"Right Ventricular Outflow Tract Posterior Septum Pacing" in Predicting Ventricular Outflow Tract Ventricular Tachycardia Origin
NCT ID: NCT06360003
Last Updated: 2024-04-11
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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RECRUITING
NA
100 participants
INTERVENTIONAL
2023-04-01
2025-08-01
Brief Summary
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Researches will break the method of this investigation into two steps:
First step have enrolled 100 patients. This step would be used to compare the results predicted by right ventricular outflow tract posterior septum pacing, with the previously used electrocardiographic criteria and actual target site.
The second step will enroll another 100 patients. In this step, patients will be divided into two groups, one being the new protocol group and the other being the convention group. Patients will also be followed up, for 1 month and 3 months at outpatient clinic post procedure. Procedure time, success rate, fluoroscopy exposure time and complications, are compared between RVOT posterior septum pacing group and convention group.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Right Ventricular Outflow Tract (RVOT) Posterior Septum Pacing Group
Right Ventricular Outflow Tract Posterior Septum Pacing
The Right Ventricular Outflow Tract (RVOT) posterior septum pacing is routinely performed to observe the QRS complex characteristics of the 12 lead ECG (with a focus on comparing their differences with the R-wave amplitude of spontaneous ventricular arrhythmias in the right chest (V1\~V3) leads). When the pacing-induced R-wave amplitudes are all lower than spontaneous VAs in V1\~V3, we predict the origin of Left Ventricular Outflow Tract (LVOT), mapping and ablation in LVOT; otherwise we predict the origin of RVOT, mapping and ablation in RVOT.If fails, go to the opposite site to do mapping and ablation. If still fails, go to distal great cardiac vein (DGCV) to do mapping and ablation.
Convention Group
systemic mapping and ablation
The TC or ST ablation catheter is delivered to ventricular outflow tract (VOT) to perform systemic mapping and ablation.
Interventions
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Right Ventricular Outflow Tract Posterior Septum Pacing
The Right Ventricular Outflow Tract (RVOT) posterior septum pacing is routinely performed to observe the QRS complex characteristics of the 12 lead ECG (with a focus on comparing their differences with the R-wave amplitude of spontaneous ventricular arrhythmias in the right chest (V1\~V3) leads). When the pacing-induced R-wave amplitudes are all lower than spontaneous VAs in V1\~V3, we predict the origin of Left Ventricular Outflow Tract (LVOT), mapping and ablation in LVOT; otherwise we predict the origin of RVOT, mapping and ablation in RVOT.If fails, go to the opposite site to do mapping and ablation. If still fails, go to distal great cardiac vein (DGCV) to do mapping and ablation.
systemic mapping and ablation
The TC or ST ablation catheter is delivered to ventricular outflow tract (VOT) to perform systemic mapping and ablation.
Eligibility Criteria
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Inclusion Criteria
* Age more than 18 years old
* Able to understand the purpose of the experiment, voluntarily participate, willing to complete follow-up according to the requirement of the experimental protocol.
Exclusion Criteria
* Viral myocarditis, myocardial infarction or stroke with a course of less than six months
* Simultaneously accompanied by malignant tumours, with an expected lifespan of less than or equal to 1 year
* Severe thoracic deformity
* Advanced age (more than 90 years old)
* Other situations that the researcher deems unsuitable for participation in the study
18 Years
90 Years
ALL
No
Sponsors
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Second Affiliated Hospital of Wenzhou Medical University
OTHER
Responsible Party
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Principal Investigators
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Cheng Zheng, PhD
Role: PRINCIPAL_INVESTIGATOR
Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
Locations
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Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
Wenzhou, Zhejiang, China
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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SAHoWMU-CR2024-01-109
Identifier Type: -
Identifier Source: org_study_id
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