awareness. Case report We present the case of a 63-year-old female, without cardiovascular risk factors or relevant past medical history. She complained of atypical chest pain in the last year. The patient was admitted due to acute chest pain at rest, hemodynamically stable, with unremarkable physical examination, including absence of heart failure signs. The EKG revealed a dynamic ST depression in leads V4-V6. The peak of high sensitivity troponin I was 13744pg/mL (ULN< 15.6) and CK 874U/l (ULN <168). The echocardiogram showed preserved left ventricular ejection fraction and hypokinesia of mid-apical segments of anterior wall. Considering the diagnosis of NSTEMI the patient underwent coronary angiography that revealed luminal narrowing of 70% in left main artery, 70% in proximal anterior descending artery (LAD) and 99% in first obtuse marginal. Given the absence of cardiovascular risk factors, the smooth angiographic appearance of coronary lesions and absence of calcium, we suspected of spontaneous dissection or vasculitis. Considering the absence of angina revascularization was delayed. A first coronary angio-CT confirmed the luminal narrowing and suggested a spontaneous dissection. Two weeks later the coronariography and the angio-CT were repeated with a significant improvement, showing only intermediate stenosis of proximal LAD. The additional imaging study revealed a 45mm ascending aortic dilation and a left primitive carotid stenosis without other vascular territory alterations, excluding fibromuscular dysplasia. The auto-immune study was unremarkable. With all these results it was assumed the diagnosis of a spontaneous coronary artery dissection and the patient was discharged asymptomatic under single antiplatelet therapy and Rivaroxaban. Three months later a new coronary angio-CT showed no significant coronary artery stenosis and the patient was asymptomatic. Discussion and conclusion The recognition of spontaneous coronary artery dissection is essential to the correct management of these cases because, unlike acute coronary syndrome due to atherosclerotic disease, the results of revascularization in these patients are suboptimal and conservative management is probably the best option. Abstract P715 Figure. angio-CT


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