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1.
Echocardiography ; 40(8): 775-783, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37351556

RESUMO

AIM: we sought to test the inter-center reproducibility of 16 echo laboratories involved in the EACVI-Afib Echo Europe. METHODS: This was done on a dedicated setting of 10 patients with sinus rhythm (SR) and 10 with persistent atrial fibrillation (AF), collected by the Principal Investigator. Images and loops of echo-exams were stored and made available for labs. The tested measurements included main echo-Doppler parameters, global longitudinal strain (GLS) and peak atrial longitudinal strain (PALS). RESULTS: Single measures interclass correlation coefficients (ICCs) of left ventricular mass and ejection fraction were suboptimal in both patients with SR and AF. Among diastolic parameters, ICCs of deceleration time were poor, in particular in AF (=.50). ICCs of left atrial size and function, besides optimal in AF, showed an acceptable despite moderate concordance in SR. ICC of GLS was .81 and .78 in SR and AF respectively. ICCs of PALS were suitable but lower in 4-chamber than in 2-chamber view. By depicting the boxplot of the 16 laboratories, GLS distribution was completely homogeneous in SR, whereas GLS of AF and PALS of both SR and AF presented a limited number of outliers. GLS mean ± SE of the 16 labs was 19.7 ± .36 (95% CI: 18.8-20.4) in SR and 16.5 ± .29 (95% CI: 15.9-17.1) in AF, whereas PALS mean ± SE was 43.8 ± .70 (95% CI: 42.3-45.3) and 10.2 ± .32 (95% CI: 9.5-10.9) respectively. CONCLUSION: While the utilization of some standard-echo variables should be discouraged in registries, the application of GLS and PALS could be largely promoted because their superior reproducibility, even in AF.


Assuntos
Fibrilação Atrial , Humanos , Reprodutibilidade dos Testes , Ecocardiografia/métodos , Átrios do Coração/diagnóstico por imagem , Sistema de Registros
2.
J Cardiovasc Echogr ; 25(2): 57-59, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-28465933

RESUMO

Anomalous mitral arcade is a rare congenital anomaly affecting the mitral tensor apparatus. This condition causes a restrictive movement of the leaflets and interferes with the normal closure of the valve during ventricular systole. We report a case of a 15-year-old female with this condition and initial left ventricular dysfunction, who successfully underwent mitral valve repair. This reparative technique is more technically challenging then valve replacement and only few cases are described in literature.

3.
Rev. esp. cardiol. (Ed. impr.) ; 59(9): 905-910, sept. 2006. tab
Artigo em Es | IBECS | ID: ibc-049927

RESUMO

No disponibleIntroducción y objetivos. Se ha investigado extensamente el valor pronóstico de una determinación aislada de la fracción de eyección y del consumo máximo de oxígeno en la insuficiencia cardiaca crónica. El objetivo del presente estudio fue valorar el significado pronóstico de los cambios seriados en la fracción de eyección y en el rendimiento del ejercicio en la insuficiencia cardiaca crónica moderada o severa. Métodos. En la situación basal y después de 10 (8-12) meses, se realizaron una ecocardiografía y pruebas de esfuerzo cardiopulmonar a 182 pacientes (156 varones, 53 [47-58] años de edad). La mayor parte de los pacientes presentaba una miocardiopatía dilatada idiopática (69%), y todos tenían una fracción de eyección inferior al 45%. La mediana del seguimiento fue de 21 (14-34) meses; los criterios principales de valoración fueron la muerte cardiaca y la necesidad de trasplante cardiaco. Se presenta el cociente de riesgo (CR, por unidad) con sus intervalos de confianza (IC) del 95%. Resultados. Durante el seguimiento fallecieron 18 pacientes (9,9%) y 14 (7,7%) recibieron un trasplante cardiaco. En el análisis univariado las únicas variables significativamente asociadas con la evolución fueron la fracción de eyección basal (CR = 0,94; IC del 95%, 0,89-0,98; p = 0,006), la regurgitación mitral (CR = 4,22; IC del 95%, 1,63-10,92; p = 0,003), y el cambio de la fracción de eyección (segundo examen basal) (CR = 0,93; IC del 95%; 0,88-0,98; p = 0,01). En el análisis multivariado la fracción de eyección y el cambio de la fracción de eyección siguieron asociándose independientemente con los acontecimientos adversos en el seguimiento. La potencia pronóstica aumentó significativamente entre el modelo que sólo incluyó la fracción de eyección y otro modelo que incluyó la fracción de eyección más el cambio de la fracción de eyección. Conclusiones. En pacientes con insuficiencia cardiaca crónica estables desde un punto de vista clínico, la fracción de eyección y sus cambios se asociaron independientemente con el pronóstico. Por el contrario, las pruebas de esfuerzo cardiopulmonar seriadas no tuvieron un valor pronóstico significativo. La fracción de eyección aislada más sus cambios demostraron un mayor rendimiento pronóstico que la fracción de eyección aislada determinada en el período basal (AU)


Introduction and objectives. The prognostic value of a single measurement of ejection fraction and peak oxygen uptake in chronic heart failure has been extensively investigated. The aim of our study was to evaluate the prognostic significance of serial changes in ejection fraction and exercise performance in moderate to severe chronic heart failure. Methods. 182 patients (156 men, 53 [47-58] years) underwent echocardiography and cardiopulmonary exercise testing at baseline and after 10 [8-12] months. Most patients had idiopathic dilated cardiomyopathy (69%) and all patients presented left ventricular ejection fraction <45%. Median follow-up was 21 [14-34] months; cardiac death and heart transplantation were the end-points. Hazard ratio (HR, per unit) is presented with its 95% confidence interval (CI). Results. During follow-up 18 patients (9.9%) died and 14 (7.7%) underwent heart transplantation. Baseline ejection fraction (HR, 0.94, 95% CI, 0.89-0.98 P=.006) and mitral regurgitation (HR, 4.22, 95% CI, 1.63-10.92, P=.003), and delta (second examination-baseline) ejection fraction (HR, 0.93, 95% CI, 0.88-0.98, P=.01) were the only significant variables at univariate analysis. Both ejection fraction and delta ejection fraction remained independently associated with events at multivariate analysis. The prognostic power significantly increased between a model including ejection fraction alone and another one including ejection fraction plus delta ejection fraction. Conclusions. In clinically stable patients with chronic heart failure, ejection fraction and its changes were independently associated with outcome; on the contrary, serial cardiopulmonary exercise testing did not provide significant prognostic value. Baseline plus changes in ejection fraction showed better prognostic performance than baseline ejection fraction alone (AU)


Assuntos
Masculino , Feminino , Pessoa de Meia-Idade , Humanos , Disfunção Ventricular Esquerda/fisiopatologia , Insuficiência Cardíaca , Baixo Débito Cardíaco/fisiopatologia , Doença Crônica , Eletrocardiografia , Seguimentos , Análise Multivariada , Estudos Retrospectivos , Prognóstico , Índice de Gravidade de Doença , Teste de Esforço
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