Cryoablation of the Retrograde Fast Pathway as Treatment for AVNRT
NCT ID: NCT04122807
Last Updated: 2019-11-20
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
EARLY_PHASE1
20 participants
INTERVENTIONAL
2019-11-30
2021-12-31
Brief Summary
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Detailed Description
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Slow pathway ablation is a problem in people when the electrocardiogram (ECG) shows a long PR interval, with greater rates of AVB. This accounts for 5% of AVNRT cases. A possible solution is to treat the FP with cryo-energy and leave the SP intact. This pilot study aims to show this is safe and effective.
Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Mapping
Standard treatment involving ablation of the slow pathway with cryotherapy
Cardiac catheter ablation
Cryoablation
Ablation
Mapping and ablation of the retrograde fast pathway with cryotherapy
Cardiac catheter ablation
Cryoablation
Interventions
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Cardiac catheter ablation
Cryoablation
Eligibility Criteria
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Inclusion Criteria
* Planned to undergo electrophysiology (EP) study and ablation
* PR interval on ECG \<220ms (Group 1) or \>220ms (Group 2)
Exclusion Criteria
* Age \<18 years
* Inability to provide consent
* High likelihood of tachycardia mechanism other than AVNRT (e.g. Pre-excitation on surface ECG, atrial tachycardia)
18 Years
ALL
No
Sponsors
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University of Western Ontario, Canada
OTHER
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
OTHER
Responsible Party
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Locations
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Lawson Health Research Institute
London, Ontario, Canada
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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114445
Identifier Type: -
Identifier Source: org_study_id
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