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Natural History and Risk Stratification in Andersen-Tawil Syndrome Type 1

A. Mazzanti, D. Guz, A. Trancuccio, E. Pagan, D. Kukavica, T. Chargeishvili, N. Olivetti, EK. Biernacka, L. Sacilotto, G. Sarquella-Brugada, O. Campuzano, E. Nof, A. Anastasakis, VA. Sansone, J. Jimenez-Jaimez, F. Cruz, J. Sánchez-Quiñones, J....

. 2020 ; 75 (15) : 1772-1784. [pub] 20200421

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc20028245

BACKGROUND: Andersen-Tawil Syndrome type 1 (ATS1) is a rare arrhythmogenic disorder, caused by loss-of-function mutations in the KCNJ2 gene. We present here the largest cohort of patients with ATS1 with outcome data reported. OBJECTIVES: This study sought to define the risk of life-threatening arrhythmic events (LAE), identify predictors of such events, and define the efficacy of antiarrhythmic therapy in patients with ATS1. METHODS: Clinical and genetic data from consecutive patients with ATS1 from 23 centers were entered in a database implemented at ICS Maugeri in Pavia, Italy, and pooled for analysis. RESULTS: We enrolled 118 patients with ATS1 from 57 families (age 23 ± 17 years at enrollment). Over a median follow-up of 6.2 years (interquartile range: 2.7 to 16.5 years), 17 patients experienced a first LAE, with a cumulative probability of 7.9% at 5 years. An increased risk of LAE was associated with a history of syncope (hazard ratio [HR]: 4.54; p = 0.02), with the documentation of sustained ventricular tachycardia (HR 9.34; p = 0.001) and with the administration of amiodarone (HR: 268; p < 0.001). The rate of LAE without therapy (1.24 per 100 person-years [py]) was not reduced by beta-blockers alone (1.37 per 100 py; p = 1.00), or in combination with Class Ic antiarrhythmic drugs (1.46 per 100 py, p = 1.00). CONCLUSIONS: Our data demonstrate that the clinical course of patients with ATS1 is characterized by a high rate of LAE. A history of unexplained syncope or of documented sustained ventricular tachycardia is associated with a higher risk of LAE. Amiodarone is proarrhythmic and should be avoided in patients with ATS1.

2nd Department of Pediatrics National and Kapodistrian University of Athens P and A Kyriakou Children's Hospital Athens Greece

Arrhythmia and Electrophysiology Unit Instituto Nacional de Cardiologia Rio de Janeiro Brazil

Arrhythmia Inherited Cardiac Diseases and Sudden Death Unit Hospital Sant Joan de Déu Barcelona Spain

Cardiovascular Genetics Center Gencardio IdIBGi Medical Sciences Department Medical School University of Girona Girona Spain

Department of Cardiology and Electrotherapy Medical University of Gdansk Gdansk Poland

Department of Cardiology Hillel Yaffe Medical Center Hadera Israel

Department of Cardiology Hospital Clinico Universitario Valencia Spain

Department of Cardiology Hospital Clinico Universitario Virgen de La Arrixaca Murcia Spain

Department of Cardiology Hospital das Clinicas Faculdade de Medicina Universidade de São Paulo São Paulo Brazil

Department of Cardiology Hospital de Vinalopó Elche Spain

Department of Cardiology Hospital General Universitario de Alicante Alicante Spain

Department of Cardiology Hospital Infanta Cristina Badajoz Spain

Department of Cardiology Hospital Universitario Nuestra Señora de Candelaria Santa Cruz de Tenerife Canary Islands Spain

Department of Cardiology Hospital Universitario y Politécnico La Fe Valencia Spain and Center for Biomedical Network Research on Cardiovascular Diseases Madrid Spain

Department of Cardiology Marqués de Valdecilla University Hospital Santander Spain

Department of Cardiology Medical University of Silesia Katowice Poland

Department of Cardiology Onassis Cardiac Surgery Center Athens Greece

Department of Cardiology Virgen de las Nieves University Hospital Granada Spain

Department of Congenital Heart Diseases National Institute of Cardiology Warsaw Poland

Department of Internal Medicine and Cardiology University Hospital Brno and Faculty of Medicine of Masaryk University Brno Czech Republic

Department of Molecular Medicine University of Pavia Pavia Italy

Department of Pediatrics University of Medicine Hospital Stara Zagora Bulgaria

Department of Statistics and Quantitative Methods University of Milan Bicocca Milan Italy

European Reference Network for Rare and Low Prevalence Complex Diseases of the Heart

Health in Code La Coruña Spain

Leviev Heart Center Chaim Sheba Medical Center Affiliated to Sackler Medical School Tel Aviv University Tel Hashomer Israel

Molecular Cardiology Fundación Centro Nacional de Investigaciones Cardiovasculares Madrid Spain

Molecular Cardiology IRCCS ICS Maugeri Pavia Italy

NEMO Center Neurorehabilitation Unit University of Milan ASST Niguarda Hospital Milan Italy

Citace poskytuje Crossref.org

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