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1.
Arterioscler Thromb Vasc Biol ; 43(5): 787-792, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-36756880

RESUMO

BACKGROUND: Spontaneous coronary artery dissection (SCAD) and myocardial infarction with nonobstructed coronary arteries (MINOCA) are increasingly recognized causes of acute coronary syndrome and potentially of sudden cardiac death (SCD). SCAD has been correlated to coronary fibromuscular dysplasia (FMD), but the prevalence of SCAD and FMD among SCD victims is unclear. Therefore, we sought to assess characteristics of decedents with SCAD found at autopsy and to compare their clinical and pathological profile with MINOCA victims. METHODS: We reviewed a database of 5325 consecutive cases of SCDs referred to our cardiac pathology center between 1994 and 2017. RESULTS: We identified 18 (0.3%) cases with SCAD and 37 (0.7%) with MINOCA. No signs of coronary FMD were found among SCAD and MINOCA victims. Compared to MINOCA, SCAD decedents were mostly females (78% versus 38%, P=0.006) and SCD occurred during peripartum more frequently in SCAD rather than MINOCA female victims (28% versus 3%, P=0.012) Infarcted myocardium was identified in all cases of MINOCA but only in 5 (28%) of SCAD decedents (P<0.001). Premortem cardiac symptoms were present in 100% of SCAD and 49% of MINOCA victims (P<0.001); substances use or abuse was reported in none of SCAD versus 43% of MINOCA decedents (P=0.001). CONCLUSIONS: SCAD and MINOCA are rare causes of SCD. At autopsy, coronary FMD is not present among SCAD victims. Compared to MINOCA, SCAD victims are more frequently females, are linked to pregnancy, and always experienced premortem cardiac symptoms. Among MINOCA victims' substance use or abuse is common.


Assuntos
Anomalias dos Vasos Coronários , Infarto do Miocárdio , Doenças Vasculares , Gravidez , Humanos , Feminino , Masculino , Vasos Coronários , Autopsia , MINOCA , Angiografia Coronária , Infarto do Miocárdio/epidemiologia , Infarto do Miocárdio/etiologia , Doenças Vasculares/etiologia , Anomalias dos Vasos Coronários/epidemiologia , Anomalias dos Vasos Coronários/diagnóstico , Anomalias dos Vasos Coronários/etiologia , Reino Unido/epidemiologia , Fatores de Risco
2.
Cardiovasc Res ; 118(7): 1835-1848, 2022 06 22.
Artigo em Inglês | MEDLINE | ID: mdl-34048532

RESUMO

AIMS: Spontaneous coronary artery dissection (SCAD) is a cause of acute coronary syndromes and in rare cases sudden cardiac death (SCD). Connective tissue abnormalities, coronary inflammation, increased coronary vasa vasorum (VV) density, and coronary fibromuscular dysplasia have all been implicated in the pathophysiology of SCAD but have not previously been systematically assessed. We designed a study to investigate the coronary histological and dermal collagen ultrastructural findings in SCAD. METHODS AND RESULTS: Thirty-six autopsy SCAD cases were compared with 359 SCAD survivors. Coronary and myocardial histology and immunohistochemistry were undertaken. Transmission electron microscopy (TEM) of dermal extracellular matrix (ECM) components of n = 31 SCAD survivors and n = 16 healthy volunteers were compared. Autopsy cases were more likely male (19% vs. 5%; P = 0.0004) with greater proximal left coronary involvement (56% vs. 18%; P < 0.0001) compared to SCAD survivors. N = 24 (66%) of cases showed no myocardial infarction on macro- or microscopic examination consistent with arrhythmogenic death. There was significantly (P < 0.001) higher inflammation in cases with delayed-onset death vs. sudden death and significantly more inflammation surrounding the dissected vs. non-dissected vessel segments. N = 17 (47%) cases showed limited intimal fibro-elastic thickening but no features of fibromuscular dysplasia and no endothelial or internal elastic lamina abnormalities. There were no differences in VV density between SCAD and control cases. TEM revealed no general ultrastructural differences in ECM components or markers of fibroblast metabolic activity. CONCLUSIONS: Assessment of SCD requires careful exclusion of SCAD, particularly in cases without myocardial necrosis. Peri-coronary inflammation in SCAD is distinct from vasculitides and likely a reaction to, rather than a cause for SCAD. Coronary fibromuscular dysplasia or increased VV density does not appear pathophysiologically important. Dermal connective tissue changes are not common in SCAD survivors.


Assuntos
Anomalias dos Vasos Coronários , Displasia Fibromuscular , Infarto do Miocárdio , Doenças Vasculares , Tecido Conjuntivo , Angiografia Coronária/métodos , Anomalias dos Vasos Coronários/diagnóstico por imagem , Anomalias dos Vasos Coronários/etiologia , Vasos Coronários , Humanos , Inflamação , Masculino , Infarto do Miocárdio/patologia , Doenças Vasculares/congênito
3.
Arch. cardiol. Méx ; 91(1): 114-120, ene.-mar. 2021. graf
Artigo em Espanhol | LILACS | ID: biblio-1152868

RESUMO

Resumen A 29 year old female with a past medical history of systemic lupus erythematosus, diagnosed 15 years earlier, presents with lupus nephritis, currently on peritoneal dialysis. She had myopericarditis in 2012 and is currently on immunosuppressants. The patient began with exertional dyspnea and angina 2 weeks before admission. An echocardiogram was performed, reporting severe mitral and tricuspid insufficiency. Afterwards, the patient presented with resting angina associated with an adrenergic and vagal response. Initially, rheumatology ruled out autoimmune activity caused by lupus. We performed a coronary angiogram based on clinical presentation, EKG changes and biomarkers, finding a trivascular coronary artery disease classified as a Markis I coronary artery ectasia and a coronary dissection of the ramus intermedius and the circumflex, posterior to the first obtuse marginal artery. Cardiothoracic surgery considered intervention with a coronary bridge posterior to the dissection of the intermedius ramus artery, marginal obtuse and posterolateral artery, as well as a mitral valve replacement and a tricuspid valve repair. Coronary dissection is more common in women (70%), clinical presentation varies from unstable angina to sudden death. In lupus nephritis, it is an uncommon form of extra renal vasculitis. Treatment depends on the number of arteries affected, as well as the haemodynamic state of the patient. It is imperative to individualize treatment options.


Abstract Se presenta el caso de una paciente de 29 años con antecedente de lupus eritematoso sistémico diagnosticado 15 años antes, que desarrolló nefropatía lúpica actualmente en diálisis peritoneal, cuadro de miopericarditis en 2012 y bajo tratamiento inmunosupresor. Inició con deterioro de su clase funcional por disnea y angina 2 semanas previas al ingreso. Se le realizó ecocardiograma, el cual reportó insuficiencias mitral y tricuspídea graves. Posteriormente presentó angina en reposo asociada a descarga adrenérgica y vagal. A su ingreso se descarta actividad lúpica por reumatología. Por presentación clínica, cambios en electrocardiograma y biomarcadores, se realizó cateterismo cardiaco, que reportó enfermedad coronaria trivascular con ectasia coronaria Markis I y disección coronaria de ramo intermedio y circunfleja posterior a la primera marginal obtusa. Se consideró por el servicio de cirugía cardiotorácica realizar intervención con puente coronario posterior a disección del ramo intermedio, marginal obtusa y posterolateral, así como cambio valvular mitral y plastia tricuspídea. La disección coronaria espontánea es más frecuente en las mujeres (70%); puede presentarse como angina inestable y hasta como muerte súbita. La asociación con lupus eritematoso sistémico es poco frecuente, con una incidencia del 0.42%. En la nefropatía lúpica es una manifestación poco frecuente de vasculitis extrarrenal. El tratamiento de elección depende del número de vasos afectados y del estado hemodinámico, por lo que es necesario individualizarlo para cada paciente.


Assuntos
Humanos , Feminino , Adulto , Doenças Vasculares/congênito , Anomalias dos Vasos Coronários/etiologia , Lúpus Eritematoso Sistêmico/complicações , Doenças Vasculares/etiologia
4.
BMJ Case Rep ; 14(2)2021 Feb 09.
Artigo em Inglês | MEDLINE | ID: mdl-33563672

RESUMO

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.


Assuntos
Cabergolina/efeitos adversos , Vasoespasmo Coronário/induzido quimicamente , Vasoespasmo Coronário/complicações , Anomalias dos Vasos Coronários/etiologia , Agonistas de Dopamina/efeitos adversos , Doenças Vasculares/congênito , Adulto , Feminino , Humanos , Neoplasia Endócrina Múltipla/tratamento farmacológico , Doenças Vasculares/etiologia
5.
Vascular ; 29(5): 742-744, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-33297877

RESUMO

OBJECTIVE: Fibromuscular dysplasia rarely involves vessels other than the renal and carotid arteries. We present a case of a rare fibromuscular dysplasia involving multiple vascular beds in a young female patient with history of spontaneous coronary artery (SCAD). METHODS: This is a case report with review of the literature using PubMed search for other cases of fibromuscular dysplasia that involves multiple vascular beds and its association with SCAD. The patient agreed to publish her case including her images. RESULTS: Fibromuscular dysplasia involving multiple vascular beds in a young female patient with prior coronary dissection is rarely reported in the literature. CONCLUSION: Fibromuscular dysplasia affecting multiple vascular beds is rare but should be suspected in patients with SCAD, particularly young female patients.


Assuntos
Aneurisma/etiologia , Estenose das Carótidas/etiologia , Artéria Celíaca , Anomalias dos Vasos Coronários/etiologia , Displasia Fibromuscular/complicações , Artéria Mesentérica Superior , Doenças Vasculares/congênito , Aneurisma/diagnóstico por imagem , Aneurisma/terapia , Estenose das Carótidas/diagnóstico por imagem , Estenose das Carótidas/terapia , Artéria Celíaca/diagnóstico por imagem , Anomalias dos Vasos Coronários/diagnóstico por imagem , Anomalias dos Vasos Coronários/terapia , Feminino , Displasia Fibromuscular/diagnóstico por imagem , Displasia Fibromuscular/terapia , Humanos , Artéria Mesentérica Superior/diagnóstico por imagem , Pessoa de Meia-Idade , Prognóstico , Fatores de Risco , Doenças Vasculares/diagnóstico por imagem , Doenças Vasculares/etiologia , Doenças Vasculares/terapia
6.
Coron Artery Dis ; 32(2): 152-163, 2021 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-32694362

RESUMO

Coronary artery dissection is a serious, life-threatening heart condition. It can occur spontaneously or due to traumatic or iatrogenic causes. Spontaneous coronary artery dissection (SCAD) is often misdiagnosed as most patients present with symptoms resembling those of an acute coronary syndrome. Clinical sequelae of SCAD include debilitating morbidities such as myocardial infarction, myocardial ischaemia, sudden cardiac death, ventricular arrhythmias amongst many other myocardial ischaemia associated complications. There are two main methods of managing patients with SCAD; conservative management with medical therapy or revascularisation by percutaneous coronary intervention or coronary artery bypass grafting.


Assuntos
Anomalias dos Vasos Coronários/diagnóstico , Anomalias dos Vasos Coronários/terapia , Doenças Vasculares/congênito , Tratamento Conservador , Ponte de Artéria Coronária , Anomalias dos Vasos Coronários/etiologia , Anomalias dos Vasos Coronários/fisiopatologia , Humanos , Intervenção Coronária Percutânea , Fatores de Risco , Doenças Vasculares/diagnóstico , Doenças Vasculares/etiologia , Doenças Vasculares/fisiopatologia , Doenças Vasculares/terapia
7.
J Thorac Cardiovasc Surg ; 161(4): 1396-1404, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32713644

RESUMO

OBJECTIVE: Using 3-dimensional (3D) modeling to predict late coronary events after the arterial switch operation (ASO) for transposition of the great arteries (TGA). METHOD: We reviewed 100 coronary computed tomography scans performed after ASO randomly selected from free-from-coronary-event patients and 21 coronary computed tomography scans from patients who had a coronary event later than 3 years after ASO. Using 3D modeling software, we defined and measured 6 geometric criteria for each coronary artery: Clockwise position of coronary ostium, First centimeter angle defined as the angle between of the coronary artery ostium and the first centimeter of the vessel, Minimal 3D angle between the coronary first centimeter and the aortic wall, ostium height defined as the distance between the ostium and the aortic valve, distance between the coronary ostium and the pulmonary artery, and distance between the coronary first centimeter and the pulmonary artery. RESULTS: None of the right ostium geometric parameters were associated with coronary events. Four out of 6 criteria of left coronary artery geometry were associated to coronary events: Clockwise position of the left ostium >67° (P < .001), First centimeter angle >62° (P < .01), minimal 3D angle <39° (P = .003), distance between the coronary ostium and the pulmonary artery <1 mm/mm (P = .03). The association of first centimeter angle >62° and minimal angle in 3D <39° had a 88% sensitivity and a 81% specificity to predict coronary events (receiver operator characteristics curve, 0.847; 95% confidence interval, 0.745-0.949; P < .001). CONCLUSIONS: The acquired geometric characteristics of the transferred left coronary artery are associated with coronary events. Imaging coronary arteries after ASO might be useful to select patients at higher risk of coronary events and to tailor surveillance.


Assuntos
Transposição das Grandes Artérias/efeitos adversos , Doença da Artéria Coronariana/epidemiologia , Anomalias dos Vasos Coronários/diagnóstico por imagem , Complicações Pós-Operatórias/diagnóstico por imagem , Transposição dos Grandes Vasos/cirurgia , Pré-Escolar , Angiografia por Tomografia Computadorizada , Angiografia Coronária , Anomalias dos Vasos Coronários/etiologia , Feminino , Humanos , Imageamento Tridimensional , Masculino , Complicações Pós-Operatórias/etiologia , Valor Preditivo dos Testes , Curva ROC , Estudos Retrospectivos , Fatores de Risco , Transposição dos Grandes Vasos/complicações , Transposição dos Grandes Vasos/diagnóstico por imagem
8.
Heart Lung Circ ; 30(1): 27-35, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-32713767

RESUMO

The burden of cardiovascular disease in women is being increasingly appreciated. Nevertheless, both clinicians and the general public are largely unaware that cardiovascular disease is the leading cause of death worldwide in women in all countries and that outcomes after a heart attack are worse for women than men. Of note, certain types of cardiovascular disease have a predilection for women, including spontaneous coronary artery dissection (SCAD) and fibromuscular dysplasia (FMD). Although uncommon, SCAD is being increasingly recognised as the cause of an acute coronary syndrome (ACS) and can recur. It is a potentially fatal, under-diagnosed condition that affects relatively young women, who often have few traditional risk factors, and is the commonest cause of a myocardial infarction associated with pregnancy. In contrast, FMD often remains silent but when manifested can also cause major sequelae, including renal infarction, stroke, cervical artery dissection and gut infarction. Here we provide an update on the diagnosis, aetiology and management of these important disorders that overwhelmingly affect women.


Assuntos
Anomalias dos Vasos Coronários/etiologia , Vasos Coronários/diagnóstico por imagem , Displasia Fibromuscular/complicações , Doenças Vasculares/congênito , Angiografia Coronária , Anomalias dos Vasos Coronários/diagnóstico , Feminino , Displasia Fibromuscular/diagnóstico , Humanos , Fatores de Risco , Doenças Vasculares/diagnóstico , Doenças Vasculares/etiologia
9.
Am J Cardiol ; 125(1): 34-39, 2020 01 01.
Artigo em Inglês | MEDLINE | ID: mdl-31706452

RESUMO

Fibromuscular dysplasia (FMD) has recently been associated with spontaneous coronary artery dissection (SCAD). We sought to further elucidate the association of FMD with SCAD. We performed a retrospective cohort review of patients with SCAD evaluated at our institution from 2008 to 2019. Baseline characteristics, coronary angiographic data, and screening for FMD were recorded. In patients who completed screening for FMD, variables were compared between patients with FMD and those without. We identified 51 patients with SCAD, all of whom were female, with a mean age of 46.8 years. A quarter of patients underwent percutaneous coronary intervention (PCI) and half of those suffered a complication during PCI. 78% of patients underwent complete screening for FMD, of which 63% were diagnosed with multifocal FMD. Vascular abnormalities other than FMD were found in 70% of screened patients. Patients with FMD were older than those without FMD (50.7 vs 42.6 years, p = 0.006). FMD was more frequently associated with type 2 SCAD (84% vs 47%, p = 0.025), tortuous non-SCAD coronaries (96% vs 53%, p = 0.002), and other vascular abnormalities (84% vs 47%, p = 0.03). In conclusion, the majority of patients within the all-female cohort with SCAD were found to have FMD. Other vascular abnormalities were also common. Patients with FMD were older and were more likely to have type 2 SCAD, tortuous non-SCAD coronary arteries, and other vascular abnormalities.


Assuntos
Angiografia Coronária/métodos , Anomalias dos Vasos Coronários/etiologia , Vasos Coronários/diagnóstico por imagem , Displasia Fibromuscular/complicações , Doenças Vasculares/congênito , Malformações Vasculares/diagnóstico , Adulto , Angiografia por Tomografia Computadorizada , Anomalias dos Vasos Coronários/diagnóstico , Anomalias dos Vasos Coronários/cirurgia , Feminino , Displasia Fibromuscular/diagnóstico , Seguimentos , Humanos , Pessoa de Meia-Idade , Intervenção Coronária Percutânea/métodos , Estudos Retrospectivos , Doenças Vasculares/diagnóstico , Doenças Vasculares/etiologia , Doenças Vasculares/cirurgia
10.
Curr Opin Cardiol ; 34(5): 543-551, 2019 09.
Artigo em Inglês | MEDLINE | ID: mdl-31335330

RESUMO

PURPOSE OF REVIEW: The purpose of this review is to survey the contemporary literature surrounding congenital anomalies of origin of the coronary arteries and to identify remaining gaps in knowledge. RECENT FINDINGS: In recent years, lineage tracing analyses and mechanistic studies in model organisms have enhanced our understanding of the normal embryologic development of the coronary arteries, and how disruption of this intricate process can lead to congenital coronary anomalies. The true incidence of these anomalies remains unknown. Although a majority of cases are believed to be clinically silent, clinical presentation varies widely, from asymptomatic to sudden cardiac death. Cardiac computed tomography angiography and/or magnetic resonance angiography are the mainstay diagnostic modalities. Management of anomalous coronary arteries depends on the morphology and clinical presentation. Surgery is the gold-standard treatment for anomalous left coronary artery arising from the pulmonary artery and anomalous aortic origin of a coronary artery with intramural or interarterial course. SUMMARY: Several large multicenter initiatives are currently underway and should help address some of the numerous knowledge gaps surrounding the evaluation and management of anomalous coronary arteries.


Assuntos
Anomalias dos Vasos Coronários , Anomalias dos Vasos Coronários/classificação , Anomalias dos Vasos Coronários/diagnóstico por imagem , Anomalias dos Vasos Coronários/etiologia , Anomalias dos Vasos Coronários/terapia , Previsões , Humanos
11.
Expert Rev Cardiovasc Ther ; 17(7): 497-510, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31232618

RESUMO

Introduction: Spontaneous coronary artery dissection (SCAD) is an increasingly appreciated cause of acute myocardial infarction (AMI) and sudden cardiac death most often affecting young to middle-aged women with few conventional cardiovascular risk factors. Areas covered: A literature search was performed using MedLine, PubMed, and Google Scholar (dating to 04/30/2019). Authors review the key clinical features of SCAD and highlight what is known regarding its pathophysiology and associated factors. The relationship between SCAD and other systemic vasculopathies, notably fibromuscular dysplasia (FMD) is also discussed. Authors also mention the management of acute SCAD along with considerations for long term follow-up such as chest pain syndrome, extracoronary vasculopathy screening, and recurrent SCAD. Expert opinion: Our understanding regarding the association of SCAD and other arteriopathies such as FMD is anticipated to grow. In addition, progress is likely to be made in our efforts to predict recurrent SCAD risk and define potential preventative strategies, possibly through the incorporation of adjunctive imaging.


Assuntos
Anomalias dos Vasos Coronários/etiologia , Doenças Vasculares/congênito , Adulto , Anomalias dos Vasos Coronários/complicações , Anomalias dos Vasos Coronários/diagnóstico , Anomalias dos Vasos Coronários/fisiopatologia , Gerenciamento Clínico , Feminino , Humanos , Pessoa de Meia-Idade , Infarto do Miocárdio/etiologia , Recidiva , Doenças Vasculares/complicações , Doenças Vasculares/diagnóstico , Doenças Vasculares/etiologia , Doenças Vasculares/fisiopatologia
12.
Catheter Cardiovasc Interv ; 94(5): 702-705, 2019 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-31033181

RESUMO

A 54-year-old woman with no prior coronary artery disease or cardiac risk factors was diagnosed with spontaneous coronary artery dissection (SCAD) after presenting with an acute coronary syndrome. Over the next 5 years, she experienced four more episodes of SCAD, involving different coronary artery distributions, with evidence of complete angiographic healing following conservative management with antiplatelet therapy and beta-blockade.


Assuntos
Anomalias dos Vasos Coronários/etiologia , Displasia Fibromuscular/complicações , Doenças Vasculares/congênito , Síndrome Coronariana Aguda/etiologia , Antagonistas Adrenérgicos beta/uso terapêutico , Anomalias dos Vasos Coronários/diagnóstico por imagem , Anomalias dos Vasos Coronários/tratamento farmacológico , Feminino , Displasia Fibromuscular/diagnóstico por imagem , Displasia Fibromuscular/tratamento farmacológico , Humanos , Pessoa de Meia-Idade , Inibidores da Agregação Plaquetária/uso terapêutico , Recidiva , Resultado do Tratamento , Doenças Vasculares/diagnóstico por imagem , Doenças Vasculares/tratamento farmacológico , Doenças Vasculares/etiologia
13.
Int J Cardiol ; 286: 220-225, 2019 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-30448113

RESUMO

Spontaneous coronary artery dissections (SCADs) are increasingly recognized as an important cause of acute coronary syndromes in predominantly women below 60 years of age. SCAD patients comprise a heterogeneous group, in which it is estimated that a quarter to one third have underlying fibromuscular dysplasia (FMD). Although the mutual relationship of SCAD and FMD is complex and only partly understood, there seems to be some overlap in genetic background and interaction with endogenous sex-steroids. In this review we provide an update of our current knowledge on these intriguing emerging arteriopathies.


Assuntos
Anomalias dos Vasos Coronários/etiologia , Displasia Fibromuscular/complicações , Medição de Risco/métodos , Doenças Vasculares/congênito , Anomalias dos Vasos Coronários/epidemiologia , Feminino , Saúde Global , Humanos , Incidência , Masculino , Fatores de Risco , Distribuição por Sexo , Fatores Sexuais , Doenças Vasculares/epidemiologia , Doenças Vasculares/etiologia
14.
Catheter Cardiovasc Interv ; 93(4): 631-634, 2019 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-30467965

RESUMO

Spontaneous coronary artery dissection (SCAD) is an important cause of acute coronary syndrome especially in women. The most common underlying predisposing cause of SCAD is fibromuscular dysplasia (FMD), a non-inflammatory arteriopathy that results in weakening of the affected arteries, and can cause dissection or aneurysm. Coronary FMD (CFMD) was described as rare, and was shown to cause SCAD in histopathological case reports. Unfortunately, CFMD is challenging to diagnose on coronary angiography, as the findings can be similar to other causes of coronary artery disease. Therefore, we illustrate two case examples of CFMD on coronary angiography, and highlight findings on optical coherence tomography to aid diagnosis.


Assuntos
Angiografia Coronária , Anomalias dos Vasos Coronários/diagnóstico por imagem , Vasos Coronários/diagnóstico por imagem , Displasia Fibromuscular/diagnóstico por imagem , Tomografia de Coerência Óptica , Doenças Vasculares/congênito , Adulto , Idoso , Anomalias dos Vasos Coronários/etiologia , Anomalias dos Vasos Coronários/patologia , Anomalias dos Vasos Coronários/terapia , Vasos Coronários/patologia , Feminino , Displasia Fibromuscular/complicações , Displasia Fibromuscular/patologia , Displasia Fibromuscular/terapia , Humanos , Masculino , Valor Preditivo dos Testes , Doenças Vasculares/diagnóstico por imagem , Doenças Vasculares/etiologia , Doenças Vasculares/patologia , Doenças Vasculares/terapia
15.
Cardiovasc Pathol ; 37: 45-53, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30342321

RESUMO

Myocardial damage in catecholamine cardiomyopathy, characterized by patchy myocyte necrosis commonly with contraction band appearances, interstitial fibrosis, and varying degrees of inflammatory infiltrates, has been well documented. However, coronary vascular pathology has not been recognized. Autopsy of a 43-year-old housewife who died of acute apical anteroseptal myocardial infarction revealed the incidental finding of a left adrenal pheochromocytoma. The epicardial and intramyocardial median- and small-sized coronary arteries exhibited myointimal dysplasia in the form of fibroblastic proliferation in the intima and media, resulting in thickened dysplastic vessels with marked luminal narrowing, occasionally leading to near-total occlusion. The distal left anterior descending artery showed features of recanalization after prior embolic occlusion. The density and severity of vascular involvement revealed a decreasing gradient from apical to basal region, mainly affecting the left ventricle, but the proximal coronary arteries were minimally affected. Myointimal dysplasia was not seen in control cases of hypertensive heart, and despite its presence in hearts with hypertrophic cardiomyopathy, it lacked the distinctive pattern of distribution and the epicardial vessels are uninvolved. Myointimal dysplasia probably results from reactive fibroplasia in response to the vasoconstrictive effect of circulating or local neurosecretory catecholamine and appears crucial in the pathogenesis of various types of catecholamine cardiomyopathy, including Takotsubo or stress cardiomyopathy. Together with the direct catecholamine cardiotoxicity, they result in diffuse microscopic ischemic necrosis and fibrosis. Depending on the type of catecholamine overproduction and action, together with the characteristic anatomic distribution and density of the various types of adrenergic receptors in the ventricles, different regions of the heart are variously affected so that different patterns of ventricular dysfunction are produced, with the subsequent angiographic appearances ranging from apical through midventricular to basal ballooning. Additional complications from the myointimal dysplasia include spontaneous coronary dissection, acute myocardial infarction, and superimposed thrombus formation in the dysplastic vessels and dyskinetic ventricle, with the risk of further damage from embolic events.


Assuntos
Neoplasias das Glândulas Suprarrenais/complicações , Anomalias dos Vasos Coronários/etiologia , Vasos Coronários/patologia , Infarto do Miocárdio/etiologia , Feocromocitoma/complicações , Cardiomiopatia de Takotsubo/etiologia , Doenças Vasculares/congênito , Neoplasias das Glândulas Suprarrenais/metabolismo , Neoplasias das Glândulas Suprarrenais/patologia , Neoplasias das Glândulas Suprarrenais/fisiopatologia , Adulto , Autopsia , Catecolaminas/metabolismo , Anomalias dos Vasos Coronários/metabolismo , Anomalias dos Vasos Coronários/patologia , Anomalias dos Vasos Coronários/fisiopatologia , Vasos Coronários/metabolismo , Evolução Fatal , Feminino , Fibrose , Humanos , Infarto do Miocárdio/metabolismo , Infarto do Miocárdio/patologia , Infarto do Miocárdio/fisiopatologia , Miocárdio/metabolismo , Miocárdio/patologia , Necrose , Feocromocitoma/metabolismo , Feocromocitoma/patologia , Feocromocitoma/fisiopatologia , Cardiomiopatia de Takotsubo/metabolismo , Cardiomiopatia de Takotsubo/patologia , Cardiomiopatia de Takotsubo/fisiopatologia , Doenças Vasculares/etiologia , Doenças Vasculares/metabolismo , Doenças Vasculares/patologia , Doenças Vasculares/fisiopatologia , Função Ventricular Esquerda , Função Ventricular Direita , Remodelação Ventricular
16.
Bol. méd. Hosp. Infant. Méx ; 75(3): 145-152, May.-Jun. 2018. tab
Artigo em Espanhol | LILACS | ID: biblio-974038

RESUMO

Resumen: Introducción: La enfermedad de Kawasaki (EK) es una vasculitis sistémica aguda de pequeños y medianos vasos, que se presenta principalmente en niños. Se manifiesta como síndrome febril aunado a datos de vasculitis, y puede causar anormalidades en las arterias coronarias en el 25% de los pacientes no tratados. El objetivo de este estudio fue describir el comportamiento clínico y la identificación de factores de riesgo para complicaciones cardiovasculares en pacientes pediátricos con EK atendidos en un hospital de segundo nivel del noroeste de México. Métodos: Bajo un diseño de serie de casos, se estudiaron pacientes pediátricos con diagnóstico de EK. Se midieron variables clínicas, de laboratorio y presencia de complicaciones cardiacas, y se estimó la probabilidad de riesgo con razón de momios (RM) y asociación con prueba de ji al cuadrado. Resultados: Se incluyeron 12 pacientes y predominó el sexo femenino; la edad media de presentación de la EK fue de 2 años. La presentación clínica fue completa en el 100% de los casos y hubo además manifestaciones atípicas. El 50% de los pacientes estudiados presentaron complicaciones cardiovasculares; la más común fue afección coronaria (33%). Las variables sexo masculino, edad menor de 2 años y anemia tuvieron RM de 5.5 y 10 de presentar complicaciones cardiovasculares. Conclusiones: Las complicaciones cardiovasculares de la EK son frecuentes (más del 30% de los pacientes). Las variables sexo masculino, edad menor de 2 años y anemia incrementaron la probabilidad de riesgo para la presencia de complicaciones cardiovasculares.


Abstract: Background: Kawasaki disease (KD) is an acute systemic vasculitis of small and medium vessels, which occurs primarily in children; it manifests itself as a febrile syndrome coupled with vasculitis data and can cause coronary artery abnormalities in 25% of untreated patients. The objective of this study was to describe the clinical behavior and to identify risk factors for cardiovascular complications in pediatric patients with KD, in a second level hospital in Northwestern Mexico. Methods: Under a case series design, we studied pediatric patients with diagnosis of KD. We measured clinical variables, laboratory values and the presence of cardiac complications; the probability of risk was determined with odds ratio (OR) and the association with chi squared test. Results: 12 patients were included, and the female gender predominated; the mean age of presentation of KD was 2 years. The clinical presentation was complete in 100 % of the cases and patients also presented atypical manifestations. 50% of the patients studied had cardiovascular complications, the most common of which was coronary disease (33%). The variables male gender, age under 2 years and anemia reported OR of 5.5 and 10 to present cardiovascular complications. Conclusions: Cardiovascular complications of KD are frequent (more than 30%). Male gender, age under 2 years and anemia increase the probability of risk for the presence of cardiovascular complications.


Assuntos
Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Doenças Cardiovasculares/etiologia , Doença das Coronárias/etiologia , Síndrome de Linfonodos Mucocutâneos/complicações , Doenças Cardiovasculares/epidemiologia , Fatores Sexuais , Fatores de Risco , Fatores Etários , Doença das Coronárias/epidemiologia , Anomalias dos Vasos Coronários/etiologia , Anemia/complicações , México
17.
Int Heart J ; 59(4): 891-894, 2018 Jul 31.
Artigo em Inglês | MEDLINE | ID: mdl-29794388

RESUMO

We report a rare spontaneous coronary artery dissection (SCAD) case accompanied by antiphospholipid syndrome (APS) and leukemia which was treated successfully with drug-eluted stents (DES) implantation. This young SCAD patient was initially diagnosed of acute myocardial infarction (AMI); however, except for 6 pack-years of smoking, there were no risk factors or family history of coronary artery disease. Subsequently, we screened other clinical status like autoimmune diseases and finally found APS. In general, APS was associated with thromboembolism events, not coronary artery dissection. Our case indicated that SCAD could be a rare manifestation of APS which should draw our attention. In addition, our bail-out therapy acquired the expected effect.


Assuntos
Síndrome Antifosfolipídica , Anomalias dos Vasos Coronários , Leucemia/complicações , Infarto do Miocárdio/diagnóstico , Intervenção Coronária Percutânea/métodos , Doenças Vasculares/congênito , Adulto , Síndrome Antifosfolipídica/complicações , Síndrome Antifosfolipídica/diagnóstico , Angiografia Coronária/métodos , Anomalias dos Vasos Coronários/diagnóstico , Anomalias dos Vasos Coronários/etiologia , Anomalias dos Vasos Coronários/fisiopatologia , Anomalias dos Vasos Coronários/cirurgia , Diagnóstico Diferencial , Stents Farmacológicos , Humanos , Leucemia/diagnóstico , Masculino , Resultado do Tratamento , Doenças Vasculares/diagnóstico , Doenças Vasculares/etiologia , Doenças Vasculares/fisiopatologia , Doenças Vasculares/cirurgia
19.
World J Pediatr Congenit Heart Surg ; 9(2): 246-250, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-27619328

RESUMO

A 2-month-old male with dysmorphic facies, neonatal thrombocytopenia, left congenital cataract, and long bone abnormalities became hypotensive with ST depression on induction of anesthesia for congenital cataract repair. Echocardiogram demonstrated decreased left ventricular function (ejection fraction 46%), mild mitral valve regurgitation (MR), and regional wall motion abnormalities. The left coronary artery could not be visualized. Subsequent cardiac catheterization confirmed atresia of the left main coronary artery. The patient underwent cardiac surgery with coronary artery bypass grafting of the left internal mammary artery to the left anterior descending coronary artery. His postoperative course was uncomplicated, his ventricular function normalized, and he was discharged home. Over the next few months, he developed progressive, severe MR refractory to medical management. Repeat cardiac catheterization revealed stenosis of the right proximal coronary artery, raising concern for progressive coronary involvement. In addition to dysmorphic features and failure to thrive, there were profound developmental delays and a finding of vacuolated lymphocytes on blood smear, which led to a diagnosis of mucolipidosis II (Inclusion [I]-cell disease). The patient was referred for mitral valve replacement, which was successful; however, ongoing respiratory issues attributed to the progression of I-cell disease led to a prolonged hospitalization with placement of a tracheostomy. Reports of coronary anomalies in patients with I-cell disease are rare. An association between mucopolysaccharidosis syndromes and coronary artery abnormalities has been established and is supported by this case report, highlighting the importance of considering the potential for coronary artery involvement with I-cell disease and other similar storage diseases.


Assuntos
Anomalias dos Vasos Coronários/etiologia , Mucolipidoses/diagnóstico , Anomalias dos Vasos Coronários/diagnóstico , Evolução Fatal , Humanos , Lactente , Masculino , Mucolipidoses/complicações
20.
Braz J Cardiovasc Surg ; 32(6): 536-538, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-29267618

RESUMO

INTRODUCTION: Spontaneous coronary artery dissection is a sudden separation between the layers of a coronary artery wall, non-iatrogenic or trauma related, that has been recognized as an important cause of myocardial infarction. OBJECTIVE: To report an emblematic case, in terms of angiographic images, clinical presentation and predisposing factors, whose clinical management failure led to surgical intervention. METHODS: A previously healthy 48-year-old male farmer was admitted to the emergency room complaining of anterior chest pain described as "tearing", which started after physical exertion. Anterior wall ST-segment depression was observed in the electrocardiogram and troponin levels were increased. The patient then underwent coronary catheterization. Angiography showed a tortuous left anterior descending coronary artery with a dissection line involving proximal and middle segments, resulting in mild to moderate luminal stenosis. At first, a conservative approach was chosen. Control cardiac catheterization, 3 months later, showed dissection progression to the distal segment. RESULTS: The patient was referred to surgical treatment. Internal thoracic artery and a great saphenous vein graft were used to revascularize the target vessels. He had an uneventful postoperative course. CONCLUSION: In this report, we describe a typical clinical manifestation of an uncommon cause of acute myocardial infarction. The dissection was started by an extreme physical effort, which is a known triggering factor. Management of these cases is always challenging because there are no evidence-based therapies or guideline-based recomendations.


Assuntos
Ponte de Artéria Coronária , Anomalias dos Vasos Coronários/diagnóstico por imagem , Doenças Vasculares/congênito , Angiografia Coronária , Anomalias dos Vasos Coronários/etiologia , Anomalias dos Vasos Coronários/cirurgia , Humanos , Masculino , Pessoa de Meia-Idade , Esforço Físico , Doenças Vasculares/diagnóstico por imagem , Doenças Vasculares/etiologia , Doenças Vasculares/cirurgia
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