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Background: Implantation of transvenous pacemaker systems is a standard method used to treat patients with bradycardia. There are some clinical settings in which that method cannot be used despite existing indications (such as developmental defects of the cardiovascular system and limited venous access or infections). In such cases, an epicardial pacing system may be implanted with cardiac surgery techniques, at a cost of certain surgical risks. The least invasive approach is subxyphoid, but it traditionally allows to place only a ventricular lead and achieve a single-chamber VVI pacing system.
Aim: The aim of our study was to determine the feasibility of subxyphoid implantation of dual-chamber pacing systems using thoracoscopic tools, as well as to and examine the short- and mid-term outcomes of such procedures.
Methods: Patients were qualified for an epicardial pacemaker system in case of absolute indications for permanent pacing therapy and coexisting contraindications for a transvenous system. DDD systems were implanted in 10 consecutive patients, in general anesthesia, in a cardiac surgery operating room, using subxyphoid access to pericardial space and a standard set of minimally invasive thoracoscopic tools.
Results: Implantation of a dual-chamber pacing system using the above approach was successful in all attempts. No serious complications were observed. Pacing and sensing parameters were appropriate at implantation and remained such during the follow-up of 2-27 months.
Conclusion: Implantation of a dual-chamber pacing system using a minimally invasive subxyphoid approach is feasible. Appropriate pacing and sensing values may be obtained and they remain stable during follow-up.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1111/pace.13651 | DOI Listing |
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