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1.
Europace ; 26(5)2024 May 02.
Artículo en Inglés | MEDLINE | ID: mdl-38650062

RESUMEN

AIMS: The extracardiac conduit-Fontan (ECC) has become the preferred technique for univentricular heart palliation, but there are currently no data on the incidence of long-term arrhythmias. This study investigated the incidence of arrhythmias and relation to single ventricle morphology in the long-term follow-up (FU) in ECC. METHODS AND RESULTS: All patients with ECC performed in our Centre between 1987 and 2017 were included (minimum FU 5 years). Of 353 consecutive patients, 303 [57.8% males, aging 8-50 (median 20) years at last FU] were considered and divided into two groups depending on left (194 in Group 1) or right (109 in Group 2) ventricular morphology. Eighty-five (28%) experienced ≥1 arrhythmic complications, with early and late arrhythmias in 17 (5.6%) and 73 (24.1%) patients, respectively. Notably, late bradyarrhythmias occurred after 6 years in 21 (11%) patients in Group 1, and in 15 (13.8%) in Group 2 [P = 0.48]. Late tachyarrhythmias occurred in 55 (18.2%) patients after 12 years: 33 (17%) in Group 1 and 22 (20.2%) patients in Group 2 [P  = 0.5]. Ventricular tachycardias (VT) were documented after 12.5 years in 14 (7.2%) patients of Group 1 and 15 (13.8%) of Group 2 [P = 0.06] with a higher incidence in Group 2 during the FU [P = 0.005]. CONCLUSION: Extracardiac conduit is related to a significant arrhythmic risk in the long-term FU, higher than previously reported. Bradyarrhythmias occur earlier but are less frequent than tachyarrhythmias. Interestingly, patients with systemic right ventricle have a significantly higher incidence of VT, especially in a very long FU.


Asunto(s)
Arritmias Cardíacas , Procedimiento de Fontan , Ventrículos Cardíacos , Humanos , Masculino , Femenino , Procedimiento de Fontan/efectos adversos , Incidencia , Niño , Adolescente , Adulto , Arritmias Cardíacas/epidemiología , Arritmias Cardíacas/fisiopatología , Arritmias Cardíacas/diagnóstico , Persona de Mediana Edad , Adulto Joven , Ventrículos Cardíacos/fisiopatología , Ventrículos Cardíacos/diagnóstico por imagen , Cardiopatías Congénitas/cirugía , Cardiopatías Congénitas/epidemiología , Estudios Retrospectivos , Factores de Tiempo , Corazón Univentricular/cirugía , Corazón Univentricular/epidemiología , Corazón Univentricular/fisiopatología , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Factores de Riesgo
2.
Genome Med ; 16(1): 100, 2024 Aug 13.
Artículo en Inglés | MEDLINE | ID: mdl-39138574

RESUMEN

To date, the role of NODAL in normal and abnormal L-R asymmetry has been well established. In a recent paper, mutations of this gene have been reported in heterotaxy but also in transposition with D- or L-ventricular loop. The effects of NODAL and other laterality genes can be recognized separately in all three cardiac segments: for topology and septation of the atria, for ventricular looping, and for spiralization and alignment of the great arteries.


Asunto(s)
Cardiopatías Congénitas , Síndrome de Heterotaxia , Humanos , Síndrome de Heterotaxia/genética , Cardiopatías Congénitas/genética , Proteína Nodal/genética , Proteína Nodal/metabolismo , Corazón , Mutación , Animales
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