- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05575557
Pulmonary Artery Pressure and Right Heart Evaluation for Patients Requiring Physiological Pacing Treatment
With the aging of society, the use of cardiac pacing in patients with irreversible bradycardia is increasingly widespread. As early as the 1950s, right ventricular pacing (RVP) began to be used in patients with atrioventricular block or sick sinus syndrome, but in fact such pacing could cause ventricular asynchrony, which could lead to long-term myocardial perfusion injury, valvular regurgitation, heart failure, and increased risk of ventricular tachycardia and ventricular fibrillation. The latest guideline recommended reducing the proportion of right ventricular pacing. Additionally, in patients with heart failure with reduced ejection fraction (EF ≤ 35%) and complete left bundle branch block, cardiac resynchronization therapy (CRT) with biventricular pacing (BVP) has been recommended to improve cardiac function, but only about 30% of patients benefit from it, which may be related to poor left ventricular pacing site and myocardial scarring. In theory, His bundle pacing (HBP) compared with RVP can reduce the risk of functional tricuspid regurgitation when the lead position lies on the atrial side of the tricuspid valve, which may improve the right heart function and pulmonary artery pressure. In 2021, Domenico Grieco et al. explored the effect of HBP on right heart function. After 6 months of follow-up, it was found that HBP improved right heart function and pulmonary artery pressure compared with RVP.
At present, there are few discussions on the effect of physiological pacing on right ventricular hemodynamics, and the sample size is small. Internationally, the discussion of the assessment of hemodynamics is limited to non-invasive evaluation (such as echocardiography, ECG, SPECT) The gold standard for right heart hemodynamics evaluation is the measurement of invasive right heart catheterization, and there has been no relevant research so far, so the investigators further designed a study of the effect of physiological pacing on hemodynamics.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study was designed to investigate the acute and chronic effect of different pacing methods on the function of pulmonary artery and right heart.
Studied population: The investigated population are patients eligible for pacemaker implantation and cardiac resynchronization therapy and specified as followed:
1. age over 18; 2. persistent atrial fibrillation patients with uncontrolled heart rate requiring atrioventricular node ablation; 3. heart failure patients with EF≤35% and complete left bundle branch block; 4. patients with sick sinus syndrome or atrioventricular block eligible for pacemaker implantation.
Investigated procedure: Physiological pacing as the principal studied procedure is defined as pacing with ventricular lead implanted at proximal/distal His bundle or left bundle branch. While right ventricular pacing was defined as conventional pacing with ventricular lead implanted at right ventricular apex.
Importantly, Swan-Ganz catheter was performed before and after physiological pacing. By the internal jugular vein before the pacemaker implantation procedure. After the measurement, the catheter was indwelled and measurement was taken. Thereafter, pacemaker implantation procedure was followed. After completing electrode fixation and continuous ventricular pacing for at least 5 minutes, ensuring ventricular pacing ratio > 80%, the SW catheter measurement was performed again to acquire indices under physiological pacing.
Follow up: The study is designed to have scheduled follow-up at 1 month, 3-month, 6-month and 12 months after procedure. Primary endpoint is a composite endpoint of all-cause mortality and HF rehospitalization. And other imageological measurement (echocardiography) biochemical test (blood BNP) and functional evaluation (6MWT) were performed to appraise the impact of physiological pacing on the condition of the participants.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Yang Su
- Phone Number: +86 13817491747
- Email: suyang-yiyi@163.com
Study Contact Backup
- Name: Weilun Meng
- Phone Number: +86 18351999826
- Email: mengweilun1996@qq.com
Study Locations
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-
Shanghai
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Shanghai, Shanghai, China, 210000
- Recruiting
- Shanghai Tenth People's Hospital
-
Contact:
- Yawei Xu
- Phone Number: +86 18917683030
- Email: xuyawei@tongji.edu.cn
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- age over 18
- persistent atrial fibrillation patients with uncontrolled heart rate requiring atrioventricular node ablation
- patients with sick sinus syndrome or atrioventricular block eligible for pacemaker implantation
- patients who can understand and sign informed consent
Exclusion Criteria:
- age below 18 or over 99
- concomitant diseases that may affect right heart function, including COPD, pulmonary infection, history of pulmonary embolism or right myocardial infarction, myocarditis, systemic disease
- patients with temporary pacemaker implanted
- right heart catheterization contraindications, including acute infection and embolic events
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: His bundle pacing group
HBP was performed on the patient, and the detection of the His bundle potential during the procedure is the sign of the success of the procedure.
The HB capture threshold was accepted if lower than 3.0 V at 0.42ms.
|
All groups were detected with SW catheter by the internal jugular vein before the procedure.
After the measurement, the catheter was indwelled, and the pacemaker implantation procedure was started.
After ventricular pacing for 5 minutes, the SW catheter measurement was performed again.
After the measurement, the SW catheter was withdrawn.
|
Active Comparator: Left branch bundle pacing group
HBP was performed on the patient, and the detection of the His bundle potential during the procedure is the sign of the success of the procedure.
During the procedure, the duration from the pacing signal to the peak of R wave (on V4-V6 lead) is measured as pacing to left ventricular activation time (p-LVAT).
An eligible site of left bundle capture was confirmed if selective LBBP was demonstrated by ECG, if p-LVAT shortened abruptly >10 ms through increasing pacing output, or if p-LVAT stayed shortest and stable at the site.
|
All groups were detected with SW catheter by the internal jugular vein before the procedure.
After the measurement, the catheter was indwelled, and the pacemaker implantation procedure was started.
After ventricular pacing for 5 minutes, the SW catheter measurement was performed again.
After the measurement, the SW catheter was withdrawn.
|
Active Comparator: Right ventricular pacing group
If we could not achieve an acceptable HB or LBB capture after five attempts of lead positioning or a fluoroscopy exposure time over 30min, the lead was then placed in the RV with traditional approach.
|
All groups were detected with SW catheter by the internal jugular vein before the procedure.
After the measurement, the catheter was indwelled, and the pacemaker implantation procedure was started.
After ventricular pacing for 5 minutes, the SW catheter measurement was performed again.
After the measurement, the SW catheter was withdrawn.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of adverse events after procedure
Time Frame: From date of inclusion until the date of documented adverse events, assessed up to 1 year
|
rehospitalization due to acute heart failure, all-cause mortality, cardiac death
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From date of inclusion until the date of documented adverse events, assessed up to 1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in systolic, diastolic and mean pulmonary artery pressure by Swan-Ganz catheter from pre-procedure level
Time Frame: 5 minutes after ventricular pacing lead implantation
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Measurement of systolic, diastolic and pulmonary artery pressure by Swan-Ganz catheter before and 5 minutes after ventricular pacing lead implantation
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5 minutes after ventricular pacing lead implantation
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Changes in systolic, diastolic and mean right ventricular pressure by Swan-Ganz catheter from pre-procedure level
Time Frame: 5 minutes after ventricular pacing lead implantation
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Measurement of systolic, diastolic and mean right ventricular pressure by Swan-Ganz catheter before and 5 minutes after ventricular pacing lead implantation
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5 minutes after ventricular pacing lead implantation
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Changes in systolic, diastolic and mean right atrial pressure by Swan-Ganz catheter from pre-procedure level
Time Frame: 5 minutes after ventricular pacing lead implantation
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Measurement of systolic, diastolic and mean right atrial pressure by Swan-Ganz catheter before and 5 minutes after ventricular pacing lead implantation
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5 minutes after ventricular pacing lead implantation
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Changes in right ventricular global longitudinal strain rate from pre-porcedure level
Time Frame: 24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Right ventricular global longitudinal strain rate measured at four-chamber view
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24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Changes in tricuspid annular plane systolic excursion from pre-procedure level
Time Frame: 24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Tricuspid annular plane systolic excursion by tissue doppler imaging measured at four-chamber view
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24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Changes in Tei index from pre-procedure level
Time Frame: 24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Tei index calculated from measurement by tissue doppler imaging of tricuspid moving velocity at four-chamber view
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24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Changes in pulmonary artery systolic pressure by echocardiography from pre-procedure level
Time Frame: 24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Pulmonary artery systolic pressure was approximated by echocardiography measuring tricuspid regurgitation pressure
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24 hours post procedure, 1st month, 3rd month, 12th month since procedure
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Change from baseline walking distance of 6-min walk test between different groups at 6 month after procedure
Time Frame: 1st month, 3rd month, 12th month since procedure
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Maximum walking distance measured from 6-min walk test
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1st month, 3rd month, 12th month since procedure
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Change from baseline general quality of life evaluation
Time Frame: 1st month, 3rd month, 12th month since procedure
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Change in EQ-5D-5L questionnaire score
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1st month, 3rd month, 12th month since procedure
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Change from baseline heart failure-specific quality of life evaluation
Time Frame: 1st month, 3rd month, 12th month since procedure
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Change in Kansas City Cardiomyopathy Questionnaire score
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1st month, 3rd month, 12th month since procedure
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Change in heart failure biomarker from baseline
Time Frame: 1st month, 3rd month, 12th month since procedure
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Change in level of blood brain natriuretic peptide
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1st month, 3rd month, 12th month since procedure
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Changes in blood pressure from baseline between different groups at 6 months after procedure
Time Frame: 1st month, 3rd month, 12th month since procedure
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Change of systolic and diastolic blood pressure, an average value of three times
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1st month, 3rd month, 12th month since procedure
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Yawei Xu, Shanghai 10th People's Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PROPHET
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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