Implantation of cardiac resynchronization therapy through persistent left superior vena cava.
Marcin Michalak 1  
,  
Szymon Jonik 1  
,  
Grzegorz Opolski 1  
,  
 
 
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1st Department of Cardiology, Medical University of Warsaw
Publish date: 2018-12-30
 
Heart Beat 2018;3:77–79
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ABSTRACT:
Persistent left superior vena cava (PLSVC) is the most common anomaly of systemic venous return. Its occurrence is found in 0,3 to 0,5 % in general population and even up to 10 % in patients with congenital heart defects. We presented a patient with numerous cardiological burdens who has been admitted to our clinic for implantation of cardiac resynchronization therapy with defibrillator (CRT-D) due to heart failure (NYHA III class) with accompanying permanent atrial fibrillation and left bundle branch block with QRS width of 160 ms. During the implantation in venography we found PLSVC. Despite this anomaly, we found one big lateral branch for introduction of leads and the procedure was successful. PLSVC is usually asymptomatic and found accidentally, just like in our patient. Unfortunately, the existence of PLSVC significally worsens the prognosis of patients undergoing implantation. In case of failure, the only solution remains cardiac surgery.
CORRESPONDING AUTHOR:
Szymon Jonik   
1st Department of Cardiology, Medical University of Warsaw, ul. Banacha 1 a, 02-097 Warszawa, Poland
eISSN:2543-6333