Prospective Validation of a Pre-Specified Algorithm for the Management of Conduction Disturbances Following Transcatheter Aortic Valve Replacement. (PROMOTE)

Prospective Validation of a Pre-Specified Algorithm for the Management of Conduction Disturbances Following Transcatheter Aortic Valve Replacement. The PROMOTE Study

The high incidence and variety of conduction disturbances post-TAVR represents a major challenge in the periprocedural management of TAVR recipients. Despite the growing body of knowledge on this topic, the large variability in the management of these complications has translated into a high degree of uncertainty regarding the most appropriate treatment of a large proportion of such patients. The implementation of a pre-specified treatment strategy translating into a more uniform practice regarding the management of conduction disturbances post-TAVR applied to a large cohort of patients would permit to identify the benefits and drawbacks of each specific aspect of the treatment algorithm proposal. This may also help to improve both the management and clinical outcomes of the complex group of patients with conduction disturbances associated with TAVR. In the end, the final objective of a pre-specified strategy for managing conduction disturbances post-TAVR should be to obtain a low rate of PPM without increasing the risk of sudden death or life threatening arrhythmic events following hospital discharge, and all this while avoiding an excessive prolongation of the hospitalization period following the TAVR procedure.

Study Overview

Detailed Description

The objectives of the study are:

  • Feasibility: to validate and determine the applicability of a pre-specified algorithm for managing conduction disturbances in consecutive patients undergoing TAVR, also evaluating the percentage of patients included in each group of the algorithm strategy.
  • Efficacy: (i) to evaluate the rate of permanent pacemaker implantation in-hospital and at 30 days compared to that of the year prior to the implementation of the protocol, (ii) to determine the incidence of sudden death at 30 days and at 1-year follow-up.

Study Type

Observational

Enrollment (Estimated)

2000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Sampling Method

Probability Sample

Study Population

Patients with aortic valve disease undergoing transcatheter aortic valve replacement without prior permanent pacemaker

Description

Inclusion Criteria:

-Patients with aortic valve disease undergoing transcatheter aortic valve replacement

Exclusion Criteria:

  • Prior permanent pacemaker
  • Failure to provide signed informed consent for data collection
  • Impossibility for a follow-up
  • Unwillingness to follow the pre-specified strategy for the management of conduction disturbances

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
No ECG changes in patients without pre-existing RBBB
Patients with no new conduction disturbances on the ECG performed immediately post-TAVR (and no episodes of HAVB/CHB during the procedure) have a very low risk of developing HAVB/CHB or any conduction disturbance within the hours-days following the procedure. In these cases, temporary pacing will be discontinued at the end of the procedure. However, continuous ECG monitoring until hospital discharge is recommended. A 12-lead ECG is recommended 24 hours after the procedure. If no arrhythmic episodes and no ECG changes occur within the 24 hours post-procedure, the patient can be safely discharged (the day after TAVR) with no other monitoring measures in case of otherwise uneventful clinical course (absence of other TAVR related adverse events). If the patient has to remain hospitalized because of other reasons or TAVR complications, telemetry would be recommended (but no strictly required) for the detection of post-TAVR tachyarrhythmias or late ECG changes.
Patients with pre-existing RBBB
A temporary pacing wire is recommended to be maintained for 24 hours (or at least overnight) in all patients with prior RBBB, along with telemetry and daily ECG during the entire hospitalization period (minimum of 2 days). If any ECG changes occur during the initial 2-3 days, patients can be managed according to the proposed strategy (see management strategies for groups 3 and 5). If no ECG changes or significant bradyarrythmias occur within the 2-3 days following the procedure, the patient can be discharged. Considering that the increased risk of life threatening bradyarrhythmias in these patients may extend beyond the hospitalization period, the use of continuous ECG monitoring systems (minimum of 48 hours, up to 4 weeks) may be considered.
ECG changes in patients with prior conduction disturbances

Any significant increase in PR or QRS interval will indicate to continuing the temporary pacing for 24 hrs, with daily ECG and telemetry for 1-2 days. If the ECG changes regress in <24 hrs, an earlier removal of the temporary pacing may be considered. Also, a strategy of multiple ECGs during the first 24 hrs may be considered. If ECG changes regress or no further changes occur the patient can be discharged with no PPM at 2 days post-TAVR.

If 24 hrs post-TAVR, the PR and QRS interval remain stable but >240 or >150 ms, respectively, and ≥20 ms longer than baseline, maintaining the temporary pacing wire for another 24 hrs is recommended. If no decrease in the PR or QRS duration occurs at day 2, the patient can be considered at risk for more advanced conduction disturbances requiring PPM. The use of an EP study may be a reasonable option for deciding PPM in those patients with prior conduction disturbances with worsening of ECG changes post-TAVR

New-onset LBBB

Temporary pacing for 24 hrs is recommended, in all patients with new-onset LBBB post-TAVR. Earlier removal of the temporary pacing and discharged at day 1 can be considered if LBBB resolves in <24 hrs.

If LBBB persists but no further progression of the duration of the QRS or PR interval is observed at day 1, temporary pacing can be discontinued. If no further ECG changes are observed up to day 2-3 post-TAVR, the patient can be discharged. These patients are however at increased risk of HAVB/CHB requiring PPM, and continuous ECG monitoring and/or EP studies may be considered.

If further prolongation of the QRS or PR interval is observed at day 1, the temporary pacing is recommended for an additional 24 hrs. If the prolongation of the QRS or PR intervals continues at day 2, evaluation with EP studies or PPM implantation may be considered.

The occurrence of any episode of HAVB/CHB following TAVR in a patient with new-onset LBBB will be considered an indication for PPM

HAVB/CHB during the periprocedural period

Maintaining temporary pacing in patients with procedural persistent HAVB/CHB, and monitoring in intensive care unit are recommended. If HAVB/CHB persists at 24 hrs, PPM is recommended. If HAVB/CHB recovers the day after TAVR, the temporary pacing can be removed and the patient can remain hospitalized for 1 day. If another episode of HAVB/CHB occurs, PPM is recommended. If no other episode of HAVB/CHB occurs, and no other features potentially justifying PPM exist the patient can be discharged.

Temporary pacing is recommended for 24 hrs in patients with transient HAVB during the procedure, with telemetry and daily ECG for 2 days. Discontinuing temporary pacing may be considered in those cases with brief episodes of HAVB/CHB and normal ECG. If no recurrent episodes of HAVB/CHB occur, and the patient has no other potential indications for PPM the patient can be discharged at day 2. PPM would be indicated if any recurrent episode of HAVB/CHB occurs during the hospitalization period.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Rate of successful algorithm implementation and percentage of patients in each arm of the pre-specified algorithm
Time Frame: 1 year follow-up
1 year follow-up
Incidence of permanent pacemaker implantation
Time Frame: At 30-day follow-up
At 30-day follow-up
Incidence of permanent pacemaker implantation
Time Frame: At 1-year follow-up
At 1-year follow-up
Incidence of sudden death
Time Frame: At 30-day follow-up
At 30-day follow-up
Incidence of sudden death
Time Frame: At 1-year follow-up
At 1-year follow-up

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Rate, timing of and reasons for permanent pacemaker implantation
Time Frame: Before hospital discharge (between 1 to 30 days)
Rate, timing of and reasons for permanent pacemaker implantation in each group of the pre-specified algorithm
Before hospital discharge (between 1 to 30 days)
Rate, timing of and reasons for permanent pacemaker implantation
Time Frame: At 30-day follow-up
Rate, timing of and reasons for permanent pacemaker implantation in each group of the pre-specified algorithm
At 30-day follow-up
Rate, timing of and reasons for permanent pacemaker implantation
Time Frame: At 1 year follow-up
Rate, timing of and reasons for permanent pacemaker implantation in each group of the pre-specified algorithm
At 1 year follow-up
Rate and timing of sudden death
Time Frame: At 30-day follow-up
Rate and timing of sudden death in each group of the pre-specified algorithm
At 30-day follow-up
Rate and timing of sudden death
Time Frame: At 1-year follow-up
Rate and timing of sudden death in each group of the pre-specified algorithm
At 1-year follow-up
Evaluation of arrhythmic events in patients with continuous ECG monitoring
Time Frame: After hospital discharge (up to 1-year)
Evaluation of arrhythmic events in patients with continuous ECG monitoring at hospital discharge
After hospital discharge (up to 1-year)
Evaluation of the rate and timing of permanent pacemaker implantation
Time Frame: After hospital discharge (up to 1-year)
After hospital discharge (up to 1-year)
Rate of PPI among valve types
Time Frame: At 30-day follow-up
Compare rate of permanent pacemaker implantation among different valve types
At 30-day follow-up
Rate of PPI among valve types
Time Frame: At 1-year follow-up
Compare rate of permanent pacemaker implantation among different valve types
At 1-year follow-up
Pace dependency and pacing rate
Time Frame: At 30-day follow-up
Determine the pace dependency and pacing rate in patients with periprocedural permanent pacemaker implantation (overall and in each subgroup of the algorithm)
At 30-day follow-up
Pace dependency and pacing rate
Time Frame: At 1-year follow-up
Determine the pace dependency and pacing rate in patients with periprocedural permanent pacemaker implantation (overall and in each subgroup of the algorithm)
At 1-year follow-up
Factors associated with sudden death or permanent pacemaker implantation
Time Frame: At 30-day follow-up
Determine factors associated with sudden death or permanent pacemaker implantation during the follow-up period overall and in each algorithm group
At 30-day follow-up
Factors associated with sudden death or permanent pacemaker implantation
Time Frame: At 1-year follow-up
Determine factors associated with sudden death or permanent pacemaker implantation during the follow-up period overall and in each algorithm group
At 1-year follow-up

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 25, 2020

Primary Completion (Estimated)

February 25, 2024

Study Completion (Estimated)

February 25, 2025

Study Registration Dates

First Submitted

October 21, 2019

First Submitted That Met QC Criteria

October 23, 2019

First Posted (Actual)

October 25, 2019

Study Record Updates

Last Update Posted (Actual)

June 9, 2023

Last Update Submitted That Met QC Criteria

June 8, 2023

Last Verified

June 1, 2023

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Transcatheter Aortic Valve Replacement

3
Subscribe