Key result
WiCS-LV leadless pacing enables CRT despite coronary sinus atresia, reducing QRS duration ~23%.
Case Report (n=1)
No
Leadless endocardial pacing may offer an alternative for delivering cardiac resynchronization therapy in patients with coronary sinus atresia.
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May support leadless endocardial CRT in coronary sinus atresia; leaves open safety, efficacy, and generalizability.
Cardiac resynchronization therapy (CRT) has revolutionized the treatment of advanced heart failure. However, effective placement of a left ventricular (LV) pacing lead via the coronary venous system is subject to anatomical constraints.
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Thomas et al. (2016) conducted a case report in Dilated cardiomyopathy with severe left ventricular impairment and coronary sinus atresia (n=1). WiCS-LV system (leadless endocardial pacing) was evaluated on QRS duration and clinical improvement.
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