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Novel Approach to Conduction System Pacing With Use of Ultrasound

Sponsor: Habib Khan • ClinicalTrials.gov ID: NCT06815783

Registry updated: 2026-10-19

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Description

Each year, over one million pacemakers are implanted globally using x-rays. Recent developments have been aimed at determining which area of the heart is the best option for lead placement. An area in the septum separating the verticals called the left bundle branch area (LBBA) has previously been identified as a safe and effective area for lead placement. However, as the LBBA location is in the center of the heart, it is impossible to see the entire extent using X-ray. Current practice requires x-ray guidance to estimate the location and pacing parameters to confirm proximity. Implanting in LBBA takes longer procedure times and higher exposure to X-ray radiation for both patients and hospital staff. Over time, radiation poses an increased risk of cancer and other medical issues. This study will determine if using ultrasound can improve pacemaker lead implantation to the LBBA. Benefits to patients may include fewer attempts and more accuracy in lead deployment, thereby reducing risks and providing improved outcomes. Benefits to healthcare delivery may include reduction in total procedure time, thereby allowing more cases per day to reduce waitlist, and reduced X-ray exposure to staff thereby reducing cumulative effects.

Interventions

Ultrasound guidance (Device)
Use of ultrasound in group 2
Fluoroscopy guided (Device)
Conventional techniques for implanting LBBAP lead

Eligibility criteria

Inclusion criteria: Patients meeting the following criteria are eligible for the study: 1. Male or female ≥18 years of age 2. Eligible to have a single or dual chamber pacemaker implanted for LBBAP 3. Confirmed diagnosis of conduction tissue disease 4. The participant can understand the written informed consent/assent, provides signed and witnessed written informed consent/assent, and agrees to comply with protocol requirements. 5. Good imaging quality determined on routine echocardiography Exclusion Criteria: Patients will be excluded if any one of the following criteria is met: 1. Any medical or psychiatric condition that, in the investigator's opinion, could jeopardize or compromise the participant's ability to participate in the study. 2. Any acute active malignancy requiring treatment or life expectancy is deemed less than 1 year. 3. Clinically significant disease that increases their risk of bleeding (hematological disorders, dialysis patient - anticoagulation does not apply) 4. History of alcohol or drug (other than caffeine) use disorder within 12 months of pacemaker implantation. 5. Hepatic impairment defined as ALT/AST \>3 × ULN and/or total bilirubin \>ULN, at Screening. 6. The participant has any clinically significant illness, in the opinion of the investigator, prior to their pacemaker implantation 7. Any other issues which, in the opinion of the investigator, will make the participant ineligible for study participation. 8. CRT and ICD implants. 9. Pregnancy or female of childbearing age (if negative pregnancy test not provided).

Conditions

Conduction Block, Atrioventricular Bundle-Branch Block

Locations

London Health Sciences Centre - University Hospital — London, Ontario, Canada
London Health Sciences Centre — London, Ontario, Canada

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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