CARDIAC ELECTROPHYSIOLOGY
& PACING
(Cardiology Unit IV) - CMC VELLORE
Treating Abnormal Heart Rhythms
We were the first to describe the buddy catheter technique in 2008​
-John Roshan, Purendra Kumar Pati, Yash Lokhandwala. Buddy catheter – To overcome difficulty in coronary sinus cannulation. Indian Heart Journal 2008; 60: 67-68.​
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We ​did the first ICD lead extraction using the Tight rail device 25-9-2017
-Cardiovascular implantable electronic device lead removal in a resource-constrained setting: A single-center experience from India Dec 18, 2019 Indian Pacing And Electrophysiology Journal Sakshi Parasrampuria, Sirish Chandra Srinath Patloori, Reka Karuppusami, David Chase, John Roshan
We have the first electro-physiologist in the country who has done a pediatric electrophysiology fellowship.
-Dr. John Roshan who has trained in SickKids, Toronto Canada helps handle pediatric ep cases referred from within the country and abroad.
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The first esophageal EP study in neonates done on 13-8-2014
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The first VT ablation involving activation mapping done with ECMO support 22-11-2016
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The first MICRA pacemaker implantation in a patient with prior mitral valve replacement and tricuspid valve annuloplasty was done on 8-09-2022.
We did the first zero fluoroscopy AVNRT ablation in the country
​-Done on 10-5-2017[ Lahiri A, Srinath SC, Chase D, Roshan J. Zero fluoroscopy radiofrequency ablation for typical AV nodal reentrant tachycardia. Indian Pacing Electrophysiology Journal 2017 Nov- Dec;17[6]:180-182]
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We did the first zero fluoroscopy VT ablation in the country
​-Done on 12-10-2017[ Lahiri A, Srinath SC, Roshan J. Radiofrequency ablation of recurrent, drug-refractory left posterior fascicular ventricular tachycardia in a pregnant lady without the use of fluoroscopy. IPEJ 2019 May-Jun;19(3):119-124]