Dr. S. Thanikchalam

Dr. S. Thanikchalam

Profile (Overview)

  • Dr. S. Thanikchalam is a Cardiologist having more than 46 years of expertise.
  • Services provided by him includes Clinical Cardiology, Preventive Cardiology, Non-Invasive Cardiology, Epidemiological Studies, Clinical Trials & Basic Research on Herbal Medicine, and many more.
  • He earned his MBBS in India from Madras Medical College in 1962, his MD from Madras Medical College in 1967, and his DM from Christian Medical College in 1971.
  • He has participated in several worldwide multicentric pharmacological trials, including the Tufts University School of Remedy’s PURSE-HIS Epidemiological Research and a study on Nuna Kadugu, a Siddha medicine used to treat various skin ailments.
  • He is the recipient of the Medical Council of India’s Dr. B. C. Roy Award, the country’s highest medical honour.
  • Dr. S. Thanikchalam has a huge number of publications in different journals.
  • In 2009, the Indian government honoured him with the Padma Shri, the country’s fourth highest civilian honour, for his achievements to medicine.
  • Dr. S. Thanikchalam is fluent in English, and Tamil.



  • Clinical Cardiology Preventive Cardiology
  • Non-Invasive Cardiology Epidemiological Studies Clinical
  • Trials & Basic Research on Herbal Medicine

Work Experience of Dr. S. Thanikchalam

  • Director, Sri Ramachandra Medical Centre, Chennai


  • DM, 1971, Christian Medical College, India
  • MD, 1967, Madras Medical College
  • MBBS, 1962, Madras Medical College


  • 1997 – Sadhana Award 1998 – Outstanding Teacher of the Decade Awards –K G Hospital, Coimbatore 2000 – Awards for Excellence for the year 1999-2000, Lions Club of Madras Cathedral 2001 – Conferment of the Honorary Degree of Doctor of science (HONORIS CAUSA) by the Esteemed premier University of Tamil Nadu – The Tamil Nadu DR MGR Medical University 2003 – For the Sake of Honour Award – Rotary Club of Madras Shakti 2003 – For the Sake of Honour Award – Rotary Club of Salem 2003 – Dr. B. C. Roy National Award for best teacher by the Honorable President of India 2009 – “Padma Shri Award”, presented by the Honorable President of India 2011 – “Life time Achievement Award”, presented by The Tamil Nadu Dr. MGR Medical University, on the eve of Teachers Day 2011 – “Life time Achievement Award”, presented by The Tamil Nadu Dr. MGR Medical University for the contributions in the field of Cardiology and service to the society Memberships: Indian Academy of Echocardiography. Madras Chapter of Cardiological Society of India Madras Central Branch – IMA. Tamil Nadu& Pondicherry Chapter of Cardiological Society of India

Paper Published

  • Results of Total Correction of Tetralogy of Fallot in Twenty-One Cases, JAPI, Vol18, Page nos 585 – 589, 1970 S.C. Munsi, S. John, T. M. Joseph, D. W. Thomas, B. S. Bhati, I. P. Sukumar, S. Krishnaswami, J. D. McArthur, S. Thanikachalam & G Cherian
  • Selective Left Atrial Cine Angiography in the recognition of Atrial Thrombus, JAPI, vol. 19, page nos 491 – 494, 1971 G. Cherian, S. C. Munsi, S. Krishnaswami, J. B. McArthur, S. Thanikachalam, P. Sukumar, CJohnson, & S. John
  • Congenital absence of the left pericardium, JAPI, Vol 19. page nos 495 – 497, 1971 S. Thanikachalam, J. D. McArthur, & George Cherian
  • Selective Cine Coronary Arteriography, JAPI, vol19, page nos 759-764, 1971 George Cherian, Susil Cmunsi, J.D. McArthur, I. P. Sukumar, S. Krishnaswami & S. Thanikachalam
  • Right Atrial Thrombus following the closure of Atrial Septal Defect, IHJ, Vol. 26, No 1, page nos. 44-46, 1971 S. Thanikachalam, C. P. Nandakumar, G. Cherian, S. John & S Krishnaswami Lymphatic Drainage of the Heart Muscle and pericardial sac in the Dog, IHJ, Vol. 30, No 5, page nos 287- 292, 1976 S Thanikachalam, P. C. Rajaram, A. Namachivayam, Delangovan, T. R. Viswaanathan & C. Lakshmikanthan.
  • Sub-clinical Diabetic Cardiomyopathy – Assessment by systolic time Intervals, JAPI, Vol. 29, page nos 267 – 272, Pril 1981, S. Thanikachalam, C. Lakshmikanthan, Mohan Viswanathan, R. Alagesan, D Elangovan, A Ramachandran & M Viswanathan
  • M-Mode and Two-Dimensional Echocardiographic features of atrial myxoma, IHJ Vol. 34, No 6, page nos 396-399, 1982 C Lakshmikanthan, R Alagesan, B S Ayyappan, A Tajmul Hussain, S Thanikachalam A Sankaran & D Vaidyanathan
  • Right Ventricular Volume estimation by single plane method – Invitro Cas Study, IHJ, Vol35no 4, page nos218-223,1983S Thanikachalam, G Ravindran, G Jayaraman, T R Vishwanathan, D Elangovan, S Ranjan, C Lakshmikandan & P C Rajaram
  • Color Doppler in Obstructive Valvular Disease, Journal of Echocardiography, Vol10,112 -114, 1988, A review article. Natesan G Pandian, S Thanikachalam, D Elangovan
  • Color Doppler in Regurgitant Lesions, Journal of Echocardiography – 1989, A review article. Natesan G Pandian, S. Thanikachalam, D Elangovan
  • The experience of Mitral balloon valvotomy – Fourth Annual Conference of The Indian College of Cardiology-13th –15th June 1997, Hyderabad.
  • Coronary Angiographic Profile in Diabetics Versus Nondiabetics. Research Society for the Study of Diabetes in India, Madras.12th – 14th December 1997
  • A Case of ball valve thrombus, Echocardiography, A Jrnl of CV Ultrasound & Allied Tech , Vol 16, no 2 page Nos 143-145, 1999 S Thanikachalam, G Sengottuvel, Susan George, M Sampath Kumar, R V Shivakumar, K R Balakrishnan, & J S N Murthy case of Ball Valve Thrombus – Echocardiography – A Jrnl.of CV Ultrasound & Allied Tech. 1999: 16:2.
  • Periodontitis as a Risk Factor for Coronary Heart Disease, A case controlled study. Journal of Clinical periodontology – April-2000, S Thanikachalam, India
  • Article published in the International Journal – the Lancet – “Thrombin – specific anticoagulation with Bivalirudin V/s Heparin in patients receiving fibrinolytic Therapy for acute myocardial infarction”: The Hero- 2 Randomized Trial – December 2001 – S Thanikachalam, India
  • Incidence and risk factors of Asymptomatic First Dose Hypertension with Angiotensin Converting Enzyme Inhibitors in Chronic Heart Failure due to Systolic Dysfunction – Indian Heart Journal, Official publication of The Cardiological Society of India: ORIGINAL ARTICLE – Sadagopan Thanikachalam – March –April 2003 Volume 55, no 2.
  • Is it time redefine the Blood Pressure target for the treatment of Hypertension?-Medicographia-Vol 25, No.3, 2003, pages – 243 – S Thanikachalam India
  • The Molecular Aspects of Atherosclerosis, Journal of the atherosclerosis of Physicians of India, Volume 12, pages-153-Feb-2002, S Thanikachalam, India
  • Vascular Endothelium Dysfunction Seeing an Elephant, Journal of the Atherosclerosis of Physician of India, January 2005, S Thanikachalam, India
  • The plain radiographic anticipation of the adequacy of left ventricular size in patients with tetralogy of fallot by studying the level of diaphragmatic domes a new sign.A catheter correlated study of Hundred patients, IJRI,15:1, February 2005, S.Thanikachalam, PC Rajaram, Lakshmikanthan, S Vaidyanathan, N Subramanian
  • Trans-Radial Coronary Angioplasty In Indian Patients – Single Operators Experience, 1st Asian Interventional Cardiovascular Therapeutics, Singapore, 4-6 August 2005
  • Vascular Anatomic Challenges Encountered During Transradial Approach For Coronary Diagnosis And Intervention. 1st Asian Interventional Cardiovascular Therapeutics, Singapore, 4-6 August 2005
  • Ideal Hardware For Selective Coronary Cannulation Using Transradial Approach, 1st Asian Interventional Cardiovascular Therapeutics, Singapore, 4-6 August 2005
  • S. Thanikachalam, Sengottuvelu Gunasekaran, Jain TKallarakkal, Percutaneous Transluminal Coronary Angioplasty by Right Transradial Approach in a Patient with Arteria Lusoria Indian Heart J 2006; 58(4):365-367
  • Thanikachalam et al (2012). Polyphenols in madhumega Cho ora Nam, a Siddha medicine, ameliorates carbohydrate metabolism and oxidative stress in type II diabetic rats. Journal of Ethnopharmacology, 2012, Volume: 142, 331–336
  • Thanikachalam et al (2012). Prevalence of vascular stiffness, a marker of future vascular events in age-matched population in normal population versus hypertension population and diabetic population Circ: 2012, 125, 73-74.
  • Thanikachalam et al (2012). Prevalence of risk factors for coronary artery disease in the middle-income group in South Indian population, Circ: 2012, 125, 7374.
  • Thanikachalam et al (2011). A Comprehensive study on a polyherbal Siddha Compound on Plasma Glucose and Serum Lipids in South Indian Population. Planta Medica, Journal of Medicinal Plant and Natural Product Research, March 2011:77(5):553
  • Thanikachalam et al (2014). Population Study of Urban, Rural and Semiurban Regions for the Detection of Endovascular Disease and Prevalence of Risk Factors and Holistic Intervention Study (PURSE-HIS): Rationale, Study Design and Baseline Characteristics. Accepted in The Global Heart Journal
  • Thanikachalam et al. (2014). Efficacy and Safety Profile of Siddha Compound Madhumega Choornam (MMC) in Type II Diabetic Patients. International Journal for Pharmaceutical Research Scholars, 3(1), 322-329
  • Thanikachalam et al (2014). Venthamarai Chooranam, a Siddha medicine, alleviates hypertension via AT1R and eNOS signaling pathway in renovascular hypertensive rats American. Accepted in Experimental Biology and Medicine
  • Thanikachalam, S. Harivanzan, V. Ramasamy, S. McEniery, C.M. Impact of urban versus rural environment on central blood pressure, aortic stiffness and wave reflections: The PURSE HIS study Artery Research vol. 5 issue 4 December 2011. P. 143-144. DOI: 10.1016/j.artres.2011.10.223. ISSN: 1872-9312.
  • Thanikachalam, M. Bai, S. Harivanzan, V. Shoben, A. Baliga, R.R. Thanikachalam, S. Gender-Specific Plasma Triglyceride/High-Density Lipoprotein Cholesterol Concentration Ratio Levels to identify Insulin Resistance and Associated Cardio-Metabolic Risk Factors in a South Asian Population. Canadian Journal of Cardiology vol. 29 issue 10 October 2013. P. S319-S320 DOI: 10.1016/j.cjca.2013.07.537.ISSN:0828-282X.
  • Principal Components Analysis in a South Asian Population: Cardiovascular Risk Variable Clustering and Obesity AHA Scientific Sessions (Submitted) – 2013
  • PURSE-HIS Study Publications
  • S. Bai, I. Agustsson, V. Harivanzan, L. Krakoff, and S. Thanikachalam. Age-Dependent Impact of Obesity on Aortic Stiffness Circulation. 2013;128:A16679
  • V. Harivanzan, R. Baliga, W.T. Abraham, S. Thanikachalam. Geographical Location and Gender are Predictors of Elevated High-Sensitive C-Reactive Protein (hsCRP) Levels and the Levels Strongly Correlate with Metabolic Syndrome (MetS) in a South Asian Population. Arteriosclerosis, Thrombosis, and Vascular Biology 2013;33: A200
  • S. Bai, V. Harivanzan, R. Baliga, W.T. Abraham, S. Thanikachalam. Obesity Is An Independent Predictor Of Arterial Stiffness. Hypertension 2013; 62: A412
  • S. Bai, A. Shoben, V. Harivanzan, R.R. Baliga, S. Thanikachalam, Gender-Specific Plasma Triglyceride/High-Density Lipoprotein Cholesterol Concentration Ratio Levels to Identify Insulin Resistance and Associated Cardio-Metabolic Risk Factors in a South Asian Population. Canadian Journal of Cardiology 2013; 29: 10, S319-S320.
  • A. Must, M. Begum, V. Hivaarnzan, K. Chui, V. Chomitz, O. Bermudez, S. Thanikachalam. The components of metabolic syndrome in relation to weight status in South Indians. FASEB J April 9, 2013, 27:1055.15
  • K.K.H. Chui, K. Mahalakshmi, V. Harivanzan, A. Must, O. Bermudez, V. Chomitz, S. Thanikachalam. Association between stressful live events and alcohol consumption among South Indians: findings of a population-based cross-sectional survey. FASEB J April 9, 2013, 27:845.3
  • V. R. Chomitz, S. SPrabhu, S. Thanikachalam, V. Harivanza, K.K.H. Chui, A. Must, O. Bermudez, Physical activity and sedentary behavior in South Indian adults: Urbanicity, gender, and obesity. FASEB J April 9, 2013, 27:1055.27.

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Dr. S. Thanikchalam

Cardiology Cardiac Surgeon

About Doctor
List of Treatments
  • Arrhythmia Treatment with Ablation and Pacemakers
  • Coronary Artery Surgery
  • Congestive Heart Failure (CHF) Treatment
  • Cardiac OPD Procedures
  • ECG-Treadmill Test TMT
  • 24 Hour Holter Monitoring
  • Ambulatory BP Monitoring (ABPM)
  • Echocardiography with Color Doppler
  • Stress Echocardiographyn
  • Myocardial Perfusion Imaging (MPI) Test
  • Thallium Test – Nuclear Stress Test
  • 64 Slice CT Angiography
  • PET Scan
  • Off Pump beating CABG LV restoration
  • surgery
  • Valve Repair Replacement
  • Atrial Fibrillation Surgery
  • Ross Procedure
  • Cardiac Tumour Treatment
  • Aortic Dissection Repair Surgery
  • Minimal access surgeries for valves
  • ASD (Atrial Septal Defect) Closure
  • Neonatal and Infant cardiac surgeries
  • Complex congenital heart surgeriesg
  • TAPVC – Total Anomalous Pulmonary Venous Connection Repair Arterial Switch
  • Single Ventricle Defects Surgery
  • ECMO Support
  • heart disease
  • Device Closure- ASD VSD
  • Balloon Septostomy
  • Balloon Valvuloplasty – Aortic
  • Pulmonary and Mitral
  • Fetal Echocardiogram
  • Coronary Angiogram
  • Peripheral Angiogram
  • PTCA-Percutaneous Transluminal
  • Coronary Angioplasty
  • Aortic Stent Grafting
  • EPS-Electrophysiological
  • Radiofrequency Ablation
  • PPI-Permanent Pacemaker Implant – Single Chamber
  • Biventricular Pacing
  • AICD
  • PTMC – Percutaneous Transvenous Mitral Commissurotomy
  • Heart Bypass Surgery (CABG)
  • Angiography
  • Aortic Valve Replacement
  • Mitral Valve Replacement
  • VSD Closure (Adult) Surgery
  • Heart Double Valve Replacement
  • PPI-Permanent Pacemaker Implant – Double Chamber
  • CRT- D Implant (Cardiac Resynchronization Therapy)
  • PDA Device Closure
  • Single Bypass and Valve Replacement
  • Valve Replacement
  • Congenital Heart Disorder CHD
  • Heart Bypass – Minimally Invasive CABG
  • Heart Implants
  • Heart Surgery
  • Rotational Atherectomy
  • Redo CABG
  • Angioplasty – 1 Stent
  • Angioplasty – 2 Stent
  • Aortic Valve replacement – Mechanical Valve
  • Aortic Valve replacement – Tissue Valve
  • Mitral Valve replacement – Mechanical Valve
  • Mitral Valve replacement – Tissue Valve
  • Aortic Valve Repair
  • Mitral Valve Repair
  • VP Shunting – Programmable Device
  • AV Canal repair
  • Bentall procedure
  • PDA Ligation
  • CRT – D (MRI Compatible)
  • CRT – D (MRI Non-Compatible)
  • CRT – P
  • Transarterial Radioembolization – TARE
  • ICD Implantation
  • Cardiac catheterization
  • Balloon mitral valvotomy
  • Truncus Arterious Repair
  • Cardiac ablation
  • TAVI
  • LVAD
Work Experience of Dr. S. Thanikchalam
Paper Published
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