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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04919733
Other study ID # 2019-3060
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date January 3, 2020
Est. completion date March 3, 2024

Study information

Verified date May 2022
Source Université de Sherbrooke
Contact Felix AYALA PAREDES, MD, PhD
Phone 819 346 1110
Email felix.ayala-paredes@usherbrooke.ca
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

CIED implants require different amounts of fluoroscopy; using 3-D mapping systems, these times could be reduced to near zero fluoroscopy. The investigators aim to describe to what extent fluoroscopy times are reduced on a routine basis on CIED implants


Description:

Patients with either brady arrhythmias, tachyarrhythmias, heart failure or primary prevention of sudden death receive a cardiac implantable electronic device (CIED) as a standard of care based on guideline indications. All implants require X-ray equipment to visualize the advancement and positioning of leads in different heart chambers. To date only anecdotical cases have been reported in the literature, of implants without fluoroscopy, mostly pregnant patients with a CIED indication that could not wait for implant after delivery or some rare situations where ultrasound was used to guide the leads trough the heart. There are two reported experiences using St-Jude Abbot 3-D NavX system; where 35 (ICD and pacemakers) and 15 (VVI pacemakers only) CIED patients were respectively approached with times reported to right ventricular lead implant of 18 +/- 22 minutes and atrial lead implant of 16 +/- 9 minutes, in 89% of cases a final fluoroscopy shot was deemed necessary (in 16% of patients it was needed to correct final position); in the second report with VVI only pacemakers, the implant of a single lead was 10.1 +/- 5.4 minutes, and the total procedure duration was 59.3 +/- 15.16 minutes -one patient needed fluoroscopy-, this last cohort was compared to previous 15 VVI pacemaker patients implanted under fluoroscopy, with control times of 51.5 +/- 12.3 minutes6 (p=ns); both studies reported around 10 minutes needed to obtain right chamber anatomies. There is a little more experience on biventricular implants with two reports one single center and then the same Italian group with a multicenter study achieving a significant reduction in fluoroscopy times: from 16 minutes to 4 minutes (ranges from 11-26 to 0.3-10.4 minutes) compared with a historical control, and with the same success rates to left lead implants; even in experienced centers (more than 10 previous implants) the median time was 3 minutes of fluoroscopy when a St-Jude Abbot NavX system was used. The advancement on 3-D mapping systems, allows nowadays to reduce and even eliminate the need of X-rays for most of ablation procedures, where the catheters advancement, positioning and navigation through the four heart chambers is accomplished with minimal or no irradiation to the patients and to the health care personnel. The hypothesis is that use of standard 3-D mapping systems to achieve CIED implants is feasible, safe, and that could be accomplished in a time efficient way. This will be the first large report for all type of CIED implants and with all available 3-D mapping system utilization; the investigators will try also to define if a complete reconstructed virtual anatomy is needed of if a rough anatomy is sufficient to achieve the implant, and speed procedure times.


Recruitment information / eligibility

Status Recruiting
Enrollment 150
Est. completion date March 3, 2024
Est. primary completion date January 3, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 100 Years
Eligibility Inclusion Criteria: - CIED implants Exclusion Criteria: - Patients with an urgent life-threatening indication requiring an urgent CIED implant. - Patients with known venous system abnormalities (as venous occlusion or abandoned non-accessible leads).

Study Design


Intervention

Device:
Fluoroscopy reduction
To decrease, using 3-D mapping systems, the amount of fluoroscopy needed to implant a CIED

Locations

Country Name City State
Canada CHUS Fleurimont Sherbrooke Quebec

Sponsors (1)

Lead Sponsor Collaborator
Université de Sherbrooke

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary Fluoroscopy time needed to implant a CIED while using 3-D mapping systems to reduce fluoroscopy exposure Fluoroscopy time while implanting a CIED During implant procedure
Primary Peak skin dose of radiation exposure during CIED implant Radiation exposure expressed as total Cumulative Air Kerma (mGy) During implant procedure
Primary Radiation exposure (kerma-area product) during CIED implant Total Dose Area Product (uGy-m2) During implant procedure
Primary Total procedural time Time of the patient entering the lab, to the time the patient exits the lab During implant procedure
Primary Safety issues arising because of reduction of fluoroscopy Complications arising while using a reduced fluoroscopy environment During implant procedure
Secondary Detailed 3-D mapping needed Y/N Is it necessary to create a detailed anatomy to navigate leads without fluoroscopy During implant procedure
Secondary Current of lesion at desired implant fixation site (Y/N) If current of lesion is necessary to ascertain that the fixation mechanism is already deployed During implant procedure
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