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  • Title: [Patients with a wearable cardioverter-defibrillator (WCD) : Prescription, function and rehabilitation support].
    Author: Schlitt A, Guha M, Noutsias M, Klein HH, Klein HU.
    Journal: Herz; 2019 Aug; 44(5):379-389. PubMed ID: 29234842.
    Abstract:
    Assessment of a permanent risk of life-threatening ventricular arrhythmia in patients with severely reduced left ventricular ejection fraction (LVEF <35%), e. g. after myocarditis, dilated cardiomyopathy, acute myocardial infarction, in patients with postpartum cardiomyopathy or implantable cardioverter-defibrillator (ICD) and cardiac resynchronization treatment plus defibrillator (CRT-D) infection with temporary explantation of the system is a medical challenge. This is time-consuming and unsafe because life-threatening ventricular arrhythmias may occur during the time of risk assessment. During this phase of risk stratification, a wearable cardioverter-defibrillator (WCD) is indicated. The WCD, which is usually worn by the patient for several months, combines continuous retrievable electrocardiogram (ECG) recordings with a reliable defibrillation capability. The prescription of a WCD guarantees safe rehabilitation procedures for patients following acute inpatient treatment. Rehabilitation measures in patients with a WCD are indicated because of the underlying systolic cardiac insufficiency due to severe myocardial disease. In almost half of the patients, who are potentially threatened by ventricular tachyarrhythmias or sudden cardiac death (SCD), the LVEF and heart failure symptoms improve under controlled medication within a few months. Thus, the risk of SCD is lowered so that in many cases a first line ICD implantation is no longer necessary. The purpose of this article is to provide recommendations for rehabilitation procedures of patients with a WCD. A review of the currently available data on WCD publications was carried out with special emphasis on the current national and international guidelines.
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