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1.
ABC., imagem cardiovasc ; 36(1): e282, abr. 2023. ilus
Article in Portuguese | LILACS | ID: biblio-1509332

ABSTRACT

Coração em criss-cross (ou coração entrecruzado) foi descrito pela primeira vez em 1974. Trata-se de uma malformação cardíaca congênita, rara, ocorrendo 8 casos a cada 1.000.000 de crianças, e representando somente 0,1% das malformações congênitas. Os métodos diagnósticos de escolha são o ecocardiograma transtorácico, a ressonância magnética cardíaca (RMC), a angiotomografia (TC) e, eventualmente, o cateterismo cardíaco. Neste relato, descreve-se o caso de um recém-nascido com coração em criss-cross somado à dupla via de saída do ventrículo direito (VD), com vasos mal posicionados, além de comunicação interatrial (CIA), comunicação interventricular (CIV), displasia de valva tricúspide e veia cava superior esquerda persistente. Não se sabe a etiologia exata dessa malformação, mas parece ocorrer pela rotação dos ventrículos em seu eixo longitudinal, não acompanhada das rotações atrial e das valvas atrioventriculares (AV). Esse movimento produz uma alteração das vias de entrada dos ventrículos, determinando que o VD se posicione em plano superior e o esquerdo em plano inferior. Apesar de ainda não se saber a exata causa dessa anomalia, acredita-se que uma alteração genética possa estar levando a esses casos: a mutação do gene Cx43. O diagnóstico do caso em questão foi dado pela ecocardiografia transtorácica e da TC de aorta e artérias pulmonares, que mostraram, além do criss-cross, outras alterações, como dupla via de saída do VD, CIA e CIV amplas.(AU)


Criss-cross heart was first described in 1974. It is a rare congenital heart malformation that occurs in 8 cases per 1,000,000 children, and represents only 0.1% of congenital malformations. The diagnostic methods of choice are transthoracic echocardiography, cardiac magnetic resonance (CMR), computed tomography angiography (CT) and, sometimes, cardiac catheterization. This report describes the case of a newborn with a criss-cross heart in addition to double-outlet right ventricle (RV), with poorly positioned vessels, in addition to atrial septal defect (ASD), interventricular septal defect, tricuspid valve dysplasia and persistent left superior vena cava. The exact etiology of this malformation is not known, but it seems to occur due to rotation of the ventricles in their longitudinal axis, not accompanied by rotation of the atrial and atrioventricular (AV) valves. This movement produces abnormal ventricular inlets, determining that the RV be positioned on a superior plane and the left ventricle on an inferior plane. Although the exact cause of this anomaly is still unknown, it is believed that a genetic abnormality may be leading to these cases: mutation of the Cx43 gene. Diagnosis of the case concerned was given by transthoracic echocardiography and computed CT of the aorta and pulmonary arteries, which showed, in addition to the criss-cross heart, other abnormalities, such as double-outlet RV, large ASD and ventricular septal defect (VSD).(AU)


Subject(s)
Humans , Male , Infant, Newborn , Crisscross Heart/etiology , Crisscross Heart/diagnostic imaging , Heart Defects, Congenital/diagnosis , Heart Ventricles/abnormalities , Double Outlet Right Ventricle/diagnosis , Echocardiography/methods , Cardiac Catheterization/methods , Magnetic Resonance Spectroscopy/methods , Tomography, X-Ray Computed/methods , Persistent Left Superior Vena Cava/diagnosis , Heart Septal Defects, Atrial/diagnosis
2.
Braz. J. Pharm. Sci. (Online) ; 58: e20218, 2022. graf
Article in English | LILACS | ID: biblio-1403693

ABSTRACT

Abstract Salidroside (SAL) has been confirmed to have some protective effects against inflammatory injury. However, little information was established as to the mechanism of these protective effects. To this effect, we designed this study to explore the protective effects and mechanisms of SAL against myocardial infarction (MI). A rat MI model was established and divided into five groups (n = 6): sham, MI, MI+SAL, MI+ LY294002 (PI3K inhibitor), and MI+SAL+ LY294002. The cardiac function and histological pathology were analyzed with a color Doppler ultrasonic diagnostic instrument. Anti-oxidative enzyme activities and the production of inflammatory media were assayed by biochemical kits and ELISA. MI size and fibrosis were assayed by Masson's trichrome staining while Bax/Bcl-2 and PI3K/Akt/Nrf2/HO-1 were assayed by Western blotting and immunofluorescence. The results showed that SAL significantly improved the left ventricle ejection fraction and fractional shortening, decreased the MI size and fibrosis, inhibited apoptosis and promoted blood vessel formation. SAL promoted anti-oxidative and anti-inflammatory abilities. Moreover, SAL enhanced PI3K/ Akt/Nrf2/HO-1 expression. To this effect, we designed this study suggested that SAL induced repair of MI via PI3K/A kt/ Nrf2/HO-1.


Subject(s)
Animals , Male , Rats , Heart Ventricles/abnormalities , Myocardial Infarction/drug therapy , Fibrosis/classification , Enzyme-Linked Immunosorbent Assay/methods , Apoptosis
3.
ABC., imagem cardiovasc ; 35(4): erer_15, 2022. ilus, tab
Article in Portuguese | LILACS | ID: biblio-1426045

ABSTRACT

A cardiomiopatia hipertrófica é a cardiopatia genética mais frequente na população geral e é caracterizada por uma hipertrofia ventricular esquerda assimétrica. Entretanto, as alterações fenotípicas desta cardiomiopatia vão muito além da hipertrofia ventricular, e incluem alterações do aparato valvar mitral, dos músculos papilares e do ventrículo direito. Devido à dificuldade no diagnóstico diferencial entre as múltiplas causas de hipertrofia, a ressonância magnética cardíaca vem cumprindo um papel fundamental na avaliação diagnóstica e prognóstica desta cardiomiopatia. A cineressonância magnética na definição da localização e extensão da hipertrofia, o realce tardio, na detecção das áreas de fibrose miocárdica e técnicas mais recentes como o Mapa de T1 que avalia a fibrose intersticial e o volume extracelular; e finalmente o Tissue Tracking na análise da deformação miocárdica.(AU)


Hypertrophic cardiomyopathy, the most common genetic cardiopathy in the general population, is characterized by asymmetric left ventricular hypertrophy. However, the phenotypic changes in this cardiomyopathy extend beyond ventricular hypertrophy and include changes in the mitral valve apparatus, papillary muscles, and right ventricle. Due to the difficult differential diagnosis among multiple causes of hypertrophy, cardiac magnetic resonance has played a fundamental role in its diagnostic and prognostic evaluation; magnetic cine-resonance in defining the location and extent of hypertrophy; late enhancement, in the detection of areas of myocardial fibrosis; more recent techniques such as T1 mapping that assesses interstitial fibrosis and extracellular volume; and finally tissue tracking in the analysis of myocardial deformation. (AU)


Subject(s)
Humans , Male , Female , Cardiomyopathy, Hypertrophic/congenital , Hypertrophy, Left Ventricular/diagnosis , Heart Ventricles/abnormalities , Cardiomyopathy, Hypertrophic/pathology , Magnetic Resonance Spectroscopy/methods , Cardiac Imaging Techniques/methods , Biological Variation, Population/genetics , Mitral Valve/abnormalities
4.
ABC., imagem cardiovasc ; 35(1): eabc242, 2022. ilus, tab
Article in Portuguese | LILACS | ID: biblio-1371030

ABSTRACT

Fundamento: O tempo de aceleração na artéria pulmonar (TAP) pode ser utilizado para avaliação da hipertensão pulmonar na análise da função diastólica do ventrículo esquerdo. Objetivo: Avaliar se existe correlação entre o valor do tempo de aceleração na artéria pulmonar e parâmetros da função diastólica do ventrículo esquerdo em indivíduos com função sistólica do ventrículo esquerdo preservada e de acordo com sexo, idade e fatores de risco cardiovasculares. Métodos: Estudo observacional, transversal. Foram selecionados 119 pacientes (59 mulheres; 49,6%). Os indivíduos foram submetidos ao ecocardiograma transtorácico incluindo os valores de tempo de aceleração na artéria pulmonar; ondas E e A e relação E/A ao Doppler espectral do influxo mitral; ondas e' septal, e' lateral e relação E/e' ao Doppler tecidual do anel mitral; pressão sistólica na artéria pulmonar e volume atrial esquerdo. Resultados: No sexo feminino, foi encontrada correlação positiva (coeficiente de correlação de Spearman) entre o valor do tempo de aceleração na artéria pulmonar e e' lateral (coeficiente de correlação de Spearman de 0,47; p=0,002), relação E/A (coeficiente de correlação de Spearman de 0,32; p=0,04) e e' septal (coeficiente de correlação de Spearman de 0,36; p=0,023) e uma correlação negativa entre o valor do tempo de aceleração na artéria pulmonar e pressão sistólica na artéria pulmonar (coeficiente de correlação de Spearman de -0,43; p=0,034). No sexo masculino, não foi encontrada correlação significativa. Foram encontrados menores valores de tempo de aceleração na artéria pulmonar em mulheres com hipertensão arterial sistêmica quando comparadas a mulheres sem hipertensão arterial sistêmica (0,13±0,03 segundos versus 0,16±0,03 segundos; p = 0,015). Conclusão: O presente estudo mostrou correlação significativa dos valores do TAP com alguns parâmetros da função diastólica do ventrículo esquerdo apenas no sexo feminino, sendo que mulheres hipertensas apresentaram menores valores de TAP. (AU)


Background: Pulmonary artery acceleration time (PAAT) can be used as a parameter in the evaluation of pulmonary hypertension and aids left ventricular diastolic function (LVDF) analyses. Objective: To assess whether there is a correlation between PAAT and LVDF parameters in individuals with a preserved left ventricular systolic function and by sex, age, and cardiovascular risk factors. Method: Observational cross-sectional study. One hundred nineteen patients were selected (59 women [49.6%]). The subjects underwent transthoracic echocardiography including measurements of PAAT, E and A waves and E/A ratio, e' septal and e' lateral waves and E/e' ratio, pulmonary artery systolic pressure (PASP), and left atrial volume. Results: In female patients, a positive correlation (Spearman's correlation coefficient ­ Spearman correlation coefficient [SCC]) was found between the PAAT value and the lateral e' (SCC, 0.47; p = 0.002), with the E/A ratio (SCC, 0.32; p = 0.04), and with septal e' (SCC, 0.36; p = 0.023), and a negative correlation between PAAT and PASP (SCC, -0.43; p = 0.034). In men, no correlation was found between PAAT. and any parameters. Lower PAAT values were found in women with systemic arterial hypertension (hypertension) than in women without hypertension (0.13 ± 0.03 s versus 0.16 ± 0.03 s; p = 0.015). Conclusion: The present study showed a significant correlation between PAAT and some LVDF parameters in female patients only. Hypertension was correlated with lower PAAT values in women. (AU)


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Pulmonary Artery/physiology , Heart Ventricles/abnormalities , Hypertension, Pulmonary/diagnosis , Tobacco Use Disorder/complications , Coronary Artery Disease/complications , Echocardiography/methods , Statistics, Nonparametric , Echocardiography, Doppler, Pulsed/methods , Dyslipidemias/complications , Heart Disease Risk Factors
5.
ABC., imagem cardiovasc ; 35(1): eabc285, 2022. ilus, tab
Article in Portuguese | LILACS | ID: biblio-1372177

ABSTRACT

A doença de Chagas representa um importante problema de saúde pública, sobretudo nos países endêmicos da América Latina. Dentre suas apresentações clínicas, a cardiomiopatia crônica é a mais frequente. De patogênese multifatorial, o acometimento miocárdico pode levar à insuficiência cardíaca, a eventos tromboembólicos, a arritmias e à morte súbita. Nesse contexto, a ressonância magnética cardiovascular é um excelente método não invasivo para a investigação do dano miocárdico e a compreensão dos mecanismos e consequências relacionados às essas lesões. Com elevada resolução espacial e capacidade de caracterização tecidual, a ressonância magnética cardiovascular proporciona análise morfofuncional altamente confiável e possibilita a identificação de marcadores de risco de eventos adversos em pacientes com doença de Chagas, sendo de grande utilidade para o diagnóstico e o acompanhamento desses indivíduos na rotina clínica. (AU)


Chagas disease represents an important public health problem, especially in endemic countries in Latin America. Chronic cardiomyopathy is its most frequent clinical presentation. Myocardial involvement has a multifactorial pathogenesis and can lead to heart failure, thromboembolic events, arrhythmias, and sudden death. In this context, cardiovascular magnetic resonance imaging (CMR) is an excellent noninvasive method for investigating myocardial damage and understanding the mechanisms and consequences of these injuries. CMR has high spatial resolution and tissue characterization capacity, enabling a highly reliable morphofunctional analysis and the identification of risk markers for adverse events in patients with Chagas disease. This exam is very useful for the diagnosis and follow-up of these patients in the routine clinical setting. (AU)


Subject(s)
Humans , Male , Female , Diagnostic Imaging/methods , Chagas Cardiomyopathy/diagnosis , Chagas Disease/etiology , Ventricular Dysfunction/pathology , Heart Ventricles/abnormalities , Arrhythmias, Cardiac/complications , Thromboembolism/complications , Magnetic Resonance Imaging/methods , Death, Sudden , Heart Failure/complications , Latin America/epidemiology
6.
ABC., imagem cardiovasc ; 35(3): eabc300, 2022. ilus
Article in Portuguese | LILACS | ID: biblio-1411512

ABSTRACT

A disjunção do anel mitral (DAM) é uma inserção anormal da linha de flexão do anel mitral na parede atrial. O anel mostra uma separação (disjunção) entre a junção folheto posterior-parede atrial e a crista miocárdica ventricular esquerda.1 A DAM foi descrita pela primeira vez há mais de 30 anos em estudo de autópsia, estando relacionada com prolapso da valva mitral (PVM) em 92% dos casos.2 Desde então, foram realizados diversos estudos, sendo a prevalência de DAM em pacientes com PVM reportada de forma variável, podendo ou não estar associada à insuficiência mitral. O ecocardiograma transtorácico (ETT) faz parte da avaliação inicial do prolapso valvar mitral, permitindo o diagnóstico e a avaliação de complicações relacionadas. Com a evolução de novos métodos diagnósticos, a ressonância magnética cardíaca (RMC) e o ecocardiograma transesofágico (ETE) passaram a aprimorar a avaliação dessa patologia, bem como de sua extensão e localização. Contudo, as características fenotípicas do PVM que estão mais associadas a DAM permanecem incertas, sobretudo devido ao número limitado de pacientes, nos estudos clássicos sobre o tema. Portadores de DAM podem desenvolver sintomas relacionados a arritmias ventriculares, configurando a síndrome arrítmica da DAM (SDAM), podendo evoluir para morte súbita. Na literatura, os dados prognósticos ainda são conflitantes entre os diversos estudos acerca do tema, indo desde critérios claros de diagnóstico, o melhor método de imagem a ser aplicado, o tratamento e o prognóstico. Esta revisão descreve as características da DAM associada ou não ao prolapso valvar, auxiliando no diagnóstico e na conduta dessa importante patologia. (AU)


Mitral annulus disjunction (MAD) is an abnormal insertion of the flexion line of the mitral annulus into the atrial wall. The annulus presents a separation (disjunction) between the posterior leaflet­atrial wall junction and the left ventricular myocardial crest.1 MAD was first described more than 30 years ago in an autopsy study and is reportedly related to mitral valve prolapse (MVP) in 92% of cases.2 Since then, several studies have been conducted, and reports on the prevalence of MAD in patients with MVP have varied. Ultimately, it may or may not be associated with mitral regurgitation. Transthoracic echocardiography is part of initial MVP assessment, allowing its diagnosis and the assessment of related complications. As new diagnostic methods emerged, cardiac magnetic resonance imaging and transesophageal echocardiography improved the assessment of this pathology in terms of its diagnosis, extension, and location. However, the phenotypic characteristics of MVP that are more closely associated with MAD remain uncertain mainly due to the limited number of patients in classic studies on the subject. Patients with MAD may develop symptoms related to ventricular arrhythmias, configuring the MAD arrhythmic syndrome, which may progress to sudden death. The literature presents conflicting prognostic data among several studies on the subject from clear diagnostic criteria and best imaging method to be used to treatment and prognosis. This review describes MAD characteristics associated (or not) with valve prolapse to improve the diagnosis and management of this important pathology. (AU)


Subject(s)
Humans , Male , Female , Mitral Valve Prolapse/complications , Mitral Valve Prolapse/diagnostic imaging , Mitral Valve Insufficiency/diagnosis , Arrhythmias, Cardiac/complications , Prognosis , Echocardiography/methods , Magnetic Resonance Spectroscopy/methods , Death, Sudden, Cardiac , Echocardiography, Transesophageal/methods , Heart Atria/pathology , Heart Ventricles/abnormalities
7.
ABC., imagem cardiovasc ; 35(3): eabc287, 2022. ilus
Article in Portuguese | LILACS | ID: biblio-1411754

ABSTRACT

Descreve-se o caso de um homem de 19 anos assintomático com fibroma de ventrículo esquerdo em acompanhamento por 15 anos, sem tratamento.(AU)


Here we describe a case of a 19-year-old asymptomatic man with a left ventricular fibroma on follow-up for 15 years with no treatment required.(AU)


Subject(s)
Humans , Male , Adult , Fibroma/diagnostic imaging , Heart Neoplasms/complications , Heart Ventricles/abnormalities , Myocardium/pathology , Echocardiography/methods , Magnetic Resonance Spectroscopy/methods , Radiography, Thoracic/methods , Tomography, X-Ray Computed/methods , Electrocardiography, Ambulatory/methods , Death, Sudden, Cardiac
9.
ABC., imagem cardiovasc ; 35(1): eabc263, 2022. ilus
Article in Portuguese | LILACS | ID: biblio-1378702

ABSTRACT

As neoplasias cardíacas primárias são raras, e o diagnóstico correto é essencial para planejar o tratamento mais adequado. O objetivo deste estudo foi demonstrar o papel da ressonância magnética cardíaca na avaliação, no diagnóstico e no acompanhamento de fibroma cardíaco. Paciente do sexo feminino, 21 anos, com massa miocárdica ao ecocardiograma. Realizou ressonância magnética com diagnóstico de fibroma cardíaco. Foi acompanhada durante 6 anos com estabilidade do quadro. Fibromas cardíacos correspondem à segunda neoplasia mais comum em crianças e jovens. À ressonância magnética, caracterizam-se por realce tardio intenso e homogêneo.(AU)


Subject(s)
Humans , Female , Adult , Young Adult , Fibroma/ultrastructure , Fibroma/diagnostic imaging , Heart Ventricles/abnormalities , Neoplasms/diagnosis , Time Factors , Magnetic Resonance Imaging , Echocardiography/methods , Magnetic Resonance Spectroscopy/methods , Tomography/methods , Follow-Up Studies
11.
Braz. J. Pharm. Sci. (Online) ; 58: e19652, 2022. tab, graf
Article in English | LILACS | ID: biblio-1384005

ABSTRACT

Abstract Background and aim: Stingless bee propolis, a resinous compound processed by mandibular secretion of stingless bees, is used for maintenance of hygiene and stability of beehives. Research on stingless bee propolis shows therapeutic properties attributed to polyphenols exhibiting antioxidative, antihyperglycemic and antiischemic effect. However, the cardioprotective effect of stingless bee propolis on diabetic cardiomyopathy is unknown. Methods: Adult male Sprague Dawley rats were randomised to five groups: normal group, diabetic group, diabetic given metformin (DM+M), diabetic given propolis (DM+P) and diabetic given combination therapy (DM+M+P) and treated for four weeks. Body weight, fasting blood glucose, food and water intake were taken weekly. At the end of experiment, biomarkers of oxidative damage were measured in serum and heart tissue. Antioxidants in heart tissue were quantified. Part of left ventricle of heart was processed for histological staining including Haematoxylin and Eosin (H&E) stain for myocyte size and Masson's Trichrome (MT) stain for heart fibrosis and perivascular fibrosis. Results: Propolis alleviated features of diabetic cardiomyopathy such as myocyte hypertrophy, heart fibrosis and perivascular fibrosis associated with improvement in antioxidative status. Conclusion: This study reports beneficial effect of propolis and combination with metformin in alleviating histopathological feature of diabetic cardiomyopathy by modulating antioxidants, making propolis an emerging complementary therapy.


Subject(s)
Animals , Male , Rats , Propolis/adverse effects , Bees/classification , Diabetic Cardiomyopathies/pathology , Staining and Labeling/instrumentation , Blood Glucose/metabolism , Rats, Sprague-Dawley/classification , Cardiomegaly/pathology , Eosine Yellowish-(YS) , Drinking , Heart Ventricles/abnormalities , Hypoglycemic Agents , Metformin/agonists , Antioxidants/adverse effects
13.
Arch. cardiol. Méx ; 87(4): 302-306, oct.-dic. 2017. tab
Article in Spanish | LILACS | ID: biblio-887540

ABSTRACT

Resumen: Objetivo: Describir la morbimortalidad operatoria relacionada a re-esternotomía media en pacientes con corazón univentricular en el Instituto Nacional de Pediatría. Método: Estudio de serie de casos retrospectiva, descriptiva y analítica del año 2001 al 2016. Resultados: Se encontraron 65 pacientes que requirieron 76 procedimientos. Hubo 59 primeras re-esternotomías, con promedio de edad de 36 meses (4-176 meses) y peso 12.2 kg (3.2-21.5 kg); se realizaron 40 procedimientos de Glenn y 19 procedimientos de Fontan. Se practicaron 17 segundas re-esternotomías, con promedio de edad de 89 meses (48-156 meses) y 22.7 kg de peso (14.4-41 kg), en quienes se realizaron 17 procedimientos de Fontan. Hubo dos lesiones en primeras re-esternotomías, una lesión a la coronaria derecha con cambios electrocardiográficos, y una apertura incidental de la aurícula derecha que causó hipotensión. Reportamos una muerte secundaria a lesión de la aorta con sangrado masivo durante una segunda re-esternotomía, lo que representa una morbimortalidad del 3.9%. Conclusiones: Concluimos que la re-esternotomía es un procedimiento seguro en nuestro centro.


Abstract: Objective: To establish the morbidity and mortality of patients with univentricular hearts who underwent a repeat median sternotomy at the Instituto Nacional de Pediatría. Method: A retrospective review was performed on the clinical charts of all patients who under-went a repeat median sternotomy from 2001 to 2016. Results: Sixty-five patients underwent 76 surgeries by repeat median sternotomy. Fifty-nine patients had a first repeat median sternotomy, with a mean age of 36 months (range: 4-176 months) and a mean weight of 12.2 kg (range: 3.2-21.5 kg). Forty patients had a Glenn procedure, and 19 patients had a Fontan procedure. There were 17 patients with a second repeat median sternotomy, with a mean age of 89 months (range 48-156 months), and a mean weight of 22.7 kg (14.4-41 kg). A Fontan procedure was performed on all these 17 patients. A section of the right coronary artery with electrocardiographic changes and a right atrium tear that caused hypotension occurred during first repeat sternotomy. An aortic tear occurred during a second repeat sternotomy with massive bleeding and subsequent death. This represents 3.9% of re-entry injuries. Conclusion: It is concluded that repeat median sternotomy is a safe procedure.


Subject(s)
Humans , Male , Female , Child, Preschool , Child , Palliative Care/methods , Sternotomy/methods , Heart Defects, Congenital/surgery , Heart Ventricles/abnormalities , Reoperation , Retrospective Studies , Sternotomy/adverse effects
14.
Arch. cardiol. Méx ; 87(1): 72-78, ene.-mar. 2017. tab, graf
Article in Spanish | LILACS | ID: biblio-887495

ABSTRACT

Resumen: Introducción y objetivos: La asociación de corazones univentriculares con doble entrada y anomalía de Ebstein «like¼ de la válvula auriculoventricular común es extremadamente rara. Se describen 2 corazones con esta asociación. Métodos: Se utilizó el sistema secuencial segmentario que determina el situs auricular, los tipos y modos de conexión auriculoventricular y ventriculoarterial y las anomalías agregadas. Resultados: Ambos corazones presentaron situs solitus auricular, defecto septal auriculoventricular con foramen primum y doble entrada y doble salida con grandes arterias normalmente relacionadas en un ventrículo único. En el primero las 4 valvas auriculoventriculares estuvieron adosadas a la pared ventricular desde la unión auriculoventricular hasta el ápex con auricularización de la entrada y de la porción trabecular y presentó estenosis infundibular y valvular. En el segundo la porción proximal de la válvula auriculoventricular estuvo adosada a la pared ventricular con auricularización pequeña; en su porción distal mostró displasia con nodulaciones fibromixoides y cuerdas tendinosas pequeñas y gruesas y la arteria pulmonar estuvo dilatada. Conclusiones: Ambos corazones forman parte de la conexión auriculoventricular univentricular del sistema secuencial segmentario, cuya precisión diagnóstica muestra su eficacia. Las asociaciones de defectos congénitos en un solo corazón muestran el infinito espectro de las mismas, lo que expande nuestro conocimiento de la cardiología pediátrica.


Abstract: Introduction and objectives: The association of univentricular heart with double inlet and Ebstein's "like" anomaly of the common atrioventricular valve is extremely rare. Methods: Two hearts with this association are described with the segmental sequential system which determine the atrial situs, the types of atrioventricular and ventriculoarterial connections and associated anomalies. Results: Both hearts had atrial situs solitus, and a univentricular heart with common atrioventricular valve, a foramen primum and double outlet ventricle with normal crossed great arteries. In the fiefirst heart the four leaflets of the atrioventricular valve were displaced and fused to the ventricular walls, from the atrioventricular union roward the apex with atrialization of the inlet and trabecular zones and there was stenosis in the infundibulum and in the pulmonary valve. In the second heart the proximal segment of the atrioventricular valve was displaced and fused to the ventricular whith shot atrialization and the distal segment was dysplastic with fibromixoid nodules and tendinous cords short and thick; the pulmonary artery was dilate. Conclusions: Both hearts are grouped in the atrioventricular univentricular connection in the segmental sequential system. The application of this method in the diagnosis of congenital heart disease demonstrates its usefulness. The associations of complex anomalies in these hearts show us the infinite spectrum of presentation of congenital heart disease which expands our knowledge of pediatric cardiology.


Subject(s)
Humans , Ebstein Anomaly/pathology , Heart Ventricles/abnormalities , Heart Ventricles/pathology , Cadaver
16.
RELAMPA, Rev. Lat.-Am. Marcapasso Arritm ; 28(3): 123-125, jul.-set.2015. ilus
Article in Portuguese | LILACS | ID: lil-777956

ABSTRACT

A policondrite recidivante é uma doença rara, multissistêmica, de etiologia desconhecida, provavelmenteautoimune, que acomete estruturas cartilaginosas e tecidos ricos em proteoglicanos. Orelha, nariz, articulações e árvore traqueobrônquica são os locais mais afetados durante os surtos inflamatórios, ocasionando destruição tecidual, deformidades permanentes e complicações respiratórias. Menos comumente, afeta olhos, coração e vasos sanguíneos.O diagnóstico é essencialmente clínico e o tratamento envolve o uso de corticoides e imunossupressores. Relatamos um caso de policondrite recidivante, em que a manifestação do segundo surto da doença ocorreu por meio de bloqueio atrioventricular com recuperação da condução cardíaca após tratamento com corticoide...


The relapsing polychondritis is a rare, multisystem disease, whose etiology is unknown. It is probably autoimmune and affects cartilaginous structures and proteoglycan-rich tissues. The ear, nose, joints and tracheobronchial tree are the most affected sites during inflammatory outbreaks causing tissue destruction,permanent deformities and respiratory complications. Less commonly, it affects the eyes, heart and blood vessels. The diagnosis is essentially clinical and treatment involves the use of steroids and immunosuppressive agents.We report a case of relapsing polychondritis where the second outbreak of the disease was manifested by na atrioventricular block with recovery of cardiac conduction after treatment with steroids...


Subject(s)
Humans , Female , Adult , Atrioventricular Block/complications , Autoimmune Diseases/diagnosis , Autoimmune Diseases/therapy , Polychondritis, Relapsing/complications , Polychondritis, Relapsing/etiology , Heart Atria/abnormalities , Adrenal Cortex Hormones/therapeutic use , Prednisone/administration & dosage , Heart Ventricles/abnormalities
18.
Buenos Aires; Fundación Garrahan; 2015. 189 p. ilus.
Monography in Spanish | LILACS | ID: biblio-882674

ABSTRACT

A 27 años del nacimiento del Hospital Garrahan, hemos sentido la necesidad de compartir con el equipo de salud las estrategias de atención del niño y su familia utilizadas en nuestro Hospital, colaborar con su actualización permanente y poner énfasis en el trabajo interdisciplinario. En este tomo desarrollamos el tema del niño con cardiopatía congénita. Se trata de la malformación congénita grave más frecuente, que se presenta en aproximadamente 5 a 8 cada mil nacidos vivos. En Argentina, nacen alrededor de 700.000 niños cada año, es decir alrededor de 4.500 con esta patología. La supervivencia actual con calidad de vida futura normal es alta para la mayoría de estos niños. A esto contribuyen las mejoras en el diagnóstico prenatal y neonatal temprano, el traslado seguro, la estabilización preoperatoria y el tratamiento por equipos cardiovasculares interdisciplinarios. El rol del pediatra es fundamental en el diagnóstico y seguimiento de estos pacientes. En este volumen, el pediatra encontrará aspectos epidemiológicos y patogénicos de algunas de las enfermedades más prevalentes, así como claves para el diagnóstico oportuno, con énfasis en la semiología y los estudios complementarios accesibles, indicaciones de derivación, prevención de riesgos y asesoramiento general para pacientes y padres.


Subject(s)
Humans , Infant, Newborn , Infant , Child, Preschool , Child , Adolescent , Adult , Aortic Coarctation , Aortic Valve Stenosis/congenital , Argentina , Diagnosis, Differential , Follow-Up Studies , Heart Defects, Congenital , Heart Septal Defects, Ventricular , Heart Ventricles/abnormalities , Neurodevelopmental Disorders , Postoperative Complications , Prenatal Diagnosis , Tetralogy of Fallot , Thoracic Surgery , Transition to Adult Care , Transposition of Great Vessels
19.
Rev. bras. cardiol. (Impr.) ; 27(6): 454-456, nov.-dez. 2014. ilus
Article in Portuguese | LILACS | ID: lil-752237

ABSTRACT

Octogenária em investigação de dor torácica atípica, após ecocardiograma transtorácico normal, foi submetida à angiotomografia do coração. O exame demonstrou ausência de lesões coronarianas obstrutivas, entretanto, foi diagnosticado múltiplas criptas profundas na parte muscular do septo interventricular, algumas das quais comunicavam os dois ventrículos. Realizada ressonância cardíaca que identificou algumas criptas, mas não foi capaz de identificar comunicação interventricular. O Qp/Qs foi 0,98, indicando ausência de shunt detectável. Este caso demonstra que a alta resolução espacial da angiotomografia cardíaca aliada à aquisição volumétrica tridimensional permite identificar pequenas alterações anatômicas do coração.


A female patient (80 years old) with atypical chest pain and a normal echocardiogram underwent cardiac computed tomography angiography. No obstructive coronary arterial disease was found. However, multiple deep crypts were detected on the muscular portion of the ventricular septum, some running between the ventricles. Cardiac Magnetic Resonance was then performed and, despite detecting some of the crypts, it was unable do identify any interventricular connection. The Qp/Qs was 0.98, indicating the absence of detectable shunts. This case report shows that the high spatial resolution of the cardiac computed tomography angiography, together with volumetric tridimensional acquisition can detect minor anatomical alterations to the heart.


Subject(s)
Humans , Female , Aged, 80 and over , Heart Septal Defects, Ventricular/diagnosis , Heart , Multidetector Computed Tomography/methods , Heart Septal Defects/diagnosis , Heart Ventricles/abnormalities
20.
Article in English | IMSEAR | ID: sea-162163

ABSTRACT

In Fontan patients, reduced exercise capacity due to diminished cardiac output is a common finding with important prognostic implications. Beneficial effects have been shown for sildenafil treatment and regular exercise, but data comparing both strategies is scarce. We report on a female patient with Fontan circulation who underwent repeated cardiopulmonary exercise tests with either placebo or a single dose of 50mg sildenafil before and after 6months of supervised aerobic and resistance exercise. At baseline, V O2peak was 29.1ml/min/kg, and a marked increase to 32.8ml/min/kg was observed after administration of sildenafil. After the training period, V O2peak was 34.5ml/kg/min in the placebo test, and no further increase by sildenafil was possible (33.7ml/kg/min). Similar results were observed for exercise capacity at the ventilatory anaerobic threshold. In summary, this Fontan patient showed that regular exercise might use up and probably exceed the acute sildenafil effects on exercise capacity. Exercise should be considered as a primary treatment strategy within secondary prevention and rehabilitation after the Fontan procedure.


Subject(s)
Exercise Tolerance/drug effects , Female , Fontan Procedure/methods , Heart Defects, Congenital/drug therapy , Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/rehabilitation , Heart Defects, Congenital/surgery , Heart Ventricles/abnormalities , Heart Ventricles/surgery , Humans , Piperazines/administration & dosage , Purines/administration & dosage , Sulfonamides/administration & dosage , Young Adult
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