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      The importance of the early diagnosis of aorta coarctation

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          Abstract

          SUMMARY INTRODUCTION: Coarctation of the aorta is a congenital heart disease characterized by a narrowing that occurs in the aortic artery. This constriction can occur anywhere along its entire length; however, it is more common between the origin of the left subclavian artery and the ductus arteriosus. Its incidence corresponds to 3 cases per 10,000 births. Thus, it is a common cardiopathy, but with high mortality and morbidity rates, which are related to a failure in the early diagnosis. METHOD: In the research, articles of the national and international literature in Pubmed, Scielo and Lilacs databases were selected using the following descriptors: coarctation, aorta, diagnosis, heart diseases, congenital abnormalities. RESULTS: The pathophysiology of CoA and its systemic implications in the life of newborn and adults are well elucidated. However, due to the lack of habit to palpate pulses and to check the blood pressure in both upper and lower limbs during the physical examination, it is still a pathology little diagnosed in childhood. There are several techniques used in the repair of coarctation, each with their specifics, although, when not treated, aneurysms, heart failure, coronary diseases, and stroke are the main complications arising from the evolution of this pathology, which explains the low survival rate of these patients. CONCLUSION: Coarctation of the aorta is, therefore, a cardiac malformation of significant importance due to its incidence and its significant mortality risk. In this sense, the early diagnosis stands out as an essential piece for better prognosis of the patient.

          Translated abstract

          RESUMO INTRODUÇÃO: A coarctação da aorta é uma cardiopatia congênita caracterizada por um estreitamento que ocorre na artéria aorta. Essa constrição pode ocorrer em qualquer local ao longo de toda a sua extensão, entretanto, é mais comum entre a origem da artéria subclávia esquerda e o ducto arterioso. Sua incidência corresponde a três casos a cada 10.000 nascimentos, sendo, desse modo, uma cardiopatia comum, porém com elevada taxa de mortalidade e morbidade, as quais estão relacionadas à falha no diagnóstico precoce. MÉTODOS: Este artigo trata-se de uma revisão bibliográfica narrativa da literatura. Na pesquisa foram selecionados artigos na literatura nacional e internacional nas bases de dados PubMed, SciELO e Lilacs, utilizando-se os seguintes descritores: coarctação, aorta, diagnóstico, cardiopatias, anormalidades congênitas. RESULTADOS: A fisiopatologia da coarctação da aorta e as implicações sistêmicas dessa cardiopatia na vida do recém-nascido e do adulto estão bem elucidadas. Entretanto, devido à falta de costume em palpar pulsos e aferir a pressão arterial nos membros superiores e inferiores durante o exame físico, ainda é uma patologia pouco diagnosticada na infância. Existem diversas técnicas utilizadas no reparo da coarctação, cada uma com suas especificidades, porém, quando não tratada, aneurismas, insuficiência cardíaca, coronariopatias e acidentes vasculares encefálicos são as principais complicações provenientes da evolução dessa patologia, o que explica uma baixa sobrevida desses pacientes. CONCLUSÃO: A coarctação da aorta é, portanto, uma malformação cardíaca de importância relevante devido a sua incidência e ao seu potencial risco de mortalidade. Nesse sentido, o diagnóstico precoce destaca-se como peça fundamental para um melhor prognóstico do paciente.

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          Most cited references37

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          Guidelines and protocols for cardiovascular magnetic resonance in children and adults with congenital heart disease: SCMR expert consensus group on congenital heart disease

          Cardiovascular magnetic resonance (CMR) has taken on an increasingly important role in the diagnostic evaluation and pre-procedural planning for patients with congenital heart disease. This article provides guidelines for the performance of CMR in children and adults with congenital heart disease. The first portion addresses preparation for the examination and safety issues, the second describes the primary techniques used in an examination, and the third provides disease-specific protocols. Variations in practice are highlighted and expert consensus recommendations are provided. Indications and appropriate use criteria for CMR examination are not specifically addressed.
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            Diagnosis, imaging and clinical management of aortic coarctation.

            Coarctation of the aorta (CoA ) is a well-known congenital heart disease (CHD) , which is often associated with several other cardiac and vascular anomalies, such as bicuspid aortic valve (BAV), ventricular septal defect, patent ductus arteriosus and aortic arch hypoplasia. Despite echocardiographic screening, prenatal diagnosis of C o A remains difficult. Most patients with CoA present in infancy with absent, delayed or reduced femoral pulses, a supine arm-leg blood pressure gradient (> 20 mm Hg), or a murmur due to rapid blood flow across the CoA or associated lesions (BAV). Transthoracic echocardiography is the primary imaging modality for suspected CoA. However, cardiac magnetic resonance imaging is the preferred advanced imaging modality for non-invasive diagnosis and follow-up of CoA. Adequate and timely diagnosis of CoA is crucial for good prognosis, as early treatment is associated with lower risks of long-term morbidity and mortality. Numerous surgical and transcatheter treatment strategies have been reported for CoA. Surgical resection is the treatment of choice in neonates, infants and young children. In older children (> 25 kg) and adults, transcatheter treatment is the treatment of choice. In the current era, patients with CoA continue to have a reduced life expectancy and an increased risk of cardiovascular sequelae later in life, despite adequate relief of the aortic stenosis. Intensive and adequate follow-up of the left ventricular function, valvular function, blood pressure and the anatomy of the heart and the aorta are , therefore, critical in the management of CoA. This review provides an overview of the current state-of-the-art clinical diagnosis, diagnostic imaging algori thms, treatment and follow-up of patients with CoA.
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              Congenital heart disease in the older adult: a scientific statement from the American Heart Association.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                ramb
                Revista da Associação Médica Brasileira
                Rev. Assoc. Med. Bras.
                Associação Médica Brasileira (São Paulo, SP, Brazil )
                0104-4230
                1806-9282
                February 2019
                : 65
                : 2
                : 240-245
                Affiliations
                [1] Paulo Afonso orgnameUniversidade Federal do Vale do São Francisco Brazil
                [2] Paulo Afonso orgnameUniversidade Federal do Vale do São Francisco Brazil
                Article
                S0104-42302019000200240
                10.1590/1806-9282.65.2.240
                30892450
                1f6da289-ea71-4723-87a9-f777f4b9ba47

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 20 June 2018
                : 13 June 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 6
                Product

                SciELO Brazil

                Categories
                Review Article

                Heart defects, congenital,Diagnosis,Coartação aórtica,Cardiopatias congênitas,Diagnóstico,Aortic coarctation

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