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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02994667
Other study ID # 014-286
Secondary ID
Status Completed
Phase
First received
Last updated
Start date January 2015
Est. completion date December 20, 2019

Study information

Verified date January 2020
Source Baylor Research Institute
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of this study is to assess the incidence (at 90-days) of ventricular pacing in patients undergoing permanent pacemaker placement after TAVR.

As well as incidence (at 90-days) of atrioventricular block (AVB), intraventricular conduction delay (IVCD), bundle branch block (BBB), and rate histogram in patients undergoing permanent pacemaker placement after TAVR.


Description:

Development of atrioventricular (AV) conduction system abnormalities requiring placement of a permanent pacemaker (PPM) is a known complication of transcatheter aortic valve replacement (TAVR). Male gender, pre-existing AV conduction system abnormalities, transient AV block intra-procedurally, and use of a self-expanding valve have all been associated with increased risk of AV block and need for permanent pacemaker placement. Persistent AV conduction abnormalities have been documented in approximately 15% of patients who receive an Edwards Sapien valve, with 4% requiring permanent pacemaker placement. 22-28% of patients who receive a CoreValve require permanent pacemaker placement in some studies. In one study, 78% of patients who underwent His bundle electrogram assessment during CoreValve placement had transient or persistent AV conduction system abnormalities during the procedure.

Pacemakers placed at The Heart Hospital Baylor Plano are produced by two manufactures: Medtronic, Inc. and St. Jude Medical, Inc. Each of these manufacturers have pacemakers with algorithms designed to minimize right ventricular pacing. Medtronic's algorithm is referred to as "MVP" (Managed Ventricular Pacing), and St. Jude Medical's algorithm is referred to as "VIP" (Ventricular Intrinsic Preference). Each of these techniques purports to reduce unnecessary right ventricular (RV) pacing through a novel pacemaker algorithm. Both manufacturers' pacemaker programmers and remote monitoring systems allow for demonstration of the percentage of ventricular pacing performed by the device.

The Investigators propose to assess the 90 day- ventricular pacing, atrioventricular block (AVB), intraventricular conduction delay (IVCD), bundle branch block (BBB), and rate histogram incidence in those patients who undergo pacemaker implantation due to elevated risk (or occurrence of) high-grade AV block after TAVR.


Recruitment information / eligibility

Status Completed
Enrollment 30
Est. completion date December 20, 2019
Est. primary completion date December 20, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Patients > 18 years of age

- Patients undergoing Transcatheter Aortic Valve Replacement

- Indication for PPM including:

1. Persistent 3rd degree AVB

2. Transient 3rd degree AVB

3. New Left BBB

4. New bifascicular block

5. New first degree AV block

6. Any conduction disturbance determined by the investigator to be related to the TAVR procedure 4. Patients receiving post-TAVR PPM with one of the following devices

a. Medtronic: i. ADAPTA DR -ADDR01 ii. ADAPTA L DR-ADDRL1 iii. ADVISA MRI-A2DR01 b. St. Jude Medical: i. Zypher 5820 ii. Zypher 5826 iii. Accent pm2110 iv. Accent pm2210 v. Assurity pm2240 vi. Endurity Pm2160

Exclusion Criteria:

- Pregnancy-Women of childbearing potential should have negative urine 'pregnancy test prior to enrollment

- Patients with implanted pacemaker

- Patients with implantable cardiac defibrillator

- Indication for post TAVR PPM not related to the procedure including sinus node dysfunction/sick sinus syndrome.

- Medically unable to provide consent

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Permanent Pacemaker Placement


Locations

Country Name City State
United States The Heart Hospital Baylor of Plano Plano Texas

Sponsors (1)

Lead Sponsor Collaborator
Baylor Research Institute

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of Ventricular Pacing Incidence of Ventricular pacing post permanent pacemaker placement after TAVR as indicated by Pacemaker interrogation or remote monitoring system. 7-90 days
Secondary Incidence of other conduction disturbances Freedom from documented atrioventricular block (AVB), intraventricular conduction dely (IVCD), bundle branch block (BBB) as indicated by pacemaker interrogation or remote monitoring system. 7-90 days
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