دورية أكاديمية
Detection of high incidence of Riata lead breaches by systematic postero-anterior and lateral chest X-ray in a large cohort
| العنوان: | Detection of high incidence of Riata lead breaches by systematic postero-anterior and lateral chest X-ray in a large cohort |
|---|---|
| المؤلفون: | Steinberg, Christian, Sarrazin, Jean-François, Philippon, François, Bouchard, Marc-André, O'Hara, Gilles, Molin, Franck, Nault, Isabelle, Blier, Louis, Champagne, Jean |
| بيانات النشر: | Oxford University Press |
| سنة النشر: | 2013 |
| المجموعة: | HighWire Press (Stanford University) |
| مصطلحات موضوعية: | Leads and lead extraction |
| الوصف: | Aims Insulation breaches with externalization of conductor cables have been described for St-Jude Medical Riata™ defibrillation leads. Published data on the incidence of Riata lead abnormalities are quite heterogeneous. The objective of this study was to estimate systematically the prevalence of lead abnormalities using a postero-anterior (PA) and lateral chest X-ray (CXR). Methods and results From 2002 to 2008, 552 Riata defibrillation leads were implanted at our centre. We evaluated patients for potential insulation breaches. A PA and lateral CXR was obtained. Chest X-rays were reviewed by two electrophysiologists using a zooming function with magnification up to factor 7.5 and were classified as normal or abnormal for the presence of conductor externalization. A total of 284 patients were included. Riata lead models were 1570, 1580, 1582, 1590, 1592, 7000, 7002, and 7022. The total frequency of radiological lead defects was 24.3%. Insulation breaches occurred at zones of major lead curvature. Mean maximal spacing between extruding lead components was 3.6 ± 1.9 mm (range 2.0–12.4). Abnormal CXRs were more frequent in 8F leads (31.4% vs. 6.3%; P < 0.001). Most defects occurred with lead models 1582 (41.2%) and 1580 (31.4%). Mean time since implantation was longer in abnormal leads (6.7 vs. 5.9 years; P < 0.001). Abnormal leads had higher pacing thresholds (1.1 ± 0.8 V vs. 0.9 ± 0.4 V; P = 0.02). Conclusion The incidence of insulation breach in Riata leads is much higher than quoted by the manufacturer or reported by most of the literature. A PA and lateral CXR with zooming appears adequate to identify lead breaches when reviewed by an electrophysiologist. Riata lead breaches without electrical abnormalities present a management dilemma and will require further studies. |
| نوع الوثيقة: | text |
| وصف الملف: | text/html |
| اللغة: | English |
| العلاقة: | http://europace.oxfordjournals.org/cgi/content/short/15/3/402Test; http://dx.doi.org/10.1093/europace/eus339Test |
| DOI: | 10.1093/europace/eus339 |
| الإتاحة: | https://doi.org/10.1093/europace/eus339Test http://europace.oxfordjournals.org/cgi/content/short/15/3/402Test |
| حقوق: | Copyright (C) 2013, European Heart Rhythm Association of the European Society of Cardiology (ESC) |
| رقم الانضمام: | edsbas.2E234CCB |
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