Evidence map›Paper›PMID 40615186›Full record

ArticleJACC. Case reports2025

Worsening Heart Failure From Decreased Atrioventricular Synchronization Rate of a Leadless Pacemaker: Atrial Mechanical Oversensing.

Kazuku Ishihara, Takenori Ikoma, Makoto Sano, Terumori Satoh, Keisuke Iguchi, Atsushi Sakamoto, Kenichiro Suwa, Yoshihisa Naruse, Hayato Ohtani, Yuichiro Maekawa

Abstract readCase Reports
PubMed Full text at PMC Publisher
In one paragraph

Article in JACC. Case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Kazuku IshiharaDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Takenori IkomaDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Makoto SanoDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan. Electronic address: makosano@hama-med.ac.jp.
Terumori SatohDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Keisuke IguchiDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Atsushi SakamotoDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Kenichiro SuwaDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Yoshihisa NaruseDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Hayato OhtaniDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Yuichiro MaekawaDivision of Cardiology, Internal Medicine Ⅲ, Hamamatsu University School of Medicine, Hamamatsu, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAtrioventricular synchronous pacing with a leadless pacemaker is a therapy used in patients with atrioventricular block. However, atrial oversensing may cause an increase in heart rate, with resulting atrioventricular dyssynchrony. CASE SUMMARY: A 90-year-old woman, who was treated with a leadless pacemaker 2 years earlier for a complete atrioventricular block, developed congestive heart failure. The electrocardiogram revealed an increase in heart rate with atrioventricular dyssynchronous pacing and a decrease in atrioventricular synchronization rate. A manual atrial mechanical test indicated dyssynchronized atrioventricular pacing secondary to atrial mechanical oversensing. DISCUSSION: This case of heart failure exacerbation resulted from 1) the increase in heart rate with atrioventricular dyssynchrony caused by atrial mechanical oversensing and 2) the dyssynchronous pacing resulting from pacing-induced cardiomyopathy. TAKE-HOME MESSAGES: Atrioventricular synchronization can vary with changes in cardiac structure and hemodynamics. It is important to assess atrioventricular synchrony repeatedly in electrocardiograms or rate histograms in the device.

Indexed as

heart failureleadless pacemakerMicra AV

Identifiers

PMID40615186
PMCPMC12441410

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.