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dr.-refai-showkathali
Dr Refai Showkathali
Cardiac Sciences : Interventional Cardiology
Experience: 22+ Years
Education: MBBS, MRCP(UK), FRCP(Lon),CCT in Cardio(UK), FACC(USA), Fellowship in TAVI (Lon),FESC(Eur)
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English Hindi Tamil Malayalam
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09:00 -17:00 Mon-Sat
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About Dr Refai Showkathali

Dr. Refai Showkathali is a distinguished interventional cardiologist with an impressive 24 years of experience in the field of cardiology. Currently practicing at Apollo Hospitals in Chennai, Tamil Nadu, Dr. Refai comes with a wealth of knowledge garnered through specialized training and fellowships from the United Kingdom. His expertise encompasses a broad range of advanced interventional procedures, including CHIP-PCI (for cardiogenic shock and mechanical circulatory support devices such as Impella, ECMO), Left Main PCI, and a variety of complex coronary and structural interventions. Dr. Refai employs cutting-edge techniques such as Zero (Ultra low) contrast PCI, Bifurcation PCI, Calcium modification such as Rotablation, Orbital atherectomy, LASER and IVL therapy, Post bypass stenting, CTO, Drug coated Balloons, skillfully performed via radial access for patient comfort and safety. With profound specialization in coronary imaging and physiology, including OCT, IVUS, and FFR, he is well-equipped to manage intricate cardiac cases. His competencies extend to TAVI, Mitraclip, TMVR, TRIC valve implantation of devices like permanent pacemakers including leadless pacemaker, AICDs, CRT, conduction system pacing. Additionally, he has expertise in atrial and ventricular septal device closure, PFO, and Left Atrial Appendage closure. He holds the distinction of performing the first RDN (renal denervation) procedure for uncontrolled hypertension with “Simplicity Catheter” in Tamil Nadu. Dr. Refai is also a staple of academic advancement, holding a professorship at the Apollo Hospitals Educational and Research Foundation and contributing significantly as an examiner for the MRCP PACES exam conducted by the Royal College of Physicians in London. His impactful research dimmed alongside multiple fellowships and serving on the editorial boards of various international cardiology journals. Recognized for his contributions, he was awarded the Academic Research Poster Award in 2011. Fluent in several languages, including English, Hindi, Tamil, Telugu, Malayalam, and Urdu, Dr. Refai Showkathali stands out as a compassionate and skillful cardiologist dedicated to enhancing cardiac health and improving patient outcomes.

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Experience
  • Currently Working as Senior Consultant Interventional Cardiology at Apollo Hospitals Greams road Chennai
  • SEPT 2013 - JUNE 2014: Interventional Cardiologist The Essex Cardiothoracic Centre, Essex, UK       
  • OCT 2012 - SEPT 2013: Post CCT Senior TAVI/Structural Interventional FellowKing’s College Hospital, London.
  • AUG 2007 - OCT 2012: Specialist Training (ST) rotation – Cardiology (Intervention) East of England Deanery 

Special interest

Dr.Refai Showkathali specializes in Advanced Interventional Cardiology, encompassing both advanced coronary and structural heart interventions. He has extensive experience in managing a wide spectrum of cardiac conditions, including:

  • Coronary Artery Disease (such as heart attacks)
  • Valvular Heart Disease
  • Heart Failure, including cardiomyopathies
  • Cardiac Rhythm Disorders

His expertise includes performing a full range of Percutaneous Coronary Interventions (PCI)—from routine procedures to the most complex cases—including:

  • Primary PCI for ST-elevation myocardial infarction (acute heart attack)
  • Chronic Total Occlusion (CTO) Angioplasty using advanced techniques like CrossBoss and Stingray systems
  • Rotablation (rotational atherectomy for heavily calcified arteries)
  • Bifurcation Stenting and Left Main Stem (LMS) Stenting
  • Bio-absorbable Vascular Scaffold (BVS) Deployment
  • Dedicated Bifurcation Stenting (e.g., Tryton stents)
  • Drug-Eluting Balloon (DEB) Angioplasty
  • Intravascular imaging and diagnostic tools:
    • Intravascular Ultrasound (IVUS)
    • Optical Coherence Tomography (OCT)
    • Fractional Flow Reserve (FFR) using pressure wire
  • Mechanical Thrombectomy for clot removal
  • Use of Proximal and Distal Protection Devices
  • Saphenous Vein Graft (SVG) Stenting
  • Procedures via both radial and femoral access, with a strong preference for radial approach even in complex cases

He is also proficient in structural heart interventions, including:

  • TAVI (Transcatheter Aortic Valve Implantation)
  • Pacemaker and ICD (Implantable Cardioverter Defibrillator) Implantation
  • ASD (Atrial Septal Defect) Closure

Memberships

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British Cardiovascular society (BCS)
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British Cardiovascular Intervention Society (BCIS)
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European Association of Percutaneous cardiovascular intervention (EAPCI)
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American Heart Association (AHA)

Awards & Achievements

Successfully performed “World’s first Renal denervation procedure” in ectopic kidneys (left kidney on right side) with Medtronic Simplicity Spyral RDN catheter on 30 April 2024.
2024
April 30, 2024
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Performed India’s first transradial (via wrist) rotablation with the new Rotapro device for left main stem PCI on 25 April 2022 in a 74-year-old male patient.
2022
April 22, 2022
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Successfully performed TRIC Valve implantation for severe tricuspid regurgitation for a 70-year-old patient in February 2024, who already had two prosthetic heart valves.
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Performed first Renal denervation procedure with Simplicity Spyral denervation catheter in Tamil Nadu and the oldest patient to undergo this procedure in India (73 years) in September 2023.
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First to perform successful transradial rotablation PCI in a nonagenarian (93-year-old) in South India in 2018.
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2012 Winner of Academic Poster of the Year Award – East of England Deanery
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2011 “Runner-up” Research Proposal of the Year Award – East of England Deanery
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First time in India to perform “Micra” leadless pacemaker and “Orbital atherectomy” guided PCI for the same patient.
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First to perform Intravascular Lithotripsy (IVL) in left main artery with IABP support and complex DK crush technique angioplasty in India for a live case demonstration.
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First to perform bi-radial Chronic Total Occlusion (CTO) PCI technique of 100% blocked artery retrogradely in India.
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He regularly presents complex cardiac cases at international conferences, some of which have been selected as best cases at SCAI and EURO PCR.
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The Fellowship of The American College of Cardiology (FACC)
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The Fellowship of The Royal College of Physicians (London)- FRCP
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The Fellowship of European Society of Cardiology (FESC)
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Research & Publications

01
Acute Haemodynamic changes after balloon aortic valvuloplasty (BAV) and transcatheter aortic valve implantation (TAVI). (King’s College Hospital, London
02
Observational study aimed to define the immediate haemodynamic changes after BAV and TAVI and to identify the mechanism of observed LV impairment
03
Co-investigator in the following TAVI related studies: (King’s College Hospital Sapien-3 (Edwards) Valve PORTICO valve JENNA valve
04
Risk scoring model for heart failure (Pilot study): (The Essex CTC)
05
Small pilot study of 150 patients to try and develop a model for risk scoring to predict mortality and re-admission within 30 days of index admission in patients with heart failure.
06
The use of Embolic deflector device in TAVI. Refai Showkathali, R Dworakowski, J Byrne, P MacCarthy, London. IHJ Case reports 2016 Valve in Valve implanatation to prevent prosthetic valve migration in TAVI. R Showkathali, R Dworakowski, P MacCarthy, IHJ 2015
07
Incidental findings during TAVI work-up: More than just an inconvenience. - Original article Refai Showkathali, Arup Sen, Rafal Dwarakowski, Beth Brickham, Olaf Wendler, Philip MacCarthy. King’s College Hospital, London.Eurointervention 2014 Jun 28. pii: 20130626-03. doi: 10.4244/EIJY14M06
08
Should primary percutaneous coronary intervention be the routine reperfusion strategy in octogenarians presenting with ST elevation myocardial infarction? Refai Showkathali, Edney Boston-Griffiths, Michael Parker, John R Davies, Gerald J Clesham, Jeremy W Sayer, Paul A Kelly, Rajesh K Aggarwal. The Essex CTC, UK J Cardiovasc Med. 2014; 15(1):53-9
09
Comparison of Bivalirudin with Heparin versus Abciximab with Heparin for primary percutaneous coronary intervention in "real-world" practice. Refai Showkathali, John R Davies, Michael Parker, Wasing Taggu, Kare H Tang, Gerald J Clesham, Reto A Gamma, Jeremy W Sayer, Rajesh K Aggarwal, Paul A Kelly. Cardiovasc Revasc Med. 2013 14(5):289-93
10
The advantages of a consultant led primary percutaneous coronary intervention service on patient outcome.Refai Showkathali, John R Davies, Jeremy W Sayer, Paul A Kelly, Rajesh K Aggarwal, Gerald J Clesham. The Essex Cardiothoracic centre, UK QJM. 2013 Jun 29.
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Radio frequency ablation of arrhythmias guided by non-fluoroscopic catheter location: A prospective randomized trial. Mark J Earley, Refai Showkathali, Maysaa Alzetani, Peter M Kistler, Dhiraj Gupta, Dominic J Abram, Julie A Horrocks, Stuart Harris, Simon C Sporton, Richard J Schilling. Eur. Heart J. 2006 May; 27:1223 – 1229
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Right atrial flutter isthmus ablation is feasible and results in acute clinical improvement in patients with persistent atrial flutter and severe pulmonary arterial hypertension Refai Showkathali, Muzahir H. Tayebjee, Julia Grapsa, Maysaa Alzetani, Petros Nihoyannopoulos, Luke S Howard, David C Lefroy, J Simon R Gibbs. Hammersmith Hospital Int J Cardiol. 2011; 149(2):279-80
13
Multi-disciplinary clinic: Next step in “Heart team” approach for TAVI.
14
Refai Showkathali, Raj Chelliah, Beth Brickham, Rafal Dworakowski, Emma Alcock, Ranjit Deshpande, Olaf Wendler, Philip MacCarthy, Jonathan Byrne.
15
Should primary percutaneous coronary intervention be the routine reperfusion strategy in octogenarians presenting with ST elevation myocardial infarction?
16
Refai Showkathali, Edney Boston-Griffiths, Michael Parker, John R Davies, Gerald J Clesham, Jeremy W Sayer, Paul A Kelly, Rajesh K Aggarwal. The Essex CTC, UK
17
J Cardiovasc Med. 2014; 15(1):53-9
18
Typical Takotsubo Cardiomyopathy in ST elevation myocardial infarction patients admitted for primary percutaneous coronary intervention.- Original article
19
Refai Showkathali, Hetalkumar Patel, Anil Ramoutar, Alamgir M Kabir, Jeremy W Sayer, Gerald J Clesham, Rajesh K Aggarwal, Paul A Kelly.
20
Eur J Intern Med. 2013 Oct 3. doi:pii: S0953-6205(13)00942-4. 10.1016/j.ejim.2013.09.004
21
Comparison of Bivalirudin with Heparin versus Abciximab with Heparin for primary percutaneous coronary intervention in "real-world" practice.
22
Refai Showkathali, John R Davies, Michael Parker, Wasing Taggu, Kare H Tang, Gerald J Clesham, Reto A Gamma, Jeremy W Sayer, Rajesh K Aggarwal, Paul A Kelly.
23
Cardiovasc Revasc Med. 2013 14(5):289-93
24
Current case mix and results of catheter ablation of regular supraventricular tachycardia: are we giving unrealistic expectation to patients?
25
Refai Showkathali, Mark J Earley, Maysaa Alzetani, Stuart Harris, Dhiraj Gupta, Peter Kistler, Simon Sporton, Anthony W Nathan, Richard J Schilling.
26
Europace. November 2007; 9(11): 1064 – 1068
27
Radio frequency ablation of arrhythmias guided by non-fluoroscopic catheter location: A prospective randomized trial.
28
Mark J Earley, Refai Showkathali, Maysaa Alzetani, Peter M Kistler, Dhiraj Gupta, Dominic J Abram, Julie A Horrocks, Stuart Harris, Simon C Sporton, Richard J Schilling.Eur. Heart J. 2006 May; 27:1223 – 1229
29
Takotsubo Cardiomyopathy: a short review.Shahbaz Roshanzamir, Refai Showkathali.Curr Cardiol Rev. 2013;9 (3): 191-6
30
Rosuvastatin calcium in acute coronary syndromes.Rajesh Aggarwal, Refai Showkathali.Expert Opin Pharmacother. 2013 Jun;14(9):1215-27
31
Antiplatelet and Antithrombin Strategies in Acute Coronary Syndrome: State-Of-The-Art Review.Refai Showkathali, Arun Natarajan.Curr Cardiol Rev. 2012;8: 239-49
32
Echocardiography and the critically ill patient.Refai Showkathali, Derek Hausenloy. Hammersmith Hospital, London Current Anaes and Critical Care 2006- Volume 17, Issues 3-4: 237-244
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He regularly presents research papers in International Cardiology conferences in UK, Europe and USA. He has published extensively in the field of cardiology with more than 50 peer reviewed publications in renowned International Journals, most of which are first or lead author. He also regularly review manuscripts for various cardiology and general medical journals from UK, Europe and USA (Heart, Open Heart, Eurointervention, Indian Heart journal, “Current cardiology review” etc within the last one year)

Doctor Location

Apollo Hospitals, Greams Road, Chennai
Greams Lane, 21, Greams Rd, Thousand Lights West, Thousand Lights, Chennai, Tamil Nadu 600006

FAQs

Q: Where does Dr. Refai Showkathali practice?
Dr. Refai Showkathali currently practices at Apollo Hospitals, Greams Road, located in Chennai.
Q: Who is Dr. Refai Showkathali?
Dr. Refai Showkathali is a highly experienced Cardiologist with 22 years of expertise in the field. He is known for providing exceptional patient care and advanced medical treatments. He also treats conditions such as Barth Syndrome, Preventive Care Of Heart Lung Diseases.
Q: Why do patients choose Dr. Refai Showkathali?
Patients trust Dr. Refai Showkathali for he expertise, patient-centric approach, and commitment to providing the highest standard of care. He is well-versed in the latest medical advancements and ensures personalized treatment for every patient.
Q: What is Dr. Refai Showkathali’s specialization?
Dr. Refai Showkathali specializes in Cardiology, with expertise in treating conditions such as Acute Aortic Dissection, Acute Pericarditis, Dilated Cardiomyopathy, and Restrictive Cardiomyopathy.
Q: What are Dr. Refai Showkathali’s medical qualifications?
Dr. Refai Showkathali holds prestigious qualifications, including MBBS, MRCP(UK), FRCP(Lon),CCT in Cardio(UK), FACC(USA), Fellowship in TAVI (Lon),FESC(Eur).
Q: How many years of experience does Dr. Refai Showkathali have?
Dr. Refai Showkathali has 22 years of experience in the medical field, treating various conditions related to Cardiology.
Q: How can I book an appointment with Dr. Refai Showkathali?
You can book an appointment with Dr. Refai Showkathali through: Online: Visit https://www.apollohospitals.com/book-doctor-appointment/ to schedule an appointment.
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