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Papers by CCCG

  • Chawla R, Myatra SN, Ramakrishnan N, Todi S, Kansal S, Dash SK. Current practices of mobilization, analgesia, relaxants and sedation in Indian ICUs: A survey conducted by the Indian Society of Critical Care Medicine . Indian J Crit Care Med 2014;18:575-84.

  • Shamly Austin, Srinivas Murthy, Hannah Wunsch, Neill K. J. Adhikari, Veena Karir, Kathryn Rowan, Shevin T. Jacob, Jorge Salluh, Fernando A. Bozza, Bin Du, Youzhong An, Bruce Lee, Felicia Wu, Yen-Lan Nguyen, Chris Oppong, Ramesh Venkataraman, Vimalraj Velayutham, Carmelo Dueñas, Derek C. Angus and on behalf of International Forum of Acute Care Trialists. Access to urban acute care services in high- vs. middle-income countries: an analysis of seven Cities. Intensive Care Med. 2014; 40(3): 342–352.

  • Sharma SK, Katoch VM, Mohan A, Kadhiravan T, Elavarasi A, Ragesh R, Nischal N, Sethi P, Behera D, Bhatia M, Ghoshal A G, Gothi D, Joshi J, Kanwar M S, Kharbanda O P, Kumar S, Mohapatra P R, Mallick B N, Mehta R, Prasad R, Sharma S C, Sikka K, Aggarwal S, Shukla G, Suri J C, Vengamma B, Grover A, Vijayan V K, Ramakrishnan N, Gupta R, Apnoea (INOSA) Guidelines Working Group f. Consensus & Evidence-based INOSA Guidelines 2014 (First edition). Indian J Med Res 2014;140:451-68.

  • Venkataraman R, Ranganathan L, Ponnish AS, Abraham BK, Ramakrishnan N. Funding sources for continuing medical education: An observational study . Indian J Crit Care Med 2014;18:513-7.

  • Purwar S, Venkataraman R, Senthilkumar R, Ramakrishnan N, Abraham BK. Noninvasive ventilation: Are we overdoing it?. Indian J Crit Care Med 2014;18:503-7.

  • Ramakrishnan N. Translating intentions to prescriptions: Mind the gap!. Indian J Crit Care Med 2014;18:267-8.

  • Kar A, Dhanaraj M, Dedeepiya D, Harikrishna K. Acute encephalitis syndrome following scrub typhus infection. Indian J Crit Care Med 2014;18:453-5.

  • Ramakrishnan N, Daphnee D K, Ranganathan L, Bhuvaneshwari S. Critical care 24 × 7: But, why is critical nutrition interrupted? Indian J Crit Care Med 2014;18:144-8.

  • Reddy NP, K P R, P D, Annigeri R, Ramakrishnan N, Venkataraman R. Epidemiology, outcomes and validation of RIFLE and AKIN criteria in acute kidney injury (AKI) in critically ill patients: Indian perspective. Ren Fail. 2014 Jul;36(6):831-7.

  • Ramakrishnan N. Critical economics of life and death: Intense + Expensive care = Intensive care? Indian Journal of Critical Care Medicine. March-April 2013; Vol 17:67-8.

  • Ravi KP, Durairajan S, Purvar S, Venkataraman R, Ramasubramanian V and Ramakrishnan N. Epidemiology of Intesive Care Unit infections and impact of infectious disease consultants in managing resistant infections. Am. Journal of Inf. Diseases. May 2013. Volume 9, Issue 2; Pages 30-33.

  • Anup Bansal, Pavan Yadav, Nagarajan Ramakrishnan. Weight gain in patients with Obstructive Sleep Apnea on Positive Airway Pressure (PAP) Therapy: Myth or Reality? Indian Journal of Sleep Medicine. 2013:8;4: 164-6.

  • Venkataraman R, Kellum JA. Sepsis: update in the management. Adv Chronic Kidney Dis. 2013 Jan;20(1):6-13.

  • K. P. Ravi, Suresh Durairajan, Sankalp Parivar, Ramesh Venkataraman, V. Ramasubramanian and N. Ramakrishnan. Epidemiology of ICU infections and impact of infectious diseases Consultant in managing resistant infections. Am. Journal of Inf. Diseases. 2013. Volume 9, Issue 2: 30-33.

  • Bansal A, Ponnish AS, Ramakrishnan N. Practical Approach to sleep disordered breathing. Ind J Resp Care 2013; 2:277 -83.

  • Prevention and treatment of Venous Thromboembolism. International Consensus Statement. (Guidelines according to scientific evidence). [Faculty – Dr. N. Ramakrishnan (India)]. International Angiology. 32:2, April 2013.

  • Raja Jayaram and Nagarajan Ramakrishnan. Reimbursement for critical care services in India. Indian J Crit Care Med. 2013 Jan-Feb; 17(1): 1–9.

  • Emlet LL, Al-Khafaji A, Kim YH, Venkataraman R, Rogers PL, Angus DC. Trial of Shift Scheduling with standardized sign out to improve continuity of critical care in Intensive Care Units. Crit Care Med 2012 Dec;40(12):3129-34.

  • Ramakrishnan Nagarajan, Lakshmi Ranganathan, Arvind K Sundaram, Mary Charles. CPAP therapy in OSA – A gap analysis between recommendation and usage. Indian J Sleep Med 2012; 7.4, 150-156.

  • Vijay Viswanathan, N Ramakrishnan, S Sunaina, A Vigneswari, K Satyavani. Subjects with Type 2 Diabetes may have Obstructive Sleep Apnea even at lower BMI values. Indian J Sleep Med 2012; 7.2: 45-47.

  • Liew NC, Chang YH, Choi G, Chu PH, Gao X, N. Ramakrishnan et al. Asian venous thromboembolism guidelines: prevention of venous thromboembolism. Int Angiol. 2012 Dec; 31(6):501-16.

  • Ramakrishnan N. Business of Sleep Medicine. Indian J Sleep Med 2010; 5:1:1-4.

  • Bagshaw SM, Uchino S, Bellomo R, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N, Tolwani A, Oudemans-van Straaten HM, Ronco C, Kellum JA; Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators. Timing of renal replacement therapy and clinical outcomes in critically ill patients with severe acute kidney injury. J Crit Care. 2009 Mar;24(1):129-40.

  • Bagshaw SM, Uchino S, Cruz D, Bellomo R, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N, Tolwani A, Oudemans-van Straaten HM, Ronco C, Kellum JA; Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators - Ramesh Venkataraman. A comparison of observed versus estimated baseline creatinine for determination of RIFLE class in patients with acute kidney injury. Nephrol Dial Transplant. 2009 Sep; 24(9): 2739-44.

  • Chavda M, Cherian A, Abraham BK, Ramakrishnan N. Medicolegal aspects of organ transplantation in India. IJPP 2009; 11 (2):112.

  • S Prakash, N Ramakrishnan. Narcolepsy: How common is the tetrad? Indian J Sleep Med 2009; 4 (2): 68-69.

  • Shneiderman H, Ramakrishnan N. Pretibial Myxoedema, autoimmune thyroid disorders, ophthalmopathy, and generalized myxedema: a confusing mixture. CONSULTANT 2008; 48:387-389.

  • TV Devarajan, PS Prashanth, Ashwin K Mani, Suma M Victor*, P Shabeena Khan. Dengue with ARDS. Journal of Indian Academy of Clinical Medicine. JIACM 2008; 9(2): 146-9.

  • Jayaram R, Ramakrishnan N. Cost of Intensive Care in India. Indian Journal of Crit Care Medicine, 2008; 12: 55.

  • Kellum JA, Venkataraman R, Powner D, Elder M, Hergenroeder G, Carter M. Feasibility study of cytokine removal by hemoadsorption in brain-dead humans. Crit Care Med. 2008 Jan; 36(1):268-72.

  • Murugan R, Venkataraman R, Wahed AS, Elder M, Hergenroeder G, Carter M, Madden NJ, Powner D, Kellum JA; HIDonOR Study Investigators. Increased plasma interleukin-6 in donors is associated with lower recipient hospital-free survival after cadaveric organ transplantation. Crit Care Med. 2008 Jun;36(6):1810-6.

  • Rajendiran G, Jayabalan R, Chandrahasan S, Mani AK. A case of acute paraplegia that improved with dialysis. Indian J Crit Care Med 2008;12:39-41.

  • Govarthanan R, Saravanan DC, Mani AK. Massive sedation for alcohol withdrawal.www.priory.com.2008

  • VA/NIH Acute Renal Failure Trial Network, Palevsky PM, Zhang JH, O'Connor TZ, Chertow GM, Crowley ST, Choudhury D, Finkel K, Kellum JA, Paganini E, Schein RM, Smith MW, Swanson KM, Thompson BT, Vijayan A, Watnick S, Star RA, Peduzzi P. Intensity of renal support in critically ill patients with acute kidney injury. N Engl J Med. 2008Jul 3;359(1):7-20.

  • Venkataraman R. Can we prevent acute kidney injury? Crit Care Med. 2008 Apr;36(4 Suppl):S166-71.

  • Venkataraman R, Kellum JA. Prevention of Acute Renal Failure. Chest,2007 Jan; 131(1):300-308.

  • Venkataraman R and Kellum JA. Defining ARF- RIFLE Criteria. J Intensive Care Med. 2007 Jul-Aug; 22(4):187-93.

  • A Subrahmanyam, T P Ramesh, N Ramakrishnan. Oxygenation of human blood using photocatalytic reaction. ASAIO Journal 2007; 53.

  • Ariga Padma, Ramakrishnan N, Vinod Narayanan. Management of Sleep Apnea: A dental perspective. Indian J Dent Res, 2007; 18 (4): 210 .

  • Bihari S, Jain N, Ramakrishnan N. Critical Care in India. ICU Management 2006/2007; 6 (4): 38.

  • Bihari S, Rajesh V, Ramakrishnan N. Value of Noninvasive Positive Pressure Ventilation (NPPV) during fiberoptic bronchoscopy. Indian Journal of Bronchology. 2007: 2:123.

  • Bihari S, Ramakrishnan N. A boy with episodic hypersomnolence – a case report. Indian Journal of Sleep Medicine 2007; 2 (3): 109.

  • Kellum J, Leblanc M, Venkataraman R. Acute renal failure. Am Fam Physician. 2007 Aug 1;76(3):418-22.

  • Madden NJ, Demarsico AJ, Schocker LA, Venkataraman R, Kellum JA. On-pump vs. off-pump coronary artery bypass surgery at a non-academic community hospital: have biocompatibility improvements eliminated the superiority of off-pump surgery? Int J Artif Organs. 2007 Apr; 30(4):338-44.

  • Raja JR, Ramakrishnan N. Comparison of Critical Care Services in Indian and the UK. ICU Management 2006/2007;6 (4): 42.

  • Ramakrishnan N, Schneiderman H. Artifactual broad complex tachycardia due to parkinsonian tremor. CONSULTANT 2007; 35: 985-89.

  • Bihari S, Ramakrishnan N. Delayed Sleep Phase Syndrome – A Case report. Indian Journal of Sleep Medicine 2006 (1): 3: 154.

  • Gunnerson K, Venkataraman R and Kellum JA: Acid-Base Disorders. In: Murray P, Brady HR and Hall JB (eds), Intensive Care in Nephrology, Martin Dunitz, London, 2006; Chapter 20, pp 301-314.

  • Venkataraman R, Kellum JA. Dialysis Dosing in Acute Renal Failure. ICU Management Volume 6- Issue 1-2006.

  • Venkataraman R, Murugan R. Blood Purification Strategies in Sepsis. In Ramakrishnan N (ed). Proceedings of the International Critical Care Congress and 12th Annual Conference of the Indian Society of Critical Care Medicine: Criticare Chennai 2006 (ISCCM). Pp 158-164.

  • Venkataraman R, Palevsky P, Kellum JA. Adequacy of dialysis in acute renal failure. Semin Nephrol 2005; 25 (2) (Mar): 120-124.

  • Venkataraman R, Kellum JA. Timing of Initiation of Renal Replacement Therapy in Acute Renal Failure. ICU Management Volume 5- Issue 4-2005-Winter. Page 20.

  • JR Raja, BK Abraham, N Ramakrishnan. ICU Telemedicine in India; promises and reality. ICU Management 2005;5 (4):14.

  • Kellum JA, Venkataraman R. Application of blood purification to non-renal organ failure. Int J Artif Organs.2005 May;28(5):445-9.

  • Kellum JA, Leblanc M and Venkataraman R: Acute Renal Failure. In Clinical Evidence: British Medical Journal. Edition 12 (2005).

  • Kellum JA, Venkataraman R. Treatment of Acute Renal Failure: Has mortality changed? In Criticare-2004: Proceedings of the 10th Annual Conference of ISCCM. Karnad DR (ed) Urvi Compugraphics, Mumbai, India 2004; pp 83-84.

  • Hoste E, Clermont G, Kersten A, Venkataraman R, Angus DC, DeBacquer D, Kellum JA. RIFLE criteria for acute kidney injury are associated with hospital mortality in critically ill patients: a cohort analysis. Critical Care 2006; 10(3): R73. (E published, 2006 May 12).

  • Venkataraman R. Vascular surgery critical care: perioperative cardiac optimization to improve survival. Crit Care Med 2006; 34(9-suppl): S-200-207.

  • Venkataraman R. Prevention of Acute Renal Failure. Critical Care Clinics 2005; 21(2):281-289.

  • Uchino S, Bellomo R, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N. Tolwani A, Doig GS, Oudemans van Straaten H, Ronco C, Kellum JA: Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators. External validation of severity scoring systems for acute renal failure using a multinational database. Crit Care Med 2005, 33 (9): 1961-7.

  • Uchino S, Kellum JA, Bellomo R, Doig G, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N, Tolwani A, Ronco C for the Beginning and Ending Supportive Therapy for the Kidney (BEST) Investigators. Acute Renal Failure in Critically Ill Patients: A multinational, multicenter study. JAMA August 2005; 294 (8) 813-818.

  • Venkataraman R and Kellum JA: Polyuria In: Fink MP, Abraham E, Vincent JL, Kochanek P (eds) Textbook of Critical Care, Fifth Edition, Elsevier, Philadelphia, 2005; Chapter 10, pp 43-46.

  • Venkataraman R, Kellum JA. Acute Renal Failure in the Critically Ill. Current Opinion in Anaesthesiology 2005; 18: 117-122.

  • Babu K. Abraham, Ramakrishnan N. Early detection of a sick patient. Apollo Hospitals Proceedings. Apr 2004, 02 (2): 47-50.

  • Venkataraman R, Song M, Lynas R, Kellum JA. Hemoadsorption to Improve Organ Recovery from Brian-Dead Organ Donors: A Novel Therapy for a Novel Indication? Blood Purification 2004; 22 (1): 143-149

  • Kellum JA, Song M, Venkataraman R. Effect of Hyperchloremic Acidosis on Arterial Pressure and Circulating Inflammatory Molecules in Experimental Sepsis. Chest, 2004;125 (1): 243-248.

  • Kellum JA, Song M, Venkataraman R. Hemoadsorption Removes TNF, IL-6, and IL-10, Reduces NFB DNA Binding, and Improves Short-Term Survival in Lethal Endotoxemia. Critical Care Medicine 2004; 32 (3): 801-805.

  • Ramakrishnan N, Nagesh CN, Nachiappan. Scorpion Sting: An Unusual complication. Apollo Hospitals Proceedings. Jan 2004; 02(1):21-23.

  • Rajan S, Ramakrishnan N. Acute Respiratory Distress Syndrome: A Comprehensive Review. Apollo Hospitals Proceedings 2003. 01; 03; 47-57.

  • Ashwin K Mani and Gregory C. Kane. Pulmonary manifestations of Mycobacterium Avium Intracellular infection in the immunocompetent host -– Hospital Physician Board Review Manual 11.1. 2003.

  • Clermont G, Angus DC, Kalassian KG, Linde-Zwirble WT, Ramakrishnan N, Linden PK, Pinsky MR. Reassessing the value of short-term mortality in sepsis: Comparing conventional approaches to modeling. Crit Care Med 2003; 31: 2627-2633.

  • Venkataraman R, Kellum JA. Novel Approaches to the Treatment of Acute Renal Failure. Expert Opin Investig Drugs, August 2003; 12 (8): 1353-1366.

  • Venkataraman R, Subramanian S and Kellum JA: Extracorporeal Blood Purification In Severe Sepsis. Critical Care, April 2003: 7(2): 139-145.

  • Venkataraman R, Kellum JA and Palevsky P: Dosing Patterns for Continuous Renal Replacement Therapy at a Large Academic Medical Center in the United States. Journal of Critical Care , December 2002; 17 (4): 246-250.

  • Venkataraman R, Kellum JA, Song MC and Fink MP: Resuscitation with Ringer’s Ethyl Pyruvate Solution Prolongs Survival and Modulates Plasma Cytokine and Nitirite/Nitrate Concentrations in a Rat Model of LPS-Induced Shock. SHOCK, 2002: 18 (6): 507-512.

  • Kellum JA, Angus DC, Johnson JP, Leblanc M, Griffin M, Ramakrishnan N, Linde-Zwirble WT. Continuous versus intermittent renal replacement therapy: A Meta-analysis. Intensive Care Medicine 2002. 28:29-37.

  • Subramanian S, Venkataraman R and Kellum JA: Influence of Dialysis Membranes on Outcomes in Acute Renal Failure: A Meta-Analysis. Kidney International, 2002: 62(5):1819-1823.

  • Venkataraman R and Kellum JA: The Role of Diuretic Agents in the Management of Acute Renal Failure In: Contrib. Nephrol 132/012, May, 2001.

  • Renal Failure In: Ronco C, Bellomo R and La Greca G (eds) Blood Purification in Intensive Care. Contributions to Nephrology, Karger, Basel, Sept 2001; Vol 132: 158-170.

  • Venkataraman R and Kellum JA: Novel Approaches to the Treatment of Acute Renal Failure. Expert Opinion In Investigational Drugs, 2000: 9 (11): 2579-2592.

  • Ramakrishnan N. An update on methods of resuscitation. Resident reporter 1999. 4;45.

  • Angus DC, Ramakrishnan N. Health Services and outcomes research in critical care. Critical Care and Shock 1998. 2:109.

  • Ramakrishnan N, Parker L. Thrombotic Thrombocytopenic Purpura following influenza vaccination – a brief case report. Connecticut Medicine 1998. 62; 10:587.

  • Ramakrishnan N, Schneiderman H. Necrobiosis lipoidica. Consultant 1996. 36:1011.

  • Ramakrishnan N, Schneiderman H. Pretibial myxedema. Consultant 1996. 36:309.

  • Ramakrishnan N, Schneiderman H. Pseudoarrhythmia due to tremors. Consultant 1995. 35:1835.

  • Olofinboba KA, Ramakrishnan N, Schneiderman H. Ectropion. Consultant 1995. 35: 839.

  • Ramakrishnan N. One Immigrant’s view: Racism in American. Connecticut Medicine 1995. 59:5:568.

  • Ramakrishnan N, Lakshminarayanan S, Schneiderman H. Hemophilic arthropathy. Consultant 1995. 35:8:1177.

  • Schneiderman H, Ramakrishnan N. Dupuytren’s Contracture. Consultant 1995. 35: 673.

  • Misra KP, Ramakrishnan N. ECG diagnosis with clinical correlation. The Clinical Practice 1988. 2 (3): 99.

PAPERS on ‘Research projects in which Apollo CCU participated'

  • Andre´s Esteban, Fernando Frutos-Vivar, Alfonso Muriel et al. Evolution of Mortality over Time in Patients Receiving Mechanical Ventilation. Am J Respir Crit Care Med Vol 188, Iss. 2, pp 220–230, Jul 15, 2013.

  • Meltzer EO1, Kuna P, Nolte H et al. Mani. AK - P04073 Study Investigators. Mometasone furoate/formoterol reduces asthma deteriorations and improves lung function: Eur Respir J. 2012 Feb;39(2):279-89.

  • CoBaTrICE Collaboration. International standards for programmes of training in intensive care medicine in Europe. Intensive Care Med. 2011 Mar; 37(3):385-93.

  • Phua, Jason, et al. Mani AK, Abraham BK, Ramakrishnan N, MOSAICS Study Group. "Management of severe sepsis in patients admitted to Asian intensive care units: prospective cohort study." British Medical Journal. 2011; 342:3245.

  • Russell D. Hull, Sebastian M. Schellong, Victor F. Tapson, Manuel Monreal, Meyer-Michel Samama, Philippe Nicol, Eric Vicaut, Alexander G.G. Turpie, Roger D. Yusen, EXCLAIM (Extended Prophylaxis for Venous ThromboEmbolism in Acutely Ill Medical Patients With Prolonged Immobilization) study; Extended-Duration Venous Thromboembolism Prophylaxis in Acutely Ill Medical Patients With Recently Reduced Mobility. A Randomized Trial. Annals of Internal Medicine. 2010 Jul; 153 (1):8-18.

  • Wilde JD, Bion JF, Bullock A, Bion J et al (CoBaTrICE Collaboration). The educational environment for training in intensive care medicine: structures, processes, outcomes and challenges in the European region. Intensive Care Med. 2009 Sep;35(9):1575-83.

INTERNATIONAL/NATIONAL RESEARCH PROJECTS

  • Inflammatory markers as predictors of outcome in community-acquired pneumonia.

  • International comparisons of critical care outcome and resource use in patients with respiratory failure.

  • Analysis of cost and outcome of severe community acquired pneumonia’, Amgen Inc.

  • Double-blind, randomized, placebo-controlled, parallel-group, multi-center study of the safety and efficacy of intravenous taurolidine in septic patients’, University of Pittsburgh.

  • Neuro Endocrine Suppression Trial (NEST) study, University of Connecticut.

  • Evaluating serum cytokine patterns in community acquired pneumonia and exploring their relationship to outcome and hospital resource use. Funded by University Anesthesiology and Critical Care Medicine research fund, University of Pittsburgh.

  • Indian Intensive Care Case Mix and Practice Patterns Study (INDICAPS), Project funded by Indian Society of Critical Care Medicine.

  • ‘Detect DVT’ Observational Study.

  • MOSER Study - Epidemiology of resistant infections in ICUs in India, Project funded by Indian Society of Critical Care Medicine.

  • SAVE Study, a multicenter global study to evaluate effectiveness of CPAP in moderate sleep apnea to reduce cardiovascular morbidity & mortality.

  • “Effectiveness of Human Simulation for ACLS training in India. Grant awarded by Laerdal foundation.

Publications

  • Bhat MN, Venkataraman R, Ramakrishnan N, Abraham BK, Rajagopalan S. Value of Routine Sonographic Screening of Internal Jugular Vein to Detect Catheter Related Thrombosis in Intensive Care Unit Indian Journal of Critical Care Medicine 2019: 23 (7):326-328.

  • Ranganathan L, Menon R, Ramakrishnan N, Venkataraman R, Ramachandran P. Therapeutic Plasma Exchange Practices in Intensive Care Unit Indian Journal of Critical Care Medicine 2019: 23 (7):336-338.

  • Mathew M, Ramakrishnan N, Mani A K. Chronic respiratory failure from bilateral vocal cord palsy. Journal of Anaesthesia and Critical Care Case Reports Jan-April 2019;5(1):9-10.

  • Nagarajan Ramakrishnan.Bharath Kumar Tirupakuzhi Vijayaragavan. Survivorship and (QALY)ty: In Pursuit of a Mirage? Indian Journal of Critical Care Medicine 2019: 23 (3):111-112.

  • Angriman F, Tirupakuzhi Vijayaraghavan BK, Dragoi L, Lopez Soto C, Chapman M, Scales DC. Antiepileptic Drugs to Prevent Seizures After Spontaneous Intracerebral Hemorrhage. Stroke. 2019 Apr 2

  • V R Yamunadevi, V Ramasubramanian, P Senthur nambi, R. Madhumitha, Ramesh Venkataraman, Thirunarayanan, Samundeewari, N Ramakrishnan. CRE Screening: A core infection control measure for Critical care unit (CCU) in India? Indian Journal of Medical Microbiology. In Press. 10.4103/ijmm.IJMM_18_437

  • Ramanathan YV, Venkatasubramanian R, Nambi P S, Ramabathiran M, Venkataraman R, Thirunarayan M A, Samundeeswari P, Ramakrishnan N. Carbapenem-resistant enterobacteriaceae screening: A core infection control measure for critical care unit in India?. Indian J Med Microbiol 2018;36:572-6

  • Ramakrishnan N, Ranganathan L, Abraham BK, Rajagopalan S, Venkataraman R. What happens to patients discharged against medical advice? Indian J Crit Care Med 2018;22:580-4

  • Tirupakuzhi Vijayaraghavan BK, Hamed S, Jain A, Chimunda T, Telias I, Friedrich JO, et al. Evidence Supporting Clinical Use of Proportional Assist Ventilation: A Systematic Review and Meta-Analysis of Clinical Trials. J Intensive Care Med. 2018 May 3;088506661876902.

  • Vijayaraghavan BKT, Willaert X, Cuthbertson BH. Should ICU clinicians follow patients after ICU discharge? No. Intensive Care Med. 2018;44(9):1542–4.

  • Bhat MN, Vadala R, Rabindrarajan E, Ramakrishnan N. Curious case of acute unilateral deep vein thrombosis: May-thurner syndrome. Indian J Crit Care Med 2018;22:558-60.

  • Princess I, Ebenezer R, Ramakrishnan N, Nandini S. Pulmonary Nocardiosis and Scrub Typhus in an Immunocompromised Host. Journal of Global Infectious Diseases. 2018;10(2):108-111. doi:10.4103/jgid.jgid_105_17.

  • Bansal N, Gopalakrishnan R, Sethuraman N, Ramakrishnan N, Nambi P S, Kumar D S, Madhumitha R, Thirunarayan M A, Ramasubramanian V. Experience with β-D-Glucan assay in the management of critically ill patients with high risk of invasive candidiasis: An observational study. Indian J Crit Care Med 2018;22:364-8.

  • Venkataraman R, Gopichandran V, Ranganathan L, Rajagopal S, Abraham BK, Ramakrishnan N. Mortality prediction using acute physiology and chronic health evaluation II and acute physiology and chronic health evaluation IV scoring systems: Is there a difference?. Indian J Crit Care Med 2018;22:332-5.

  • Venkataraman R, Divatia J, Ramakrishnan N, Chawla R, Amin P, Gopal P, Chaudhry D, Zirpe K, Abraham B. Multicenter observational study to evaluate epidemiology and resistance patterns of common intensive care unit-infections. Indian J Crit Care Med 2018;22:20-6.

  • Vignesh C, Kumar M, Venkataraman R, Rajagopal S, Ramakrishnan N, Abraham BK. Extracorporeal membrane oxygenation in drug overdose: A clinical case series. Indian J Crit Care Med 2018;22:111-5.

  • Sioson, Marianna S. et al (Nagarajan Ramakrishnan). Nutrition therapy for critically ill patients across the Asia–Pacific and Middle East regions: A consensus statement. Clinical Nutrition ESPEN, Volume 24, 156-164.

  • Ramakrishnan N, DD. Prophylaxis and incidence of symptomatic deep vein thrombosis in indian patients with sepsis: DETECT-deep vein thrombosis registry. Indian J Crit Care Med 2017;21:765-71.

  • Princess I, Ebenezer R, Ramakrishnan N, Daniel AK, Nandini S, Thirunarayan M A. Melioidosis: An emerging infection with fatal outcomes. Indian J Crit Care Med 2017;21:397-400.

  • Ghafur A, Gohel S, Devarajan V, Raja T, Easow J, Raja M A, Sreenivas S, Ramakrishnan B, Ramakrishnan T, Raman S G, Devaprasad D, Venkatachalam B, Nimmagadda R. Colistin nephrotoxicity in adults: Single centre large series from India. Indian J Crit Care Med 2017;21:350-4.

  • Bhavsar MM, Devarajan T V, Nembi P S, Ramakrishnan N, Mani AK. Metastatic endogenous endophthalmitis: A rare presentation with methicillin-resistant Staphylococcus aureus prostatic abscess. Indian J Crit Care Med 2017;21:172-5.

  • Karthiraj N, Ramakrishnan N, Mani AK. Hemodialysis for lactic acidosis. Indian J Crit Care Med 2017;21:537-8.

  • Bellani G, Laffey JG, Pham T, Madotto F, Fan E, Brochard L, et al. LUNG SAFE Investigators. Noninvasive Ventilation of Patients with Acute Respiratory Distress Syndrome. Insights from the LUNG SAFE Study. Am J Respir Crit Care Med. 2017 Jan 1;195(1):67–77.

  • Chawla R, Myatra SN, Ramakrishnan N, Todi S, Kansal S, Dash SK. Current practices of mobilization, analgesia, relaxants and sedation in Indian ICUs: A survey conducted by the Indian Society of Critical Care Medicine . Indian J Crit Care Med 2014;18:575-84.

  • Shamly Austin, Srinivas Murthy, Hannah Wunsch, Neill K. J. Adhikari, Veena Karir, Kathryn Rowan, Shevin T. Jacob, Jorge Salluh, Fernando A. Bozza, Bin Du, Youzhong An, Bruce Lee, Felicia Wu, Yen-Lan Nguyen, Chris Oppong, Ramesh Venkataraman, Vimalraj Velayutham, Carmelo Dueñas, Derek C. Angus and on behalf of International Forum of Acute Care Trialists. Access to urban acute care services in high- vs. middle-income countries: an analysis of seven Cities. Intensive Care Med. 2014; 40(3): 342–352.

  • Sharma SK, Katoch VM, Mohan A, Kadhiravan T, Elavarasi A, Ragesh R, Nischal N, Sethi P, Behera D, Bhatia M, Ghoshal A G, Gothi D, Joshi J, Kanwar M S, Kharbanda O P, Kumar S, Mohapatra P R, Mallick B N, Mehta R, Prasad R, Sharma S C, Sikka K, Aggarwal S, Shukla G, Suri J C, Vengamma B, Grover A, Vijayan V K, Ramakrishnan N, Gupta R, Apnoea (INOSA) Guidelines Working Group f. Consensus & Evidence-based INOSA Guidelines 2014 (First edition). Indian J Med Res 2014;140:451-68.

  • Venkataraman R, Ranganathan L, Ponnish AS, Abraham BK, Ramakrishnan N. Funding sources for continuing medical education: An observational study . Indian J Crit Care Med 2014;18:513-7.

  • Purwar S, Venkataraman R, Senthilkumar R, Ramakrishnan N, Abraham BK. Noninvasive ventilation: Are we overdoing it?. Indian J Crit Care Med 2014;18:503-7.

  • Ramakrishnan N. Translating intentions to prescriptions: Mind the gap!. Indian J Crit Care Med 2014;18:267-8.

  • Kar A, Dhanaraj M, Dedeepiya D, Harikrishna K. Acute encephalitis syndrome following scrub typhus infection. Indian J Crit Care Med 2014;18:453-5.

  • Ramakrishnan N, Daphnee D K, Ranganathan L, Bhuvaneshwari S. Critical care 24 × 7: But, why is critical nutrition interrupted? Indian J Crit Care Med 2014;18:144-8.

  • Reddy NP, K P R, P D, Annigeri R, Ramakrishnan N, Venkataraman R. Epidemiology, outcomes and validation of RIFLE and AKIN criteria in acute kidney injury (AKI) in critically ill patients: Indian perspective. Ren Fail. 2014 Jul;36(6):831-7.

  • Ramakrishnan N. Critical economics of life and death: Intense + Expensive care = Intensive care? Indian Journal of Critical Care Medicine. March-April 2013; Vol 17:67-8.

  • Ravi KP, Durairajan S, Purvar S, Venkataraman R, Ramasubramanian V and Ramakrishnan N. Epidemiology of Intesive Care Unit infections and impact of infectious disease consultants in managing resistant infections. Am. Journal of Inf. Diseases. May 2013. Volume 9, Issue 2; Pages 30-33.

  • Anup Bansal, Pavan Yadav, Nagarajan Ramakrishnan. Weight gain in patients with Obstructive Sleep Apnea on Positive Airway Pressure (PAP) Therapy: Myth or Reality? Indian Journal of Sleep Medicine. 2013:8;4: 164-6.

  • Venkataraman R, Kellum JA. Sepsis: update in the management. Adv Chronic Kidney Dis. 2013 Jan;20(1):6-13.

  • K. P. Ravi, Suresh Durairajan, Sankalp Parivar, Ramesh Venkataraman, V. Ramasubramanian and N. Ramakrishnan. Epidemiology of ICU infections and impact of infectious diseases Consultant in managing resistant infections. Am. Journal of Inf. Diseases. 2013. Volume 9, Issue 2: 30-33.

  • Bansal A, Ponnish AS, Ramakrishnan N. Practical Approach to sleep disordered breathing. Ind J Resp Care 2013; 2:277 -83.

  • Prevention and treatment of Venous Thromboembolism. International Consensus Statement. (Guidelines according to scientific evidence). [Faculty – Dr. N. Ramakrishnan (India)]. International Angiology. 32:2, April 2013.

  • Raja Jayaram and Nagarajan Ramakrishnan. Reimbursement for critical care services in India. Indian J Crit Care Med. 2013 Jan-Feb; 17(1): 1–9.

  • Emlet LL, Al-Khafaji A, Kim YH, Venkataraman R, Rogers PL, Angus DC. Trial of Shift Scheduling with standardized sign out to improve continuity of critical care in Intensive Care Units. Crit Care Med 2012 Dec;40(12):3129-34.

  • Ramakrishnan Nagarajan, Lakshmi Ranganathan, Arvind K Sundaram, Mary Charles. CPAP therapy in OSA – A gap analysis between recommendation and usage. Indian J Sleep Med 2012; 7.4, 150-156.

  • Vijay Viswanathan, N Ramakrishnan, S Sunaina, A Vigneswari, K Satyavani. Subjects with Type 2 Diabetes may have Obstructive Sleep Apnea even at lower BMI values. Indian J Sleep Med 2012; 7.2: 45-47.

  • Liew NC, Chang YH, Choi G, Chu PH, Gao X, N. Ramakrishnan et al. Asian venous thromboembolism guidelines: prevention of venous thromboembolism. Int Angiol. 2012 Dec; 31(6):501-16.

  • Ramakrishnan N. Business of Sleep Medicine. Indian J Sleep Med 2010; 5:1:1-4.

  • Bagshaw SM, Uchino S, Bellomo R, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N, Tolwani A, Oudemans-van Straaten HM, Ronco C, Kellum JA; Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators. Timing of renal replacement therapy and clinical outcomes in critically ill patients with severe acute kidney injury. J Crit Care. 2009 Mar;24(1):129-40.

  • Bagshaw SM, Uchino S, Cruz D, Bellomo R, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N, Tolwani A, Oudemans-van Straaten HM, Ronco C, Kellum JA; Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators - Ramesh Venkataraman. A comparison of observed versus estimated baseline creatinine for determination of RIFLE class in patients with acute kidney injury. Nephrol Dial Transplant. 2009 Sep; 24(9): 2739-44.

  • Chavda M, Cherian A, Abraham BK, Ramakrishnan N. Medicolegal aspects of organ transplantation in India. IJPP 2009; 11 (2):112.

  • S Prakash, N Ramakrishnan. Narcolepsy: How common is the tetrad? Indian J Sleep Med 2009; 4 (2): 68-69.

  • Shneiderman H, Ramakrishnan N. Pretibial Myxoedema, autoimmune thyroid disorders, ophthalmopathy, and generalized myxedema: a confusing mixture. CONSULTANT 2008; 48:387-389.

  • TV Devarajan, PS Prashanth, Ashwin K Mani, Suma M Victor*, P Shabeena Khan. Dengue with ARDS. Journal of Indian Academy of Clinical Medicine. JIACM 2008; 9(2): 146-9.

  • Jayaram R, Ramakrishnan N. Cost of Intensive Care in India. Indian Journal of Crit Care Medicine, 2008; 12: 55.

  • Kellum JA, Venkataraman R, Powner D, Elder M, Hergenroeder G, Carter M. Feasibility study of cytokine removal by hemoadsorption in brain-dead humans. Crit Care Med. 2008 Jan; 36(1):268-72.

  • Murugan R, Venkataraman R, Wahed AS, Elder M, Hergenroeder G, Carter M, Madden NJ, Powner D, Kellum JA; HIDonOR Study Investigators. Increased plasma interleukin-6 in donors is associated with lower recipient hospital-free survival after cadaveric organ transplantation. Crit Care Med. 2008 Jun;36(6):1810-6.

  • Rajendiran G, Jayabalan R, Chandrahasan S, Mani AK. A case of acute paraplegia that improved with dialysis. Indian J Crit Care Med 2008;12:39-41.

  • Govarthanan R, Saravanan DC, Mani AK. Massive sedation for alcohol withdrawal.www.priory.com.2008

  • VA/NIH Acute Renal Failure Trial Network, Palevsky PM, Zhang JH, O'Connor TZ, Chertow GM, Crowley ST, Choudhury D, Finkel K, Kellum JA, Paganini E, Schein RM, Smith MW, Swanson KM, Thompson BT, Vijayan A, Watnick S, Star RA, Peduzzi P. Intensity of renal support in critically ill patients with acute kidney injury. N Engl J Med. 2008Jul 3;359(1):7-20.

  • Venkataraman R. Can we prevent acute kidney injury? Crit Care Med. 2008 Apr;36(4 Suppl):S166-71.

  • Venkataraman R, Kellum JA. Prevention of Acute Renal Failure. Chest,2007 Jan; 131(1):300-308.

  • Venkataraman R and Kellum JA. Defining ARF- RIFLE Criteria. J Intensive Care Med. 2007 Jul-Aug; 22(4):187-93.

  • A Subrahmanyam, T P Ramesh, N Ramakrishnan. Oxygenation of human blood using photocatalytic reaction. ASAIO Journal 2007; 53.

  • Ariga Padma, Ramakrishnan N, Vinod Narayanan. Management of Sleep Apnea: A dental perspective. Indian J Dent Res, 2007; 18 (4): 210 .

  • Bihari S, Jain N, Ramakrishnan N. Critical Care in India. ICU Management 2006/2007; 6 (4): 38.

  • Bihari S, Rajesh V, Ramakrishnan N. Value of Noninvasive Positive Pressure Ventilation (NPPV) during fiberoptic bronchoscopy. Indian Journal of Bronchology. 2007: 2:123.

  • Bihari S, Ramakrishnan N. A boy with episodic hypersomnolence – a case report. Indian Journal of Sleep Medicine 2007; 2 (3): 109.

  • Kellum J, Leblanc M, Venkataraman R. Acute renal failure. Am Fam Physician. 2007 Aug 1;76(3):418-22.

  • Madden NJ, Demarsico AJ, Schocker LA, Venkataraman R, Kellum JA. On-pump vs. off-pump coronary artery bypass surgery at a non-academic community hospital: have biocompatibility improvements eliminated the superiority of off-pump surgery? Int J Artif Organs. 2007 Apr; 30(4):338-44.

  • Raja JR, Ramakrishnan N. Comparison of Critical Care Services in Indian and the UK. ICU Management 2006/2007;6 (4): 42.

  • Ramakrishnan N, Schneiderman H. Artifactual broad complex tachycardia due to parkinsonian tremor. CONSULTANT 2007; 35: 985-89.

  • Bihari S, Ramakrishnan N. Delayed Sleep Phase Syndrome – A Case report. Indian Journal of Sleep Medicine 2006 (1): 3: 154.

  • Gunnerson K, Venkataraman R and Kellum JA: Acid-Base Disorders. In: Murray P, Brady HR and Hall JB (eds), Intensive Care in Nephrology, Martin Dunitz, London, 2006; Chapter 20, pp 301-314.

  • Venkataraman R, Kellum JA. Dialysis Dosing in Acute Renal Failure. ICU Management Volume 6- Issue 1-2006.

  • Venkataraman R, Murugan R. Blood Purification Strategies in Sepsis. In Ramakrishnan N (ed). Proceedings of the International Critical Care Congress and 12th Annual Conference of the Indian Society of Critical Care Medicine: Criticare Chennai 2006 (ISCCM). Pp 158-164.

  • Venkataraman R, Palevsky P, Kellum JA. Adequacy of dialysis in acute renal failure. Semin Nephrol 2005; 25 (2) (Mar): 120-124.

  • Venkataraman R, Kellum JA. Timing of Initiation of Renal Replacement Therapy in Acute Renal Failure. ICU Management Volume 5- Issue 4-2005-Winter. Page 20.

  • JR Raja, BK Abraham, N Ramakrishnan. ICU Telemedicine in India; promises and reality. ICU Management 2005;5 (4):14.

  • Kellum JA, Venkataraman R. Application of blood purification to non-renal organ failure. Int J Artif Organs.2005 May;28(5):445-9.

  • Kellum JA, Leblanc M and Venkataraman R: Acute Renal Failure. In Clinical Evidence: British Medical Journal. Edition 12 (2005).

  • Kellum JA, Venkataraman R. Treatment of Acute Renal Failure: Has mortality changed? In Criticare-2004: Proceedings of the 10th Annual Conference of ISCCM. Karnad DR (ed) Urvi Compugraphics, Mumbai, India 2004; pp 83-84.

  • Hoste E, Clermont G, Kersten A, Venkataraman R, Angus DC, DeBacquer D, Kellum JA. RIFLE criteria for acute kidney injury are associated with hospital mortality in critically ill patients: a cohort analysis. Critical Care 2006; 10(3): R73. (E published, 2006 May 12).

  • Venkataraman R. Vascular surgery critical care: perioperative cardiac optimization to improve survival. Crit Care Med 2006; 34(9-suppl): S-200-207.

  • Venkataraman R. Prevention of Acute Renal Failure. Critical Care Clinics 2005; 21(2):281-289.

  • Uchino S, Bellomo R, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N. Tolwani A, Doig GS, Oudemans van Straaten H, Ronco C, Kellum JA: Beginning and Ending Supportive Therapy for the Kidney (BEST Kidney) Investigators. External validation of severity scoring systems for acute renal failure using a multinational database. Crit Care Med 2005, 33 (9): 1961-7.

  • Uchino S, Kellum JA, Bellomo R, Doig G, Morimatsu H, Morgera S, Schetz M, Tan I, Bouman C, Macedo E, Gibney N, Tolwani A, Ronco C for the Beginning and Ending Supportive Therapy for the Kidney (BEST) Investigators. Acute Renal Failure in Critically Ill Patients: A multinational, multicenter study. JAMA August 2005; 294 (8) 813-818.

  • Venkataraman R and Kellum JA: Polyuria In: Fink MP, Abraham E, Vincent JL, Kochanek P (eds) Textbook of Critical Care, Fifth Edition, Elsevier, Philadelphia, 2005; Chapter 10, pp 43-46.

  • Venkataraman R, Kellum JA. Acute Renal Failure in the Critically Ill. Current Opinion in Anaesthesiology 2005; 18: 117-122.

  • Babu K. Abraham, Ramakrishnan N. Early detection of a sick patient. Apollo Hospitals Proceedings. Apr 2004, 02 (2): 47-50.

  • Venkataraman R, Song M, Lynas R, Kellum JA. Hemoadsorption to Improve Organ Recovery from Brian-Dead Organ Donors: A Novel Therapy for a Novel Indication? Blood Purification 2004; 22 (1): 143-149

  • Kellum JA, Song M, Venkataraman R. Effect of Hyperchloremic Acidosis on Arterial Pressure and Circulating Inflammatory Molecules in Experimental Sepsis. Chest, 2004;125 (1): 243-248.

  • Kellum JA, Song M, Venkataraman R. Hemoadsorption Removes TNF, IL-6, and IL-10, Reduces NFB DNA Binding, and Improves Short-Term Survival in Lethal Endotoxemia. Critical Care Medicine 2004; 32 (3): 801-805.

  • Ramakrishnan N, Nagesh CN, Nachiappan. Scorpion Sting: An Unusual complication. Apollo Hospitals Proceedings. Jan 2004; 02(1):21-23.

  • Rajan S, Ramakrishnan N. Acute Respiratory Distress Syndrome: A Comprehensive Review. Apollo Hospitals Proceedings 2003. 01; 03; 47-57.

  • Ashwin K Mani and Gregory C. Kane. Pulmonary manifestations of Mycobacterium Avium Intracellular infection in the immunocompetent host -– Hospital Physician Board Review Manual 11.1. 2003.

  • Clermont G, Angus DC, Kalassian KG, Linde-Zwirble WT, Ramakrishnan N, Linden PK, Pinsky MR. Reassessing the value of short-term mortality in sepsis: Comparing conventional approaches to modeling. Crit Care Med 2003; 31: 2627-2633.

  • Venkataraman R, Kellum JA. Novel Approaches to the Treatment of Acute Renal Failure. Expert Opin Investig Drugs, August 2003; 12 (8): 1353-1366.

  • Venkataraman R, Subramanian S and Kellum JA: Extracorporeal Blood Purification In Severe Sepsis. Critical Care, April 2003: 7(2): 139-145.

  • Venkataraman R, Kellum JA and Palevsky P: Dosing Patterns for Continuous Renal Replacement Therapy at a Large Academic Medical Center in the United States. Journal of Critical Care , December 2002; 17 (4): 246-250.

  • Venkataraman R, Kellum JA, Song MC and Fink MP: Resuscitation with Ringer’s Ethyl Pyruvate Solution Prolongs Survival and Modulates Plasma Cytokine and Nitirite/Nitrate Concentrations in a Rat Model of LPS-Induced Shock. SHOCK, 2002: 18 (6): 507-512.

  • Kellum JA, Angus DC, Johnson JP, Leblanc M, Griffin M, Ramakrishnan N, Linde-Zwirble WT. Continuous versus intermittent renal replacement therapy: A Meta-analysis. Intensive Care Medicine 2002. 28:29-37.

  • Subramanian S, Venkataraman R and Kellum JA: Influence of Dialysis Membranes on Outcomes in Acute Renal Failure: A Meta-Analysis. Kidney International, 2002: 62(5):1819-1823.

  • Venkataraman R and Kellum JA: The Role of Diuretic Agents in the Management of Acute Renal Failure In: Contrib. Nephrol 132/012, May, 2001.

  • Renal Failure In: Ronco C, Bellomo R and La Greca G (eds) Blood Purification in Intensive Care. Contributions to Nephrology, Karger, Basel, Sept 2001; Vol 132: 158-170.

  • Venkataraman R and Kellum JA: Novel Approaches to the Treatment of Acute Renal Failure. Expert Opinion In Investigational Drugs, 2000: 9 (11): 2579-2592.

  • Ramakrishnan N. An update on methods of resuscitation. Resident reporter 1999. 4;45.

  • Angus DC, Ramakrishnan N. Health Services and outcomes research in critical care. Critical Care and Shock 1998. 2:109.

  • Ramakrishnan N, Parker L. Thrombotic Thrombocytopenic Purpura following influenza vaccination – a brief case report. Connecticut Medicine 1998. 62; 10:587.

  • Misra KP, Ramakrishnan N. ECG diagnosis with clinical correlation. The Clinical Practice 1988. 2 (3): 99.

  • Ramakrishnan N, Schneiderman H. Necrobiosis lipoidica. Consultant 1996. 36:1011.

  • Ramakrishnan N, Schneiderman H. Pretibial myxedema. Consultant 1996. 36:309.

  • Ramakrishnan N, Schneiderman H. Pseudoarrhythmia due to tremors. Consultant 1995. 35:1835.

  • Olofinboba KA, Ramakrishnan N, Schneiderman H. Ectropion. Consultant 1995. 35: 839.

  • Ramakrishnan N. One Immigrant’s view: Racism in American. Connecticut Medicine 1995. 59:5:568.

  • Ramakrishnan N, Lakshminarayanan S, Schneiderman H. Hemophilic arthropathy. Consultant 1995. 35:8:1177.

  • Schneiderman H, Ramakrishnan N. Dupuytren’s Contracture. Consultant 1995. 35: 673.