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  1. Article: Complex biventricular pacing - a case series.

    Hodkinson, Emily Catherine / Morrice, Keith / Loan, William / Nicholas, Jacob / Chew, Engwooi

    Indian pacing and electrophysiology journal

    2014  Volume 14, Issue 1, Page(s) 37–43

    Abstract: ... the demographic of patients in whom CRT may be appropriate. Here we present two cases of complex CRT; one ...

    Abstract It is established that cardiac resynchronisation therapy (CRT) reduces mortality and hospitalisation and improves functional class in patients with NYHA class 3-4 heart failure, an ejection fraction of ≤ 35% and a QRS duration of ≥ 120ms. Recent updates in the American guidelines have expanded the demographic of patients in whom CRT may be appropriate. Here we present two cases of complex CRT; one with a conventional indication but occluded central veins and the second with a novel indication for CRT post cardiac transplant.
    Language English
    Publishing date 2014-01-01
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2123606-9
    ISSN 0972-6292
    ISSN 0972-6292
    DOI 10.1016/s0972-6292(16)30714-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Atrial Antitachycardia Pacing in Complex Congenital Heart Disease: A Case Series.

    Kramer, Collin C / Maldonado, Jennifer R / Olson, Mark D / Gingerich, Jean C / Ochoa, Luis A / Law, Ian H

    The Journal of innovations in cardiac rhythm management

    2018  Volume 9, Issue 3, Page(s) 3079–3083

    Abstract: ... episodes successfully converted. The patients with biventricular physiology were able to forgo DC ... morbidity and mortality. Atrial antitachycardia pacing (ATP) delivered by atrial antitachycardia devices ... with unique forms of complex CHD. During this study, a single-center review of three patients with ATDs was ...

    Abstract Among the congenital heart disease (CHD) population, intra-atrial reentrant tachycardia (IART) is a common sequela resulting from anatomical anomalies and surgical scars that significantly increases morbidity and mortality. Atrial antitachycardia pacing (ATP) delivered by atrial antitachycardia devices (ATDs) has been used to treat IART in the CHD population. However, there remains limited data on the safety and efficacy of ATP, as well as on comparisons of its effects amongst different CHD subtypes. The purpose of the current study is to describe the clinical history and ATP efficacy in three patients with unique forms of complex CHD. During this study, a single-center review of three patients with ATDs was performed. One patient with each of the following CHD anomalies was selected for inclusion: systemic left ventricle, systemic right ventricle, and single ventricle. Data collected included ATP success rates, medications in use, direct current (DC) cardioversions, and any complications related to the ATDs. Study findings revealed the patient with a systemic left ventricle had an ATD implanted for approximately 9.5 years, with 695 of 956 (73%) episodes successfully converted. Unsuccessfully treated episodes were generally asymptomatic and self-terminating in this patient. The patient with a systemic right ventricle had an ATD implanted for approximately 16 years, with 333 of 348 (96%) episodes being successfully converted. The patient with a single ventricle had an ATD implanted for approximately 12.5 years, with 404 of 416 (97%) episodes successfully converted. The patients with biventricular physiology were able to forgo DC cardioversion after receiving their ATDs. However, due to medical noncompliance as well as multiple episodes of IART, which presented with 1:1 conduction or low rates, the single-ventricle patient still required DC cardioversions post-ATD implantation. In conclusion, this study's findings demonstrate that, while ATP can be effective in a wide variety of CHDs, experiences can vary based on individual arrhythmia substrates, cardiac anatomy, and medical compliance. Additionally, challenges remain in IART detection in patients with especially complex CHD anatomies.
    Language English
    Publishing date 2018-03-15
    Publishing country United States
    Document type Case Reports
    ISSN 2156-3977
    ISSN 2156-3977
    DOI 10.19102/icrm.2018.090304
    Database MEDical Literature Analysis and Retrieval System OnLINE

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