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  • Title: Transvenous and subcutaneous implantable cardioverter defibrillators: radiographic assessment.
    Author: Daly BD, Cascade PN, Hummel JD, Kalbfleisch S, Strickberger SA, Langberg J, Morady F.
    Journal: Radiology; 1994 Apr; 191(1):273-8. PubMed ID: 8134587.
    Abstract:
    PURPOSE: To assess chest radiograph configurations in 102 patients following total or partial transvenous and subcutaneous insertion of a non-thoracotomy lead implantable cardioverter defibrillator (NTL-ICD) device. MATERIALS AND METHODS: The four overlapping system types reviewed were the Endotak (49 patients), PCD (32 patients), Res-Q (10 patients), and hybrid combinations of NTL-ICD and surgically inserted pericardial and epicardial automatic implantable cardioverter defibrillator (AICD) devices (15 patients). RESULTS: Abnormalities were detected on radiographs both at the time of implantation and at early follow-up. NTL-ICD electrodes partially replaced or augmented AICD systems in 11 patients (10.7%) because of sensing lead or defibrillation failure or infection. Defibrillation failure necessitated augmentation of NTL-ICD systems with AICD pericardial patches in four patients (3.9%). Catheter displacement, lead fracture, or pneumothorax was detected in eight patients (7.8%). CONCLUSION: Complex radiographic appearances may be seen and important abnormalities may be detected after insertion of these devices.
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