Observing the effects of different cardiac pacing methods
Official title: Study of the Efficacy and Safety of Cardiac Pacing of Different Sites
Run by Second Affiliated Hospital, School of Medicine, Zhejiang University · NCT04919447 · Data updated 2026-05-14
This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.
This study looks at how different ways of placing a pacemaker can affect people with slow heartbeats and heart failure to see which method works best and is safest.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years to 100 Years |
| Sex | All |
| Enrollment | 540 (estimated) |
| Sponsor | Second Affiliated Hospital, School of Medicine, Zhejiang University Academic / other |
| Locations | 1 site (Hangzhou, Zhejiang) |
| Trial ID | NCT04919447 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are patients who have received a pacemaker implantation at the Second Hospital of Zhejiang Medical University.
✕Probably not a fit
Patients who are unable to understand the study or unwilling to provide informed consent will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study focuses on patients who have undergone pacemaker implantation for bradyarrhythmias and heart failure. It aims to evaluate the short-term and long-term effects and safety of various cardiac pacing locations, including the left bundle branch and left ventricular pacing. By comparing the efficacy of different pacing strategies, the study seeks to identify the advantages and disadvantages of each approach in real-world clinical practice. The research is conducted at the Second Hospital of Zhejiang Medical University in Hangzhou, Zhejiang.
Why it matters
Potential benefit: If successful, this study could enhance the understanding of optimal pacing strategies, potentially improving patient outcomes in bradyarrhythmias and heart failure.
How similar studies have gone: While there are few studies comparing different pacing methods, this approach is relatively novel and aims to fill a gap in existing research.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patients who received pacemaker implantation in the Second Hospital of Zhejiang Medical University by Pan Xiaohong and other surgeons. * Patients who have the ability to understand the test and can cooperate with investigators. Exclusion Criteria: * Patients who unable to understand or unwilling to fill in informed consent forms or follow visitors
Where it's running
-
Xiaohong Pan
Hangzhou, Zhejiang, China Recruiting
Study contacts
- Study coordinator: Xiaohong Pan
- Email: heartpanxh@zju.edu.cn
- Phone: +8613857116993
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
-
Using Apple Watch data to predict heart failure outcomes
This study is testing if data from Apple Watches can help predict heart failure problems and the chances of needing to go back to the hospital for patients with heart failure.
-
Comparing Aortix Device to Diuretics for Acute Heart Failure
This study is testing whether the Aortix device can help people with acute heart failure who aren't responding to diuretics feel better compared to standard treatment.
-
Impact of Different Pacing Sites in Patients with Bradyarrhythmias and Heart Failure
This study is trying to see if pacing the heart from different spots can help people with slow heartbeats and heart failure feel better and have better long-term results.
-
Myocardial Energetics Across Cardiovascular Disease Spectrum Using 31P-MRS
Researchers are testing whether phosphorus-31 magnetic resonance spectroscopy (31P-MRS) can map heart energy metabolism across healthy people and patients with various heart conditions.
-
Tailored digital support to cut sedentary time in long-term cardiac rehab
In adults in a long-term cardiac rehabilitation program, this study tests whether a personalized behavioural program with digital tools can reduce daily sitting time.
-
NT-proBNP–guided heart failure screening for people 65+ in rural China
This study tests whether using NT-proBNP blood tests to guide heart failure screening in adults 65 and older in rural China can find unrecognized heart problems more effectively than symptom-based screening.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.