M.B.B.S., Government Medical College, Surat

M.S. General Surgery, M.P.Shah Medical College, Jamnagar

M.S. General Surgery, M.P.Shah Medical College, Jamnagar

M.Ch. CardioThoracicVascular Surgery (CTVS), All India Institute of Medical Sciences (AIIMS), New Delhi

Specialising in all valve repairs, including innovative pulmonary valve reconstruction

Redo surgeries, including conduit replacements and Fontan surgery

Minimal-access right thoracotomy (MICS) approach for FO-ASD, OP-ASD, SV-ASD, Glenn

Vascular ring division of all anatomical varieties causing airway/esophageal compression

Indian Association of Cardiovascular Thoracic Surgeons

Society of Pediatric and Congenital Heart Surgeons

Pediatric Cardiac Society of India

Certificate of registration from Gujarat Medical Council, Delhi Medical Council, Telangana Medical Council.

Certification of Identification by ECFMG (Educational Commission for Foreign Medical Graduates) done.

Tetralogy of Fallot at Jupiter Hospital Mumbai (2024)

AV canal Defect at SPCHC Tirupati (2024)

Ebstein’s Anomaly at GKNM Coimbatore (2025)

Heading the unit of Pediatric Cardiac Sciences.

Successfully managing the entire spectrum of congenital heart defects requiring surgical intervention in domestic as well as overseas patients.

Treat entire spectrum of congenital heart defects which require surgical intervention in domestic as well as overseas patients.

Communicate with patient’s family in detail regarding the heart problem, further plan of management, expected outcomes and future expectancy.

Performing corrective and palliative congenital heart surgeries for following CHD with good surgical outcomes persistently:

Acyanotic defects including Atrial Septal defects, Ventricular Septal Defects, Patent Ductus Arteriosus, Complete and Partial AV canal Defects, Aortopulmonary Window, Double outlet Right ventricle (DORV).

Cyanotic defects including Tetralogy of Fallot, Totally Anomalous Pulmonary Venous Drainage (Cardiac, Supracardiac, infracardiac TAPVD).

Complex Neonatal CHD including Arterial Switch operation, Truncus arteriosus, Rastelli operation, Interrupted Aortic arch Repair, Coarctation of aorta with arch hypoplasia, congenital heart block.

Specialising in all valve repairs including innovative pulmonary valve reconstruction.

Redo surgeries including Conduit replacements, Palliative surgeries Fontan and Glenn.

Minimal access Right thoracotomy approach for FO-ASD, OP-ASD, SV-ASD, Glenn.

Vascular ring division of all anatomical variety.

Performed all complex neonatal and pediatric heart surgeries including corrective and palliative surgeries as mentioned above.

Retrieved and assisted implantation of 14 Heart Transplants followed by complete postoperative surgical care for the same.

Performed successfully repair of neonatal congenital diaphragmatic hernia and another case of pediatric left bronchus foreign body via thoracotomy.

Actively participated and was involved in decision making for the treatment plan in weekly cardiac cath and surgical meetings.

Performed surgeries for simple CHD and assisted in all complex CHD.

Extensively managed patients in postoperative pediatric cardiac intensive care.

In-house patient management including domestic and overseas patients.

Chowdhury UK, Chauhan A, Kapoor PM, Hasija S, Jagia P, Ramakrishnan P. Successful Surgical Osteoplasty of the Left Main Coronary Artery with Concomitant Mitral Valve Replacement and Tricuspid Annuloplasty. Annals of Cardiac Anaesthesia 2017; 20:444-6.

Sankhyan LK, Chowdhury UK, Rizvi A, Hasija S, Patel K, Seth S, Chauhan A, Kalaivani M. Evaluation of Thromboembolism and Valve Thrombosis in Patients with Rheumatic Heart Disease undergoing Mitral Tissue Valve Replacement in the Presence of Atrial Fibrillation with or without Left Atrial Clot: Review of a 17 years’ Experience. World Journal of Surgery and Surgical Research 2018; 1:1042.

Kumari LS, Chowdhury UK, Chauhan A, Hasija S, Jagia P. Operative, Echocardiographic and Angiocardiographic Details of the Vertical Vein in Repaired Supracardiac Obstructive Totally Anomalous Pulmonary Venous Connection: Pre- and Post-Adjustable Vertical Vein Ligature. Annals of Short Reports, 2018; 1: 1022.

Chowdhury UK, Kumari L, Avneesh S, Ray R, Kalaivani M, Hasija S, Chauhan A. Histologic Abnormalities of the Ascending Aorta and Its Effect on Aortic Remodeling after Intracardiac Repair of Tetralogy of Fallot. Texas Heart Inst J 2020;47(2):86-95.

Chowdhury UK, Chauhan A, Hasija S, Jena JK, Sankhyan LK. Aortic Root Enlargement and Aortic Valve Replacement for Calcified Supravalvular and Valvular Aortic Stenosis in Homozygous Familial Hypercholesterolemia: A Case Report. World Journal for Pediatric and Congenital Heart Surgery,2020 Jul;11(4):NP221-NP225.

Chowdhury UK, Sankhyan LK, Chauhan A, Jagia P. The unligated vertical vein in Obstructive Supracardiac Totally Anomalous Pulmonary Venous Connection: Concept, Concerns and Future Directions.2019. J Cardiol Diagn Res, 2(2): 94-108.

Chowdhury UK, George N, Sankhyan LK, Malik V, Chauhan A, Gudala V, Hasija S, Kalaivani N. Intra-aortic Balloon Counterpulsation after Primary and Redo Isolated Valve Replacements: Results and Guidelines for Candidate Selection. J Cardiol 2019, 3(1): 000140.

Kumari LS, Chowdhury UK, George N, Gudala VB, Hasija S, Chauhan A. Iatrogenic Injuries during Retrograde Delivery of Cardioplegia- Prevention, Diagnosis and Management: A Collective Review. J Cardiol 2019, 3(1): 000142.

Chowdhury UK, Jha A, Kumari LS, Chauhan A,Ray R, et al. Histopathology of the Right Ventricular Outflow Tract and the relation to Hemodynamics in Patients with Repaired Tetralogy of Fallot. J Thorac Cardiovasc Surg 2019;-:1-11.

Kumari LS, Chowdhury UK, Chauhan A, Makhija N, George N. A novel technique of repair of congenital left atrial aneurysm using Bovine pericardial patch. Journal of Integrative Cardiology Open Access 2019; 1(1): 2-7.

Chowdhury UK, Singh S, George N, Kumari LS, Gudala V, Chauhan A, Jena JK, Hasija S, Chowdhury P. A treatise on the surgical management and a suggested amendment of surgical classification of left ventricular rupture following mitral valve replacement. J Integr Cardiol Open Access 2019; 2(3): 2-23.

Chowdhury UK, George N, Singh S, Kumari LS, Chauhan A. AS Treatise on the Surgical techniques used to close Adult Persistent Arterial Duct. J Cardiol 2019, 3(2): 000144.

Chowdhury UK, George N, Singh S, Kumari LS, Chauhan A, Gudala V, Jagia P. Operative, Echocardiographic and Angiocardiographic Details of an Adult with Giant, Calcified, Hypertensive Ductus Arteriosus undergoing Transpulmonary Closure under Normothermic Cardiopulmonary Bypass without Circulatory Arrest. Journal of neonatal care and pediatric research 2019; 1: 013-018.

Goja S, Kumari LS, Chowdhury UK, Pandey NN, Arava Sudheer, Chauhan A, MalikV. Echocardiographic and Computed tomographic Evaluation of the Fate of Bovine Pericardial Patch as a Pericardial Substitute in Bentall’s Procedure : Twenty-year’s Results. J Clinical Cardiology and Cardiovascular Interventions 2022;5 (1):0234.

Chowdhury UK, Anderson R, Kumari LS, George N, Pandey N, Chauhan A, Arora Y, Goja S. Surgical Management of Scimitar Syndrome. J Card Surg. 2021;36:3770–3795.

Chowdhury UK, Anderson R, George N, Singh S, Kumari LS, Chauhan A, Pradeep D, Sengupta S. A review of the Surgical Management of Aorto-ventricular Tunnels. World Journal for Pediatric and Congenital Heart Surgery 2021;12(1) 103-115.

Sankhyan LK, Chowdhury UK, George N, Chauhan A, Kapoor PM. Intracardiac repair of the tetralogy of Fallot using trans right atrial and trans pulmonary approach: A video presentation. J Card Crit Care TSS 2018; 2 : 91-92.

Chowdhury UK, George N, Kumari LS, Singh S, Chauhan A. Total pericardiectomy via median sternotomy(Hollman and Willet): A video presentation. Int Med 2019; 1(4): 244-245.

Chowdhury UK, George N, Kumari LS, Singh S, Chauhan A. Radical pericardiectomy via left anterolateral thoracotomy (UKC modification): A video presentation. Int Med 2019; 1(4): 246-247.

Chowdhury UK, George N, Kumari LS, Singh S, Chauhan A. Rechanelling of supracardiac totally anomalous pulmonary venous connection with left atrial augmentation and adjustable vertical vein ligation: A video presentation.

Chowdhury UK, George N, Singh S, Kumari LS, Malhotra PK, Chauhan A, Gharde Parag, Gayatri SB. Dacron Patch closure of Ventricular Septal Defect with Concomitant Aortic Valve Replacement using a Mechanical Prosthesis : A video presentation. J Card Crit Care 2020; 3:99–100.

Chowdhury UK, George N, Singh S, Kumari LS, Chauhan A, Gharde Parag, Malik V. Repair of post-infarction multiple anterior muscular ventricular septal defects by endocardial Dacron patch and left ventricular aneurysmectomy : A video presentation. Int Med 2020; 2(1): 89-91.

Chowdhury UK, George N, Chauhan A, Kumari LS, Gayatri SB, Jena JK. Left ventricular aneurysmectomy and repair of Post-infarct Ventricular Septal Defect with Concomitant Aortocoronary Bypass Grafting: a video presentation. J Cardiovasc Surg Heart Dis. 1: 59-61.

Chowdhury UK, George N, Chauhan A, Kumari LS, Singh S, Jena JK. An atraumatic technique of harvesting radial artery using harmonic scalpel : a video presentation. Int Med 2019; 1(6): 357-358.

Chowdhury UK, George N, Singh S, Chauhan A, Kumari LS. Completion extracardiac, non-fenestrated, total cavopulmonary connection using a polytetrafluoroethylene conduit : A video presentation. International Medicine 2019; 1(5): 302-303.

Chowdhury UK, George N, Chauhan A, Kumari LS, Singh S, Gudala V. Intra-atrial, lateral tunnel, fenestrated, total cavopulmonary connection using a polytetrafluoroethylene patch : a Video presentation. International Medicine 2019; 1(6): 355-356.

Chowdhury UK, George N, Kapoor PM, Singh S, Kumari LS, Chauhan A, Malik V, Gharde P. Redo Mitral Valve replacement using a St. Jude Medical Mechanical Prosthesis in a patient with Thrombosed Mitral prosthesis : A video presentation. J Card Crit Care 2020;3:97–98.

Chowdhury UK, George N, Singh S, Kumari LS, Chauhan A. Ascending-to- supraceliac abdominal aortic bypass for an adult coarctation of aorta : A video presentation. International Medicine 2019; 1(5): 300-301.