{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T16:51:45Z","timestamp":1789663905372,"version":"4.0.1"},"reference-count":47,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2023,5,12]],"date-time":"2023-05-12T00:00:00Z","timestamp":1683849600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Pacemaker implantation in infants and small children is limited to epicardial lead placement via open chest surgery. We propose a minimally invasive solution using a novel percutaneous access kit.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the acute safety and feasibility of a novel percutaneous pericardial access tool kit to implant pacemaker leads on the epicardium under direct visualization.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A custom sheath with optical fiber lining the inside wall was built to provide intrathoracic illumination. A Veress needle inside the illumination sheath was inserted through a skin nick just to the left of the xiphoid process and angled toward the thorax. A needle containing a fiberscope within the lumen was inserted through the sheath and used to access the pericardium under direct visualization. A custom dilator and peel\u2010away sheath with pre\u2010tunneled fiberscope was passed over a guidewire into the pericardial space via modified Seldinger technique. A side\u2010biting multipolar pacemaker lead was inserted through the sheath and affixed against the epicardium.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Six piglets (weight 3.7\u20134.0\u2009kg) had successful lead implantation. The pericardial space could be visualized and entered in all animals. Median time from skin nick to sheath access of the pericardium was 9.5 (interquartile range [IQR] 8\u201311)\u2009min. Median total procedure time was 16 (IQR 14\u201319)\u2009min. Median R wave sensing was 5.4 (IQR 4.0\u20137.3)\u2009mV. Median capture threshold was 2.1 (IQR 1.7\u20132.4) V at 0.4\u2009ms and 1.3 (IQR 1.2\u20132.0) V at 1.0\u2009ms. There were no complications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Percutaneous epicardial lead implantation under direct visualization was successful in six piglets of neonatal size and weight with clinically acceptable acute pacing parameters.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jce.15926","type":"journal-article","created":{"date-parts":[[2023,5,12]],"date-time":"2023-05-12T20:34:47Z","timestamp":1683923687000},"page":"1452-1458","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Percutaneous epicardial pacing in infants using direct visualization: A feasibility animal study"],"prefix":"10.1111","volume":"34","author":[{"given":"Rohan N.","family":"Kumthekar","sequence":"first","affiliation":[{"name":"Division of Cardiology Nationwide Children's Hospital Columbus Ohio USA"},{"name":"Department of Pediatrics The Ohio State University College of Medicine Columbus Ohio 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