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Clinical Trial Summary

Patients with severe chronic kidney disease (CKD) who develop atrial fibrillation are at high risk for stroke. The use of blood thinking medication in dialysis patients is controversial and warfarin carries a serious risk for major bleeding.

The Watchman device may be an ideal therapy for this population as after implantation it allows for the discontinuation of blood thinners, thereby reducing the risk of bleeding.


Clinical Trial Description

An estimated 25 million North American's have chronic kidney disease (CKD) including 600,000 that require dialysis for end-stage renal disease.The importance of CKD is underscored by the poor survival, frequent hospitalizations and impaired health related quality of life of patients with CKD.

Stroke is an important cause of morbidity, mortality and suffering for patients with CKD. Stroke is approximately 5 to 10 times more common in patients with advanced CKD compared to non-CKD patients. Atrial fibrillation (AF), the most important risk factor for stroke, occurs in up to 20.4% of patients with advanced CKD. Observational studies suggest anywhere from an approximate 56% relative risk reduction to a 2-fold increase in the risk of stroke with warfarin. Furthermore, the risk of bleeding in patients with advanced CKD is roughly 5-fold higher than patients without CKD. Although OAC may not prevent strokes in patients with advanced CKD, it still increases the risk of major bleeding by 1.4 fold.

New stroke prevention strategies in patients with CKD and AF are urgently needed. An effective strategy must reduce the risk of thromboembolic events while not increasing the risk of bleeding substantially. Left atrial appendage occlusion (LAAO) with devices such as the Watchman, represent a unique opportunity to accomplish effective stroke prevention while mitigating the risk of bleeding in this patient population. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02885545
Study type Interventional
Source Population Health Research Institute
Contact
Status Withdrawn
Phase Phase 4
Start date September 2016
Completion date March 5, 2018

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