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- Title
Complications with the MICRA TPS Pacemaker System: Persistent Complete Heart Block and Late Capture Failure.
- Authors
HOLM, NIELS; MÜLLER, ANDREAS; ZBINDEN, RAINER
- Abstract
A Medtronic MICRA transcatheter pacing system (Medtronic, Minneapolis, MN, USA) was implanted in an 86-year-old patient with sick sinus syndrome and left bundle branch block after transfemoral aortic valve implantation. During implantation she developed a persistent complete heart block due to manipulation with the large-bore delivery catheter. Two weeks later, acute pacemaker dysfunction occurred due to massive increase of pacing threshold and impedance without obvious pacemaker dislocation or myocardial perforation. Recurrent capture failure was seen with pacing output set at 5 V/1.0 ms. Hence, microdislocation or fixation of the tines in the right ventricular trabeculae has to be assumed.
- Subjects
AORTIC valve surgery; SICK sinus syndrome treatment; BUNDLE-branch block; CARDIAC pacing; RIGHT heart ventricle; HEART block; IMPLANTABLE cardioverter-defibrillators; MEDICAL equipment reliability; DIAGNOSIS; THERAPEUTICS
- Publication
Pacing & Clinical Electrophysiology, 2017, Vol 40, Issue 4, p455
- ISSN
0147-8389
- Publication type
Article
- DOI
10.1111/pace.12998