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Institution

Viswanathan Ramakrishnan

Title
InstitutionMedical University of South Carolina
DepartmentPublic Health Sciences
AddressP.O. Box MSC 835
303S
Cannon Place - 135 Cannon St.
Phone843-876-1153
Fax843-876-1126
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    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Seo NJ, Woodbury ML, Bonilha L, Ramakrishnan V, Kautz SA, Downey RJ, Dellenbach BHS, Lauer AW, Roark CM, Landers LE, Phillips SK, Vatinno AA. TheraBracelet Stimulation During Task-Practice Therapy to Improve Upper Extremity Function After Stroke: A Pilot Randomized Controlled Study. Phys Ther. 2019 Mar 01; 99(3):319-328. PMID: 30690609.
      View in: PubMed
    2. Yu Z, Ramakrishnan V, Meinzer C. Simulation optimization for Bayesian multi-arm multi-stage clinical trial with binary endpoints. J Biopharm Stat. 2019; 29(2):306-317. PMID: 30763151.
      View in: PubMed
    3. Seo NJ, Lakshminarayanan K, Lauer AW, Ramakrishnan V, Schmit BD, Hanlon CA, George MS, Bonilha L, Downey RJ, DeVries W, Nagy T. Use of imperceptible wrist vibration to modulate sensorimotor cortical activity. Exp Brain Res. 2019 Mar; 237(3):805-816. PMID: 30607471.
      View in: PubMed
    4. Pliner EM, Seo NJ, Ramakrishnan V, Beschorner KE. Effects of upper body strength, hand placement and foot placement on ladder fall severity. Gait Posture. 2019 02; 68:23-29. PMID: 30439684.
      View in: PubMed
    5. Tomko RL, Saladin ME, Baker NL, McClure EA, Carpenter MJ, Ramakrishnan VR, Heckman BW, Wray JM, Foster KT, Tiffany ST, Metts CL, Gray KM. Sex Differences in Subjective and Behavioral Responses to Stressful and Smoking Cues Presented in the Natural Environment of Smokers. Nicotine Tob Res. 2018 Oct 26. PMID: 30371887.
      View in: PubMed
    6. Wolf BJ, Ramos PS, Hyer JM, Ramakrishnan V, Gilkeson GS, Hardiman G, Nietert PJ, Kamen DL. An Analytic Approach Using Candidate Gene Selection and Logic Forest to Identify Gene by Environment Interactions (G × E) for Systemic Lupus Erythematosus in African Americans. Genes (Basel). 2018 Oct 15; 9(10). PMID: 30326636.
      View in: PubMed
    7. Gower L, Jenkins D, Fraser JL, Ramakrishnan V, Coker-Bolt P. Early developmental assessment with a short screening test, the STEP, predicts one-year outcomes. J Perinatol. 2019 Feb; 39(2):184-192. PMID: 30301940.
      View in: PubMed
    8. Wahlquist AE, Muhammad LN, Herbert TL, Ramakrishnan V, Nietert PJ. Dissemination of novel biostatistics methods: Impact of programming code availability and other characteristics on article citations. PLoS One. 2018; 13(8):e0201590. PMID: 30067828.
      View in: PubMed
    9. Cassarly C, Martin RH, Chimowitz M, Peña EA, Ramakrishnan V, Palesch YY. Treatment effect on ordinal functional outcome using piecewise multistate Markov model with unobservable baseline: an application to the modified Rankin scale. J Biopharm Stat. 2019; 29(1):82-97. PMID: 29985739.
      View in: PubMed
    10. Payne EH, Gebregziabher M, Hardin JW, Ramakrishnan V, Egede LE. An empirical approach to determine a threshold for assessing overdispersion in Poisson and negative binomial models for count data. Commun Stat Simul Comput. 2018 Jul 05; 47(6):1722-1738. PMID: 30555205.
      View in: PubMed
    11. Taylor SN, Wahlquist A, Wagner CL, Ramakrishnan V, Ebeling M, Hollis BW. Functional indicators of vitamin D adequacy for very low birth weight infants. J Perinatol. 2018 05; 38(5):550-556. PMID: 29743660.
      View in: PubMed
    12. Parrilla-Carrero J, Buchta WC, Goswamee P, Culver O, McKendrick G, Harlan B, Moutal A, Penrod R, Lauer A, Ramakrishnan V, Khanna R, Kalivas P, Riegel AC. Restoration of Kv7 Channel-Mediated Inhibition Reduces Cued-Reinstatement of Cocaine Seeking. J Neurosci. 2018 Apr 25; 38(17):4212-4229. PMID: 29636392.
      View in: PubMed
    13. Cassarly C, Martin RH, Chimowitz M, Peña EA, Ramakrishnan V, Palesch YY. Comparison of multistate Markov modeling with contemporary outcomes in a reanalysis of the NINDS tissue plasminogen activator for acute ischemic stroke treatment trial. PLoS One. 2017; 12(10):e0187050. PMID: 29073195.
      View in: PubMed
    14. Prince Nelson SL, Ramakrishnan V, Nietert PJ, Kamen DL, Ramos PS, Wolf BJ. An evaluation of common methods for dichotomization of continuous variables to discriminate disease status. Commun Stat Theory Methods. 2017; 46(21):10823-10834. PMID: 29962658.
      View in: PubMed
    15. Argula RG, Karwa A, Lauer A, Gregg D, Silver RM, Feghali-Bostwick C, Schanpp LM, Egbert K, Usher BW, Ramakrishnan V, Hassoun PM, Strange C. Differences in Right Ventricular Functional Changes during Treatment between Systemic Sclerosis-associated Pulmonary Arterial Hypertension and Idiopathic Pulmonary Arterial Hypertension. Ann Am Thorac Soc. 2017 May; 14(5):682-689. PMID: 28282243.
      View in: PubMed
    16. Cassarly C, Martin RH, Chimowitz M, Peña EA, Ramakrishnan V, Palesch YY. Assessing type I error and power of multistate Markov models for panel data-A simulation study. Commun Stat Simul Comput. 2017; 46(9):7040-7061. PMID: 29225407.
      View in: PubMed
    17. Zhao W, Ramakrishnan V. Generalization of Wei's urn design to unequal allocations in sequential clinical trials. Contemp Clin Trials Commun. 2016 Apr 15; 2:75-79. PMID: 26878069.
      View in: PubMed
    18. Soler ZM, Hyer JM, Rudmik L, Ramakrishnan V, Smith TL, Schlosser RJ. Cluster analysis and prediction of treatment outcomes for chronic rhinosinusitis. J Allergy Clin Immunol. 2016 Apr; 137(4):1054-1062. PMID: 26806047.
      View in: PubMed
    19. Motawar B, Stinear JW, Lauer AW, Ramakrishnan V, Seo NJ. Delayed grip relaxation and altered modulation of intracortical inhibition with aging. Exp Brain Res. 2016 Apr; 234(4):985-95. PMID: 26686531.
      View in: PubMed
    20. Chhatbar PY, Ramakrishnan V, Kautz S, George MS, Adams RJ, Feng W. Transcranial Direct Current Stimulation Post-Stroke Upper Extremity Motor Recovery Studies Exhibit a Dose-Response Relationship. Brain Stimul. 2016 Jan-Feb; 9(1):16-26. PMID: 26433609.
      View in: PubMed
    21. Lakshminarayanan K, Lauer AW, Ramakrishnan V, Webster JG, Seo NJ. Application of vibration to wrist and hand skin affects fingertip tactile sensation. Physiol Rep. 2015 Jul 14; 3(7). PMID: 26177959.
      View in: PubMed
    22. Payne EH, Hardin JW, Egede LE, Ramakrishnan V, Selassie A, Gebregziabher M. Approaches for dealing with various sources of overdispersion in modeling count data: Scale adjustment versus modeling. Stat Methods Med Res. 2017 Aug; 26(4):1802-1823. PMID: 26031359.
      View in: PubMed
    23. Saladin ME, McClure EA, Baker NL, Carpenter MJ, Ramakrishnan V, Hartwell KJ, Gray KM. Increasing progesterone levels are associated with smoking abstinence among free-cycling women smokers who receive brief pharmacotherapy. Nicotine Tob Res. 2015 Apr; 17(4):398-406. PMID: 25762749.
      View in: PubMed
    24. Soler ZM, Hyer JM, Ramakrishnan V, Smith TL, Mace J, Rudmik L, Schlosser RJ. Identification of chronic rhinosinusitis phenotypes using cluster analysis. Int Forum Allergy Rhinol. 2015 May; 5(5):399-407. PMID: 25694390.
      View in: PubMed
    25. Bentzley JP, Coker-Bolt P, Moreau NG, Hope K, Ramakrishnan V, Brown T, Mulvihill D, Jenkins D. Kinematic measurement of 12-week head control correlates with 12-month neurodevelopment in preterm infants. Early Hum Dev. 2015 Feb; 91(2):159-64. PMID: 25621433.
      View in: PubMed
    26. Spainhour JC, Janech MG, Schwacke JH, Velez JC, Ramakrishnan V. The application of Gaussian mixture models for signal quantification in MALDI-TOF mass spectrometry of peptides. PLoS One. 2014; 9(11):e111016. PMID: 25372836.
      View in: PubMed
    27. Moran-Santa Maria MM, Baker NL, Ramakrishnan V, Brady KT, McRae-Clark A. Impact of acute guanfacine administration on stress and cue reactivity in cocaine-dependent individuals. Am J Drug Alcohol Abuse. 2015 Mar; 41(2):146-52. PMID: 25140866.
      View in: PubMed
    28. Moran-Santa Maria MM, McRae-Clark A, Baker NL, Ramakrishnan V, Brady KT. Yohimbine administration and cue-reactivity in cocaine-dependent individuals. Psychopharmacology (Berl). 2014 Oct; 231(21):4157-65. PMID: 24710621.
      View in: PubMed
    29. Barnwell E, Padmaraju V, Baranello R, Pacheco-Quinto J, Crosson C, Ablonczy Z, Eckman E, Eckman CB, Ramakrishnan V, Greig NH, Pappolla MA, Sambamurti K. Evidence of a novel mechanism for partial ?-secretase inhibition induced paradoxical increase in secreted amyloid ß protein. PLoS One. 2014; 9(3):e91531. PMID: 24658363.
      View in: PubMed
    30. Coker-Bolt P, Woodbury ML, Perkel J, Moreau NG, Hope K, Brown T, Ramakrishnan V, Mulvihill D, Jenkins D. Identifying premature infants at high and low risk for motor delays using motor performance testing and MRS. J Pediatr Rehabil Med. 2014; 7(3):219-32. PMID: 25260505.
      View in: PubMed
    31. Argula RG, Strange C, Ramakrishnan V, Goldin J. Baseline regional perfusion impacts exercise response to endobronchial valve therapy in advanced pulmonary emphysema. Chest. 2013 Nov; 144(5):1578-1586. PMID: 23828481.
      View in: PubMed
    32. Desantis SM, Lazaridis C, Palesch Y, Ramakrishnan V. Regression analysis of ordinal stroke clinical trial outcomes: an application to the NINDS t-PA trial. Int J Stroke. 2014 Feb; 9(2):226-31. PMID: 23803174.
      View in: PubMed
    33. Garofolo KM, Yeatts SD, Ramakrishnan V, Jauch EC, Johnston KC, Durkalski VL. The effect of covariate adjustment for baseline severity in acute stroke clinical trials with responder analysis outcomes. Trials. 2013 Apr 11; 14:98. PMID: 24499406.
      View in: PubMed
    34. Holkova B, Supko JG, Ames MM, Reid JM, Shapiro GI, Perkins EB, Ramakrishnan V, Tombes MB, Honeycutt C, McGovern RM, Kmieciak M, Shrader E, Wellons MD, Sankala H, Doyle A, Wright J, Roberts JD, Grant S. A phase I trial of vorinostat and alvocidib in patients with relapsed, refractory, or poor prognosis acute leukemia, or refractory anemia with excess blasts-2. Clin Cancer Res. 2013 Apr 01; 19(7):1873-83. PMID: 23515411.
      View in: PubMed
    35. Ramakrishnan V, Thacker LR. POPULATION ATTRIBUTABLE FRACTION AS A MEASURE OF HERITABILITY IN DICHOTOMOUS TWIN DATA. Commun Stat Simul Comput. 2012; 41(3). PMID: 24415830.
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    36. McKinney DL, Gogova M, Davies BD, Ramakrishnan V, Fisher K, Carter WH, Karnes HT, Garnett WR, Iyer SS, Somani AA, Kobal G, Barr WH. Evaluation of the effect of ammonia on nicotine pharmacokinetics using rapid arterial sampling. Nicotine Tob Res. 2012 May; 14(5):586-95. PMID: 22140146.
      View in: PubMed
    37. DeLorenzo RJ, Kirmani B, Deshpande LS, Jakkampudi V, Towne AR, Waterhouse E, Garnett L, Ramakrishnan V. Comparisons of the mortality and clinical presentations of status epilepticus in private practice community and university hospital settings in Richmond, Virginia. Seizure. 2009 Jul; 18(6):405-11. PMID: 19324574.
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    38. Baker J, Jatlow P, Pade P, Ramakrishnan V, McCance-Katz EF. Acute cocaine responses following cocaethylene infusion. Am J Drug Alcohol Abuse. 2007; 33(4):619-25. PMID: 17668348.
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    39. Myers SI, Myers DJ, Ahmend A, Ramakrishnan V. Preliminary results of subintimal angioplasty for limb salvage in lower extremities with severe chronic ischemia and limb-threatening ischemia. J Vasc Surg. 2006 Dec; 44(6):1239-46. PMID: 17145425.
      View in: PubMed
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