Transatrial Pericardial Separation to Enhance Safety of Subxiphoid Pericardial Access for Left Atrial Appendage Ligation

August 30, 2024 updated by: Adam Greenbaum, Henry Ford Health System

Transatrial Pericardial Separation to Enhance the Safety of Subxiphoid Pericardial Access for Lariat Lariat Left Atrial Appendage Ligation

We use a tiny catheter through the heart to separate the pericardium with gas. We expect this to improve the safety of the Lariat procedure.

Study Overview

Detailed Description

The Lariat suture device enables non-surgical exclusion of the left atrial appendage possibly to prevent thromboembolism and stroke in patients with atrial fibrillation. Subxiphoid needle access to the pericardium (a standard approach to enter the pericardial space surrounding the heart using a needle underneath the breastbone) during Lariat risks injury to the heart surface that requires surgical repair.

In this protocol the investigators propose test a new method to increase the safety of needle access to the pericardium. Before needle access, the investigators introduce a separate tiny catheter into the pericardium from inside the heart through a tiny hole. The investigators then inject gas to push the heart away from the pericardial needle. This reduces the risk of injuring the heart during the standard Lariat procedure.

Study Type

Interventional

Enrollment (Actual)

13

Phase

  • Not Applicable

Contacts and Locations

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

Study Locations

    • Michigan
      • Detroit, Michigan, United States, 48202
        • Henry Ford Health System

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Undergoing subxiphoid access to the "empty" pericardial space as part of a Lariat left atrial appendage exclusion procedure
  • Age ≥ 21 years

Exclusion Criteria:

• Does not consent to participate

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

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Pericardial insufflation with CO2
Intentional transatrial introduction of a microcatheter to insufflate the pericardium with carbon dioxide, to separate the walls of the pericardium
Separate the walls of the pericardium by insufflating the pericardial space with carbon dioide.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Successful subxiphoid needle access without myocardial injury
Time Frame: Immediate
Immediate

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.

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

May 1, 2014

Primary Completion (Actual)

June 1, 2015

Study Completion (Actual)

August 1, 2015

Study Registration Dates

First Submitted

April 29, 2015

First Submitted That Met QC Criteria

August 30, 2024

First Posted (Actual)

September 4, 2024

Study Record Updates

Last Update Posted (Actual)

September 4, 2024

Last Update Submitted That Met QC Criteria

August 30, 2024

Last Verified

August 1, 2024

More Information

Terms related to this study

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.

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