**Acknowledgements**

The author acknowledges the support of department of interventional radiology, cardiac catheterization lab, and its staff. Special thanks go to Dr. Gireesh Warawadekar, interventional radiologist and past president of the Indian Society of Interventional Radiology, and Dr. Nikhil Karnik, interventional radiologist. Special thanks to all the fellows, clinical associates, and junior consultants in the department of nephrology, Lilavati Hospital, for patient care.
