title: [Worldwide experience with automated external defibrillators: What have we achieved? What else can we expect?].
abstract: BACKGROUND
  In Germany approximately 70,000-100,000 SCD patients die from sudden cardiac death (SCD). SCD is not caused by a single factor but is a multifactorial problem. In 50 % of SCD victims, sudden cardiac death is the first manifestation of heart disease. SCD is caused by ventricular tachyarrhythmias in approximately 90 % of patients, whereas SCD is caused by bradyarrhythmias in 5-10 % of the patients.
  
  
  METHODS
  Risk stratification is not possible in the majority of them prior to the fatal event. Early defibrillation is the method of choice to terminate ventricular fibrillation. Therefore, it is mandatory to install automatic external defibrillators (AED) in places with many people. There is general agreement that early defibrillation with automated external defibrillators (AED) is an effective tool to treat patients with ventricular fibrillation and will improve survival.
  
  
  CONCLUSIONS
  It seems necessary to teach cardiocompression and AED use, also to children and adolescents. AED therapy "at home" did not improve survival in patients with cardiac arrest and can not be recommended.
authors.affiliation: Medizinische Klinik II (Schwerpunkte Kardiologie und Angiologie), Marien Hospital Herne, Universitätsklinik der Ruhr-Universität Bochum, Hölkeskampring 40, 44625, Herne, Deutschland. Hans-Joachim.Trappe@ruhr-uni-bochum.de.
authors.forename: Hans-Joachim
authors.initials: HJ
authors.lastname: Trappe
mesh_terms: D016757:Death, Sudden, Cardiac / Q000453:epidemiology* / Q000517:prevention & control*; D047548:Defibrillators / Q000706:statistics & numerical data*; D004554:Electric Countershock / Q000401:mortality* / Q000706:statistics & numerical data; D019317:Evidence-Based Medicine; D005544:Forecasting; D005858:Germany / Q000453:epidemiology; D006333:Heart Failure / Q000401:mortality* / Q000517:prevention & control*; D006801:Humans; D038622:Internationality; D015995:Prevalence; D012307:Risk Factors; D015996:Survival Rate; D016896:Treatment Outcome
keywords: Automated external defibrillator (AED); Defibrillation; Herz-Kreislauf-Stillstand; Sudden death; Ventricular fibrillation
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