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A worldwide experience of the management of battery failures and chronic device retrieval of the Nanostim leadless pacemaker

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023884%3A_____%2F12%3A00007404" target="_blank" >RIV/00023884:_____/12:00007404 - isvavai.cz</a>

  • Výsledek na webu

    <a href="http://dx.doi.org/10.1016/j.hrthm.2017.07.004" target="_blank" >http://dx.doi.org/10.1016/j.hrthm.2017.07.004</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.hrthm.2017.07.004" target="_blank" >10.1016/j.hrthm.2017.07.004</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    A worldwide experience of the management of battery failures and chronic device retrieval of the Nanostim leadless pacemaker

  • Popis výsledku v původním jazyce

    BACKGROUND The Nanostim leadless pacemaker (LP) met the primary endpoints in an investigational device exemption trial, and was shown to be fully retrievable percutaneously. In October 2016, St Jude Medical issued a worldwide alert of a battery malfunction that caused lost pacing output and LP communication. OBJECTIVE To report the battery failure mechanism and incidence and the worldwide patient management, including device retrieval experiences. METHODS The affected LP battery is a custom lithium-carbon monofluoride cell. These were returned after failure and underwent analysis assessing electronics and battery performance. Data were collected in ongoing clinical studies when LPs were abandoned or retrieved. RESULTS Of 1423 LPs implanted worldwide, there were 34 battery failures, occurring at 2.9 +/- 0.4 years with no instances of associated patient injury. Analysis of returned batteries revealed an increase in battery resistance caused by insufficient electrolyte availability at the cathode/anode interface. A total of 66 of 73 retrieval attempts were successful (90.4%; implant duration range: 0.2-4.0 years). The LP docking button was inaccessible in 6 patients, and the docking button detached from the LP during retrieval in 1 patient. There was 1 case of arteriovenous fistula and another case of the LP docking button migrating into the pulmonary artery. There were also 115 non-LP retrieval patients after the advisory who received an additional pacemaker, with no adverse device-to-device interactions reported. CONCLUSION As with standard pacers, LPs can have critical battery failures. Chronic retrieval of LPs is safe and efficacious.

  • Název v anglickém jazyce

    A worldwide experience of the management of battery failures and chronic device retrieval of the Nanostim leadless pacemaker

  • Popis výsledku anglicky

    BACKGROUND The Nanostim leadless pacemaker (LP) met the primary endpoints in an investigational device exemption trial, and was shown to be fully retrievable percutaneously. In October 2016, St Jude Medical issued a worldwide alert of a battery malfunction that caused lost pacing output and LP communication. OBJECTIVE To report the battery failure mechanism and incidence and the worldwide patient management, including device retrieval experiences. METHODS The affected LP battery is a custom lithium-carbon monofluoride cell. These were returned after failure and underwent analysis assessing electronics and battery performance. Data were collected in ongoing clinical studies when LPs were abandoned or retrieved. RESULTS Of 1423 LPs implanted worldwide, there were 34 battery failures, occurring at 2.9 +/- 0.4 years with no instances of associated patient injury. Analysis of returned batteries revealed an increase in battery resistance caused by insufficient electrolyte availability at the cathode/anode interface. A total of 66 of 73 retrieval attempts were successful (90.4%; implant duration range: 0.2-4.0 years). The LP docking button was inaccessible in 6 patients, and the docking button detached from the LP during retrieval in 1 patient. There was 1 case of arteriovenous fistula and another case of the LP docking button migrating into the pulmonary artery. There were also 115 non-LP retrieval patients after the advisory who received an additional pacemaker, with no adverse device-to-device interactions reported. CONCLUSION As with standard pacers, LPs can have critical battery failures. Chronic retrieval of LPs is safe and efficacious.

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    30201 - Cardiac and Cardiovascular systems

Návaznosti výsledku

  • Projekt

  • Návaznosti

    N - Vyzkumna aktivita podporovana z neverejnych zdroju

Ostatní

  • Rok uplatnění

    2017

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Údaje specifické pro druh výsledku

  • Název periodika

    Heart Rhythm

  • ISSN

    1547-5271

  • e-ISSN

  • Svazek periodika

    14

  • Číslo periodika v rámci svazku

    12

  • Stát vydavatele periodika

    US - Spojené státy americké

  • Počet stran výsledku

    8

  • Strana od-do

    1756-1763

  • Kód UT WoS článku

    000417131600006

  • EID výsledku v databázi Scopus

    2-s2.0-85027231508