Mishra AK, Iyadurai R. Prehospital and hospital delays for stroke patients treated with thrombolysis: access to health care facility - still a bottle neck in stroke care in developing nation. Australas Emerg Care. 2019 Dec;22(4):227-228. doi: 10.1016/j.auec.2019.07.003. Epub 2019 Aug 17. PMID: 31431390.

Gunasekaran K, Mathew DE, Sudarsan TI, Iyyadurai R. Fatal colchicine intoxication by ingestion of Gloriosa superba tubers. BMJ Case Rep. 2019 May 16;12(5):e228718. doi: 10.1136/bcr-2018-228718. PMID: 31101749; PMCID: PMC6536255.

Gutta S, Prasad JD, Gunasekaran K, Iyadurai R. Hepatotoxicity and neurotoxicity of Fipronil poisoning in human: A case report. J Family Med Prim Care. 2019 Oct 31;8(10):3437-3439. doi: 10.4103/jfmpc.jfmpc_486_19. PMID: 31742187; PMCID: PMC6857411.

Das S, Job M, Kodiatte T, Iyadurai R. Atypical presentation of intrahepatic cholangiocarcinoma---Fever and ascites in a postpartum lady. J Family Med Prim Care. 2019 Nov 15;8(11):3748-3751. doi: 10.4103/jfmpc.jfmpc_748_19. PMID: 31803685; PMCID: PMC6881913.

Pragsam AK, Kumar DT, Doss CGP, Iyadurai R, Satyendra S, Rodrigues C, Joshi S, Roy I, Chaudhuri BN, Chitnis DS, Tapan D, Veeraraghavan B. In silico and In vitro activity of ceftolozane/tazobactam against pseudomonas aeruginosa collected across Indian hospitals. Indian J Med Microbiol. 2018 Jan-Mar;36(1):127-130. doi: 10.4103/ijmm.IJMM_17_349. PMID: 29735843.

Veeraraghavan B, Pragasam AK, Manesh A, Rupali P, Iyadurai R, Rodrigues C, Joshi S, Roy I, Chaudhuri BN, Chitnis DS, Tapan D. Dosing strategy based on prevailing aminoglycoside minimum inhibitory concentration in India: Evidence and issues. Indian J Med Microbiol. 2017 Oct-Dec;35(4):585-587. doi: 10.4103/ijmm.IJMM_17_386. PMID: 29405154.

Mishra AK, Iyadurai R. Prehospital and hospital delays for stroke patients treated with thrombolysis: access to health care facility - still a bottle neck in stroke care in developing nation. Australas Emerg Care. 2019 Dec;22(4):227-228. doi: 10.1016/j.auec.2019.07.003. Epub 2019 Aug 17. PMID: 31431390.

Gunasekaran K, Mathew DE, Sudarsan TI, Iyyadurai R. Fatal colchicine intoxication by ingestion of Gloriosa superba tubers. BMJ Case Rep. 2019 May 16;12(5):e228718. doi: 10.1136/bcr-2018-228718. PMID: 31101749; PMCID: PMC6536255.

Gutta S, Prasad JD, Gunasekaran K, Iyadurai R. Hepatotoxicity and neurotoxicity of Fipronil poisoning in human: A case report. J Family Med Prim Care. 2019 Oct 31;8(10):3437-3439. doi: 10.4103/jfmpc.jfmpc_486_19. PMID: 31742187; PMCID: PMC6857411.

Das S, Job M, Kodiatte T, Iyadurai R. Atypical presentation of intrahepatic cholangiocarcinoma---Fever and ascites in a postpartum lady. J Family Med Prim Care. 2019 Nov 15;8(11):3748-3751. doi: 10.4103/jfmpc.jfmpc_748_19. PMID: 31803685; PMCID: PMC6881913.

Pragsam AK, Kumar DT, Doss CGP, Iyadurai R, Satyendra S, Rodrigues C, Joshi S, Roy I, Chaudhuri BN, Chitnis DS, Tapan D, Veeraraghavan B. In silico and In vitro activity of ceftolozane/tazobactam against pseudomonas aeruginosa collected across Indian hospitals. Indian J Med Microbiol. 2018 Jan-Mar;36(1):127-130. doi: 10.4103/ijmm.IJMM_17_349. PMID: 29735843.

Veeraraghavan B, Pragasam AK, Manesh A, Rupali P, Iyadurai R, Rodrigues C, Joshi S, Roy I, Chaudhuri BN, Chitnis DS, Tapan D. Dosing strategy based on prevailing aminoglycoside minimum inhibitory concentration in India: Evidence and issues. Indian J Med Microbiol. 2017 Oct-Dec;35(4):585-587. doi: 10.4103/ijmm.IJMM_17_386. PMID: 29405154.

Griffith M, Peter JV, Karthik G, Ramakrishna K, Prakash JA, Kalki RC, Varghese GM, Chrispal A, Pichamuthu K, Iyyadurai R, Abraham OC. Profile of organ dysfunction and predictors of mortality in severe scrub typhus infection requiring intensive care admission. Indian J Crit Care Med. 2014 Aug;18(8):497-502. doi: 10.4103/0972-5229.138145. PMID: 25136187; PMCID: PMC4134622.

Koshy M, Raj Mani SS, Rajan SJ, Iyyadurai R, Sathyendra S. Vertical integration in the teaching of final year medical students. J Adv Med Educ Prof. 2018 Oct;6(4):188-189. PMID: 30349832; PMCID: PMC6191831.A

Rodrigues J, Iyyadurai R, Sathyendra S, Jagannati M, Prabhakar Abhilash KP, Rajan SJ. Clinical presentation, etiology, management, and outcomes of iliopsoas abscess from a tertiary care center in South India. J Family Med Prim Care. 2017 Oct-Dec;6(4):836-839. doi: 10.4103/jfmpc.jfmpc_19_17. PMID: 29564273; PMCID: PMC5848408.

John K, Gunasekaran K, Kodiatte TA, Iyyadurai R. Cutaneous botryomycosis of the foot: A case report and review of literature. Indian J Med Microbiol. 2018 Jul-Sep;36(3):447-449. doi: 10.4103/ijmm.IJMM_18_347. PMID: 30429406.

Ninan MM, George TK, Balaji V, Ramya I. Extended spectrum β-lactamase producing Shigella flexneri serotype-2 causing bacteremia in a patient with uncontrolled diabetes mellitus. Indian J Pathol Microbiol. 2016 Jul-Sep;59(3):420-1. doi: 10.4103/0377-4929.188120. PMID: 27510696.

Paul WB, Ramya I, George R, Viggeswarpu S. Diagnosis of Calciphylaxis by Imaging with Low-energy-X-rays (Mammographic Technique). J Assoc Physicians India. 2015 Dec;63(12):69. PMID: 27666907.

Mishra AK, Aaron S, Abhilash K, Iyadurai R, Shaikh A, Lazarus E, Alexander V, George AA, Vishali P, Sudarsanam TD. Simple telephone call a feasible, useful and acceptable method of following up patients with cerebrovascular accidents: Prospective Cohort study in South India. Int J Stroke. 2016 Oct;11(8):NP87-NP88. doi: 10.1177/1747493016654486. Epub 2016 Jul 9. PMID: 27306362.

Thomas K, Peter JV, Christina J, Jagadish AR, Rajan A, Lionel P, Jeyaseelan L, Yadav B, John G, Pichamuthu K, Chacko B, Pari P, Murugesan T, Rajendran K, John A, Sathyendra S, Iyyadurai R, Jasmine S, Karthik R, Mathuram A, Hansdak SG, Abhilash KP, Kumar S, John KR, Sudarsanam TD. Cost-utility in medical intensive care patients. Rationalizing ongoing care and timing of discharge from intensive care. Ann Am Thorac Soc. 2015 Jul;12(7):1058-65. doi: 10.1513/AnnalsATS.201411-527OC. PMID: 26011090.

Benjamin RN, David T, Iyadurai R, Jacob KS. Suicidal Nonorganophosphate Poisoning in a Tertiary Hospital in South India: Nature, Prevalence, Risk Factors. Indian J Psychol Med. 2018 Jan-Feb;40(1):47-51. doi: 10.4103/IJPSYM.IJPSYM_223_17. PMID: 29403130; PMCID: PMC5795679.

Jagannati M, Ramya I, Sathyendra S. Occupation-related chromium toxicity a rare cause of renal failure and rhabdomyolysis. Indian J Occup Environ Med. 2016 Sep-Dec;20(3):150-152. doi: 10.4103/0019-5278.203135. PMID: 28446841; PMCID: PMC5384394.

Iyyadurai R, Surekha V, Sathyendra S, Paul Wilson B, Gopinath KG. Azadirachtin poisoning: a case report. Clin Toxicol (Phila). 2010 Oct;48(8):857-8. doi: 10.3109/15563650.2010.518148. Epub 2010 Oct 8. PMID: 20932102.

Karthik G, Sudarsan TI, Peter JV, Sudarsanam T, Varghese GM, Kundavaram P, Sathyendra S, Iyyadurai R, Pichamuthu K. Spectrum of cardiac manifestations and its relationship to outcomes in patients admitted with scrub typhus infection. World J Crit Care Med. 2018 Feb 4;7(1):16-23. doi: 10.5492/wjccm.v7.i1.16. PMID: 29430404; PMCID: PMC5797972.

Gopal GK, Wilson BP, Viggeswarpu S, Sathyendra S, Iyyadurai R, Visvanathan R, Mathews KP. Clinical Profile and Predictors of Outcomes in Older Inpatients with Pyelonephritis in a Tertiary Care Hospital in Southern India. J Clin Diagn Res. 2015 Oct;9(10):OC05-7. doi: 10.7860/JCDR/2015/15964.6616. Epub 2015 Oct 1. PMID: 26557554; PMCID: PMC4625273.

Daniel E, Mishra AK, Mannam P, Ramya I. Reversible splenial lesion in primary dengue fever. J Vector Borne Dis. 2019 Jul-Sep;56(3):272-275. doi: 10.4103/0972-9062.289400. PMID: 32655078.

Dv K, Gunasekaran K, Mishra AK, Iyyadurai R. Disseminated tuberculosis presenting as cold abscess of the thyroid gland-a case report. Oxf Med Case Reports. 2017 Sep 11;2017(9):omx049. doi: 10.1093/omcr/omx049. PMID: 28928976; PMCID: PMC5597852.

Iyyadurai R, George IA, Peter JV. Imidacloprid poisoning--newer insecticide and fatal toxicity. J Med Toxicol. 2010 Mar;6(1):77-8. doi: 10.1007/s13181-010-0041-6. PMID: 20232186; PMCID: PMC3550443.

John K, Mishra AK, Gunasekaran K, Iyyadurai R. Amlodipine-Induced Gingival Hyperplasia in a Young Male with Stage 5 Chronic Kidney Disease. Case Rep Nephrol. 2020 Feb 12;2020:7801546. doi: 10.1155/2020/7801546. PMID: 32099704; PMCID: PMC7038384.

John KJ, Gunasekaran K, Prasad JD, Mathew D, Das S, Sultan N, Abraham AM, Iyyadurai R. Predictors of Major Bleeding and Mortality in Dengue Infection: A Retrospective Observational Study in a Tertiary Care Centre in South India. Interdiscip Perspect Infect Dis. 2019 Sep 4;2019:4823791. doi: 10.1155/2019/4823791. PMID: 31565054; PMCID: PMC6746148.

John KJ, Gunasekaran K, Sultan N, Iyyadurai R. Cytomegalovirus ventriculoencephalitis presenting with hydrocephalus in a patient with advanced HIV infection. Oxf Med Case Reports. 2019 Nov 11;2019(10):omz104. doi: 10.1093/omcr/omz104. PMID: 31798920; PMCID: PMC6874864.

John KJ, Mishra AK, Iyyadurai R. A case report of cardiac amyloidosis presenting with chronic pericardial effusion and conduction block. Eur Heart J Case Rep. 2019 Dec;3(4):1-7. doi: 10.1093/ehjcr/ytz162. Epub 2019 Sep 24. PMID: 31911988; PMCID: PMC6939806.

Jose R, Chacko B, Iyyadurai R, Peter JV. Polythene predicament. J Emerg Med. 2012 Jul;43(1):e31-3. doi: 10.1016/j.jemermed.2009.07.034. Epub 2009 Sep 17. PMID: 19765939.

Alexander ST, Kattula D, Mannam P, Iyyadurai R. Risperidone Induced Benign Intracranial Hypertension Leading to Visual Loss. Indian J Psychol Med. 2016 May-Jun;38(3):249-51. doi: 10.4103/0253-7176.183075. PMID: 27335522; PMCID: PMC4904763.

Deodhar D, Frenzen F, Rupali P, David D, Promila M, Ramya I, Seshadri MS. Disseminated histoplasmosis: a comparative study of the clinical features and outcome among immunocompromised and immunocompetent patients. Natl Med J India. 2013 Jul-Aug;26(4):214-5. PMID: 24758444.

George T, Venkataraman M, Mukhopadhyay S, Ramya I. Hansen's disease: An unusual presentation. J Family Med Prim Care. 2017 Jul-Sep;6(3):666-668. doi: 10.4103/2249-4863.222041. PMID: 29417030; PMCID: PMC5787977.

Gopalakrishnan S, Kandasamy S, Iyyadurai R. Rodenticide Poisoning: Critical Appraisal of Patients at a Tertiary Care Center. Indian J Crit Care Med. 2020 May;24(5):295-298. doi: 10.5005/jp-journals-10071-23426. PMID: 32728318; PMCID: PMC7358862.

Gunasekaran K, Amladi A, Mathew SK, Miraclin TA, Iyyadurai R. A case of septicaemic melioidosis: Utility of therapeutic drug monitoring and high-dose meropenem in successful management. Indian J Med Microbiol. 2018 Oct-Dec;36(4):597-599. doi: 10.4103/ijmm.IJMM_18_433. PMID: 30880715.

Janeela MA, Oommen A, Misra AK, Ramya I. Paraquat poisoning: Case report of a survivor. J Family Med Prim Care. 2017 Jul-Sep;6(3):672-673. doi: 10.4103/2249-4863.222042. PMID: 29417032; PMCID: PMC5787979.

Mathew SK, Kutty KK, Ramya I, Padmakumar C, Pius P. Ondansetron-Induced Life Threatening Hypokalemia. J Assoc Physicians India. 2016 Feb;64(2):81-82. PMID: 27730793.

Iyyadurai R, Peter JV, Immanuel S, Begum A, Zachariah A, Jasmine S, Abhilash KP. Organophosphate-pyrethroid combination pesticides may be associated with increased toxicity in human poisoning compared to either pesticide alone. Clin Toxicol (Phila). 2014 Jun;52(5):538-41. doi: 10.3109/15563650.2014.909933. Epub 2014 Apr 29. PMID: 24779865.

Mathuram AJ, Michael JS, Turaka VP, Jasmine S, Carey R, Ramya I. Mycobacterial blood culture as the only means of diagnosis of disseminated tuberculosis in advanced HIV infection. Trop Doct. 2018 Apr;48(2):100-102. doi: 10.1177/0049475517747491. Epub 2017 Dec 13. PMID: 29235968.

Mishra AK, Devakiruba NS, Jasmine S, Sathyendra S, Zachariah A, Iyadurai R. Clinical spectrum of yellow phosphorous poisoning in a tertiary care centre in South India: a case series. Trop Doct. 2017 Jul;47(3):245-249. doi: 10.1177/0049475516668986. Epub 2016 Sep 23. PMID: 27663491.

Peter JV, Thomas L, Graham PL, Moran JL, Abhilash KP, Jasmine S, Iyyadurai R. Performance of clinical scoring systems in acute organophosphate poisoning. Clin Toxicol (Phila). 2013 Nov;51(9):850-4. doi: 10.3109/15563650.2013.841181. Epub 2013 Sep 26. PMID: 24066733.

Chrispal A, Begum A, Ramya I, Zachariah A. Hair dye poisoning--an emerging problem in the tropics: an experience from a tertiary care hospital in South India. Trop Doct. 2010 Apr;40(2):100-3. doi: 10.1258/td.2010.090367. PMID: 20305106.

Patole S, Ramya I. Bilateral Renal Vein Thrombosis due to Elevated Factor VIII Levels. J Assoc Physicians India. 2015 Aug;63(8):87-8. PMID: 27604446.

Pragasam AK, Veeraraghavan B, Anandan S, Narasiman V, Sistla S, Kapil A, Mathur P, Ray P, Wattal C, Bhattacharya S, Deotale V, Subramani K, Peter JV, Hariharan TD, Ramya I, Iniyan S, Walia K, Ohri VC. Dominance of international high-risk clones in carbapenemase-producing Pseudomonas aeruginosa: Multicentric molecular epidemiology report from India. Indian J Med Microbiol. 2018 Jul-Sep;36(3):344-351. doi: 10.4103/ijmm.IJMM_18_294. PMID: 30429385.

Ramya I, Mathews KP, Pichamuthu K, Keshava SN, Balamugesh T, Ramamani M, Surekha V, Mammen T. Endotracheal tuberculous stenosis: ventilation rescue and bronchography guided stenting. Indian J Chest Dis Allied Sci. 2010 Jan-Mar;52(1):55-8. PMID: 20364617.

Thomas VV, George T, Mishra AK, Mannam P, Ramya I. Lateral medullary syndrome after a scorpion sting. J Family Med Prim Care. 2017 Jan-Mar;6(1):155-157. doi: 10.4103/2249-4863.214988. PMID: 29026772; PMCID: PMC5629884.

Vijayakumar S, Mathur P, Kapil A, Das BK, Ray P, Gautam V, Sistla S, Parija SC, Walia K, Ohri VC, Anandan S, Subramani K, Ramya I, Veeraraghavan B. Molecular characterization & epidemiology of carbapenem-resistant Acinetobacter baumannii collected across India. Indian J Med Res. 2019 Feb;149(2):240-246. doi: 10.4103/ijmr.IJMR_2085_17. PMID: 31219089; PMCID: PMC6563728.

Miraclin AT, Mani SS, Suresh S, Iyyadurai R. Septicemic Melioidosis with Ruptured Splenic Abscess in a Patient with Thalassemia Intermedia. J Glob Infect Dis. 2017 Jan-Mar;9(1):32-33. doi: 10.4103/0974-777X.194372. PMID: 28250624; PMCID: PMC5330043.

Iyadurai R, Viggeswarpu S, Zachariah A. Career destination and reason for career destination preferences among medical graduates from Christian Medical College Vellore - Does rural service obligation increase retention of medical graduates in rural service? J Family Med Prim Care. 2019 Jul;8(7):2401-2404. doi: 10.4103/jfmpc.jfmpc_388_19. PMID: 31463265; PMCID: PMC6691409.

Alexander V, Das S, Mangan AS, Iyadurai R. Acute parvovirus B19 infection presenting as rheumatoid arthritis mimic. J Family Med Prim Care. 2019 Mar;8(3):1257-1259. doi: 10.4103/jfmpc.jfmpc_25_19. PMID: 31041286; PMCID: PMC6482719.

George JT, Mishra AK, Iyadurai R. Correlation between the outcomes and severity of diabetic ketoacidosis: A retrospective pilot study. J Family Med Prim Care. 2018 Jul-Aug;7(4):787-790. doi: 10.4103/jfmpc.jfmpc_116_18. PMID: 30234054; PMCID: PMC6132019.

John Binu A, Kumar Mishra A, Gunasekaran K, Iyadurai R. Cardiovascular manifestations and patient outcomes following snake envenomation: a pilot study. Trop Doct. 2019 Jan;49(1):10-13. doi: 10.1177/0049475518814019. Epub 2018 Nov 28. PMID: 30486743.

Iyyadurai R, Carey RA, Satyendra S. Low-dose methotrexate-induced acute interstitial pneumonitis: Report of two cases from South India and review of literature. J Family Med Prim Care. 2016 Oct-Dec;5(4):875-878. doi: 10.4103/2249-4863.201163. PMID: 28349012; PMCID: PMC5353835.

Mani SSR, Gunasekaran K, Iyyadurai R, Prakash JAJ, Veeraraghavan B, Mishra AK, Sabnis K, Victor PJ, Martin S, Chandiraseharan VK, Hansdak SG, Varghese GM. Clinical spectrum, susceptibility profile, treatment and outcome of culture-confirmed brucellosis from South India. Indian J Med Microbiol. 2018 Apr-Jun;36(2):289-292. doi: 10.4103/ijmm.IJMM_18_236. PMID: 30084427.

Koshy, M., Raj Mani, S. S., Rajan, S. J., Iyyadurai, R. and Sathyendra, S. Vertical integration in the teaching of final year medical students J Adv Med Educ Prof; 2018, 6 (4): 188-189

Gunasekaran K, Amladi A, Mathew SK, Miraclin TA, Iyyadurai R. A case of septicaemic melioidosis: Utility of therapeutic drug monitoring and high-dose meropenem in successful management. Indian J Med Microbiol. 2018 Oct-Dec;36(4):597-599. doi: 10.4103/ijmm.IJMM_18_433. PMID: 30880715.

Ramya I, Mitra S, D'Sa S, Sathyendra S, Zachariah A, Kumar CV, Carey RAB, Verghese GM. Outcomes and factors influencing outcomes of critically ill HIV-positive patients in a tertiary care center in South India. J Family Med Prim Care. 2019 Jan;8(1):97-101. doi: 10.4103/jfmpc.jfmpc_156_18. PMID: 30911487; PMCID: PMC6396590.

Devanga Ragupathi NK, Veeraraghavan B, Muthuirulandi Sethuvel DP, Anandan S, Vasudevan K, Neeravi AR, Daniel JLK, Sathyendra S, Iyadurai R, Mutreja A. First Indian report on genome-wide comparison of multidrug-resistant Escherichia coli from blood stream infections. PLoS One. 2020 Feb 26;15(2):e0220428. doi: 10.1371/journal.pone.0220428. PMID: 32101543; PMCID: PMC7043739.

Mani SSR, Iyyadurai R. Cloxacillin induced agranulocytosis: A rare adverse event of a commonly used antibiotic. Int J Immunopathol Pharmacol. 2017 Sep;30(3):297-301. doi: 10.1177/0394632017724320. Epub 2017 Aug 8. PMID: 28786715; PMCID: PMC5815267.

Mani SSR, Mathansingh AJ, Kaur H, Iyyadurai R. Ruptured intracranial tuberculous aneurysm, a rare complication of central nervous system tuberculosis- A report and review of literature. Neurol India. 2017 May-Jun;65(3):626-628. doi: 10.4103/neuroindia.NI_1280_16. PMID: 28488632.

Thomas VV, Kumar SE, Alexander V, Nadaraj A, Vijayalekshmi B, Prabhu S, Kumar S, Murugabharathy K, Thomas SM, Hansdak S, Carey R, Iyyadurai R, Pichamuthu K, Abhilash KPP, Varghese GM, Nair S, Goel A, Jeyaseelan L, Zachariah U, Zachariah A, Eapen CE. Plasma Von Willebrand Factor Levels Predict Survival in COVID-19 Patients Across the Entire Spectrum of Disease Severity. Indian J Hematol Blood Transfus. 2021 Jun 20:1-8. doi: 10.1007/s12288-021-01459-0. Epub ahead of print. PMID: 34177141; PMCID: PMC8214842.

Mishra, A., Binu, A., Abraham, G., Vanjare, H., George, T. and Iyadurai, R. Cerebrovascular Injury Following Scorpion Sting and Snake Envenomation: A Case Series Can J Neurol Sci; 2018, 45 (6): 669-674 Link

Mishra, Ajay, Sugdeb, Vivek, Lahiri, Anandaroop and Ramya, I Outcomes related to acute decompensated heart failure admissions: A pilot study Current Medical Issues; 2018, 16 (2): 52-55

Ninan F, Mishra AK, John AO, Iyadurai R. Splenic granuloma: Melioidosis or Tuberculosis? J Family Med Prim Care. 2018 Jan-Feb;7(1):271-273. doi: 10.4103/jfmpc.jfmpc_171_17. PMID: 29915776; PMCID: PMC5958587.

Iyadurai R, Viggeswarpu S, Zachariah A. Career destination and reason for career destination preferences among medical graduates from Christian Medical College Vellore - Does rural service obligation increase retention of medical graduates in rural service? J Family Med Prim Care. 2019 Jul;8(7):2401-2404. doi: 10.4103/jfmpc.jfmpc_388_19. PMID: 31463265; PMCID: PMC6691409.

Balaji V, Perumalla S, Perumal R, Inbanathan FY, Rajamani Sekar SK, Paul MM, Sahni RD, Prakash JAJ, Iyadurai R Multi locus sequence typing of Burkholderia pseudomallei isolates from India unveils molecular diversity and confers regional association in Southeast Asia. PLoS Negl Trop Dis. 2018 Jun 27;12(6):e0006558. doi: 10.1371/journal.pntd.0006558. PMID: 29949580; PMCID: PMC6053238.

Ninan K F, Iyadurai R, Varghese JK, Geevar T, Nair SC, Yadav B, Carey RAB, Sadiq J M, Koshy M, Ralph R, Peter JV. Thromboelastograph:A prognostic marker in sepsis with organ dysfunction without overt bleeding. J Crit Care. 2021 Oct;65:177-183. doi: 10.1016/j.jcrc.2021.06.005. Epub 2021 Jun 23. PMID: 34171693.

Jacob A, Iyadurai R, Punitha JV, Chacko B, Jasmine S, Bharathy M, Mathew D, Veeraraghavan B. Stenotrophomonas isolates in a tertiary care centre in South India. Indian J Med Microbiol. 2021 Nov 19:S0255-0857(21)04708-3. doi: 10.1016/j.ijmmb.2021.11.004. Epub ahead of print. PMID: 34810033.

Barnabas R, Abhilash K, Varghese GM, Shubanker M, Ramya I, Prakash J. Prospective study to assess the treatment modalities and fever defervescence in patients with scrub typhus from a tertiary care centre in South India. J Vector Borne Dis. 2021 Jan-Mar;58(1):33-38. doi: 10.4103/0972-9062.321748. PMID: 34818861.

Ninan GA, Gunasekaran K, Jayakaran JAJ, Johnson J, Abhilash K, Pichamuthu K, Iyadurai R. Heat-related illness-Clinical profile and predictors of outcome from a healthcare center in South India. J Family Med Prim Care. 2020 Aug 25;9(8):4210-4215. doi: 10.4103/jfmpc.jfmpc_690_20. PMID: 33110834; PMCID: PMC7586615.

Mishra AK, Iyadurai R, George AA, Rajdurai E, Surekha V. Etiological and clinicopathological study of secondary small vessel vasculitis in elderly: A case series of 12 patients. J Family Med Prim Care. 2017 Jan-Mar;6(1):106-109. doi: 10.4103/2249-4863.214977. PMID: 29026760; PMCID: PMC5629871.

Thomas R, Turaka VP, Peter JV, Christopher DJ, Balamugesh T, Mahasampath G, Mathuram AJ, Sadiq M, Ramya I, George T, Chandireseharan V, George T, Sudarsanam TD. Good survival rate, moderate overall and good respirator quality of life, near normal pulmonary functions, and good return to work despite catastrophic economic costs 6 months following recovery from Acute Respiratory Distress Syndrome. Lung India. 2022 Mar-Apr;39(2):169-173. doi: 10.4103/lungindia.lungindia_6_21. PMID: 35259800; PMCID: PMC9053934.

Raj Mani SS, Iyyadurai R, Mishra AK, Manjunath K, Prasad J, Lakshmanan J, Yadav B, Reginald A, Jasmine S, Hansdak SG, Zachariah A. Predicting antitubercular drug-induced liver injury and its outcome and introducing a novel scoring system. Int J Mycobacteriol. 2021 Apr-Jun;10(2):116-121. doi: 10.4103/ijmy.ijmy_15_21. PMID: 34558461.

Bakthavatchalam YD, Puraswani M, Livingston A, Priya M, Venkatesan D, Sharma D, Iyadurai R, Pichamuthu K, Veeraraghavan B, Mathur P. Novel linear plasmids carrying vanA cluster drives the spread of vancomycin resistance in Enterococcus faecium in India. J Glob Antimicrob Resist. 2022 Mar 23;29:168-172. doi: 10.1016/j.jgar.2022.03.013. Epub ahead of print. PMID: 35339734.

Jacob MS, Iyyadurai R, Jose A, Fleming JJ, Rebekah G, Zachariah A, Hansdak SG, Alex R, Chandiraseharan VK, Lenin A, Peter JV. Clinical presentation of type 1 and type 2 pyrethroid poisoning in humans. Clin Toxicol (Phila). 2021 Oct 21:1-8. doi: 10.1080/15563650.2021.1994145. Epub ahead of print. PMID: 34672857.

Isaac BTJ, Priya N, Nair AA, Thangakunam B, Balachandran A, George T, Thomas SM, George TK, Iyadurai R, Kumar SS, Zachariah A, Singh B, Rupali P, Pichamuthu K, Gupta R, Daniel J, Sasikumar JR, Chandy ST, Christopher DJ. Treatment of COVID-19 Acute Respiratory Distress Syndrome With a Tabletop Noninvasive Ventilation Device in a Respiratory Intermediate Care Unit. Mayo Clin Proc Innov Qual Outcomes. 2022 Jun;6(3):239-249. doi: 10.1016/j.mayocpiqo.2022.04.001. Epub 2022 Apr 19. PMID: 35463482; PMCID: PMC9015959.

Kaswala C, Schmiedel Y, Kundu D, George MM, Dayanand D, Devasagayam E, Manesh S A, Kumar SS, Michael JS, Ninan MM, Chacko G, Zachariah A, Sathyendra S, Hansdak SG, Iyadurai R, Christopher DJ, Gupta R, Karthik R, Abraham OC, Varghese GM. Accuracy of Gene Xpert MTB/RIF Ultra for the diagnosis of tuberculosis in adult patients: A retrospective cohort study. Int J Infect Dis. 2022 Jul 7:S1201-9712(22)00410-6. doi: 10.1016/j.ijid.2022.07.016. Epub ahead of print. PMID: 35811084.

Cherian LM, Varghese L, Rupa V, Bright RR, Abraham L, Panicker R, R N, Peter J, Nayak A, Shyam A, Varghese GM, Manesh A, Karuppusami R, George K, George T, Lenin A, Hansdak SG, I R, Michael JS, Ninan M, Thomas M, Kurian R, Mammen S, Kurien R. Rhino-orbito-cerebral mucormycosis: patient characteristics in pre-COVID-19 and COVID-19 period. Rhinology. 2022 Dec 1;60(6):427-434. doi: 10.4193/Rhin22.099. PMID: 36150158.

Georgy JT, Jayakaran JAJ, Jacob AS, Gunasekaran K, Korula PJ, Devasia AJ, Iyadurai R. Evans syndrome and immune thrombocytopenia in two patients with COVID-19. J Med Virol. 2021 May;93(5):2642-2644. doi: 10.1002/jmv.26906. Epub 2021 Mar 9. PMID: 33634495; PMCID:

Veeraraghavan B, Bakthavatchalam YD, Kandasamy S, Iyadurai R. Clinical efficacy of novel combinations of older beta-lactam and beta-lactamase inhibitors: Where are the evidences? Indian J Med Microbiol. 2021 Dec 28:S0255-0857(21)04725-3. doi: 10.1016/j.ijmmb.2021.12.005. Epub ahead of print. PMID: 34972570.

Sekaran K, Polachirakkal Varghese R, Gnanasambandan R, Karthik G, Ramya I, George Priya Doss C. Molecular modeling of C1-inhibitor as SARS-CoV-2 target identified from the immune signatures of multiple tissues: An integrated bioinformatics study. Cell Biochem Funct. 2023 Jan;41(1):112-127. doi: 10.1002/cbf.3769. Epub 2022 Dec 14. PMID: 36517964.

Arthur M, Pichamuthu K, Turaka VP, Putta T, Jeeyavudeen MS, Zachariah A, Sathyendra S, Hansdak SG, Iyadurai R, Karuppusami R, Sudarsanam TD. Bedside lung ultrasonography: comparison with chest radiography (BLUR), a diagnostic study in a developing country. Postgrad Med J. 2022 Sep 14:postgradmedj-2021-141343. doi: 10.1136/pmj-2021-141343. Epub ahead of print. PMID: 36104167.

Cherian LM, Varghese L, Rupa V, Bright RR, Abraham L, Panicker R, R N, Peter J, Nayak A, Shyam A, Varghese GM, Manesh A, Karuppusami R, George K, George T, Lenin A, Hansdak SG, I R, Michael JS, Ninan M, Thomas M, Kurian R, Mammen S, Kurien R. Rhino-orbito-cerebral mucormycosis: patient characteristics in pre-COVID-19 and COVID-19 period. Rhinology. 2022 Dec 1;60(6):427-434. doi: 10.4193/Rhin22.099. PMID: 36150158.

Vanjare HA, Gunasekaran K, Manesh A, Mishra AK, Mannam P, Iyadurai R, Jasper A, Mani S. Evaluation of intracranial vasculitis in tuberculous meningitis using magnetic resonance vessel wall imaging technique. Int J Mycobacteriol. 2021 Jul-Sep;10(3):228-233. doi: 10.4103/ijmy.ijmy_117_21. PMID: 34494560.

Vanjare HA, Gunasekaran K, Manesh A, Mishra AK, Mannam P, Iyadurai R, Jasper A, Mani S. Evaluation of intracranial vasculitis in tuberculous meningitis using magnetic resonance vessel wall imaging technique. Int J Mycobacteriol. 2021 Jul-Sep;10(3):228-233. doi: 10.4103/ijmy.ijmy_117_21. PMID: 34494560.

Das S, Sathyendra S, Hephzibah J, Karuppusami R, Gunasekaran K, Shanthly N, Miraclin A, Iyadurai R. Utility of positron emission tomography-computed tomography in the evaluation of fever of unknown origin in a resource-limited tropical nation. World J Nucl Med. 2021 Aug 20;20(3):237-246. doi: 10.4103/wjnm.WJNM_99_20. PMID: 34703391; PMCID: PMC8488897.

Manesh A, Shankar C, George MM, Jasrotia DS, Lal B, George B, Mathews V, Eapen CE, Joseph P, Subramani K, Rao S, Peter JV, Chacko B, Zachariah A, Sathyendra S, Hansdak SG, Abraham OC, Iyadurai R, Vijayakumar S, Karthik R, Marwick CA, Parcell BJ, Gilbert IH, Veeraraghavan B, Varghese GM. Clinical and Genomic Evolution of Carbapenem-Resistant Klebsiella pneumoniae Bloodstream Infections over Two Time Periods at a Tertiary Care Hospital in South India: A Prospective Cohort Study. Infect Dis Ther. 2023 May;12(5):1319-1335. doi: 10.1007/s40121-023-00803-3. Epub 2023 Apr 16. PMID: 37062023; PMCID: PMC10229510.

Prakash JAJ, Jacob JJ, Rachel T, Vasudevan K, Amladi A, Iyadurai R, Manesh A, Veeraraghavan B. Genomic analysis of Brucella melitensis reveals new insights into phylogeny and evolutionary divergence. Indian J Med Microbiol. 2023 Jul-Aug;44:100360. doi: 10.1016/j.ijmmb.2023.02.003. Epub 2023 May 11. PMID: 37356834.

Kaswala C, Schmiedel Y, Kundu D, George MM, Dayanand D, Devasagayam E, S AM, Kumar SS, Michael JS, Ninan MM, Chacko G, Zachariah A, Sathyendra S, Hansdak SG, Iyadurai R, Christopher DJ, Gupta R, Karthik R, Abraham OC, Varghese GM. Accuracy of Xpert MTB/RIF Ultra for the diagnosis of tuberculosis in adult patients: a retrospective cohort study. Int J Infect Dis. 2022 Sep;122:566-568. doi: 10.1016/j.ijid.2022.07.016. Epub 2022 Jul 8. PMID: 35811084.

Das S, Gunasekaran K, Ajjampur SSR, Abraham D, George T, Janeela MA, Iyadurai R. Acanthamoeba encephalitis in immunocompetent hosts: A report of two cases. J Family Med Prim Care. 2020 Feb 28;9(2):1240-1243. doi: 10.4103/jfmpc.jfmpc_1010_19. PMID: 32318505; PMCID: PMC7114032. Link

Iyadurai R, Gunasekaran K, Jose A, Pitchaimuthu K. Calotropis poisoning with severe cardiac toxicity A case report. J Family Med Prim Care. 2020 Aug 25;9(8):4444-4447. doi: 10.4103/jfmpc.jfmpc_783_20. PMID: 33110881; PMCID: PMC7586564. Link

Das S, Ninan GA, Jasper S, George M, Iyadurai R. Spotted fever rickettsiosis presenting with bilateral anterior uveitis and retinitis: A case report. J Family Med Prim Care. 2020 Feb 28;9(2):1236-1239. doi: 10.4103/jfmpc.jfmpc_1009_19. PMID: 32318504; PMCID: PMC7114010.

Iyadurai R, Gunasekaran K, Jose A, Pitchaimuthu K. Calotropis poisoning with severe cardiac toxicity A case report. J Family Med Prim Care. 2020 Aug 25;9(8):4444-4447. doi: 10.4103/jfmpc.jfmpc_783_20. PMID: 33110881; PMCID: PMC7586564.

Ratinam J, Mishra AK, Muthuram AJ, Miraclin A, Chandy GM, Vanjare HA, Turaka VP, Jude J, Hansdak SG, Iyadurai R. Role of cerebrospinal fluid C-reactive protein in tuberculous meningitis. Int J Mycobacteriol. 2020 Oct-Dec;9(4):422-428. doi: 10.4103/ijmy.ijmy_178_20. PMID: 33323659.

Alexander ST, Kattula D, Mannam P, Iyyadurai R. Risperidone Induced Benign Intracranial Hypertension Leading to Visual Loss. Indian J Psychol Med. 2016 May-Jun;38(3):249-51. doi: 10.4103/0253-7176.183075. PMID: 27335522; PMCID: PMC4904763.

Kundavaram APP, Selvan S, Raja V, Mathiyalagan P, Kanagarajan R, Reddy NP, Rajendiran N, Hazra D, Gunasekaran K, Moorthy M, Lenin A, Mathew D, Iyyadurai R, Varghese GM, Dj C, Joy M, Peter JV. Retrospective study of comparison of clinical severity and outcome of hospitalised COVID-19 patients during the first and second waves of the pandemic in India. BMJ Open. 2022 Nov 21;12(11):e062724. doi: 10.1136/bmjopen-2022-062724. PMID: 36410807; PMCID: PMC9679869.

Barnabas R , Yadav B, Jayakaran J, Gunasekaran K,Johnson J, Pichamuthu K, Iyadurai R. Direct Costs of Healthcare among Patients with Deliberate Self-harm: A Pilot Study from a Tertiary Care Hospital in South India. Indian Journal of Critical Care Medicine; 2022, 26 (7): 836-838.

Sekaran K, Gnanasambandan R, Thirunavukarasu R, Iyyadurai R, Karthick G, George Priya Doss C. A systematic review of artificial intelligence-based COVID-19 modeling on multimodal genetic information. Prog Biophys Mol Biol. 2023 Feb 19:S0079-6107(23)00015-9. doi: 10.1016/j.pbiomolbio.2023.02.003. Epub ahead of print. PMID: 36809830; PMCID: PMC9938959.

Mathansingh AJ, Jose A, Fleming JJ, Abhilash KPP, Chandiraseharan VK, Lenin A, Hansdak SG, Iyyadurai R, Mani T, Peter JV, Eddleston M, Zachariah A. Quantification of Organophosphorus Insecticide Removed by Gastric Lavage in Acutely Poisoned Patients: An Observational Study. Indian J Crit Care Med. 2023 Jun;27(6):397-402. doi: 10.5005/jp-journals-10071-24475. PMID: 37378371; PMCID: PMC10291665.

Job M, Mathuram AJ, Turaka VP, Carey RA, Iyyadurai R, Rajan SJ. Clinical spectrum, aetiology and predictors of acute febrile encephalopathy at a tertiary hospital in south India - A prospective observational study. Trop Doct. 2021 Jan;51(1):58-64. doi: 10.1177/0049475520967916. Epub 2020 Oct 28. PMID: 33115328.

Paul A, Newbigging NS, Lenin A, Gowri M, Varghese JS, Nell AJ, Abhilash KPP, Binu AJ, Chandiraseharan VK, Iyyadurai R, Varghese GM. Role of Neutrophil Gelatinase-associated Lipocalin (NGAL) and Other Clinical Parameters as Predictors of Bacterial Sepsis in Patients Presenting to the Emergency Department with Fever. Indian J Crit Care Med. 2023 Mar;27(3):176-182. doi: 10.5005/jp-journals-10071-24419. PMID: 36960119; PMCID: PMC10028723.

Priya T T, Jacob JJ, M Y, Karthik R, Iyadurai R, G K, Devi B Y, Walia K, Veeraraghavan B. Is it time to move on to gene-based Salmonella typing: Evidence and implications. Indian J Med Microbiol. 2023 Jul-Aug;44:100359. doi: 10.1016/j.ijmmb.2023.02.002. Epub 2023 May 11. PMID: 37356840.

Bakthavatchalam YD, Shankar A, Muniyasamy R, Peter JV, Marcus Z, Triplicane Dwarakanathan H, Gunasekaran K, Iyadurai R, Veeraraghavan B. Levonadifloxacin, a recently approved benzoquinolizine fluoroquinolone, exhibits potent in vitro activity against contemporary Staphylococcus aureus isolates and Bengal Bay clone isolates collected from a large Indian tertiary care hospital. J Antimicrob Chemother. 2020 Aug 1;75(8):2156-2159. doi: 10.1093/jac/dkaa142. PMID: 32361727.

Sunil V N, John K, Nawahirsha S, Iyyadurai R. Micturition syncope: a rare presentation of bladder paraganglioma. BMJ Case Rep. 2020 Sep 2;13(9):e235353. doi: 10.1136/bcr-2020-235353. PMID: 32878856; PMCID: PMC7470636.

Paul A, Nair AV, Krupa J, Iyadurai R. Hoffman syndrome with the classic sign of myoedema and an unusual finding of systolic heart failure. BMJ Case Rep. 2023 Oct 6;16(10):e252795. doi: 10.1136/bcr-2022-252795. PMID: 37802588; PMCID: PMC10565170.

Das S, More AR, Iyadurai R. Bilateral renal aspergillosis in an immunocompetent host. J Family Med Prim Care. 2017 Oct-Dec;6(4):873-875. doi: 10.4103/jfmpc.jfmpc_209_17. PMID: 29564283; PMCID: PMC5848418.

Jose N, Perla HT, Iyadurai R, Chacko G. Leptomeningeal carcinomatosis in a patient with gallbladder carcinoma. J Cytol. 2017 Apr-Jun;34(2):118-121. doi: 10.4103/0970-9371.203571. PMID: 28469324; PMCID: PMC5398020.

Thomas VV, Lenin A, George TK, Thenmozhi M, Iyadurai R, Sudarsanam TD. Trends in oral anticoagulant use - A 10-year retrospective analysis from a general medicine department of a tertiary care hospital in south India. J Postgrad Med. 2023 Jul 19. doi: 10.4103/jpgm.jpgm_10_23. Epub ahead of print. PMID: 37470633.

Kannan K, John R, Kundu D, Dayanand D, Abhilash KPP, Mathuram AJ, Zachariah A, Sathyendra S, Hansdak SG, Abraham OC, Gunasekaran K, Iyadurai R, Abraham AM, Prakash JAJ, Yesudhason BL, Veeraraghavan B, Kavitha ML, Jose LR, Sumana MN, Saravu K, Varghese GM. Performance of molecular and serologic tests for the diagnosis of scrub typhus. PLoS Negl Trop Dis. 2020 Nov 12;14(11):e0008747. doi: 10.1371/journal.pntd.0008747. PMID: 33180784; PMCID: PMC7660479.

Jacob JJ, Rachel T, Shankar BA, Gunasekaran K, Iyadurai R, Anandan S, Veeraraghavan B. MLST based serotype prediction for the accurate identification of non typhoidal Salmonella serovars. Mol Biol Rep. 2020 Oct;47(10):7797-7803. doi: 10.1007/s11033-020-05856-y. Epub 2020 Oct 1. PMID: 33001311.

Thomas VV, Thomas JM, Iyadurai R. Cardioembolic Stroke in Sinus of Valsalva Aneurysm, A Case Report. Neurol India. 2023 Sep-Oct;71(5):998-1001. doi: 10.4103/0028-3886.388106. PMID: 37929443.

Stanley ND, Jeevan JA, Yadav B, Gunasekaran K, Pichamuthu K, Chandiraseharan VK, Sathyendra S, Hansdak SG, Iyyadurai R. Association of antibiotic duration and all-cause mortality in a prospective study of patients with ventilator-associated pneumonia in a tertiary-level critical care unit in Southern India. BMJ Open. 2024 Apr 11;14(4):e077428. doi: 10.1136/bmjopen-2023-077428. PMID: 38604633; PMCID: PMC11015278.

Daniel DM, Hansdak SG, George T, Thomas SM, Balachandran A, Vanjare HA, Samuel P, Iyadurai R. Clinical Profile, Outcomes, and Predictors of Outcomes in Patients with Tuberculosis with Arachnoiditis. Int J Mycobacteriol. 2025 Apr 1;14(2):126-131. doi: 10.4103/ijmy.ijmy_29_25. Epub 2025 Jun 20. PMID: 40540656.

Arockiasamy TS, Jayakaran JA, Iyadurai R. BMJ Case Rep 2026;19:e267558. doi:10.1136/bcr-2025- 267558 Link

Neeraj GP, Philip AJ, Prakash G, Praneeth CS, Chandiraseharan VK, Zachariah A, Rajan SJ, Nellickal AJ, Iyyadurai R, Pichamuthu KK, Hansdak SG, Gunasekaran K, Abhilash KP, Peter JV, Yadav B. Paraquat Peril: A Retrospective Study from the Frontlines of a Quaternary Care Hospital in South India. Indian J Crit Care Med. 2026 Feb;30(2):107-116. doi: 10.5005/jp-journals-10071-25131. Epub 2026 Feb 13. PMID: 41868073; PMCID: PMC12999658. Link