Why the study?
Does extracorporeal shock wave lithotripsy affect the function and integrity of implantable cardioverter-defibrillators?
Does extracorporeal shock wave lithotripsy affect the function and integrity of implantable cardioverter-defibrillators?
ESWL can be performed in patients with ICDs, but necessitates rigorous post-procedure device interrogation due to risks of parameter resets and physical component damage.
The effects of extracorporeal shock wave lithotripsy (ESWL) were tested on four advanced generation implantable cardioverter-defibrillators (ICDs) in vitro and in vivo in two patients. During in vitro testing, advancement of nonsustained episode counters occurred in one device, and a set screw and power source cell loosened in another, which was connected to an external power source. No arrhythmias occurred during in vivo procedures, but programmed parameters were reset and elective replacement indicated after one procedure. ESWL can be performed safely in selected patients with ICDs, but testing should be performed afterwards to confirm satisfactory function and component continuity.
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Chung et al. (1999) studied this question.
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