1. Characteristics and long-term outcome of non-immune isolated atrioventricular block diagnosed in utero or early childhood: a multicentre study
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François Marçon, Caroline Bonnet, Sophie Guillaumont, Elisabeth Villain, Véronique Gournay, François Godart, Albin Behaghel, Yves Dulac, Jean-Benoit Thambo, Swanny Fouchard, Vincent Probst, Jean-Jacques Schott, Jean-Marc Schleich, Alain Chantepie, Francis Rouault, Christophe Leclercq, Alban-Elouen Baruteau, Alain Fraisse, Hervé Le Marec, Jean-Claude Daubert, Jean-René Lusson, Philippe Mabo, Service de cardiologie et maladies vasculaires, Université de Rennes 1 ( UR1 ), Université de Rennes ( UNIV-RENNES ) -Université de Rennes ( UNIV-RENNES ) -Hôpital Pontchaillou-CHU Pontchaillou [Rennes], CIC-IT Rennes, Hôpital Pontchaillou-Institut National de la Santé et de la Recherche Médicale ( INSERM ), Institut du thorax, Université de Nantes ( UN ) -IFR26-Institut National de la Santé et de la Recherche Médicale ( INSERM ), Laboratoire Traitement du Signal et de l'Image ( LTSI ), Université de Rennes ( UNIV-RENNES ) -Université de Rennes ( UNIV-RENNES ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), unité de recherche de l'institut du thorax UMR1087 UMR6291 ( ITX ), Université de Nantes ( UN ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ), Service de cardiologie pédiatrique [CHU Necker], Assistance publique - Hôpitaux de Paris (AP-HP)-CHU Necker - Enfants Malades [AP-HP], Service cardiologie pédiatrique [Bordeaux], CHU Bordeaux [Bordeaux], Service de Cardiologie Infantile [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy ( CHRU Nancy ), Service de cardiologie pédiatrique [Nantes], Centre hospitalier universitaire de Nantes ( CHU Nantes ), Cabinet de Cardiologie pédiatrique, Service de cardiologie pédiatrique [Tours], CHU Tours, Service de cardiologie Pédiatrique [Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] ( CHRU Montpellier ), Service de cardiologie Pédiatrique [Lille], Centre Hospitalier Régional Universitaire [Lille] ( CHRU Lille ), Service de cardiologie pédiatrique et congénitale adulte [CHU de Dijon], Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand ( CHU Dijon ), Service de cardiologie Pédiatrique [Marseille], Hôpital de la Timone [CHU - APHM] ( TIMONE ), Service de cardiologie [Clermont-Ferrand], CHU Clermont-Ferrand, Service pédiatrie-cardiologie, CHU Toulouse [Toulouse]-Hôpital des Enfants, 'Protocole Hospitalier de Recherche Clinique' 2001 R20/03 and 2004 R20/07 from the University Medical Center of Nantes, France, the 2009 Philippe Coumel Research Grant from the French Society of Cardiology, grant no 05 CVD 01 (Preventing Sudden Death) from the Foundation Leducq Trans-Atlantic Network of Excellence, 'Agence Nationale de la Recherche' grant 05-MRAR-028., Service de cardiologie et maladies vasculaires [Rennes] = Cardiac, Thoracic, and Vascular Surgery [Rennes], CHU Pontchaillou [Rennes], Hôpital Pontchaillou-Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Nantes (UN)-IFR26-Institut National de la Santé et de la Recherche Médicale (INSERM), Laboratoire Traitement du Signal et de l'Image (LTSI), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut National de la Santé et de la Recherche Médicale (INSERM), unité de recherche de l'institut du thorax UMR1087 UMR6291 (ITX), Université de Nantes - UFR de Médecine et des Techniques Médicales (UFR MEDECINE), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Centre hospitalier universitaire de Nantes (CHU Nantes), Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Hôpital de la Timone [CHU - APHM] (TIMONE), Service de Cardiologie Maladies Vasculaires [CHU Clermont-Ferrand], CHU Gabriel Montpied [Clermont-Ferrand], CHU Clermont-Ferrand-CHU Clermont-Ferrand, CHU Toulouse [Toulouse], Université de Rennes (UR)-Institut National de la Santé et de la Recherche Médicale (INSERM), Unité de recherche de l'institut du thorax (ITX-lab), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Nantes - UFR de Médecine et des Techniques Médicales (UFR MEDECINE), Université de Nantes (UN)-Université de Nantes (UN), Service Cardiologie pédiatrique [CHU Toulouse], Pôle Enfants [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), and Centre Hospitalier Régional Universitaire de Tours (CHRU TOURS)
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Male ,Pacemaker, Artificial ,Heart disease ,MESH : Retrospective Studies ,law.invention ,Electrocardiography ,0302 clinical medicine ,MESH: Pregnancy ,MESH : Child ,Pregnancy ,Prenatal Diagnosis ,MESH: Child ,Age of Onset ,Child ,MESH: Treatment Outcome ,MESH: Bundle-Branch Block ,Clinical outcome ,Cardiac Pacing, Artificial ,MESH : Infant ,MESH: Infant ,3. Good health ,MESH : Age of Onset ,Pacemaker ,MESH: Young Adult ,MESH : Electrocardiography ,Child, Preschool ,Disease Progression ,MESH: Pacemaker, Artificial ,MESH: Disease Progression ,Cardiology and Cardiovascular Medicine ,medicine.medical_specialty ,MESH : Bundle-Branch Block ,MESH: Age of Onset ,MESH : Young Adult ,MESH: Cardiac Pacing, Artificial ,Disease-Free Survival ,03 medical and health sciences ,[SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system ,MESH : Adolescent ,Humans ,MESH: Prenatal Diagnosis ,MESH : Prenatal Diagnosis ,Retrospective Studies ,MESH: Adolescent ,MESH: Humans ,MESH: Child, Preschool ,MESH : Humans ,Infant ,MESH: Adult ,MESH: Retrospective Studies ,MESH : Disease Progression ,medicine.disease ,MESH : Pregnancy ,MESH: Disease-Free Survival ,Atrioventricular block ,MESH: Female ,Pediatrics ,Paediatric electrocardiology ,030204 cardiovascular system & hematology ,MESH : Child, Preschool ,Risk Factors ,law ,MESH: Risk Factors ,MESH : Female ,[ SDV.IB ] Life Sciences [q-bio]/Bioengineering ,medicine.diagnostic_test ,Dilated cardiomyopathy ,MESH : Adult ,[ SDV.MHEP.CSC ] Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system ,MESH : Risk Factors ,MESH : Atrioventricular Block ,Treatment Outcome ,MESH : Disease-Free Survival ,Female ,[SDV.IB]Life Sciences [q-bio]/Bioengineering ,medicine.symptom ,Adult ,Adolescent ,MESH : Male ,Bundle-Branch Block ,MESH : Treatment Outcome ,Asymptomatic ,Young Adult ,MESH: Atrioventricular Block ,030225 pediatrics ,medicine ,business.industry ,MESH : Pacemaker, Artificial ,Retrospective cohort study ,MESH: Male ,Surgery ,MESH: Electrocardiography ,MESH : Cardiac Pacing, Artificial ,Artificial cardiac pacemaker ,Age of onset ,business - Abstract
International audience; AIMS: The natural history of congenital or childhood non-immune, isolated atrioventricular (AV) block is poorly defined. METHODS AND RESULTS: We retrospectively studied 141 children with isolated, non-immune AV block diagnosed in utero, or up to 15 years of age, at 13 French medical centres, between 1980 and 2009. Patients with structural heart disease or maternal antibodies were excluded. Atrioventricular block was asymptomatic in 119 (84.4%) and complete in 100 (70.9%) patients. There was progression to complete AV block in 29/41 (70.7%) patients with incomplete AV block over 2.8 ± 3.4 years (1-155 months), but all patients with incomplete AV block may not have been included in the study. Narrow QRS complex was present in 18 of 26 patients (69.2%) with congenital, and 106 of 115 (92.2%) with childhood AV block. Pacemakers were implanted in 112 children (79.4%), during the first year of life in 18 (16.1%) and before 10 years of age in 90 (80.4%). The mean interval between diagnosis of AV block and pacemaker implants was 2.6 ± 3.9 years (0-300 months). The pacing indication was prophylactic in 70 children (62.5%). During a mean follow-up of 11.6 ± 6.7 years (1-32 years), no patient died or developed dilated cardiomyopathy (DCM). The long-term follow-up was uncomplicated in 127 children (90.1%). CONCLUSION: In this large multicentre study, the long-term outcome of congenital or childhood non-immune, isolated AV block was favourable, regardless of the patient's age at the time of diagnosis. No patient died or developed DCM, and pacemaker-related complications were few.
- Published
- 2012
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