alexa Coronary sinus anatomy: Ajmer Working Group Classification.


Anatomy & Physiology: Current Research

Author(s): Gokhroo RK, Bisht DS, Padmanabhan D, Gupta S

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Abstract BACKGROUND: Coronary sinus (CS) anatomy is a major predictor of successful implantation of left ventricular (LV) lead and procedural outcome. We therefore made an attempt to look at the CS anatomy and possible feasibility to classify them into categories depending upon their size, branching pattern, location of posterolateral vein (PLV), and other parameters in order to guide the cardiologist for successful cannulation of the CS and LV lead implantation. METHODS: We analyzed the levophase angiograms of patients (n = 100) undergoing routine coronary angiography in the right anterior oblique view. We have made an attempt to classify these observations on the basis of predetermined parameters and a working classification was brought out for the ease of the operator and to predict the bottlenecks of the procedure. OBSERVATIONS: On the basis of predetermined parameters, venograms obtained from 100 patients were analyzed and findings were divided into three groups depending upon the ease of cannulation of posterolateral vein for LV lead placement. These 3 groups were further classified as type I, type II, and type III coronary sinuses. CONCLUSIONS: This observational study proposes a new anatomical working classification for CS for purposes of successful LV lead placement and optimal operative success.
This article was published in J Invasive Cardiol and referenced in Anatomy & Physiology: Current Research

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