AtriCure Exclusion of the LAA in Patients Undergoing Concomitant Cardiac Surgery

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-09-30

Study Completion Date

2011-10-31

Brief Summary

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Prospective, non-randomized trial to evaluate the safety and efficacy of the LAA Exclusion Device (Clip) for the exclusion of the LAA via epicardial tissue approximation.

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Detailed Description

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Conditions

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Left Atrial Appendage Exclusion

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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AtriCure LAA Exclusion System

Group Type EXPERIMENTAL

AtriCure LAA Exclusion System

Intervention Type DEVICE

Exclusion of the left atrial appendage using the AtriCure LAA Exclusion System

Interventions

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AtriCure LAA Exclusion System

Exclusion of the left atrial appendage using the AtriCure LAA Exclusion System

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Subject is greater than or equal to 18 years of age.
2. Subject has any one of the following risk factors and is thought to benefit from LAA occlusion:

* CHADS score \> 2
* Age \> 75 years
* Hypertension and age \> 65 years
* Previous stroke
* History of atrial fibrillation (any classification)
3. Subject is scheduled to undergo elective non-endoscopic cardiac surgical procedure(s) including cardiac surgery for one or more of the following: Mitral valve repair or replacement, Aortic valve repair or placement, Tricuspid valve repair or replacement, Coronary artery bypass procedures, concomitant surgical (ablation or cut-and-sew) Maze procedure, patent foramen ovale (PFO), atrial septal defect (ASD) repair with the device deployed while on or prepared for cardio-pulmonary bypass support.
4. Subject is willing and able to provide written informed consent.
5. Subject has a life expectancy of at least 1 year.
6. Subject is willing and able to return for scheduled follow-up visits.

Exclusion Criteria

1. Previous cardiac surgery
2. Thrombus in the LAA/LA which cannot be evacuated prior to placement of the Clip.
3. Patients requiring surgery other than CABG and/or cardiac valve and/or surgical maze procedure and/or PFO closure and/or ASD repair.
4. NYHA Class IV heart failure symptoms
5. Need for emergent cardiac surgery (i.e. cardiogenic shock)
6. Creatinine \>200 µmol/L
7. LAA is not appropriate for exclusion based on intraoperative evaluations
8. Current diagnosis of active systemic infection
9. Renal failure requiring dialysis or hepatic failure
10. A known drug and/or alcohol addiction
11. Mental impairment or other conditions which may not allow the subject to understand the nature, significance and scope of the study
12. Pregnancy or desire to get pregnant within 12-months of the study treatment
13. Preoperative need for an intra-aortic balloon pump or intravenous inotropes
14. Patients who have been treated with thoracic radiation
15. Patients in current chemotherapy
16. Patients on long term treatment with steroids not including intermittent use of inhaled steroids for respiratory diseases.
17. Patients with known connective tissue disorders

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No