Consenso de expertos sobre el diagnóstico y el tratamiento de la miocarditis asociada con infección o vacunación contra el SARS-CoV-2 / Myocarditis related SARS-CoV-2 infection or vaccination: an expert consensus statement on its diagnosis and management

La pandemia causada por el coronavirus del síndrome respiratorio agudo grave de tipo 2 (SARS-CoV-2) ha puesto de manifiesto una serie de complicaciones cardiovasculares, entre las que destaca la miocarditis ocasionada tanto por la propia infección por SARS-CoV-2 (COVID-19) como por la administración de vacunas de ARN mensajero. La elevada prevalencia de primoinfección, la difusión universal de los programas de vacunación y la constante aparición de nueva información sobre la miocarditis en estos contextos, hace necesario condensar el conocimiento adquirido desde el inicio de la pandemia. Con este objetivo, el Grupo de Trabajo Miocarditis de la Asociación de Insuficiencia Cardiaca de la Sociedad Española de Cardiología, con la colaboración de la Agencia Española de Medicamentos y Productos Sanitarios (AEMPS), ha elaborado el presente documento que pretende abordar el diagnóstico y el tratamiento de los casos de miocarditis asociados con la infección por SARS-CoV-2 o la vacuna de ARN mensajero. (AU)

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has revealed several cardiovascular complications, including myocarditis caused by SARS-CoV-2 infection (COVID-19) or after messenger RNA vaccine administration. Because of the high prevalence of COVID-19, the expansion of vaccination programs, and the appearance of new information on myocarditis in these contexts, there is a need to condense the knowledge acquired since the start of the pandemic. To meet this need, this document was drafted by the Myocarditis Working Group of the Heart Failure Association of the Spanish Society of Cardiology, with the collaboration of the Spanish Agency for Medicines and Health Products (AEMPS). The document aims to address the diagnosis and treatment of cases of myocarditis associated with SARS-CoV-2 infection or messenger RNA vaccine administration. (AU)

Myocarditis related SARS-CoV-2 infection or vaccination: an expert consensus statement on its diagnosis and management.

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has revealed several cardiovascular complications, including myocarditis caused by SARS-CoV-2 infection (COVID-19) or after messenger RNA vaccine administration. Because of the high prevalence of COVID-19, the expansion of vaccination programs, and the appearance of new information on myocarditis in these contexts, there is a need to condense the knowledge acquired since the start of the pandemic. To meet this need, this document was drafted by the Myocarditis Working Group of the Heart Failure Association of the Spanish Society of Cardiology, with the collaboration of the Spanish Agency for Medicines and Health Products (AEMPS). The document aims to address the diagnosis and treatment of cases of myocarditis associated with SARS-CoV-2 infection or messenger RNA vaccine administration.

[Myocarditis related SARS-CoV-2 infection or vaccination: an expert consensus statement on its diagnosis and management]. / Consenso de expertos sobre el diagnóstico y el tratamiento de la miocarditis asociada con infección o vacunación contra el SARS-CoV-2.

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has revealed several cardiovascular complications, including myocarditis caused by SARS-CoV-2 infection (COVID-19) or after messenger RNA vaccine administration. Because of the high prevalence of COVID-19, the expansion of vaccination programs, and the appearance of new information on myocarditis in these contexts, there is a need to condense the knowledge acquired since the start of the pandemic. To meet this need, this document was drafted by the Myocarditis Working Group of the Heart Failure Association of the Spanish Society of Cardiology, with the collaboration of the Spanish Agency for Medicines and Health Products (AEMPS). The document aims to address the diagnosis and treatment of cases of myocarditis associated with SARS-CoV-2 infection or messenger RNA vaccine administration.

Seguridad y beneficio de la rehabilitación cardiopulmonar en cardiopatías congénitas complejas / Safety and clinical benefit of cardiopulmonary rehabilitation in complex congenital heart disease

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Valores de referencia (Z-score) de diámetros de porción de entrada y trabecular del ventrículo derecho: primera descripción en población pediátrica española sana / Reference values (Z-score) of inlet and trabecular portion diameters of the right ventricle: First description in Spanish healthy children

INTRODUCCIÓN Y OBJETIVOS: La cuantificación del tamaño del ventrículo derecho (VD) es crucial en determinadas cardiopatías congénitas. Para su evaluación se recomiendan distintas técnicas de imagen, siendo más accesible la medición de diámetros ventriculares mediante ecocardiografía. En pediatría la normalización de parámetros ecocardiográficos es compleja, escasa y heterogénea. El objetivo de este estudio consistió en establecer Z-score de diámetros de VD fiables y reproducibles capaces de predecir valores de referencia en población pediátrica sana española. MÉTODOS: Estudio multicéntrico prospectivo de 661 pacientes sanos (edades 0-18 años, 43,5% mujeres). Los diámetros ecocardiográficos del VD se relacionaron con variables biométricas mediante distintas ecuaciones de regresión. Para su estandarización se analizaron factores de confusión (sexo, edad y variabilidad inter/intraobservador), heterocedasticidad y residuos (test Saphiro-Wilk y Breusch-Pagan). RESULTADOS: Se obtuvieron curvas de normalidad (Z-score) para cada diámetro del VD que permitieron predecir el valor medio de cada diámetro en función de la edad, peso, talla y distintas superficies corporales. La superficie corporal según fórmula de Haycock ofreció un excelente ajuste para los distintos diámetros basal, medial y longitudinal (R2 0,81; 0,82; 0,9). Los factores de confusión no aportaron cambios significativos, por lo que no fueron incluidos en los modelos finales (variabilidad inter- e intraobservador, CCI > 0,9). CONCLUSIONES: Se brindan valores de referencia de diámetros VD de población pediátrica sana. Las curvas de Z-score ofrecidas cubren una importante carencia en cardiología pediátrica y son aplicables a todos los grupos de edad para evaluar el tamaño del VD, de gran interés clínico en la práctica diaria

INTRODUCTION AND OBJECTIVES: Right ventricle (RV) measurements are crucial for certain congenital heart diseases and various cardiovascular conditions. Echocardiographic RV diameters are especially useful for its assessment. Paediatric echocardiographic data standardisation in normal subjects is complex, scarce, and heterogeneous. The aim of this study was to establish reliable and reproducible echocardiographic reference values (Z-score) of RV diameters in a healthy Spanish paediatric cohort. METHODS: A multicentre study was conducted on 661 healthy subjects (age range 0-18 years, 43.5% female). Several regression models were tested to examine the relationship between RV diameters and biometric variables. Heteroscedasticity and residual associations (Shapiro-Wilk and Breusch-Pagan tests) and confounding factors (gender, age, inter/intraobserver agreement) were considered for an unbiased standardisation. RESULTS: Structured Z-scores were computed for each RV diameter. Predicted mean value for each diameter was determined according to age, weight, height, and different body surface area. The Haycock formula provided the best fit for basal, midcavity, and longitudinal diameters (R2 0.81; 0.82; 0.9). Confounders were not significant, and therefore not included in final models (inter/intraobserver agreement > 0.9). CONCLUSIONS: This study reports reference values for echocardiographic RV diameters from a Spanish healthy paediatric cohort using a rigorous statistical design. These Z-scores partly cover a gap in current paediatric cardiology and represent a relevant diagnostic tool for clinical practice, as well as a useful guide to decision making at any paediatric stage

[Reference values (Z-score) of inlet and trabecular portion diameters of the right ventricle: First description in Spanish healthy children]. / Valores de referencia (Z-score) de diámetros de porción de entrada y trabecular del ventrículo derecho: primera descripción en población pediátrica española sana.

INTRODUCTION AND OBJECTIVES: Right ventricle (RV) measurements are crucial for certain congenital heart diseases and various cardiovascular conditions. Echocardiographic RV diameters are especially useful for its assessment. Paediatric echocardiographic data standardisation in normal subjects is complex, scarce, and heterogeneous. The aim of this study was to establish reliable and reproducible echocardiographic reference values (Z-score) of RV diameters in a healthy Spanish paediatric cohort. METHODS: A multicentre study was conducted on 661 healthy subjects (age range 0-18 years, 43.5% female). Several regression models were tested to examine the relationship between RV diameters and biometric variables. Heteroscedasticity and residual associations (Shapiro-Wilk and Breusch-Pagan tests) and confounding factors (gender, age, inter/intraobserver agreement) were considered for an unbiased standardisation. RESULTS: Structured Z-scores were computed for each RV diameter. Predicted mean value for each diameter was determined according to age, weight, height, and different body surface area. The Haycock formula provided the best fit for basal, midcavity, and longitudinal diameters (R2 0.81; 0.82; 0.9). Confounders were not significant, and therefore not included in final models (inter/intraobserver agreement > 0.9). CONCLUSIONS: This study reports reference values for echocardiographic RV diameters from a Spanish healthy paediatric cohort using a rigorous statistical design. These Z-scores partly cover a gap in current paediatric cardiology and represent a relevant diagnostic tool for clinical practice, as well as a useful guide to decision making at any paediatric stage.

Pharmacokinetics and dosing requirements of digoxin in pregnant women treated for fetal supraventricular tachycardia.

BACKGROUND: The objective of this study was to characterize the pharmacokinetics (PK) of digoxin in pregnant women and its potential implications for drug dosing. METHODS: Serum digoxin concentrations (SDCs) obtained in pregnant women treated for fetal supraventricular tachycardia (SVT) was retrospectively collected. PK analysis was comparatively performed using a two-stage approach (PKS™) and a Population PK approach (NONMEM™). As clinical outcome the fetal heart rate was recorded. RESULTS: A total of 42 SDCs were obtained from 8 women in the 3rd trimester of pregnancy (mean age 33.0 years). The PK parameters estimated by both two-stage (volume of distribution (Vd) = 682.0 L, CV = 47.5%; serum clearance (CL) = 16.1 L/h, CV = 19%) and population approaches (Vd = 731.3 L, CV = 30.5%; CL = 18.7 L/h, CV = 17.8%) are very similar and show a clear trend of increasing drug disposition in the third trimester of pregnancy. An oral loading dose of 0.5 mg/8 h during 24 h followed by a maintenance regimen of 0.5 mg/12 h been recommended to start treatment. CONCLUSIONS: Despite the small population, these parameters could be used as a guide to calculate the initial dosage requirements in the third trimester of pregnancy for treating fetal SVT. In addition, maternal SDCs should be routinely monitored for dosage adjustment purposes.