学術雑誌論文 Cable externalization at the proximal portion of the superior vena cava coil in Riata implantable cardioverter defibrillator leads

Katsuki, Tomonori  ,  Furusho, Hiroshi  ,  Kusayama, Takashi  ,  Takashima, Shinichiro  ,  Kato, Takeshi  ,  Murai, Hisayoshi  ,  Usui, Soichiro  ,  Kaneko, Shuichi  ,  Takamura, Masayuki

15 ( 1 )  , pp.3 - 5 , 2017-01-01 , 日本心臓病学会 = Japanese College of Cardiology / Elsevier
ISSN:1878-5409
内容記述
Many Riata (St. Jude Medical, St. Paul, MN, USA) implantable cardioverter defibrillator (ICD) leads have reportedly developed cable externalization. The most likely cause of cable externalization is insulation abrasion, which often occurs at the can or between the right ventricular coil and superior vena cava (SVC) coil. We report a rare case of an adult male whose ICD lead cable was externalized at the proximal portion of the SVC coil. This lead became fixed to the wall at the subclavian vein and SVC and became bent between these adhesions. Furthermore, the motion of this lead was affected by pulsation of the aortic arch. The ICD lead might develop inside-out abrasion due to mechanical stress evoked by pulsation of the aortic arch at this site.<. Learning objective: Cable externalization of the implantable cardioverter defibrillator lead at the proximal portion of the superior vena cava (SVC) coil has rarely been reported. Externalization might be the result of deformation of the left brachiocephalic vein and the anatomical relationship with the aortic arch. The anatomical pathway of the lead should be carefully considered during the procedure, especially when a dual-coil lead is selected. Moreover, possible cable externalization at both the proximal and distal portions of the SVC coil should be kept in mind during follow-up>. © 2016 Japanese College of Cardiology.
Embargo Period 12 months
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