{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T06:22:05Z","timestamp":1769149325174,"version":"3.49.0"},"reference-count":7,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2021,9,12]],"date-time":"2021-09-12T00:00:00Z","timestamp":1631404800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Leadless pacemakers have become a major breakthrough in the management of bradyarrhythmia as an attractive alternative to the standard transvenous pacemakers, but safety and long\u2010term outcomes of the new Micra\u2010AV, which is capable guarantee atrioventricular (AV) synchrony, have been poorly described. Hence, we describe how we managed a 57\u2010year\u2010old patient who developed pacemaker syndrome due to significant Micra\u2010AV dyssynchrony. This case emphasizes how leadless pacemaker AV synchrony could be overestimated, thereby requiring a stepwise process leading to adequate device reprogramming. Holter\u2010ECG monitoring and exercise test resulted to be valuable tools for an early detection of inadequate AV synchrony, integrating and completing device reports.<\/jats:p>","DOI":"10.1111\/pace.14352","type":"journal-article","created":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T08:32:00Z","timestamp":1630398720000},"page":"1738-1742","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Micra\u2010AV leadless pacemaker and atrioventricular (dys)synchrony: A stepwise process"],"prefix":"10.1111","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3774-0104","authenticated-orcid":false,"given":"Gianfranco","family":"Mitacchione","sequence":"first","affiliation":[{"name":"Cardiology Unit, ASST\u2010Fatebenefratelli Sacco Luigi Sacco University Hospital  Milan 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