Eswar Krishnan, MD M.Phil

Immunologist, Rheumatologist

Assistant Professor of Medicine (Immunology and Rheumatology)

Immunology and Rheumatology Clinic

  • 900 Blake Wilbur Drive
  • Palo Alto, CA 94304
  • Phone: 650-723-6961
Learn More About the Clinic Getting Here Make An Appointment

Professional Education

Fellowship: Stanford University School of Medicine (2002) CA

Residency: The Chicago Medical School (2000) IL

Medical Education: Kerala University-Trivandrum Medical College (1994) India

MBBS (MD Equivalent), University of Kerala, Medicine (1994)

M. Phil, Cambridge University, Epidemiology (1995)

Honors & Awards

Runner up Gold Medal for academic proficiency, University of Kerala (1993)

Beverly Sackler Endowment Award, Cambridge University, UK (1994-5)

Annual Reseach Awards, Indian Council for Medical Research (1992,1993 & 1994)

Research Training Fellowship in Cancer Epidemiology, The World Health Organization (1994-95)

Distinguished Fellow Award, American College of Rheumatology (2002)

Multidisciplinary Clinical Research Scholar, NIH Roadmap Inititative/University of Pittsburgh (2005-2008)

T. Williams Franklin Scholar, Association of Subspecialty Professors (2009-2011)

Administrative Appointments

Director and PI, Stanford ARAMIS (2013 - Present)

Director, Clinical Epidemiology, Division of Immunology and Rheumatology, Stanford University (2008 - Present)

Member, Institute for Immunity, Transplant and Immunology, Stanford University (2008 - Present)

Reviewer, Scientific Advisory Council (Study Section), Research and Education Foundation, American College of Rheumatology (2007 - 2009)

Member, Annual Meeting Abstract selection committee, Epidemiology and health outcomes Section, American College of Rheumatology (2007 - Present)

Faculty, RAND-University of Pittsburgh Health Institute (2007 - 2008)

Member Institutional Review Board, The Reading Hospital and Medical Center (2005 - 2005)

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Relative Performance of Commonly Used Physical Function Questionnaires in Rheumatoid Arthritis and a Patient-Reported Outcomes Measurement Information System Computerized Adaptive Test
Voshaar, M. Aho., ten Klooster, P. M., Glas, C. Aw., Vonkeman, H. E., Krishnan, E., & van de Laar, M. Afj. (2014). Relative Performance of Commonly Used Physical Function Questionnaires in Rheumatoid Arthritis and a Patient-Reported Outcomes Measurement Information System Computerized Adaptive Test. ARTHRITIS & RHEUMATOLOGY, 66(10), 2900-2908.

A short tutorial on item response theory in rheumatology
Siemons, L., & Krishnan, E. (2014). A short tutorial on item response theory in rheumatology. CLINICAL AND EXPERIMENTAL RHEUMATOLOGY, 32(4), 581-586.

Extending the Floor and the Ceiling for Assessment of Physical Function
Fries, J. F., Lingala, B., Siemons, L., Glas, C. Aw., Cella, D., & Krishnan, E. (2014). Extending the Floor and the Ceiling for Assessment of Physical Function. ARTHRITIS & RHEUMATOLOGY, 66(5), 1378-1387.

Calibration of the PROMIS Physical Function Item Bank in Dutch Patients with Rheumatoid Arthritis
Voshaar, M. Aho., ten Klooster, P. M., Glas, C. Aw., Vonkeman, H. E., Taal, E., & van de Laar, M. Afj. (2014). Calibration of the PROMIS Physical Function Item Bank in Dutch Patients with Rheumatoid Arthritis. PLOS ONE, 9(3).

Atherosclerotic Cardiovascular Disease in Hospitalized Patients With Systemic Sclerosis: Higher Mortality Than Patients With Lupus and Rheumatoid Arthritis
Dave, A. J., Fiorentino, D., Lingala, B., Krishnan, E., & Chung, L. (2014). Atherosclerotic Cardiovascular Disease in Hospitalized Patients With Systemic Sclerosis: Higher Mortality Than Patients With Lupus and Rheumatoid Arthritis. ARTHRITIS CARE & RESEARCH, 66(2), 323-327.

Gout and the heart.
Bhole, V., & Krishnan, E. (2014). Gout and the heart. Rheumatic diseases clinics of North America, 40(1), 125-143.

Health and Exercise-Related Medical Issues among 1,212 Ultramarathon Runners: Baseline Findings from the Ultrarunners Longitudinal TRAcking (ULTRA) Study.
Hoffman, M. D., & Krishnan, E. (2014). Health and Exercise-Related Medical Issues among 1,212 Ultramarathon Runners: Baseline Findings from the Ultrarunners Longitudinal TRAcking (ULTRA) Study. PloS one, 9(1), e83867.

Big Data and Clinicians: A Review on the State of the Science
Wang, W., & Krishnan, E. (2014). Big Data and Clinicians: A Review on the State of the Science. JMIR Med Inform, 2(1).

Chronic Kidney Disease and the Risk of Incident Gout Among Middle-Aged Men A Seven-Year Prospective Observational Study
Krishnan, E. (2013). Chronic Kidney Disease and the Risk of Incident Gout Among Middle-Aged Men A Seven-Year Prospective Observational Study. ARTHRITIS AND RHEUMATISM, 65(12), 3271-3278.

Upper-Extremity and Mobility Subdomains From the Patient-Reported Outcomes Measurement Information System (PROMIS) Adult Physical Functioning Item Bank
Hays, R. D., Spritzer, K. L., Amtmann, D., Lai, J.-S., DeWitt, E. M., & Krishnan, E. (2013). Upper-Extremity and Mobility Subdomains From the Patient-Reported Outcomes Measurement Information System (PROMIS) Adult Physical Functioning Item Bank. ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, 94(11), 2291-2296.

Citrullination Within the Atherosclerotic Plaque: A Potential Target for the Anti-Citrullinated Protein Antibody Response in Rheumatoid Arthritis
Sokolove, J., Brennan, M. J., Sharpe, O., Lahey, L. J., Kao, A. H., & Robinson, W. H. (2013). Citrullination Within the Atherosclerotic Plaque: A Potential Target for the Anti-Citrullinated Protein Antibody Response in Rheumatoid Arthritis. ARTHRITIS AND RHEUMATISM, 65(7), 1719-1724.

Atherosclerotic cardiovascular disease and dermatomyositis: an analysis of the Nationwide Inpatient Sample survey.
Linos, E., Fiorentino, D., Lingala, B., Krishnan, E., & Chung, L. (2013). Atherosclerotic cardiovascular disease and dermatomyositis: an analysis of the Nationwide Inpatient Sample survey. Arthritis research & therapy, 15(1), R7-?.

Tophaceous gout and high level of hyperuricaemia are both associated with increased risk of mortality in patients with gout.
Perez-Ruiz, F., Martínez-Indart, L., Carmona, L., Herrero-Beites, A. M., Pijoan, J. I., & Krishnan, E. (2013). Tophaceous gout and high level of hyperuricaemia are both associated with increased risk of mortality in patients with gout. Annals of the rheumatic diseases.

Serum Urate and Incidence of Kidney Disease Among Veterans with Gout.
Krishnan, E., Akhras, K. S., Sharma, H., Marynchenko, M., Wu, E., & Shi, L. (2013). Serum Urate and Incidence of Kidney Disease Among Veterans with Gout. The Journal of rheumatology.

Relative and attributable diabetes risk associated with hyperuricemia in US veterans with gout.
Krishnan, E., Akhras, K. S., Sharma, H., Marynchenko, M., Wu, E. Q., & Shi, L. (2013). Relative and attributable diabetes risk associated with hyperuricemia in US veterans with gout. QJM : monthly journal of the Association of Physicians.

The components of action planning and their associations with behavior and health outcomes.
Lorig, K., Laurent, D. D., Plant, K., Krishnan, E., & Ritter, P. L. (2013). The components of action planning and their associations with behavior and health outcomes. Chronic illness.

Exercise Habits of Ultramarathon Runners: Baseline Findings from the ULTRA Study.
Hoffman, M. D., & Krishnan, E. (2013). Exercise Habits of Ultramarathon Runners: Baseline Findings from the ULTRA Study. Journal of strength and conditioning research / National Strength & Conditioning Association.

What have the Framingham cohorts taught us about hyperuricemia and gout?
Bhole V, & Krishnan E. (2013). What have the Framingham cohorts taught us about hyperuricemia and gout?. International Journal of Clinical Rheumatology, 8(2).

Atherosclerotic cardiovascular disease and dermatomyositis: an analysis of the Nationwide Inpatient Sample survey
Linos, E., Fiorentino, D., Lingala, B., Krishnan, E., & Chung, L. (2013). Atherosclerotic cardiovascular disease and dermatomyositis: an analysis of the Nationwide Inpatient Sample survey. ARTHRITIS RESEARCH & THERAPY, 15(1).

Body Mass Index and its Correlates in 1,212 Ultramarathon Runners: Baseline Findings from the ULTRA Study.
Hoffman, M. D., Chen, L., & Krishnan, E. (2013). Body Mass Index and its Correlates in 1,212 Ultramarathon Runners: Baseline Findings from the ULTRA Study. Journal of physical activity & health.

Responsiveness and minimally important difference for the Patient-Reported Outcomes Measurement Information System (PROMIS) 20-item physical functioning short form in a prospective observational study of rheumatoid arthritis.
Hays, R. D., Spritzer, K. L., Fries, J. F., & Krishnan, E. (2013). Responsiveness and minimally important difference for the Patient-Reported Outcomes Measurement Information System (PROMIS) 20-item physical functioning short form in a prospective observational study of rheumatoid arthritis. Annals of the rheumatic diseases.

Development and assessment of floor and ceiling items for the PROMIS physical function item bank.
Bruce, B., Fries, J., Lingala, B., Hussain, Y. N., & Krishnan, E. (2013). Development and assessment of floor and ceiling items for the PROMIS physical function item bank. Arthritis research & therapy, 15(5), R144-?.

The Filipino Gout- A Review.
Prasad, P., & Krishnan, E. (2013). The Filipino Gout- A Review. Arthritis care & research.

Trends in physician diagnosed gout and gout therapies in the US: results from the national ambulatory health care surveys 1993 to 2009.
Krishnan, E., & Chen, L. (2013). Trends in physician diagnosed gout and gout therapies in the US: results from the national ambulatory health care surveys 1993 to 2009. Arthritis research & therapy, 15(6), R181-?.

Reduced Glomerular Function and Prevalence of Gout: NHANES 2009-10
Krishnan, E. (2012). Reduced Glomerular Function and Prevalence of Gout: NHANES 2009-10. PLOS ONE, 7(11).

Decline in miR-181a expression with age impairs T cell receptor sensitivity by increasing DUSP6 activity
Li, G., Yu, M., Lee, W.- woo, Tsang, M., Krishnan, E., & Goronzy, J. J. (2012). Decline in miR-181a expression with age impairs T cell receptor sensitivity by increasing DUSP6 activity. NATURE MEDICINE, 18(10), 1518-U113.

Pegloticase and the patient with treatment-failure gout.
Dave, A. J., Kelly, V. M., & Krishnan, E. (2012). Pegloticase and the patient with treatment-failure gout. Expert review of clinical pharmacology, 5(5), 501-508.

Low-Level Lead Exposure and the Prevalence of Gout An Observational Study
Krishnan, E., Lingala, B., & Bhalla, V. (2012). Low-Level Lead Exposure and the Prevalence of Gout An Observational Study. ANNALS OF INTERNAL MEDICINE, 157(4), 233-?.

Hyperuricemia in Young Adults and Risk of Insulin Resistance, Prediabetes, and Diabetes: A 15-Year Follow-up Study
Krishnan, E., Pandya, B. J., Chung, L., Hariri, A., & Dabbous, O. (2012). Hyperuricemia in Young Adults and Risk of Insulin Resistance, Prediabetes, and Diabetes: A 15-Year Follow-up Study. AMERICAN JOURNAL OF EPIDEMIOLOGY, 176(2), 108-116.

Nature Versus Nurture in Gout: A Twin Study
Krishnan, E., Lessov-Schlaggar, C. N., Krasnow, R. E., & Swan, G. E. (2012). Nature Versus Nurture in Gout: A Twin Study. AMERICAN JOURNAL OF MEDICINE, 125(5), 499-504.

Hyperuricemia and the echocardiographic measures of myocardial dysfunction.
Krishnan, E., Hariri, A., Dabbous, O., & Pandya, B. J. (2012). Hyperuricemia and the echocardiographic measures of myocardial dysfunction. Congestive heart failure (Greenwich, Conn.), 18(3), 138-143.

Disability in rheumatoid arthritis in the era of biological treatments
Krishnan, E., Lingala, B., Bruce, B., & Fries, J. F. (2012). Disability in rheumatoid arthritis in the era of biological treatments. ANNALS OF THE RHEUMATIC DISEASES, 71(2), 213-218.

Lifestyle Risk Factors Predict Disability and Death in Healthy Aging Adults
Chakravarty, E. F., Hubert, H. B., Krishnan, E., Bruce, B. B., Lingala, V. B., & Fries, J. F. (2012). Lifestyle Risk Factors Predict Disability and Death in Healthy Aging Adults. AMERICAN JOURNAL OF MEDICINE, 125(2), 190-197.

Dutch translation and cross-cultural adaptation of the PROMIS (R) physical function item bank and cognitive pre-test in Dutch arthritis patients
Voshaar, M. Aho., ten Klooster, P. M., Taal, E., Krishnan, E., & van de Laar, M. Afj. (2012). Dutch translation and cross-cultural adaptation of the PROMIS (R) physical function item bank and cognitive pre-test in Dutch arthritis patients. ARTHRITIS RESEARCH & THERAPY, 14(2).

Metabolic syndrome and gout.
Krishnan E. (2012). Metabolic syndrome and gout. Oxidative Stress in Advanced Basic Research and Clinical Practice. Studies on Arthritis and Joint Diseases. Springer.

Muscle strength, mass, and quality in older men and women with knee osteoarthritis
Conroy, M. B., Kwoh, C. K., Krishnan, E., Nevitt, M. C., Boudreau, R., & Goodpaster, B. H. (2012). Muscle strength, mass, and quality in older men and women with knee osteoarthritis. ARTHRITIS CARE & RESEARCH, 64(1), 15-21.

Metabolic Syndrome and gout
Krishnan E. (2012). Metabolic Syndrome and gout. In: Alcaraz M (Ed) Oxidative Stress in Advanced Basic Research and Clinical Practice. Studies on Arthritis and Joint Diseases. Springer.

Hyperuricemia and untreated gout are poor prognostic markers among those with a recent acute myocardial infarction
Krishnan, E., Pandya, B. J., Lingala, B., Hariri, A., & Dabbous, O. (2012). Hyperuricemia and untreated gout are poor prognostic markers among those with a recent acute myocardial infarction. ARTHRITIS RESEARCH & THERAPY, 14(1).

Epidemiology and Risk Factors
Krishnan E. (2012). Epidemiology and Risk Factors. In: Gout & Other Crystal Arthropathies Terkeltaub R(Ed.) Elsevier Saunders.

Dutch translation and cross-cultural adaptation of the PROMIS® physical function item bank and cognitive pre-test in Dutch arthritis patients.
Oude Voshaar, M. A., ten Klooster, P. M., Taal, E., Krishnan, E., & van de Laar, M. Afj. (2012). Dutch translation and cross-cultural adaptation of the PROMIS® physical function item bank and cognitive pre-test in Dutch arthritis patients. Arthritis research & therapy, 14(2), R47-?.

Hyperuricemia and carotid artery dilatation among young adults without metabolic syndrome
Krishnan E, Wildman R, Cooper J, & Sutton-Tyrrell K. (2012). Hyperuricemia and carotid artery dilatation among young adults without metabolic syndrome. Rheumatology Reports, 10.4081.

Gout and the risk for incident heart failure and systolic dysfunction
Krishnan, E. (2012). Gout and the risk for incident heart failure and systolic dysfunction. BMJ OPEN.

The Future of Measuring Patient-Reported Outcomes in Rheumatology
Khanna, D., Krishnan, E., DeWitt, E. M., Khanna, P. P., Spiegel, B., & Hays, R. D. (2011). The Future of Measuring Patient-Reported Outcomes in Rheumatology. ARTHRITIS CARE & RESEARCH, 63, S486-S490.

Chronic kidney disease in gout in a managed care setting
Fuldeore, M. J., Riedel, A. A., Zarotsky, V., Pandya, B. J., Dabbous, O., & Krishnan, E. (2011). Chronic kidney disease in gout in a managed care setting. BMC NEPHROLOGY, 12.

Developing a Construct to Evaluate Flares in Rheumatoid Arthritis: A Conceptual Report of the OMERACT RA Flare Definition Working Group
Alten, R., Pohl, C., Choy, E. H., Christensen, R., Furst, D. E., & Bingham, C. O. (2011). Developing a Construct to Evaluate Flares in Rheumatoid Arthritis: A Conceptual Report of the OMERACT RA Flare Definition Working Group. JOURNAL OF RHEUMATOLOGY, 38(8), 1745-1750.

Identifying Preliminary Domains to Detect and Measure Rheumatoid Arthritis Flares: Report of the OMERACT 10 RA Flare Workshop
Bingham, C. O., Alten, R., Bartlett, S. J., Bykerk, V. P., Brooks, P. M., & Woodworth, T. G. (2011). Identifying Preliminary Domains to Detect and Measure Rheumatoid Arthritis Flares: Report of the OMERACT 10 RA Flare Workshop. JOURNAL OF RHEUMATOLOGY, 38(8), 1751-1758.

The PROMIS of Better Outcome Assessment: Responsiveness, Floor and Ceiling Effects, and Internet Administration
Fries, J., Rose, M., & Krishnan, E. (2011). The PROMIS of Better Outcome Assessment: Responsiveness, Floor and Ceiling Effects, and Internet Administration. JOURNAL OF RHEUMATOLOGY, 38(8), 1759-1764.

An Analysis of Connective Tissue Disease-associated Interstitial Lung Disease at a US Tertiary Care Center: Better Survival in Patients with Systemic Sclerosis
Su, R., Bennett, M., Jacobs, S., Hunter, T., Bailey, C., & Chung, L. (2011). An Analysis of Connective Tissue Disease-associated Interstitial Lung Disease at a US Tertiary Care Center: Better Survival in Patients with Systemic Sclerosis. JOURNAL OF RHEUMATOLOGY, 38(4), 693-701.

Relationship between physician specialty and allopurinol prescribing patterns: a study of patients with gout in managed care settings
Pandya, B. J., Riedel, A. A., Swindle, J. P., Becker, L. K., Hariri, A., & Krishnan, E. (2011). Relationship between physician specialty and allopurinol prescribing patterns: a study of patients with gout in managed care settings. CURRENT MEDICAL RESEARCH AND OPINION, 27(4), 737-744.

Uric acid in heart disease: a new C-reactive protein?
Krishnan, E., & Sokolove, J. (2011). Uric acid in heart disease: a new C-reactive protein?. CURRENT OPINION IN RHEUMATOLOGY, 23(2), 174-177.

OMERACT RA Flare Definition Working Group. Identifying preliminary domains to detect and measure rheumatoid arthritis flares: report of the OMERACT 10 RA Flare Workshop.
Bingham CO 3rd, Alten R, Bartlett SJ, & Bykerk VP et al. (2011). OMERACT RA Flare Definition Working Group. Identifying preliminary domains to detect and measure rheumatoid arthritis flares: report of the OMERACT 10 RA Flare Workshop. J Rheumatol, 38(8).

Patient-Reported Outcomes Measurement Information System (PROMIS®) -- The future of measuring patient reported outcomes in rheumatology.
Khanna, D., Krishnan, E., Dewitt, E. M., Khanna, P. P., Spiegel, B., & Hays, R. D. (2011). Patient-Reported Outcomes Measurement Information System (PROMIS®) -- The future of measuring patient reported outcomes in rheumatology. Arthritis care & research, 63(S11), S486-S490.

Systemic sclerosis 2011.
Chung, L., Distler, O., Hummers, L., Krishnan, E., & Steen, V. (2011). Systemic sclerosis 2011. International journal of rheumatology, 2011, 308231-?.

Hyperuricemia and carotid artery dilatation among young adults without metabolic syndrome
Krishnan E, Wildman RP, Barinas-Mitchell, Cooper J, & Sutton-Tyrrell K. (2011). Hyperuricemia and carotid artery dilatation among young adults without metabolic syndrome. Rheumatology Reports, 4.

Hyperuricemia and the risk for subclinical coronary atherosclerosis - data from a prospective observational cohort study
Krishnan, E., Pandya, B. J., Chung, L., & Dabbous, O. (2011). Hyperuricemia and the risk for subclinical coronary atherosclerosis - data from a prospective observational cohort study. ARTHRITIS RESEARCH & THERAPY, 13(2).

OMERACT RA Flare Definition Working Group. Developing a construct to evaluate flares in rheumatoid arthritis: a conceptual report of the OMERACT RA Flare Definition Working Group
Alten R, Pohl C, Choy EH, & Christensen R et. al. (2011). OMERACT RA Flare Definition Working Group. Developing a construct to evaluate flares in rheumatoid arthritis: a conceptual report of the OMERACT RA Flare Definition Working Group. J rheumatol, 38(8).

Epidemiology and risk factors
Krishnan E. (2011). Epidemiology and risk factors. In: Gout & Other Crystal Arthropathies. Terkeltaub R(Ed.) Elsevier Saunders.

Improved responsiveness and reduced sample size requirements of PROMIS physical function scales with item response theory
Fries, J. F., Krishnan, E., Rose, M., Lingala, B., & Bruce, B. (2011). Improved responsiveness and reduced sample size requirements of PROMIS physical function scales with item response theory. ARTHRITIS RESEARCH & THERAPY, 13(5).

Febuxostat for the treatment of hyperuricemia in patients with gout
Kelly VM, & Krishnan E. (2011). Febuxostat for the treatment of hyperuricemia in patients with gout. International Journal of Clinical Rheumatology, 6:(5;).

Systemic Lupus Erythematosus, Rheumatoid Arthritis, and Postarthroplasty Mortality: A Cross-sectional Analysis from the Nationwide Inpatient Sample
Domsic, R. T., Lingala, B., & Krishnan, E. (2010). Systemic Lupus Erythematosus, Rheumatoid Arthritis, and Postarthroplasty Mortality: A Cross-sectional Analysis from the Nationwide Inpatient Sample. JOURNAL OF RHEUMATOLOGY, 37(7), 1467-1472.

Inflammation, oxidative stress and lipids: the risk triad for atherosclerosis in gout
Krishnan, E. (2010). Inflammation, oxidative stress and lipids: the risk triad for atherosclerosis in gout. RHEUMATOLOGY, 49(7), 1229-1238.

Epidemiology of Gout in Women Fifty-two-Year Followup of a Prospective Cohort
Bhole, V., De Vera, M., Rahman, M. M., Krishnan, E., & Choi, H. (2010). Epidemiology of Gout in Women Fifty-two-Year Followup of a Prospective Cohort. ARTHRITIS AND RHEUMATISM, 62(4), 1069-1076.

Vascular disease in systemic sclerosis.
Chung, L., Distler, O., Hummers, L., Krishnan, E., & Steen, V. (2010). Vascular disease in systemic sclerosis. International journal of rheumatology, 2010, 714172-?.

Hyperuricemia and Incident Heart Failure
Krishnan, E. (2009). Hyperuricemia and Incident Heart Failure. CIRCULATION-HEART FAILURE, 2(6), 556-562.

Progress in Assessing Physical Function in Arthritis: PROMIS Short Forms and Computerized Adaptive Testing
Fries, J. F., Cella, D., Rose, M., Krishnan, E., & Bruce, B. (2009). Progress in Assessing Physical Function in Arthritis: PROMIS Short Forms and Computerized Adaptive Testing. JOURNAL OF RHEUMATOLOGY, 36(9), 2061-2066.

What constitutes progress in assessing patient outcomes?
Fries, J. F., & Krishnan, E. (2009). What constitutes progress in assessing patient outcomes?. JOURNAL OF CLINICAL EPIDEMIOLOGY, 62(8), 779-780.

Items, Instruments, Crosswalks, and PROMIS
Fries, J. F., Krishnan, E., & Bruce, B. (2009). Items, Instruments, Crosswalks, and PROMIS. JOURNAL OF RHEUMATOLOGY, 36(6), 1093-1095.

Characterizing systemic sclerosis in Northern California: focus on Asian and Hispanic patients
Schmajuk, G., Bush, T. M., Burkham, J., Krishnan, E., & Chung, L. (2009). Characterizing systemic sclerosis in Northern California: focus on Asian and Hispanic patients. CLINICAL AND EXPERIMENTAL RHEUMATOLOGY, 27(3), S22-S25.

Characterizing systemic sclerosis in Northern California: focus on Asian and Hispanic patients.
Schmajuk, G., Bush, T. M., Burkham, J., Krishnan, E., & Chung, L. (2009). Characterizing systemic sclerosis in Northern California: focus on Asian and Hispanic patients. Clinical and experimental rheumatology, 27(3), 22-25.

Frequency, Risk, and Cost of Gout-related Episodes Among the Elderly: Does Serum Uric Acid Level Matter?
Wu, E. Q., Patel, P. A., Mody, R. R., Yu, A. P., Cahill, K. E., & Krishnan, E. (2009). Frequency, Risk, and Cost of Gout-related Episodes Among the Elderly: Does Serum Uric Acid Level Matter?. JOURNAL OF RHEUMATOLOGY, 36(5), 1032-1040.

Poor Outcomes After Acute Myocardial Infarction in Systemic Lupus Erythematosus
Shah, M. A., Shah, A. M., & Krishnan, E. (2009). Poor Outcomes After Acute Myocardial Infarction in Systemic Lupus Erythematosus. JOURNAL OF RHEUMATOLOGY, 36(3), 570-575.

Gout and the risk of type 2 diabetes among men with a high cardiovascular risk profile
Choi, H. K., de Vera, M. A., & Krishnan, E. (2008). Gout and the risk of type 2 diabetes among men with a high cardiovascular risk profile. RHEUMATOLOGY, 47(10), 1567-1570.

Hyperuricaemia - Where nephrology meets rheumatology
Avram, Z., & Krishnan, E. (2008). Hyperuricaemia - Where nephrology meets rheumatology. RHEUMATOLOGY, 47(7), 960-964.

Gout and coronary artery disease: epidemiologic clues.
Krishnan, E. (2008). Gout and coronary artery disease: epidemiologic clues. Current rheumatology reports, 10(3), 249-255.

Long-term cardiovascular mortality among middle-aged men with gout
Krishnan, E., Svendsen, K., Neaton, J. D., Grandits, G., & Kuller, L. H. (2008). Long-term cardiovascular mortality among middle-aged men with gout. ARCHIVES OF INTERNAL MEDICINE, 168(10), 1104-1110.

Gout in ambulatory care settings in the united states
Krishnan, E., Lienesch, D., & Kwoh, C. K. (2008). Gout in ambulatory care settings in the united states. JOURNAL OF RHEUMATOLOGY, 35(3), 498-501.

Factors associated with patients who leave acute-care hospitals against medical advice
Ibrahim, S. A., Kwoh, C. K., & Krishnan, E. (2007). Factors associated with patients who leave acute-care hospitals against medical advice. AMERICAN JOURNAL OF PUBLIC HEALTH, 97(12), 2204-2208.

Hospitalizations and mortality in systemic sclerosis: results from the Nationwide Inpatient Sample
Chung, L., Krishnan, E., & Chakravarty, E. F. (2007). Hospitalizations and mortality in systemic sclerosis: results from the Nationwide Inpatient Sample. RHEUMATOLOGY, 46(12), 1808-1813.

Primary knee and hip arthroplasty among nonagenarians and centenarians in the United States
Krishnan, E., Fries, J. F., & Kwoh, C. K. (2007). Primary knee and hip arthroplasty among nonagenarians and centenarians in the United States. ARTHRITIS & RHEUMATISM-ARTHRITIS CARE & RESEARCH, 57(6), 1038-1042.

Hyperuricemia and incidence of hypertension among men without metabolic syndrome
Krishnan, E., Kwoh, C. K., Schumacher, H. R., & Kuller, L. (2007). Hyperuricemia and incidence of hypertension among men without metabolic syndrome. HYPERTENSION, 49(2), 298-303.

Ethics of Clinical Trials
Krishnan E. (2007). Ethics of Clinical Trials. : Kartha CC, editor. Kerala fifty years and beyond. Trivandrum, India: Gautha Books.

Sleep-disordered breathing among women with fibromyalgia syndrome
Shah, M. A., Feinberg, S., & Krishnan, E. (2006). Sleep-disordered breathing among women with fibromyalgia syndrome. JCR-JOURNAL OF CLINICAL RHEUMATOLOGY, 12(6), 277-281.

Ethnicity and mortality from systemic lupus erythematosus in the US
Krishnan, E., & Hubert, H. B. (2006). Ethnicity and mortality from systemic lupus erythematosus in the US. ANNALS OF THE RHEUMATIC DISEASES, 65(11), 1500-1505.

Hospitalization and mortality of patients with systemic lupus erythematosus
Krishnan, E. (2006). Hospitalization and mortality of patients with systemic lupus erythematosus. JOURNAL OF RHEUMATOLOGY, 33(9), 1770-1774.

Gout and the risk of acute myocardial infarction
Krishnan, E., Baker, J. F., Furst, D. E., & Schumacher, H. R. (2006). Gout and the risk of acute myocardial infarction. ARTHRITIS AND RHEUMATISM, 54(8), 2688-2696.

Obstetric hospitalizations in the United States for women with systemic lupus erythematosus and rheumatoid arthritis
Chakravarty, E. F., Nelson, L., & Krishnan, E. (2006). Obstetric hospitalizations in the United States for women with systemic lupus erythematosus and rheumatoid arthritis. ARTHRITIS AND RHEUMATISM, 54(3), 899-907.

Stroke subtypes among young patients with systemic lupus erythematosus.
Krishnan, E. (2005). Stroke subtypes among young patients with systemic lupus erythematosus. American journal of medicine, 118(12), 1415-?.

Systemic sclerosis mortality in the United States: 1979-1998
Krishnan, E., & Furst, D. E. (2005). Systemic sclerosis mortality in the United States: 1979-1998. EUROPEAN JOURNAL OF EPIDEMIOLOGY, 20(10), 855-861.

Impact of age and comorbidities on the criteria for remission and response in rheumatoid arthritis
Krishnan, E., Hakkinen, A., Sokka, T., & Hannonen, P. (2005). Impact of age and comorbidities on the criteria for remission and response in rheumatoid arthritis. ANNALS OF THE RHEUMATIC DISEASES, 64(9), 1350-1352.

Serum uric acid and cardiovascular disease: Recent developments, and where do they leave us?
Baker, J. F., Krishnan, E., Chen, L., & Schumacher, H. R. (2005). Serum uric acid and cardiovascular disease: Recent developments, and where do they leave us?. AMERICAN JOURNAL OF MEDICINE, 118(8), 816-826.

Unregistered trials are unethical
Krishnan, E. (2005). Unregistered trials are unethical. PLOS MEDICINE, 2(2), 169-169.

Rheumatoid arthritis: Radiographic progression is getting milder
Krishnan, E., & Fries, J. F. (2005). Rheumatoid arthritis: Radiographic progression is getting milder. JOURNAL OF RHEUMATOLOGY, 32(1), 195-195.

National databases and rheumatology research II: the National Health and Nutrition Examination Surveys
Sokka, T., & Krishnan, E. (2004). National databases and rheumatology research II: the National Health and Nutrition Examination Surveys. RHEUMATIC DISEASE CLINICS OF NORTH AMERICA, 30(4), 869-?.

Declines in mortality from acute myocardial infarction in successive incidence and birth cohorts of patients with rheumatoid arthritis
Krishnan, E., Lingala, V. B., & Singh, G. (2004). Declines in mortality from acute myocardial infarction in successive incidence and birth cohorts of patients with rheumatoid arthritis. CIRCULATION, 110(13), 1774-1779.

Attrition bias in rheumatoid arthritis databanks: A case study of 6346 patients in 11 databanks and 65,649 administrations of the health assessment questionnaire
Krishnan, E., Murtagh, K., Bruce, B., Cline, D., Singh, G., & Fries, J. F. (2004). Attrition bias in rheumatoid arthritis databanks: A case study of 6346 patients in 11 databanks and 65,649 administrations of the health assessment questionnaire. JOURNAL OF RHEUMATOLOGY, 31(7), 1320-1326.

Similar prediction of mortality by the health assessment questionnaire in patients with rheumatoid arthritis and the general population
Sokka, T., Hakkinen, A., Krishnan, E., & Hannonen, P. (2004). Similar prediction of mortality by the health assessment questionnaire in patients with rheumatoid arthritis and the general population. ANNALS OF THE RHEUMATIC DISEASES, 63(5), 494-497.

Normative values for the health assessment questionnaire disability index - Benchmarking disability in the general population
Krishnan, E., Sokka, T., Hakkinen, A., Hubert, H., & Hannonen, P. (2004). Normative values for the health assessment questionnaire disability index - Benchmarking disability in the general population. ARTHRITIS AND RHEUMATISM, 50(3), 953-960.

Patient questionnaires and formal education level as prospective predictors of mortality over 10 years in 97% of 1416 patients with rheumatoid arthritis from 15 United States private practices
Pincus, T., Keysor, J., Sokka, T., Krishnan, E., & Callahan, L. F. (2004). Patient questionnaires and formal education level as prospective predictors of mortality over 10 years in 97% of 1416 patients with rheumatoid arthritis from 15 United States private practices. JOURNAL OF RHEUMATOLOGY, 31(2), 229-234.

Equipoise, design bias, and randomized controlled trials: the elusive ethics of new drug development
Fries, J. F., & Krishnan, E. (2004). Equipoise, design bias, and randomized controlled trials: the elusive ethics of new drug development. ARTHRITIS RESEARCH & THERAPY, 6(3), R250-R255.

Percentile benchmarks in patients with rheumatoid arthritis: Health Assessment Questionnaire as a quality indicator (QI)
Krishnan, E., Tugwell, P., & Fries, J. F. (2004). Percentile benchmarks in patients with rheumatoid arthritis: Health Assessment Questionnaire as a quality indicator (QI). ARTHRITIS RESEARCH & THERAPY, 6(6), R505-R513.

Musculoskeletal disorders and the national health and nutrition examination surveys (NHANES)
Sokka T, & Krishnan E. (2004). Musculoskeletal disorders and the national health and nutrition examination surveys (NHANES). Rheumatic disease clinics of North America, 30(4).

Measuring effectiveness of drugs in observational databanks: promises and perils
Krishnan, E., & Fries, J. F. (2004). Measuring effectiveness of drugs in observational databanks: promises and perils. ARTHRITIS RESEARCH & THERAPY, 6(2), 41-44.

A randomized, controlled trial of interferon-beta-1a (Avonex(R)) in patients with rheumatoid arthritis: a pilot study [ISRCTN03626626].
Genovese, M. C., Chakravarty, E. F., Krishnan, E., & Moreland, L. W. (2004). A randomized, controlled trial of interferon-beta-1a (Avonex(R)) in patients with rheumatoid arthritis: a pilot study [ISRCTN03626626]. Arthritis research & therapy, 6(1), R73-R77.

Musculoskeletal disorders and the national health and nutrition examination surveys (NHANES)
Sokka T, & Krishnan E. (2004). Musculoskeletal disorders and the national health and nutrition examination surveys (NHANES). Rheumatic Disease Clinics of North America, 30(4).

Smoking, gender and rheumatoid arthritis-epidemiological clues to etiology - Results from the behavioral risk factor surveillance system
Krishnan, E. (2003). Smoking, gender and rheumatoid arthritis-epidemiological clues to etiology - Results from the behavioral risk factor surveillance system. JOINT BONE SPINE, 70(6), 496-502.

Reduction in long-term functional disability in rheumatoid arthritis from 1977 to 1998: A longitudinal study of 3035 patients
Krishnan, E., & Fries, J. F. (2003). Reduction in long-term functional disability in rheumatoid arthritis from 1977 to 1998: A longitudinal study of 3035 patients. AMERICAN JOURNAL OF MEDICINE, 115(5), 371-376.

Early and extensive erosiveness in peripheral joints predicts atlantoaxial subluxations in patients with rheumatoid arthritis
Neva, M. H., Isomaki, P., Hannonen, P., KAUPPI, M., Krishnan, E., & Sokka, T. (2003). Early and extensive erosiveness in peripheral joints predicts atlantoaxial subluxations in patients with rheumatoid arthritis. ARTHRITIS AND RHEUMATISM, 48(7), 1808-1813.

Long-term observational studies
Krishnan E, Singh G, & Tugwell P. (2003). Long-term observational studies. In: Smolen J, Lipsky P (Eds.) Targeted therapies in rheumatology. London: Martin Dunitz.

Functional disability in rheumatoid arthritis patients compared with a community population in Finland
Sokka, T., Krishnan, E., Hakkinen, A., & Hannonen, P. (2003). Functional disability in rheumatoid arthritis patients compared with a community population in Finland. ARTHRITIS AND RHEUMATISM, 48(1), 59-63.

Smoking-gender interaction and risk for rheumatoid arthritis
Krishnan, E., Sokka, T., & Hannonen, P. (2003). Smoking-gender interaction and risk for rheumatoid arthritis. ARTHRITIS RESEARCH & THERAPY, 5(3), R158-R162.

Long-term observational studies
Krishnan E, Singh G, & Tugwell P. (2003). Long-term observational studies. In: Smolen J, Lipsky P (Eds.) Targeted therapies in rheumatology. London: Martin Dunitz;.

Epidemiology of gynaecological cancers
Day NE, & Krishnan E. (1997). Epidemiology of gynaecological cancers. n: Soutter (Ed) Shaw?s Textbook of Gynaecology Churchill Livingstone. Edinburgh.

PLAGUE IN INDIA
Krishnan, E. (1994). PLAGUE IN INDIA. LANCET, 344(8932), 1298-1298.

SCREENING MAMMOGRAPHY
Nair, M. K., Krishnan, E., & Varghese, C. (1994). SCREENING MAMMOGRAPHY. LANCET, 343(8900), 793-793.

Survival in multiple myeloma in Kerala.
Nair, M. K., Varghese, C., Krishnan, E., Sankaranarayanan, R., & Nair, B. (1993). Survival in multiple myeloma in Kerala. National medical journal of India, 6(1), 7-10.

INDEPENDENT PREDICTORS OF RESPONSE AND DISEASE-FREE SURVIVAL IN ORAL-CANCER TREATED WITH RADICAL RADIATION-THERAPY
Nair, M. K., Sankaranarayanan, R., Krishnan, E., Padmanabhan, T. K., Mayadevi, S., & Mathew, A. (1992). INDEPENDENT PREDICTORS OF RESPONSE AND DISEASE-FREE SURVIVAL IN ORAL-CANCER TREATED WITH RADICAL RADIATION-THERAPY. CANCER, 69(9), 2221-2226.

Evaluation of reply-paid postcards as a cost-effective follow-up strategy in Kerala
Varchese C, Ramadas K, Krishnan E, Suma OV, & Bhaskar SJ. (1991). Evaluation of reply-paid postcards as a cost-effective follow-up strategy in Kerala. Cancer Registry Abstract: Newsletter of the National Cancer Registry Programme-ICMR,, 5.

The case for an aggressive prevention strategy
Krishnan E, & Soman CR. (1991). The case for an aggressive prevention strategy. Kerala Medical Journal, 33(4).