Alex AG, Lahiri A; Devika, Geevar T, George OK. Observational study comparing pharmacoinvasive strategy with primary percutaneous coronary intervention in patients presenting with ST elevation myocardial infarction to a tertiary care centre in India. J Postgrad Med. 2018 Apr-Jun;64(2):80-85. doi: 10.4103/jpgm.JPGM_766_16. PMID: 29067927; PMCID: PMC5954818.

Chacko S, Joseph G, Thomson V, George P, George O, Danda D. Carbon dioxide Angiography-Guided Renal-Related Interventions in Patients with Takayasu Arteritis and Renal Insufficiency. Cardiovasc Intervent Radiol. 2018 Jul;41(7):998-1007. doi: 10.1007/s00270-018-1936-x. Epub 2018 Mar 16. PMID: 29549415; PMCID: PMC5976698.

Cherian RS, Keshava SN, George O, Joseph E. Cervical aortic arch in a patient with Turner syndrome. Diagn Interv Radiol. 2010 Jun;16(2):132-3. doi: 10.4261/1305-3825.DIR.1860-08.1. Epub 2009 Oct 19. PMID: 19838992.

Nair BR, Jonathan E, Moorthy RK, Rajshekhar V, George O. An Adult with Atrial Septal Defect Presenting with a Brain Abscess . Asian J Neurosurg. 2017 Oct-Dec;12(4):743-745. doi: 10.4103/ajns.AJNS_194_14. PMID: 29114300; PMCID: PMC5652112.

Ghosh, G. C., Aparna, S. and George, O. K. Fourteen-year-old boy with decreased appetite and pedal swelling Heart; 2018: 105 (5): 405-6 Link

Ghosh GC, Rajan RJ, Leena RV, George OK. An unusual case of cerebrovascular accident in a child. Eur Heart J Cardiovasc Imaging. 2018 Sep 1;19(9):1071. doi: 10.1093/ehjci/jey070. PMID: 29757388.

Alex AG, Lahiri A; Devika, Geevar T, George OK. Observational study comparing pharmacoinvasive strategy with primary percutaneous coronary intervention in patients presenting with ST elevation myocardial infarction to a tertiary care centre in India. J Postgrad Med. 2018 Apr-Jun;64(2):80-85. doi: 10.4103/jpgm.JPGM_766_16. PMID: 29067927; PMCID: PMC5954818.

Chacko S, Joseph G, Thomson V, George P, George O, Danda D. Carbon dioxide Angiography-Guided Renal-Related Interventions in Patients with Takayasu Arteritis and Renal Insufficiency. Cardiovasc Intervent Radiol. 2018 Jul;41(7):998-1007. doi: 10.1007/s00270-018-1936-x. Epub 2018 Mar 16. PMID: 29549415; PMCID: PMC5976698.

Cherian RS, Keshava SN, George O, Joseph E. Cervical aortic arch in a patient with Turner syndrome. Diagn Interv Radiol. 2010 Jun;16(2):132-3. doi: 10.4261/1305-3825.DIR.1860-08.1. Epub 2009 Oct 19. PMID: 19838992.

Nair BR, Jonathan E, Moorthy RK, Rajshekhar V, George O. An Adult with Atrial Septal Defect Presenting with a Brain Abscess . Asian J Neurosurg. 2017 Oct-Dec;12(4):743-745. doi: 10.4103/ajns.AJNS_194_14. PMID: 29114300; PMCID: PMC5652112.

Ghosh, G. C., Aparna, S. and George, O. K. Fourteen-year-old boy with decreased appetite and pedal swelling Heart; 2018: 105 (5): 405-6 Link

Ghosh GC, Rajan RJ, Leena RV, George OK. An unusual case of cerebrovascular accident in a child. Eur Heart J Cardiovasc Imaging. 2018 Sep 1;19(9):1071. doi: 10.1093/ehjci/jey070. PMID: 29757388.

Alex AG, Lahiri A; Devika, Geevar T, George OK. Observational study comparing pharmacoinvasive strategy with primary percutaneous coronary intervention in patients presenting with ST elevation myocardial infarction to a tertiary care centre in India. J Postgrad Med. 2018 Apr-Jun;64(2):80-85. doi: 10.4103/jpgm.JPGM_766_16. PMID: 29067927; PMCID: PMC5954818.

Sudhakar P, John Jose*, Oommen K. George Contemporary outcomes of percutaneous closure of patent ductus arteriosus in adolescents and adults.” Indian heart journal vol. 70,2 (2018): 308-315. doi:10.1016/j.ihj.2017.08.001

Sahil Mahajan, Arpudh Michael Anandaraj, Lijo Varghese, Oommen Kattunilam George Contemporary Outcomes Following Endovascular Therapy of Coarctation of Aorta- Experience from a Tertiary Care Centre in India Journal of Clinical and Diagnostic Research. 2019 Sep, Vol-13(9): OC05-OC09 Link

Nathaniel Samson, Lijo Varghese, Oommen K George, George Joseph, Paul George, John Roshan Trans-catheter Device Closure of Ruptured Sinus of Valsalva Aneurysms using PDA Occluder Devices Journal of Clinical and Diagnostic Research. 2019 Oct, Vol-13(10): OC01-OC04 Link

Mahajan, S., Ghosh, G. C. and George, O. K. Red colour venous flow in the suprasternal view: a red flag sign BMJ Case Rep; 2018, 2018 Link

Binu AJ, Cherian KE, Kapoor N, Chacko ST, George O, Paul TV. The Heart of the Matter: Cardiac Manifestations of Endocrine Disease. Indian J Endocrinol Metab. 2017 Nov-Dec;21(6):919-925. doi: 10.4103/ijem.IJEM_212_17. PMID: 29285459; PMCID: PMC5729684.

Stephen G, George O, Mathai D, Kaur A, Abraham OC. Dapsone syndrome. J Assoc Physicians India. 1994 Jan;42(1):72-3. PMID: 7836258.

Nair BR, Jonathan E, Moorthy RK, Rajshekhar V, George O. An Adult with Atrial Septal Defect Presenting with a Brain Abscess. Asian J Neurosurg. 2017 Oct-Dec;12(4):743-745. doi: 10.4103/ajns.AJNS_194_14. PMID: 29114300; PMCID: PMC5652112.

Nair V, Madan H, Sofat S, Ganguli P, Jacob MJ, Datta R, Bharadwaj P, Sarkar RS, Pandit AJ, Nityanand S, Goel PK, Garg N, Gambhir S, George PV, Chandy S, Mathews V, George OK, Talwar KK, Bahl A, Marwah N, Bhatacharya A, Bhargava B, Airan B, Mohanty S, Patel CD, Sharma A, Bhatnagar S, Mondal A, Jose J, Srivastava A; MI3 Trial. Efficacy of stem cell in improvement of left ventricular function in acute myocardial infarction--MI3 Trial. Indian J Med Res. 2015 Aug;142(2):165-74. doi: 10.4103/0971-5916.164245. PMID: 26354213; PMCID: PMC4613437.

Nair V, Madan H, Sofat S, Ganguli P, Jacob MJ, Datta R, Bharadwaj P, Sarkar RS, Pandit AJ, Nityanand S, Goel PK, Garg N, Gambhir S, George PV, Chandy S, Mathews V, George OK, Talwar KK, Bahl A, Marwah N, Bhatacharya A, Bhargava B, Airan B, Mohanty S, Patel CD, Sharma A, Bhatnagar S, Mondal A, Jose J, Srivastava A; for MI3 Trial. Authors' response. Indian J Med Res. 2016 Jun;143(6):833. doi: 10.4103/0971-5916.192081. PMID: 27748312; PMCID: PMC5094127.

ANANDARAJ, A. M., VARGHESE, L., KRUPA, J., CHACKO, B. R., IRODI, A., VIMALA, L. R., & GEORGE, O. K. (2021). Can the 12-Lead Electrocardiogram Predict Myocardial Viability? Journal of Clinical & Diagnostic Research, 15(8), 18–21. https://doi.org/10.7860/JCDR/2021/50365.15207

Kaul U, Unverdorben M, Degenhardt R, Seth A, Bahl VK, Hiremath SM, Chandra P, Mullesari AS, Sandhu PS, Rao S, George O, Ackermann H, Boxberger M. The paclitaxel-eluting PTCA-balloon in combination with a cobalt-chromium stent in two different sequences to treat de novo coronary artery lesions: an angiographic follow up study. Indian Heart J. 2013 Sep-Oct;65(5):510-7. doi: 10.1016/j.ihj.2013.08.011. Epub 2013 Sep 13. PMID: 24206873; PMCID: PMC3861160.

Varghese A, Livingstone RS, Varghese L, Dey S, Jose J, Thomson VS, George OK, George PV. Radiation dose from percutaneous transluminal coronary angioplasty procedure performed using a flat detector for different clinical angiographic projections. J Radiol Prot. 2018 Jun;38(2):511-524. doi: 10.1088/1361-6498/aaab71. PMID: 38074329.

Livingstone RS, Chase D, Varghese A, George PV, George OK. Transition from image intensifier to flat panel detector in interventional cardiology: Impact of radiation dose. J Med Phys. 2015 Jan-Mar;40(1):24-8. doi: 10.4103/0971-6203.152241. PMID: 26150684; PMCID: PMC4471641.

Narayanan D, Kurien BB, Benjamin SR, Kuruvila KT, Philip MA, Thankachen R, George OK. Complications of trans-catheter closure of atrial septal defects. Indian J Thorac Cardiovasc Surg. 2022 May;38(3):262-267. doi: 10.1007/s12055-022-01341-2. Epub 2022 Mar 21. PMID: 35529019; PMCID: PMC9023636.

Joseph G, Thomson VS, Thankachen R, Kota A, George OK, Jose J, Joseph E, Sahajanandan R. A System for Accurate Deployment of Unconstrained Triple-Fenestrated Aortic Arch Endografts. J Endovasc Ther. 2022 Jan 12:15266028211067737. doi: 10.1177/15266028211067737. Epub ahead of print. PMID: 35021904.

Kumar V, Varghese MJ, Raveendran S, George OK. Pseudoaneurysm following transradial coronary angiogram. Eur Heart J. 2016 Jan 14;37(3):252. doi: 10.1093/eurheartj/ehv425. Epub 2015 Sep 10. PMID: 26358573.

Thomson VS, Aaron S, Samson D N, Krupa J, Prabhakar AT, Jose J, George P, George OK, Joseph G, Yadav BK. Patent foramen ovale closure in India; Feasibility, challenges and mid-term outcomes. Indian Heart J. 2021 Sep-Oct;73(5):656-659. doi: 10.1016/j.ihj.2021.09.001. Epub 2021 Sep 6. PMID: 34627589; PMCID: PMC8514405.

Joseph, George Joseph G.;Thomson, Viji S.a;Attumalil, Thomas V.a;Mathen, Pratheesh G.a;Anandaraj, Arpudh M.a;George, Oommen K.a;George, Paul V.a;Goel, Ruchikab;Kumar, Sathishc;Mathew, Johnb;Danda, Debashishb Outcomes of Percutaneous Intervention in Patients With Takayasu Arteritis Journal of the American College of Cardiology Volume 81, Issue 1, Pages 49 - 643 January 2023 doi: 10.1016/j.jacc.2022.10.024

Panda S, Vimala LR, Livingstone R, Pearlin B, Irodi A, Joseph E, George OK. Can epicardial and pericardial adipose tissue volume predict the presence and severity of coronary artery disease? Pol J Radiol. 2022 Jun 26;87:e348-e353. doi: 10.5114/pjr.2022.117968. PMID: 35892072; PMCID: PMC9288194.

Kumar V, Varghese MJ, George OK. Transcatheter closure of direct right pulmonary artery to left atrial communication using vascular plug. BMJ Case Rep. 2015 Nov 24;2015:bcr2015212878. doi: 10.1136/bcr-2015-212878. PMID: 26604236; PMCID: PMC4680293.

Kumar V, Varghese MJ, Raveendran S, George OK. Pseudoaneurysm following transradial coronary angiogram. Eur Heart J. 2016 Jan 14;37(3):252. doi: 10.1093/eurheartj/ehv425. Epub 2015 Sep 10. PMID: 26358573.

Roshan J, George OK, Vineet S, George PV, Jose VJ. Torsade de pointes in a case of pheochromocytoma--an unusual presentation of an uncommon disease. Indian Heart J. 2004 May-Jun;56(3):248-9. PMID: 15584572.

Thomson VS, Varghese MJ, Chacko ST, Varghese L, Alex AG, George PV, George OK, Joseph G, Yadav BK, John J. Coronary artery disease management and cost implications with fractional flow reserve guided coronary intervention in Indian patients with stable ischemic coronary artery disease. Catheter Cardiovasc Interv. 2021 Apr 1;97(5):815-824. doi: 10.1002/ccd.28897. Epub 2020 Apr 15. PMID: 32294309.

Babu NS, Vimala LR, Varghese L, George OK. An arcade in the heart: Multimodality imaging. Ann Pediatr Cardiol. 2020 Jan-Mar;13(1):95-97. doi: 10.4103/apc.APC_47_19. Epub 2019 Oct 9. PMID: 32030045; PMCID: PMC6979019.

Binu AJ, Cherian KE, Kapoor N, Chacko ST, George O, Paul TV. The Heart of the Matter: Cardiac Manifestations of Endocrine Disease. Indian J Endocrinol Metab. 2017 Nov-Dec;21(6):919-925. doi: 10.4103/ijem.IJEM_212_17. PMID: 29285459; PMCID: PMC5729684.

Varghese MJ, Lahiri A, Kumar V, Manuel DA, George OK. Unraveling the Mystery Behind A Patient with 'Refractory Seizures'. J Clin Diagn Res. 2016 Feb;10(2):OD01-2. doi: 10.7860/JCDR/2016/15308.7174. Epub 2016 Feb 1. PMID: 27042501; PMCID: PMC4800567.

Varghese MJ, George OK. Smoked out! Eur Heart J. 2016 Mar 14;37(11):918. doi: 10.1093/eurheartj/ehv362. Epub 2015 Aug 10. PMID: 26261293.

Babu Nelagondanahalli Manjunath S, Kumar Paramasivan N, George PV, George OK. Primary PCI in a nonagenarian: an uncommon predicament. BMJ Case Rep. 2020 Dec 15;13(12):e237650. doi: 10.1136/bcr-2020-237650. PMID: 33323422; PMCID: PMC7745334.

Subhendu MS, George OK, Prakash JA. Antistreptokinase antibodies and the response to thrombolysis with streptokinase in patients with acute ST elevation myocardial infarction. Heart Asia. 2012 Jan 1;4(1):7-10. doi: 10.1136/heartasia-2012-010094. PMID: 27326017; PMCID: PMC4898615.

Thomson VS, Varghese MJ, Chacko ST, Varghese L, Alex AG, George PV, George OK, Joseph G, Yadav BK, John J. Coronary artery disease management and cost implications with fractional flow reserve guided coronary intervention in Indian patients with stable ischemic coronary artery disease. Catheter Cardiovasc Interv. 2021 Apr 1;97(5):815-824. doi: 10.1002/ccd.28897. Epub 2020 Apr 15. PMID: 32294309.

Jose J, Narayanan K, Chacko ST, George OK. Infective endocarditis presenting with ST segment elevation. J Heart Valve Dis. 2011 Jul;20(4):468-70. PMID: 21863663.

Joseph G, Kamath P, George OK. Transcatheter embolization of multiple bilateral pulmonary arteriovenous malformations in hereditary hemorrhagic telangiectasia. Int J Cardiol. 2004 Oct;97(1):135-7. doi: 10.1016/j.ijcard.2003.04.056. PMID: 15336821.

Joseph G, George OK, Mandalay A, Sathe S. Transjugular approach to balloon mitral valvuloplasty helps overcome impediments caused by anatomical alterations. Catheter Cardiovasc Interv. 2002 Nov;57(3):353-62. doi: 10.1002/ccd.10358. PMID: 12410514.

Manuel DA, Lahiri A, George OK. Transcatheter closure of ruptured sinus of valsalva to left ventricle. Ann Pediatr Cardiol. 2016 Jan-Apr;9(1):72-4. doi: 10.4103/0974-2069.171386. PMID: 27011698; PMCID: PMC4782474.

Babu NS, Behera D, Alex AG, Varghese L, George OK. Cardiac tumors in both twins - A case report of a rare occurrence. Ann Pediatr Cardiol. 2020 Jul-Sep;13(3):238-240. doi: 10.4103/apc.APC_98_19. Epub 2020 Jun 11. PMID: 32863661; PMCID: PMC7437622.

George OK, Subhendu MS. Recurrent and rapidly occurring pericardial tamponade in Erdheim Chester disease. Indian Heart J. 2012 Jan-Feb;64(1):103-5. doi: 10.1016/S0019-4832(12)60023-6. Epub 2012 Mar 26. PMID: 22572439; PMCID: PMC3861001. Link

Joseph G, Varghese MJ, George OK. Transjugular balloon mitral valvotomy in a patient with severe kyphoscoliosis. Indian Heart J. 2016 Sep;68 Suppl 2(Suppl 2):S11-S14. doi: 10.1016/j.ihj.2016.01.015. Epub 2016 Jan 29. PMID: 27751258; PMCID: PMC5067793.

Lahiri A, Alex AG, George OK. T-wave inversions with a difference. BMJ Case Rep. 2016 Mar 31;2016:bcr2015214307. doi: 10.1136/bcr-2015-214307. PMID: 27033290; PMCID: PMC4840601.

Jose VJ, Gupta SN, Joseph G, Chandy ST, George OK, Pati PK, John B, George P. Prevalence of coronary artery disease in patients with rheumatic heart disease in the current era. Indian Heart J. 2004 Mar-Apr;56(2):129-31. PMID: 15377134.

F A, George OK, Alex AG, Sahitya MS. Myocardial infarction in a child with systemic lupus erythematosus. BMJ Case Rep. 2026 Feb 27;19(2):e267056. doi: 10.1136/bcr-2025-267056. PMID: 41763661. Link

Gopinath K, Kartha GB, Tulluru RS, George OK. Hypercholesterolemic valvulopathy and severe atherosclerosis in paediatric patients. Cardiol Young. 2025 Sep;35(9):1917-1922. doi: 10.1017/S1047951125109244. Epub 2025 Sep 22. PMID: 40977278.

Daniel, Ebenezer; Raja, Haynes K.; Logesh, M. R.; George, Oommen K.; George, Paul V.; Joseph, George; Krupa, Jesu. Abnormal Left Atrial Pump Strain in Patients with Proximal Left Circumflex Coronary Artery Occlusion among Patients with ST-elevation Acute Coronary Syndrome. Journal of the Indian Academy of Echocardiography & Cardiovascular Imaging 9(1):p 12-18, Jan–Apr 2025. | DOI: 10.4103/jiae.jiae_53_24