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Dr. Praveen Varma

Head of Department | Professor, Department of Cardiovascular and Thoracic Surgery (C.V.T.S.), School of Medicine, Kochi

Qualification: MCh, MS
praveenv21204@aims.amrita.edu

Bio

Dr. Praveen Varma currently serves as Clinical Professor & Head at the Department of Cardiovascular and Thoracic Surgery (C.V.T.S.), School of Medicine, Kochi.

QUALIFICATION : MS (General Surgery), MCh (CVTS)

Publications

Journal Article

Year : 2022

Flip-flopping atrial septal occluder in the heart

Cite this Research Publication : Gopal K, Chandrasekharan R, Varma PK. Flip-flopping atrial septal occluder in the heart [published online ahead of print, 2020 Nov 17]. Eur Heart J. 2020;ehaa950. doi:10.1093/eurheartj/ehaa950

Year : 2022

Do alternative approaches work in surgical septal myectomy?

Cite this Research Publication : Varma PK, Krishna N, Jose R, Gopal K, Ahamed H. Do alternative approaches work in surgical septal myectomy?. Asian Cardiovasc Thorac Ann. 2022; 30(1): 84-91. doi:10.1177/02184923211025396

Year : 2022

Aortic root widening: “pro et contra”

Cite this Research Publication : Srimurugan B, Krishna N, Jose R, et al. Aortic root widening: “pro et contra”, Indian Journal of Thoracic and Cardiovascular Surgery, 2022;38:91–100. https://doi.org/10.1007/s12055-020-01125-6

Year : 2021

Different Forms of Chitosan and Its Derivatives as Hemostatic Agent and Tissue Sealants

Cite this Research Publication : Nivedhitha Sundaram M., Aathira Pradeep, Dr. Praveen Varma, and Dr. Jayakumar Rangasamy, “Different Forms of Chitosan and Its Derivatives as Hemostatic Agent and Tissue Sealants”, Advances in Polymer Science, vol. 288, pp. 1-28, 2021.

Publisher : Advances in Polymer Science, Springer,

Year : 2021

Reconstructive Mitral Valve Surgery

Cite this Research Publication : Dr. Praveen Varma, “Reconstructive Mitral Valve Surgery”, 2021.

Publisher : Evangel Publication

Year : 2021

Validity of Transesophageal echocardiography in estimating left ventricular filling pressures in anaesthetised patients undergoing cardiac surgery

Cite this Research Publication : Dr. Praveen Varma, Vanga, S., Jayant, A., and Balachandran1, R., “Validity of Transesophageal echocardiography in estimating left ventricular filling pressures in anaesthetised patients undergoing cardiac surgery”, 2021.

Publisher : (2021)

Year : 2021

Mitral Annular Disjunction: A Serendipitous Discovery by Intraoperative Transesophageal Echocardiography

Cite this Research Publication : Dr. Praveen Varma, Madathil, T., BabuVanga, S., Jose, R. Liza, Gangadharan, G., Jayanth, A., and Perier, P., “Mitral Annular Disjunction: A Serendipitous Discovery by Intraoperative Transesophageal Echocardiography”, Journal of Cardiothoracic and Vascular Anesthesia, 2021.

Publisher : Journal of Cardiothoracic and Vascular Anesthesia,

Year : 2021

Vasoconstrictor and coagulation activator entrapped chitosan based composite hydrogel for rapid bleeding control

Cite this Research Publication : N. M. Sundaram, Ullas Mony, Dr. Praveen Varma, and Dr. Jayakumar Rangasamy, “Vasoconstrictor and coagulation activator entrapped chitosan based composite hydrogel for rapid bleeding control”, Carbohydrate Polymers, vol. 258, 2021.

Publisher : Carbohydrate Polymers

Year : 2021

Bleeding complications after dual antiplatelet therapy with ticagrelor versus dual antiplatelet therapy with clopidogrel—a propensity-matched comparative study of two antiplatelet regimes in off-pump coronary artery bypass grafting

Cite this Research Publication : 14. Varma PK, Ahmed H, Krishna N, et al. Bleeding complications after dual antiplatelet therapy with ticagrelor versus dual antiplatelet therapy with clopidogrel-a propensity-matched comparative study of two antiplatelet regimes in off-pump coronary artery bypass grafting. Indian Journal of Thoracic and Cardiovascular Surgery. 2021;37(1):27-37. doi:10.1007/s12055-020-01052-6

Year : 2021

Recent developments in controlling sternal wound infection after cardiac surgery and measures to enhance sternal healing

Cite this Research Publication : Aathira Pradeep, Dr. Jayakumar Rangasamy, and Dr. Praveen Varma, “Recent developments in controlling sternal wound infection after cardiac surgery and measures to enhance sternal healing”, Medicinal Research Reviews, vol. 41, pp. 709-724., 2021.

Publisher : Medicinal Research Reviews,

Year : 2021

Posterior mitral leaflet plication with extended septal myectomy for hypertrophic obstructive cardiomyopathy

Cite this Research Publication : Dr. Praveen Varma, Kirun Gopal, Ahamed, H., and Vanga, S. Babu, “Posterior mitral leaflet plication with extended septal myectomy for hypertrophic obstructive cardiomyopathy”, IIndian J Thorac Cardiovasc Surg (2021). https://doi.org/10.1007/s12055-021-01213-1

Year : 2021

Disappearing left atrial appendage clot—the need for a more meticulous search

Cite this Research Publication : Dr. Praveen Varma, Kirun Gopal, and Vanga, S. Babu, “Disappearing left atrial appendage clot—the need for a more meticulous search”, Indian Journal of Thoracic and Cardiovascular Surgery, Springer, 2021;37(4):467-468. doi:10.1007/s12055-021-01154-9

Publisher : Springer

Year : 2021

Surgical challenges in retrieval of an embolized transcatheter valve from the aorta

Cite this Research Publication : Gopal K, Madathil T, Varma PK. Surgical challenges in retrieval of an embolized transcatheter valve from the aorta, Annals of Thoracic Surgery (2021), doi: https:// doi.org/10.1016/j.athoracsur.2021.02.024.

Publisher : Elsevier, ScienceDirect

Year : 2021

Repair of ascending aorta pseudoaneurysm presenting as a chest wall swelling

Cite this Research Publication : Gopal K, Jose R, Jose RL, Varma PK. Repair of ascending aorta pseudoaneurysm presenting as a chest wall swelling. Asian Cardiovasc Thorac Ann. 2021;29(3):226-226. doi:10.1177/0218492320965793

Year : 2020

Pacemakers-“an infernal machine that interferes with the will of god”.

Cite this Research Publication : Dr. Praveen Varma, “Pacemakers-"an infernal machine that interferes with the will of god".”, Ann Card Anaesth, vol. 23, no. 4, pp. 530-531, 2020.

Publisher : Ann Card Anaesth

Year : 2020

Abnormal mitral valve apparatus is not an indication for mitral valve replacement in hypertrophic obstructive cardiomyopathy

Cite this Research Publication : Dr. Praveen Varma and Ahamed, H., “Abnormal mitral valve apparatus is not an indication for mitral valve replacement in hypertrophic obstructive cardiomyopathy”, Annals of Cardiac Anaesthesia, vol. 23, no. 2, pp. 246-247, 2020.

Publisher : Annals of Cardiac Anaesthesia

Year : 2020

Cardiac surgery during the times of COVID-19

Cite this Research Publication : Gopal, K., Varma, P.K. Cardiac surgery during the times of COVID-19. Indian J Thorac Cardiovasc Surg 36, 548–549 (2020). https://doi.org/10.1007/s12055-020-01006-y

Publisher : Springer

Year : 2020

Innate Lymphoid Cells: Potent Early Mediators of the Host Immune Response During Sepsis

Cite this Research Publication : Theertha M., S., S., Priya, V. V., Jain, P., Dr. Praveen Varma, and Dr. Ullas Mony, “Innate Lymphoid Cells: Potent Early Mediators of the Host Immune Response During Sepsis”, Cellular and Molecular Immunology, 2020.

Publisher : Cellular and Molecular Immunology

Year : 2019

Successful surgical repair of aorto-esophageal fistula due to fish-bone ingestion

Cite this Research Publication : L. Sreedharan, Neethu Krishna, Gopalakrishnan, U., and Dr. Praveen Varma, “Successful surgical repair of aorto-esophageal fistula due to fish-bone ingestion”, Indian J Thorac Cardiovasc Surg, vol. 35, no. 1, pp. 68 - 70, 2019.

Publisher : Indian J Thorac Cardiovasc Surg,

Year : 2019

Patients who develop post-operative atrial fibrillation have reduced survival after off-pump coronary artery bypass grafting

Cite this Research Publication : A. Ghurram, Krishna, N., Renjitha Bhaskaran, Kumaraswamy, N., Jayant, A., and Dr. Praveen Varma, “Patients who develop post-operative atrial fibrillation have reduced survival after off-pump coronary artery bypass grafting”, Indian Journal of Thoracic and Cardiovascular Surgery, vol. 36, no. 1, pp. 6–13, 2019.

Publisher : Indian Journal of Thoracic and Cardiovascular Surgery

Year : 2019

Injectable Nano Whitlockite Incorporated Chitosan Hydrogel for Effective Hemostasis

Cite this Research Publication : N. M. Sundaram, Kalyani, E., Amirthalingam Sivashanmugam, Dr. Ullas Mony, Dr. Praveen Varma, and Dr. Jayakumar Rangasamy, “Injectable Nano Whitlockite Incorporated Chitosan Hydrogel for Effective Hemostasis”, ACS Applied Bio Materials, vol. 2, pp. 865-873, 2019.

Publisher : ACS Applied Bio Materials

Year : 2019

Injectable chitosan-nano bioglass composite hemostatic hydrogel for effective bleeding control

Cite this Research Publication : N. M Sundaram, Amirthalingam, S., Dr. Ullas Mony, Dr. Praveen Varma, and Dr. Jayakumar Rangasamy, “Injectable Chitosan-nano Bioglass Composite Hemostatic Hydrogel for Effective Bleeding Control”, International Journal of Biological Macromolecules, vol. 129, pp. 936-943, 2019.

Publisher : International Journal of Biological Macromolecules

Year : 2019

Female Gender is not a Risk Factor for Early Mortality after Coronary Artery Bypass Grafting.

Cite this Research Publication : A. Gurram, Neethu Krishna, Anu Vasudevan, Baquero, L. Alberto, Aveek Jayant, and Dr. Praveen Varma, “Female Gender is not a Risk Factor for Early Mortality after Coronary Artery Bypass Grafting.”, Ann Card Anaesth, vol. 22, no. 2, pp. 187-193, 2019.

Publisher : Ann Card Anaesth

Year : 2019

Early and Mid-Term Outcomes of Patients Undergoing Coronary Artery Bypass Grafting in Ischemic Cardiomyopathy.

Cite this Research Publication : Rajesh Jose, Shetty, A., Neethu Krishna, Chathoth, V., Renjitha Bhaskaran, Aveek Jayant, and Dr. Praveen Varma, “Early and Mid-Term Outcomes of Patients Undergoing Coronary Artery Bypass Grafting in Ischemic Cardiomyopathy.”, J Am Heart Assoc, vol. 8, no. 10, p. e010225, 2019.

Publisher : J Am Heart Assoc

Year : 2019

Detection of Dysregulated Host Response By Flow Cytometry May Pre-Empt Early Diagnosis of Sepsis after Cardiac Surgery

Cite this Research Publication : Dr. Ullas Mony, S., S., Jain, P., K., S., Sebastian, A., Theertha M., Dr. Neeraj Siddarthan, and Dr. Praveen Varma, “Detection of Dysregulated Host Response By Flow Cytometry May Pre-Empt Early Diagnosis of Sepsis after Cardiac Surgery”, Blood, vol. 134, pp. 4863-4863, 2019.

Publisher : Blood

Year : 2019

Coarctation of aorta aneurysm with aberrant right subclavian artery and single carotid artery: Surgical and perfusion strategies.

Cite this Research Publication : B. Kavumkal Rajagopalan, Rajesh Jose, Kader, N. Puthukudiy, and Dr. Praveen Varma, “Coarctation of aorta aneurysm with aberrant right subclavian artery and single carotid artery: Surgical and perfusion strategies.”, J Thorac Cardiovasc Surg, vol. 157, no. 1, pp. e17-e19, 2019.

Publisher : J Thorac Cardiovasc Surg

Year : 2018

A Case Series and Review of Endocarditis from India.

Cite this Research Publication : A. Gopinathan, Anil Kumar, Sen, A. C., Sudha, S., Dr. Praveen Varma, Gs, S., Eapen, M., and Dinesh, K. R., “A Case Series and Review of Endocarditis from India.”, Open Microbiol J, vol. 12, pp. 28-33, 2018.

Publisher : Open Microbiol J,

Year : 2018

Transcatheter aortic valve replacement: Role of anesthesiologists.

Cite this Research Publication : Dr. Praveen Varma and Neethu Krishna, “Transcatheter aortic valve replacement: Role of anesthesiologists.”, Ann Card Anaesth, vol. 21, no. 3, pp. 285-286, 2018.

Publisher : Ann Card Anaesth

Year : 2018

Rationale for change in the criteria for defining severe ischemic mitral regurgitation in 2017 American College of Cardiology/American Heart Association guidelines

Cite this Research Publication : R. Liza Jose and Dr. Praveen Varma, “Rationale for change in the criteria for defining severe ischemic mitral regurgitation in 2017 American College of Cardiology/American heart association guidelines.”, Ann Card Anaesth, vol. 21, no. 4, pp. 464-465, 2018.

Publisher : Ann Card Anaesth,

Year : 2018

Rationale for change in the criteria for defining severe ischemic mitral regurgitation in 2017 American College of Cardiology/American heart association guidelines.

Cite this Research Publication : R. Liza Jose and Dr. Praveen Varma, “Rationale for change in the criteria for defining severe ischemic mitral regurgitation in 2017 American College of Cardiology/American heart association guidelines.”, Ann Card Anaesth, vol. 21, no. 4, pp. 464-465, 2018.

Publisher : Ann Card Anaesth

Year : 2018

Predictors of acute kidney injury in patients undergoing adult cardiac surgery.

Cite this Research Publication : Gangadharan S, SundaramKR ,Vasudevan S , Ananthakrishnan B, Balachandran R, Cherian A, Varma PK ,et al. Predictors of Acute Kidney Injury in Patients Undergoing Adult Cardiac Surgery. Ann Card Anaesth, 2018; 21:448-54. DOI: 10.4103/aca.ACA_21_18.

Year : 2018

Posterior mitral leaflet plication for hypertrophic obstructive cardiomyopathy.

Cite this Research Publication : Dr. Praveen Varma, Krishna, N., Dr. Hisham Ahamed, and Madassery, S., “Posterior mitral leaflet plication for hypertrophic obstructive cardiomyopathy.”, Asian Cardiovascular and Thoracic Annals, vol. 26, no. 5, pp. 400-403, 2018.

Publisher : Asian Cardiovascular and Thoracic Annals .

Year : 2018

Left Atrial Approach to Septal Myectomy: Word of Caution.

Cite this Research Publication : Dr. Praveen Varma and Dr. Hisham Ahamed, “Left Atrial Approach to Septal Myectomy: Word of Caution.”, Annals of Thoracic Surgery, vol. 106, no. 5, pp. 1591-1592, 2018.


Publisher : Annals of Thoracic Surgery

Year : 2018

Bioadhesive, Hemostatic, and Antibacterial in Situ Chitin-Fibrin Nanocomposite Gel for Controlling Bleeding and Preventing Infections at Mediastinum

Cite this Research Publication : Nivedhitha Sundaram M., V. Kaliannagounder, K., Selvaprithiviraj, V., Suresh, M., Biswas, R., Vasudevan, A. K., Dr. Praveen Varma, and Dr. Jayakumar Rangasamy, “Bioadhesive, Hemostatic, and Antibacterial in Situ Chitin-Fibrin Nanocomposite Gel for Controlling Bleeding and Preventing Infections at Mediastinum”, ACS Sustainable Chemistry and Engineering, vol. 6, pp. 7826-7840, 2018.

Publisher : ACS Sustainable Chemistry and Engineering, American Chemical Society

Year : 2017

Ischemic mitral regurgitation.

Cite this Research Publication : Dr. Praveen Varma, Neethu Krishna, Jose, R. Liza, and Madkaiker, A. Narayan, “Ischemic mitral regurgitation.”, Ann Card Anaesth, vol. 20, no. 4, pp. 432-439, 2017.

Publisher : Ann Card Anaesth

Year : 2016

Prosthetic heart valve thrombosis in pregnancy

Cite this Research Publication : Rajesh Jose, Dr. Praveen Varma, and Agarwal, G., “Prosthetic heart valve thrombosis in pregnancy”, Kerala Heart Journal, vol. 6, no. 2, 2016.

Publisher : Kerala Heart Journal,

Year : 2016

PHV thrombosis in pregnancy

Cite this Research Publication : Dr. Praveen Varma, Agarwal, G., and Jose, R., “PHV thrombosis in pregnancy”, Kerala Heart Journal, 2016.

Publisher : Kerala Heart Journal

Year : 2016

Superior Vena Cava Syndrome Caused by Pacemaker Leads.

Cite this Research Publication : Dr. Praveen Varma, Madkaiker, A. N., Krishna, N., Rajesh Jose, Balasubramoniam, K. R., Murukan, P., and Baquero, L., “Superior Vena Cava Syndrome Caused by Pacemaker Leads”, The Annals of Thoracic Surgery, vol. 101, no. 6, 2016.

Publisher : The Annals of Thoracic Surgery, ScienceDirect,

Year : 2016

Infected pseudoaneurysm of the left anterior descending artery.

Cite this Research Publication : Dr. Praveen Varma, Madkaiker, A., Krishna, N., and Kumaraswamy, N., “Infected pseudoaneurysm of the left anterior descending artery”, no. November 01, 2016, 2016.

Publisher : BMJ Case Reports, Issue November 01, 2016.

Year : 2015

CASE 10–2015: Cardiac Resynchronization Therapy: Role of Intraoperative Real-Time Three-Dimensional Transesophageal Echocardiography

Cite this Research Publication : Dr. Praveen Varma, Namboodiri, N., Raman, S. Puthuvasse, Pappu, U. Koraparamb, Gadhinglajkar, S. Vitthal, Ho, J., Owais, K., and Mahmood, F., “CASE 10–2015: Cardiac Resynchronization Therapy: Role of Intraoperative Real-Time Three-Dimensional Transesophageal Echocardiography”, Journal of Cardiothoracic and Vascular Anesthesia, vol. 29, no. 5, pp. 1365 - 1375, 2015.

Publisher : Journal of Cardiothoracic and Vascular Anesthesia,

Year : 2015

A case of rheumatic mitral stenosis with subaortic ventricular septal defect and anomalous right coronary artery from left sinus

Cite this Research Publication : M. Idhrees Abdulsamath, Pillai, V., Radhakrishnan, B., Paniker, V., Dr. Praveen Varma, and Karunakaran, J., “A case of rheumatic mitral stenosis with subaortic ventricular septal defect and anomalous right coronary artery from left sinus”, Indian Journal of Thoracic and Cardiovascular Surgery volume, vol. 31, no. 2, pp. 184 - 186, 2015.

Publisher : Indian Journal of Thoracic and Cardiovascular Surgery

Year : 2015

Surgeries for End Stage Heart Failure

Cite this Research Publication : Dr. Praveen Varma and Krishna, N., “Surgeries for End Stage Heart Failure”, Chettinad Health City Medical Journal, vol. 4, pp. 36 - 39, 2015.

Publisher : Chettinad Health City Medical Journal

Year : 2015

Risk Stratification in Cardiac Surgery

Cite this Research Publication : Krishna, Anirudh Nair, and Dr. Praveen Varma, “Risk Stratification in Cardiac Surgery”, Indian Journal of Thoracic and Cardiovascular Surgery, 2015.

Publisher : Indian Journal of Thoracic and Cardiovascular Surgery

Year : 2015

Risk Assessment Scores in Cardiac Surgery

Cite this Research Publication : Dr. Praveen Varma, “Risk Assessment Scores in Cardiac Surgery”, Annals of Cardiac Anaesthesia, vol. 18, pp. 170-171, 2015.

Publisher : Annals of Cardiac Anaesthesia

Year : 2014

Primary Modified Bentall’s Procedure in a Case of Laubry-Pezzi Syndrome

Cite this Research Publication : B. K. Radhakrishnan, A., M. Idhrees, Devarajan, S., Panicker, V. T., Pillai, V. V., Dr. Praveen Varma, and Karunakaran, J., “Primary Modified Bentall's Procedure in a Case of Laubry-Pezzi Syndrome”, The Annals of Thoracic SurgeryThe Annals of Thoracic Surgery, vol. 98, no. 4, pp. 1445 - 1447, 2014.

Publisher : The Annals of Thoracic SurgeryThe Annals of Thoracic Surgery, Elsevier,

Year : 2014

Demographic profile, clinical characteristics and outcomes of patients undergoing coronary artery bypass grafting—retrospective analysis of 4,024 patients

Cite this Research Publication : Dr. Praveen Varma, Kundan, S., Ananthanarayanan, C., Panicker, V. Thomas, Pillai, V. Velayudhan, Sarma, P. Sankara, and Karunakaran, J., “Demographic profile, clinical characteristics and outcomes of patients undergoing coronary artery bypass grafting—retrospective analysis of 4,024 patients”, Indian J Thorac Cardiovasc Surg, vol. 30, no. 4, pp. 272 - 277, 2014.

Publisher : Indian J Thorac Cardiovasc Surg,

Year : 2014

Intraoperative transesophageal echocardiography diagnosis of concomitant hypertrophic cardiomyopathy with anomalous insertion of a papillary muscle band to the interventricular septum in a patient for aortic valve replacement.

Cite this Research Publication : Dr. Praveen Varma, Raman, S. Puthuvasse, Unnikrishnan, K. Pappu, Kundan, S., and Gadhinglajkar, S. Vitthal, “Intraoperative transesophageal echocardiography diagnosis of concomitant hypertrophic cardiomyopathy with anomalous insertion of a papillary muscle band to the interventricular septum in a patient for aortic valve replacement.”, J Cardiothorac Vasc Anesth, vol. 28, no. 6, pp. e56-58, 2014.

Publisher : J Cardiothorac Vasc Anesth,

Year : 2014

Intra-Operative Three Dimensional Transesophageal Echocardiography Guided Left Resynchronization Therapy

Cite this Research Publication : Dr. Praveen Varma, N, N., SP, R., KP, U., and SV, G., “Intra-Operative Three Dimensional Transesophageal Echocardiography Guided Left Resynchronization Therapy”, J Cardiothorac Vasc Anesthesia, 2014.

Publisher : J Cardiothorac Vasc Anesthesia,

Year : 2014

Hypertrophic cardiomyopathy part II–anesthetic and surgical considerations.

Cite this Research Publication : Dr. Praveen Varma, Raman, S. Puthuvasse, and Neema, P. Kumar, “Hypertrophic cardiomyopathy part II--anesthetic and surgical considerations.”, Ann Card Anaesth, vol. 17, no. 3, pp. 211-21, 2014.

Publisher : Ann Card Anaesth,

Year : 2014

Real-time three-dimensional transoesophageal echocardiography for diagnosing the extent of dehiscence of Starr-Edward valve prosthesis in the mitral position.

Cite this Research Publication : S. Kundan, Dr. Praveen Varma, and Koshy, T., “Real-time three-dimensional transoesophageal echocardiography for diagnosing the extent of dehiscence of Starr-Edward valve prosthesis in the mitral position.”, Eur Heart J Cardiovasc Imaging, vol. 15, no. 9, p. 1060, 2014.

Publisher : Eur Heart J Cardiovasc Imaging,

Year : 2014

Hypertrophic cardiomyopathy: Part 1 – Introduction, pathology and pathophysiology

Cite this Research Publication : Dr. Praveen Varma and Neema, P., “Hypertrophic cardiomyopathy: Part 1 - Introduction, pathology and pathophysiology”, Annals of Cardiac Anaesthesia, vol. 17, no. 2, pp. 118-124, 2014.

Publisher : Annals of Cardiac Anaesthesia,

Year : 2014

Emergency mitral valve replacement for acute severe mitral regurgitation following balloon mitral valvotomy: Pathophysiology of hemodynamic collapse and peri-operative management issues

Cite this Research Publication : P. Bayya, Dr. Praveen Varma, Raman, S., and Neema, P., “Emergency mitral valve replacement for acute severe mitral regurgitation following balloon mitral valvotomy: Pathophysiology of hemodynamic collapse and peri-operative management issues”, Annals of Cardiac Anaesthesia, vol. 17, no. 1, p. 52, 2014.

Publisher : Annals of Cardiac Anaesthesia,

Year : 2014

Magnetic resonance imaging of complex partial anomalous pulmonary venous return in adults.

Cite this Research Publication : B. L. Robinson, Kwong, R. Y., Dr. Praveen Varma, Wolfe, M., and Couper, G., “Magnetic resonance imaging of complex partial anomalous pulmonary venous return in adults.”, Circulation, vol. 129, no. 1, pp. e1-2, 2014.

Publisher : Circulation,

Year : 2013

Giant left atrial myxoma causing mitral inflow and pulmonary venous obstruction

Cite this Research Publication : V. GJ and Dr. Praveen Varma, “Giant left atrial myxoma causing mitral inflow and pulmonary venous obstruction”, IJPTM , vol. 1, p. 32, 2013.


Publisher : IJPTM

Year : 2013

False diagnosis of acute Type A dissection

Cite this Research Publication : Dr. Praveen Varma and MU, M., “False diagnosis of acute Type A dissection”, Ann Cardiac Anaesth, vol. 16, no. 3, p. 225, 2013.


Publisher : Ann Cardiac Anaesth

Year : 2013

Plasma Exchange Transfusion for Management of Altered Heparin Responsiveness Before Cardiopulmonary Bypass

Cite this Research Publication : S. Gadhinglajkar, Sreedhar, R., Dr. Praveen Varma, and Pal, S., “Plasma Exchange Transfusion for Management of Altered Heparin Responsiveness Before Cardiopulmonary Bypass”, Journal of Cardiothoracic and Vascular AnesthesiaJournal of Cardiothoracic and Vascular Anesthesia, vol. 27, no. 5, pp. e58 - e60, 2013.

Publisher : Elsevier

Year : 2013

A small step in the right direction.

Cite this Research Publication : Dr. Praveen Varma, “A small step in the right direction.”, Ann Card Anaesth, vol. 16, no. 3, pp. 167-8, 2013.

Publisher : Ann Card Anaesth

Year : 2012

CASE 5–2012: incidentally detected patent foramen ovale in a patient undergoing aortic valve replacement: to close or not to close?

Cite this Research Publication : S. Misra, Dash, P. Kumar, Koshy, T., Dr. Praveen Varma, Pal, S., Dineshkumar, U. Shanmukhas, Banayan, J., and Capdeville, M., “CASE 5--2012: incidentally detected patent foramen ovale in a patient undergoing aortic valve replacement: to close or not to close?”, J Cardiothorac Vasc Anesth, vol. 26, no. 4, pp. 721-728, 2012.

Publisher : J Cardiothorac Vasc Anesth,

Year : 2010

Anesthetic management for surgical repair of Ebstein’s anomaly along with coexistent Wolff-Parkinson-White syndrome in a patient with severe mitral stenosis.

Cite this Research Publication : P. Kumar Sinha, Kumar, B., and Dr. Praveen Varma, “Anesthetic management for surgical repair of Ebstein's anomaly along with coexistent Wolff-Parkinson-White syndrome in a patient with severe mitral stenosis.”, Ann Card Anaesth, vol. 13, no. 2, pp. 154-8, 2010.

Publisher : Ann Card Anaesth

Year : 2009

Endograft collapse after thoracic stent-graft repair for traumatic rupture

Cite this Research Publication : H. L. Lazar, Dr. Praveen Varma, Shapira, O. M., Soto, J., and Shaw, P., “Endograft collapse after thoracic stent-graft repair for traumatic rupture”, Ann Thorac Surg . , vol. 87, no. 5, pp. 1582-1583, 2009.

Publisher : Ann Thorac Surg . ,

Year : 2008

Perioperative issues due to long-standing lung collapse during repair of a large ascending aortic aneurysm.

Cite this Research Publication : P. Kumar Neema, Dr. Praveen Varma, Manikandan, S., and Rathod, R. Chandra, “Perioperative issues due to long-standing lung collapse during repair of a large ascending aortic aneurysm.”, Ann Card Anaesth, vol. 11, no. 2, pp. 119-22, 2008.

Publisher : Ann Card Anaesth,

Year : 2008

Transmitral endocavitary repair of inferior left ventricular pseudoaneurysm: A simplified approach in patients requiring concomitant mitral valve surgery

Cite this Research Publication : P. Sinha, Dr. Praveen Varma, Korach, A., and Shapira, O. M., “Transmitral endocavitary repair of inferior left ventricular pseudoaneurysm: A simplified approach in patients requiring concomitant mitral valve surgery”, The Journal of thoracic and cardiovascular surgery, vol. 135, no. 6, pp. 1382–1383, 2008.

Publisher : The Journal of thoracic and cardiovascular surgery, Mosby,

Year : 2007

Case 2—2007 Systemic Air Embolization After Termination of Cardiopulmonary Bypass

Cite this Research Publication : P. Kumar Neema, Pathak, S., Dr. Praveen Varma, Manikandan, S., Rathod, R. Chandra, Tempe, D. K., and Tung, A., “Case 2—2007 Systemic Air Embolization After Termination of Cardiopulmonary Bypass”, Journal of cardiothoracic and vascular anesthesia, vol. 21, no. 2, pp. 288–297, 2007.

Publisher : Journal of cardiothoracic and vascular anesthesia

Year : 2007

Fatal endotracheal haemorrhage in a patient undergoing repair of a large ascending aortic aneurysm

Cite this Research Publication : P. K. Neema, Manikandan, S., Rathod, R. C., and Dr. Praveen Varma, “Fatal endotracheal haemorrhage in a patient undergoing repair of a large ascending aortic aneurysm.”, European Journal of Anaesthesiology, vol. 24, no. 7, pp. 646-7, 2007.

Publisher : European Journal of Anaesthesiology,

Year : 2006

Effect of lung ventilation with 50% oxygen in air or nitrous oxide versus 100% oxygen on oxygenation index after cardiopulmonary bypass.

Cite this Research Publication : P. Kumar Sinha, Neema, P. Kumar, Unnikrishnan, K. Pappu, Dr. Praveen Varma, Jaykumar, K., and Rathod, R. Chandra, “Effect of lung ventilation with 50% oxygen in air or nitrous oxide versus 100% oxygen on oxygenation index after cardiopulmonary bypass.”, J Cardiothorac Vasc Anesth, vol. 20, no. 2, pp. 136-142, 2006.

Publisher : J Cardiothorac Vasc Anesth

Year : 2006

Syphilitic aneurysm eroding the chest wall.

Cite this Research Publication : Dr. Praveen Varma and Neelakandhan, K. S., “Syphilitic aneurysm eroding the chest wall.”, Asian Cardiovasc Thorac Ann, vol. 14, no. 4, p. 351, 2006.


Publisher : Asian Cardiovasc Thorac Ann

Year : 2006

Case 4–2006: Coexistent hypertrophic obstructive cardiomyopathy, mitral stenosis, and coronary artery fistula. (Case Conference)

Cite this Research Publication : P. Kumar Neema, Dr. Praveen Varma, Sinha, P. Kumar, Rathod, R. Chandra, Mahmood, F., Park, K. W., and Shernan, S., “Case 4--2006: Coexistent hypertrophic obstructive cardiomyopathy, mitral stenosis, and coronary artery fistula. (Case Conference)”, J Cardiothorac Vasc Anesth, vol. 20, no. 4, pp. 594-605, 2006.


Publisher : J Cardiothorac Vasc Anesth

Year : 2006

Late Entrapment of Ball and Cage Valve in Mitral Position

Cite this Research Publication : J. G. Akbari, Dr. Praveen Varma, Gadhinglajkar, S. V., and Neelakandhan, K. S., “Late Entrapment of Ball and Cage Valve in Mitral Position”, Asian Cardiovascular and Thoracic Annals, vol. 14, no. 1, pp. e1-e3, 2006.


Publisher : Asian Cardiovascular and Thoracic Annals

Year : 2006

Post percutaneous transmitral commissurotomy mitral regurgitation; Underestimated Subvalvar Disease. Reply to editor

Cite this Research Publication : Dr. Praveen Varma and Neema, P. Kumar, “Post percutaneous transmitral commissurotomy mitral regurgitation; Underestimated Subvalvar Disease. Reply to editor”, J Thorac Cardio Vasc Surg, vol. 131, no. 4, pp. 927-928, 2006.


Publisher : J Thorac Cardio Vasc Surg

Year : 2006

Holt-Oram Syndrome with Hemiazygous Continuation of Inferior Vena Cava

Cite this Research Publication : Dr. Praveen Varma, Padmakumar, R., Harikrishnan, S., Koshy, T., and Neelakandhan, K. S., “Holt-Oram Syndrome with Hemiazygous Continuation of Inferior Vena Cava”, Asian Cardiovascular and Thoracic Annals, vol. 14, pp. 161-163, 2006.


Publisher : Asian Cardiovascular and Thoracic Annals

Year : 2005

Spontaneous iliac arteriovenous fistula: recognition and management

Cite this Research Publication : M. Krishna, Theodore, S., Dr. Praveen Varma, and Neelakandhan, K. S., “Spontaneous iliac arteriovenous fistula: recognition and management”, Journal of Cardiovascular Surgery (Torino), vol. 46, no. 2, p. 181, 2005.

Publisher : Journal of Cardiovascular Surgery (Torino),

Year : 2005

Late aneurysm formation with destruction of the left lung after subclavian flap angioplasty for coarctation of aorta.

Cite this Research Publication : S. Theodore, Dr. Praveen Varma, Neema, P. Kumar, and Neelakandhan, K. Sankaran, “Late aneurysm formation with destruction of the left lung after subclavian flap angioplasty for coarctation of aorta.”, J Thorac Cardiovasc Surg, vol. 129, no. 2, pp. 468-9, 2005.

Publisher : J Thorac Cardiovasc Surg,

Year : 2005

Polymorphic ventricular tachycardia after radiofrequency maze procedure: report of two cases.

Cite this Research Publication : S. Kumar Dora, Dr. Praveen Varma, Parija, C., Nair, K., Sreedhar, R., Neelakandhan, K. Sankaran, and Tharakan, J., “Polymorphic ventricular tachycardia after radiofrequency maze procedure: report of two cases.”, J Thorac Cardiovasc Surg, vol. 129, no. 2, pp. 446-7, 2005.


Publisher : J Thorac Cardiovasc Surg

Year : 2005

Vocal cord dysfunction in two patients after mitral valve replacement: consequences and mechanism.

Cite this Research Publication : P. Kumar Neema, Sinha, P. Kumar, Dr. Praveen Varma, and Rathod, R. Chandra, “Vocal cord dysfunction in two patients after mitral valve replacement: consequences and mechanism.”, J Cardiothorac Vasc Anesth, vol. 19, no. 1, pp. 83-5, 2005.


Publisher : J Cardiothorac Vasc Anesth,

Year : 2005

Surgical interruption of patent ductus arteriosus in a child with severe aortic stenosis: anesthetic considerations.

Cite this Research Publication : P. Kumar Neema, Tambe, S., Unnikrishnan, M., Dr. Praveen Varma, and Rathod, R. Chandra, “Surgical interruption of patent ductus arteriosus in a child with severe aortic stenosis: anesthetic considerations.”, J Cardiothorac Vasc Anesth, vol. 19, no. 6, pp. 784-5, 2005.


Publisher : J Cardiothorac Vasc Anesth,

Year : 2005

Emergency surgery after percutaneous transmitral commissurotomy: Operative versus echocardiographic findings, mechanisms of complications, and outcomes

Cite this Research Publication : Dr. Praveen Varma, Theodore, S., Neema, P. Kumar, Ramachandran, P., Sivadasanpillai, H., Nair, K. Kumar, and Neelakandhan, K. Sankaran, “Emergency surgery after percutaneous transmitral commissurotomy: Operative versus echocardiographic findings, mechanisms of complications, and outcomes”, The Journal of Thoracic and Cardiovascular Surgery, vol. 130, no. 3, pp. 772 - 776, 2005.


Publisher : The Journal of Thoracic and Cardiovascular Surgery

Year : 2005

Clinical Profile and Surgical Outcome for Pulmonary Aspergilloma: A Single Center Experience

Cite this Research Publication : J. Gopal Akbari, Dr. Praveen Varma, Neema, P. Kumar, Menon, M. Unnikrishn, and Neelakandhan, K. Sankaran, “Clinical Profile and Surgical Outcome for Pulmonary Aspergilloma: A Single Center Experience”, The Annals of Thoracic SurgeryThe Annals of Thoracic Surgery, vol. 80, no. 3, pp. 1067 - 1072, 2005.


Publisher : The Annals of Thoracic SurgeryThe Annals of Thoracic Surgery, Elsevier,

Year : 2005

Clinical profile of post-operative ductal aneurysm and usefulness of sternotomy and circulatory arrest for its repair

Cite this Research Publication : Dr. Praveen Varma, Vallath, G., Neema, P. Kumar, Sinha, P. Kumar, Sivadasanpillai, H., Menon, M. Unnikrishn, and Neelakandhan, K. Sankaran, “Clinical profile of post-operative ductal aneurysm and usefulness of sternotomy and circulatory arrest for its repair”, European journal of cardio-thoracic surgery, vol. 27, no. 3, pp. 416–419, 2005.

Publisher : European journal of cardio-thoracic surgery, Elsevier Science BV

Year : 2004

Long-Term Follow-up of Aortic Valve Replacement in Children

Cite this Research Publication : M. S. Harikrishnan, Nair, K., Krishnamoorthy, K. M., JA, T., Dr. Praveen Varma, Dora, S. K., Harikrishnan, S., Titus, T., Ajithkumar, V. K., Sivasankaran, S., Rajeev, E., Namboodiri, K. K. N., and Neelakandhan, K. S., “Long-Term Follow-up of Aortic Valve Replacement in Children”, Indian Heart J. , vol. 56, no. 5, 2004.


Publisher : Indian Heart J.

Year : 2004

Fatal post-operative gastro intestinal hemorrhage because of angio-dysplasia of small intestine in aortic regurgitation

Cite this Research Publication : Dr. Praveen Varma, Misra, M., Radhakrishnan, V. Venkatrama, and Neelakandhan, K. Sankaran, “Fatal post-operative gastro intestinal hemorrhage because of angio-dysplasia of small intestine in aortic regurgitation”, Interactive cardiovascular and thoracic surgery, vol. 3, no. 1, pp. 118–120, 2004.


Publisher : Interactive cardiovascular and thoracic surgery, European Association for Cardio-Thoracic Surgery,

Year : 2004

Controlled aortic root perfusion: a novel method to treat refractory ventricular arrhythmias after aortic valve replacement

Cite this Research Publication : S. Vitthal Gadhinglajkar, Sreedhar, R., and Dr. Praveen Varma, “Controlled aortic root perfusion: a novel method to treat refractory ventricular arrhythmias after aortic valve replacement”, Journal of cardiothoracic and vascular anesthesia, vol. 18, no. 2, pp. 197–200, 2004.


Publisher : Journal of cardiothoracic and vascular anesthesia, Elsevier,

Year : 2004

Simultaneous repair of bilateral multiple emphysematous bullae with a secundum atrial septal defect.

Cite this Research Publication : P. Kumar Neema, Sinha, P. Kumar, Dr. Praveen Varma, and Rathod, R. Chandra, “Simultaneous repair of bilateral multiple emphysematous bullae with a secundum atrial septal defect.”, J Cardiothorac Vasc Anesth, vol. 18, no. 5, pp. 632-6, 2004.

Publisher : J Cardiothorac Vasc Anesth

Year : 2004

Cortriatriatum Sinister – Profile of 10 Cases.

Cite this Research Publication : E. Rajeev, S., H., Dr. Praveen Varma, Nair, K., Namboodiri, K. K. N., Dora, S. K., Krishnamoorthy, K. M., Sivasankaran, S., Kumar, A., Titus, T., Tharakan, J. A., and Mukundan, C., “Cortriatriatum Sinister – Profile of 10 Cases.”, Indian Heart J. , vol. 56, no. 5, 2004.


Publisher : Indian Heart J.

Year : 2004

Partial atrioventricular canal defect with cor triatriatum sinister: report of three cases

Cite this Research Publication : Dr. Praveen Varma, Warrier, G., Ramachandran, P., Neema, P. Kumar, Manohar, S. Rema Krish, Titus, T., and Neelakandhan, K. Sankaran, “Partial atrioventricular canal defect with cor triatriatum sinister: report of three cases”, The Journal of thoracic and cardiovascular surgery, vol. 127, no. 2, pp. 572–573, 2004.


Publisher : The Journal of thoracic and cardiovascular surgery, Mosby

Year : 2004

Ascending aortic coarctation with mitral regurgitation-surgical outcome—A case report

Cite this Research Publication : K. G. Shyamkrishnan, Dr. Praveen Varma, Neelakandhan, K. S., and Tharakan, J. M., “Ascending aortic coarctation with mitral regurgitation-surgical outcome—A case report”, vol. 20, no. 1, pp. 23 - 24, 2004.

Year : 2004

Aortic root replacement—The “Chitra” experience

Cite this Research Publication : R. Duara, Sarma, A., Dr. Praveen Varma, Unnikrishnan, M., Kumar, R., and Neelakandhan, K. S., “Aortic root replacement—The “Chitra” experience”, Indian Journal of Thoracic and Cardiovascular Surgery, vol. 20, no. 1, pp. 38-39, 2004.


Publisher : Indian Journal of Thoracic and Cardiovascular Surgery

Year : 2004

Long-Term Follow-up of Aortic Valve Replacement with Starr-Edwards Prosthesis

Cite this Research Publication : K. Nair, Dr. Praveen Varma, Krishnamoorthy, K. M., Chandrabhanu, P., Dora, S. K., Edwin, F., Pradeep, K. D., Harikrishnan, S., Sivasankaran, S., Ajithkumar, V. K., Titus, T., Tharakan, J. A., and Neelakandhan, K. S., “Long-Term Follow-up of Aortic Valve Replacement with Starr-Edwards Prosthesis”, Indian Heart J. , vol. 56, no. 5, 2004.


Publisher : Indian Heart J

Year : 2004

Long-term Follow-up of Mitral Valve Replacement in Children

Cite this Research Publication : M. S. Harikrishnan, Nair, K., Krishnamoorthy, K. M., Tharakan, J. A., Dr. Praveen Varma, Dora, S. K., Harikrishnan, S., Titus, T., Ajithkumar, V. K., Sivasankaran, S., Rajeev, E., Namboodiri, K. K. N., and Neelakandhan, K. S., “Long-term Follow-up of Mitral Valve Replacement in Children”, Indian Heart J., vol. 56, no. 5, 2004.

Publisher : Indian Heart J.

Year : 2003

Superior vena caval aneurysm

Cite this Research Publication : Dr. Praveen Varma, Dharan, B. S., Ramachandran, P., and Neelakandhan, K. Sankaran, “Superior vena caval aneurysm”, Interactive CardioVascular and Thoracic Surgery, vol. 2, no. 3, pp. 331-333, 2003.

Publisher : Interactive CardioVascular and Thoracic Surgery

Year : 2003

Abdominal aortic occlusion due to aorto arteritis

Cite this Research Publication : Dr. Praveen Varma, Latha, M., Purushotham, S. Nambala, and Neelakandhan, K. Sankaran, “Abdominal aortic occlusion due to aorto arteritis”, European Journal of Cardio-Thoracic Surgery, vol. 24, no. 3, p. 451, 2003.


Publisher : European Journal of Cardio-Thoracic Surgery, Elsevier Science BV

Year : 2003

Dysphagia lusorum.

Cite this Research Publication : Dr. Praveen Varma, Anbarasu, M., Sreenivas, V. Gadhinglda, and Neelakandhan, K. Sankaran, “Dysphagia lusorum.”, Asian Cardiovasc Thorac Ann, vol. 11, no. 4, p. 376, 2003.

Publisher : Asian Cardiovasc Thorac Ann

Patents

Year : 2021

Strong, flexible, and thrombus-free woven nanotextile based vascular grafts, and method of production thereof

Cite this Research Publication : D. Menon, Joseph, J., Varma, P., and Nair, S., “Strong, flexible, and thrombus-free woven nanotextile based vascular grafts, and method of production thereof”, 2021.

Publisher : US Patent 10,893,931

Admissions Apply Now