Dr. Niwin George

Professional Summary:

Dr. Niwin George is a consultant cardiothoracic and vascular surgeon with five years of experience in the field of adult and paediatric cardiothoracic surgery. With training and experience at premiere medical establishments like All India Institute of Medical Sciences, New Delhi and Govt. Medical College, Thiruvananthapuram Dr. Niwin George offers the best and state of the art of surgical solutions when required, for cardiac, thoracic and vascular ailments.

Education and Training:

• MBBS: Government Medical College, Thrissur (2005-2011).
• MS General Surgery: All Indian Institute of Medical Sciences, New Delhi (2013-2015).
• MCh CTVS: All Indian Institute of Medical Sciences, New Delhi (2016-2019).

Professional Experience:

• Joined Daya General Hospital in 2024.
• After graduation Dr. Niwin George has acquired further experience in adult and paediatric cardiac surgery during his tenure as Post MCh SR at All Indian Institute of Medical Sciences, New Delhi (2019 -2021) after which he was faculty in the Department of CVTS at Government Medical College, Thiruvananthapuram (2022-2024) . During his tenure at Government Medical College, Thiruvananthapuram, he was instrumental in pioneering surgical corrections of complex congenital heart diseases and ECMO at the new cardiac surgery centre at SAT hospital. Moreover Dr. Niwin has contributed to the growth of medical science with many important international publications in the field of adult and paediatric cardiac surgery.

Areas of Expertise:

Cardiac Adult

• CABG (off pump, total arterial, on pump)
• AVR, MVR, Mitral repair, Tricuspid repair, DVR, PVR,
• Bentall Surgery , De-branching Procedure
• Minimally Invasive Cardiac Surgery (MICS)
• Endoscopic Cardiac surgery

Vascular

• Repair and reconstruction for vascular trauma
• Post Onco-resection, complex anatomy in renal transplant Bypass procedures for peripheral vascular disease
• AV fistula surgery and other vascular access procedures for hemodialysis
• Arch and Aortic surgery
• Aortic aneurysm repair
• Carotid Endarterectomy

Thoracic

• All thoracic open operations
• VATS Lobectomy, Pneumonectomy for benign and malignant lesions
• VATS Decortication for TB and post pneumonia empyema
• VATS Thymectomy for Myasthenia Gravis/ malignancy
• VATS Diaphragmatic plication/hernia repair
• VATS Lung volume reduction surgery (LVRS)
• VATS for Thoracic outlet syndrome

Pediatric Cardiac Surgery

• ASD, VSD, AVSD, VSD PS
• Tetralogy of Fallot repair
• Vascular ring surgery
• Palliative surgery: BT shunt, PA banding Univentricular palliation: BD Glenn, Fontan

Advanced resuscitation and mechanical circulatory assist

• ECMO (Extra corporeal membrane oxygenation) for cardiac and pulmonary indications
• IABP

Publications:

A reappraisal of the sinus venosus defect.

Chowdhury UK, Anderson RH, Pandey NN, Sharma S, Sankhyan LK, George N, Goja S, Arvind B. Eur J Cardiothorac Surg. 2022 May 27;61(6):1211-1222. doi: 10.1093/ejcts/ezab556.
PMID: 35090016 Review.

Surgical management of the scimitar syndrome.

Chowdhury UK, Anderson RH, Sankhyan LK, George N, Pandey NN, Chauhan AS, Arora Y, Goja S. J Card Surg. 2021 Oct;36(10):3770-3795. doi: 10.1111/jocs.15857. Epub 2021 Aug 16.
PMID: 34396590 Review.

Surgical management of divided atrial chambers.

Sankhyan LK, Anderson RH, Chowdhury UK, George N, Pradeep D, Vaswani P, Pandey NN, Arvind B. J Card Surg. 2021 Nov;36(11):4267-4279. doi: 10.1111/jocs.15896. Epub 2021 Aug 15.
PMID: 34392568 Review.

Fontan failure: phenotypes, evaluation, management, and future directions.

Chowdhury UK, George N, Sankhyan LK, Pradeep D, Chittimuri C, Chauhan A, Pandey NN, Goja S. Cardiol Young. 2022 Oct;32(10):1554-1563. doi: 10.1017/S1047951122001433. Epub 2022 Jun 22.
PMID: 35730178 Review.

A Review on the Surgical Management of Subvalvular Aneurysm.

George N, Chowdhury UK, Singh S, Sankhyan LK, Sushamagayatri B, Sengupta S, Malik V, Angadi S. World J Pediatr Congenit Heart Surg. 2020 May;11(3):325-337. doi: 10.1177/2150135120907373.
PMID: 32294005 Review.

A Review of the Surgical Management of Aorto-ventricular Tunnels.

Chowdhury UK, Anderson RH, George N, Singh S, Sankhyan LK, Pradeep D, Chauhan A, Sengupta S, Vaswani P. World J Pediatr Congenit Heart Surg. 2021 Jan;12(1):103-115. doi: 10.1177/2150135120954809.
PMID: 33407031 Review.

The so-called "one-and-a-half" ventricular repair: where are we after 40 years?

Chowdhury UK, Anderson RH, Pandey NN, Mishra S, Sankhyan LK, George N, Khan MA, Goja S. Cardiol Young. 2023 Sep;33(9):1497-1505. doi: 10.1017/S1047951123001646. Epub 2023 Jul 3.
PMID: 37394701 Review.

Transposition physiology in the setting of concordant ventriculo-arterial connections.

Chowdhury UK, Anderson RH, Spicer DE, George N, Sankhyan LK, Pandey NN, Goja S, Chandhirasekar B. J Card Surg. 2022 Sep;37(9):2823-2834. doi: 10.1111/jocs.16688. Epub 2022 Jun 19.
PMID: 35717625 Review.

The surgical anatomy of hearts with isomeric atrial appendages-implications for surgical management.

Spicer DE, Chowdhury UK, Anderson RH, Pandey NN, Sankhyan LK, George N, Goja S, Malik V. Eur J Cardiothorac Surg. 2022 Jun 15;62(1):ezac139. doi: 10.1093/ejcts/ezac139.
PMID: 35234855 Review.

A reassessment of the anatomical features of multiple ventricular septal defects.

Spicer DE, Anderson RH, Chowdhury UK, Sankhyan LK, George N, Pandey NN, Gupta SK, Goja S. J Card Surg. 2022 May;37(5):1353-1360. doi: 10.1111/jocs.16242. Epub 2022 Feb 11.
PMID: 35146794 Review.

Techniques and pitfalls of coronary arterial reimplantation in anatomical correction of transposition.

Chowdhury UK, Anderson RH, Spicer DE, Sankhyan LK, George N, Pandey NN, Goja S, Chandhirasekar B. J Card Surg. 2022 Nov;37(11):3813-3824. doi: 10.1111/jocs.16889. Epub 2022 Sep 18.
PMID: 36116113 Review.

A review of the therapeutic management of multiple ventricular septal defects.

Chowdhury UK, Anderson RH, Spicer DE, Sankhyan LK, George N, Pandey NN, Balaji A, Goja S, Malik V. J Card Surg. 2022 May;37(5):1361-1376. doi: 10.1111/jocs.16289. Epub 2022 Feb 11.
PMID: 35146802 Review.

Surgical management of lesions encountered in the setting of the retroaortic left brachiocephalic vein.

Chowdhury UK, Anderson RH, Sankhyan LK, George N, Goja S, Pandey NN, Arvind B, Tharranath I. J Card Surg. 2021 Nov;36(11):4280-4291. doi: 10.1111/jocs.15907. Epub 2021 Aug 15.
PMID: 34392559 Review.

Right pulmonary artery to left atrium fistula.

Talwar S, Satsangi A, George N, Tharranath I, Gayatri S, Yadav S, Kumar Choudhary S. J Card Surg. 2022 Mar;37(3):693-696. doi: 10.1111/jocs.16193. Epub 2021 Dec 28.
PMID: 34964159

A Review of the Surgical Management of Anomalous Connection of the Right Superior Caval Vein to the Morphologically Left Atrium and Biatrial Drainage of Right Superior Caval Vein.

Chowdhury UK, Anderson RH, George N, Singh S, Sankhyan LK, Gayatri SB, Malik V, Gharde P, Sengupta S. World J Pediatr Congenit Heart Surg. 2020 Jul;11(4):466-484. doi: 10.1177/2150135120912677.
PMID: 32645787 Review.

Long-Term Surgical Outcomes of Patients With Isomeric Right and Left Atrial Appendages.

Chowdhury UK, Anderson RH, Pandey NN, George N, Sankhyan LK, Khan MA, Goja S, Ramakrishnan S, Gupta SK. World J Pediatr Congenit Heart Surg. 2023 May;14(3):291-299. doi: 10.1177/21501351221151049. Epub 2023 Feb 16.
PMID: 36794481

Early evaluation of the aortic root after Nicks' procedure.

Chowdhury UK, Singh S, George N, Hasija S, Sankhyan L, Pandey NN, Sengupta S, Kalaivani M. JTCVS Tech. 2020 Aug 13;4:85-96. doi: 10.1016/j.xjtc.2020.08.017. eCollection 2020 Dec.
PMID: 34317974.

Total Pericardiectomy Using a Modified Left Anterolateral Thoracotomy Without Cardiopulmonary Bypass.

Chowdhury UK, George N, Singh S, Sankhyan LK, Sengupta S, Ray R, Vaswani P, Sharma S, Kalaivani M. Ann Thorac Surg. 2021 Nov;112(5):1483-1492. doi: 10.1016/j.athoracsur.2020.10.045. Epub 2020 Dec 10.
PMID: 33310149

Innominate vein reconstruction in patients with bilateral superior vena cava undergoing bilateral bidirectional superior cavopulmonary anastomosis.

Talwar S, George N, Firdaus A, Fanai MH, Choudhary SK. Ann Pediatr Cardiol. 2023 Jan-Feb;16(1):37-40. doi: 10.4103/apc.apc_129_22. Epub 2023 Apr 4.
PMID: 37287833 Free PMC article.

Totally anomalous pulmonary venous connection with intact atrial septum.

Talwar S, George N, Satsangi A, Tharranath I, Gharde P, Choudhary SK. J Card Surg. 2021 Aug;36(8):2965-2969. doi: 10.1111/jocs.15595. Epub 2021 May 5.
PMID: 33955030

Autologous Reconstruction of Anomalous Origin of a Right Pulmonary Artery From the Aorta.

Talwar S, Jha PK, George N, Choudhury A, Satsangi A, Choudhary SK. World J Pediatr Congenit Heart Surg. 2024 Mar 22:21501351241227889. doi: 10.1177/21501351241227889. Online ahead of print.
PMID: 38516699

Long-Term Outcomes of the Double-Barrel Technique for Superior Sinus Venosus Defect With Partially Anomalous Pulmonary Venous Connection.

Chowdhury UK, Sharma S, Sankhyan LK, George N, Singh S, Hasija S, Pandey NN, Kalaivani M. World J Pediatr Congenit Heart Surg. 2020 Nov;11(6):733-741. doi: 10.1177/2150135120938352.
PMID: 33164679

Ruptured sinus of valsalva presenting late following repair of tetralogy of fallot.

Talwar S, George N, Kothari SS, Sharma A, Goondla K, Choudhary SK. J Card Surg. 2020 Jul;35(7):1690-1693. doi: 10.1111/jocs.14622. Epub 2020 May 17.
PMID: 32419207

Surgical repair for aortopulmonary window with interrupted aortic arch in late childhood.

Talwar S, George N, Gupta SK, Choudhary SK. Cardiol Young. 2020 Feb;30(2):298-301. doi: 10.1017/S1047951119002762. Epub 2020 Jan 7.
PMID: 31907082

Functionally univentricular heart with systemic venous anomalies: surgical palliation and pulmonary arterial reconstruction with a roll of left atrial appendage.

Talwar S, Anderson RH, George N, Gupta SK, Siddharth B, Bhoje A, Rajashekar P, Choudhary SK. Indian J Thorac Cardiovasc Surg. 2019 Apr;35(2):203-207. doi: 10.1007/s12055-018-0741-0. Epub 2018 Oct 8.
PMID: 33061006 Free PMC article.

Bentall's Procedure for Annuloaortic Ectasia and Severe Aortic Regurgitation in a Patient With Repaired Tetralogy of Fallot and Aortic Valvular Reconstruction.

Chowdhury UK, George N, Gudala V, Gupta A, Avneesh S, Sankhyan LK, Malik V, Kumar P. World J Pediatr Congenit Heart Surg. 2019 Sep;10(5):648-650. doi: 10.1177/2150135119865162.
PMID: 31496413