Pacemaker tweak may boost heart performance in small study

NCT ID NCT07624552

Completed Knowledge-focused Sponsor: Bursa Yuksek Ihtisas Training and Research Hospital Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether individually adjusting the timing (atrioventricular delay) of a pacemaker improves heart function in 39 adults with conduction system pacing. Researchers used echocardiography to optimize settings and measured changes in heart strain, pumping ability, and blood flow. The goal was to see if this extra step provides benefits beyond standard pacing.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Echocardiography-guided atrioventricular delay optimization (a pacemaker programming adjustment)
What this could lead to: If successful, this could show that fine-tuning pacemaker settings improves heart function beyond standard pacing alone.
What could go wrong: This is a small, completed study with only 39 participants. Results may not apply to all patients, and the benefits may be modest or not clinically significant.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

atrioventricular block

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ATRIOVENTRICULAR BLOCK CONDUCTION SYSTEM PACING

Contacts and locations

Locations

University of Health Sciences Bursa Yuksek Ihtisas Training and Research Hospital

Bursa, Yıldırım, Turkey (Türkiye)

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