Alteraciones electrocardiográficas: ritmo auricular bajo / Electrocardiographic abnormalities: low atrial rhythm

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[Incidence and clinical characteristics of congenital heart disease in Badajoz Province, Spain]. / Incidencia de las cardiopatías congénitas en la provincia de Badajoz.

INTRODUCTION: There is no clear consensus as regards the exact incidence of congenital heart disease. The objective of this study was to determine the incidence of congenital heart defects in Badajoz province (Spain). MATERIAL AND METHODS: This is a retrospective study based on the clinical histories of 742 patients who were seen for the first time during 1997 in the paediatric cardiology unit of Badajoz Women and Children's Hospital. The incidence of congenital Heart defects is calculated by adding the number of patients assessed in 1997 and those who will be assessed in the future, considering the population born in 1997. The last figure is inferred from the number of patients who were born before 1997 and were assessed in that year, comparing the number of newborns between 1997 and previous years. The number of patients is divided by the total newborns in 1997 and multiplied by 1,000. RESULTS: Congenital heart defects were found in 15.6 % of the patients seen during 1997. The incidence ranges from 16.1 to 5.4 new cardiac diseases per 1,000 newborn babies per year if some minor congenital heart defects that are not considered in other publications are excluded, such as interatrial communication of the ostium secundum type, interventricular communication of the small muscle, mild prolapsed mitral valve, bicuspid aortic valve, patent ductus arteriosus in prematures infants, silent ductus arteriosus and congenital arrhythmias. CONCLUSIONS: The incidence of congenital heart defects in Badajoz province range from 16.1 to 5.5 new cardiac diseases per 1,000 newborn babies per year. We consider that the incidence in the Badajoz province is reliable and similar to other recent publications.

Incidencia de las cardiopatías congénitas en la provincia de Badajoz / Incidence and clinical characteristics of congenital heart disease in Badajoz province, Spain

Introducción: Las cardiopatías congénitas son una patología sobre las que aún no hay un consenso claro respecto a su incidencia. El objetivo de este trabajo ha sido determinar su incidencia en la provincia de Badajoz. Material y métodos: Se ha realizado un estudio retrospectivo sobre las historias clínicas de los 742 pacientes vistos por primera vez en la Unidad de Cardiología Pediátrica del Hospital Materno-Infantil de Badajoz durante 1997. La incidencia de las cardiopatías congénitas se calcula sumando a los cardiópatas nacidos en 1997 y que manifestaron la patología ese mismo año, los que la presentaron en los años sucesivos respecto del total de recién nacidos en 1997. Esta última cifra se estima a partir del número de cardiópatas que nacieron antes de 1997 y que debutaron en 1997, comparando el número de recién nacidos de cada uno de esos años anteriores respecto al número de recién nacidos de 1997. Este total de cardiópatas se divide entre los recién nacidos en 1997 y se multiplica por 1.000. Resultados: El 15,6 % de los pacientes visitados en 1997 tenía patología cardíaca congénita. La incidencia sin considerar algunas cardiopatías leves (que tampoco suelen ser consideradas en otras publicaciones, como comunicación interauricular tipo ostium secundum pequeña, comunicación interventricular muscular pequeña, prolapso de la válvula mitral leve, válvula aórtica bicúspide, conducto arterial del prematuro, conducto arterial silente o arritmias congénitas) osciló entre 16,1 y 5,4 cardiópatas por 1.000 recién nacidos vivos y año. Conclusiones: La incidencia de las cardiopatías congénitas en la provincia de Badajoz oscila entre 16,1 y 5,4 por 1.000 recién nacidos vivos. Esta cifra se considera fiable y semejante a otras publicaciones recientes (AU)

Introduction: There is no clear consensus as regards the exact incidence of congenital heart disease. The objective of this study was to determine the incidence of congenital heart defects in Badajoz province (Spain). Material and methods: This is a retrospective study based on the clinical histories of 742 patients who were seen for the first time during 1997 in the paediatric cardiology unit of Badajoz Women and Children's Hospital. The incidence of congenital Heart defects is calculated by adding the number of patients assessed in 1997 and those who will be assessed in the future, considering the population born in 1997. The last figure is inferred from the number of patients who were born before 1997 and were assessed in that year, comparing the number of newborns between 1997 and previous years. The number of patients is divided by the total newborns in 1997 and multiplied by 1,000. Results: Congenital heart defects were found in 15.6 % of the patients seen during 1997. The incidence ranges from 16.1 to 5.4 new cardiac diseases per 1,000 newborn babies per year if some minor congenital heart defects that are not considered in other publications are excluded, such as interatrial communication of the ostium secundum type, interventricular communication of the small muscle, mild prolapsed mitral valve, bicuspid aortic valve, patent ductus arteriosus in prematures infants, silent ductus arteriosus and congenital arrhythmias. Conclusions: The incidence of congenital heart defects in Badajoz province range from 16.1 to 5.5 new cardiac diseases per 1,000 newborn babies per year. We consider that the incidence in the Badajoz province is reliable and similar to other recent publications (AU)