التفاصيل البيبلوغرافية
| العنوان: |
The angle of the tines before the pull and hold test predicts engagement of the tines in Micra leadless pacemaker implantation. |
| المؤلفون: |
Mizukami, Akira, Miyakuni, Shota, Nakada, Ryo, Kobayashi, Tetsuya, Kawakami, Takuya, Takegawa, Koki, Arai, Hirofumi, Hiroki, Jiro, Yoshioka, Kenji, Otani, Hirofumi, Ono, Maki, Yamashita, Shu, Ueshima, Daisuke, Suzuki, Makoto, Matsumura, Akihiko, Goya, Masahiko, Sasano, Tetsuo |
| المصدر: |
Journal of Arrhythmia; Feb2023, Vol. 39 Issue 1, p10-17, 8p |
| مصطلحات موضوعية: |
ECHOCARDIOGRAPHY, KRUSKAL-Wallis Test, STATISTICS, ACADEMIC medical centers, CONFIDENCE intervals, ACQUISITION of data, RETROSPECTIVE studies, MANN Whitney U Test, FISHER exact test, T-test (Statistics), MEDICAL records, CHI-squared test, DESCRIPTIVE statistics, CARDIAC pacemakers, DATA analysis, RECEIVER operating characteristic curves, DATA analysis software |
| مصطلحات جغرافية: |
JAPAN |
| مستخلص: |
Background: Micra leadless pacemaker is secured to the myocardium by engagement of at least 2/4 tines confirmed with pull and hold test. However, the pull and hold test is sometimes difficult to assess. This study was performed to evaluate whether the angle of the tines before the pull and hold test predicts engagement of the tines in Micra leadless pacemaker implantation. Methods: We retrospectively enrolled 93 consecutive patients (52.7% male, age 82.4 ± 9.4 years), who received Micra implantation from September 2017 to June 2020 at our institution. After deployment and before the pull and hold test, the angle of the visible tines to the body of the pacemaker was measured using the RAO view of the fluoroscopy image. The engagement of the tines was then confirmed with the pull and hold test. Results: A total of 326 tines were analyzed. The angle of the engaged tines was significantly lower than the non‐engaged tines (9.2 degrees [4.0–14.0] vs. 16.6 degrees [14.2–18.8], p <.0001). All tines with angles <10 degrees were engaged. In higher angles, engagement could not be predicted. Conclusion: A low angle of the tines before the pull and hold test can predict engagement of the tines in Micra leadless pacemaker implantation. The tines which are already open after deployment may be presumed that they are engaged. [ABSTRACT FROM AUTHOR] |
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