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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    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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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Scronce G, Ramakrishnan V, Vatinno AA, Seo NJ. Effect of Self-Directed Home Therapy Adherence Combined with TheraBracelet on Poststroke Hand Recovery: A Pilot Study. Stroke Res Treat. 2023; 2023:3682898. PMID: 36936523; PMCID: PMC10017223.
      Citations:    
    2. Martin EL, Neelon B, Brady KT, Guille C, Baker NL, Ramakrishnan V, Gray KM, Saladin ME, McRae-Clark AL. Differential prevalence of Adverse Childhood Experiences (ACEs) by gender and substance used in individuals with cannabis, cocaine, opioid, and tobacco use disorders. Am J Drug Alcohol Abuse. 2023 Mar 07; 1-9. PMID: 36881810.
      Citations:    Fields:    
    3. Pennington A, Ramakrishnan V, Scronce G, Coupland K, Vatinno AA, Seo NJ. Effect of Using TheraBracelet on Grasping versus Reaching in Poststroke Rehabilitation. OTJR (Thorofare N J). 2023 Feb 09; 15394492231151887. PMID: 36757086.
      Citations: 1     Fields:    
    4. Baker NL, Ramakrishnan V, Gray KM, Carpenter MJ, McClure EA, Tomko RL, Saladin ME, Baker NL, Ramakrishnan V, Gray KM, Carpenter MJ, McClure EA, Tomko RL, Saladin ME. Characterization of Salivary Progesterone in Female Smokers. Nicotine Tob Res. 2022 10 26; 24(11):1829-1833. PMID: 35533342; PMCID: PMC9596998.
      Citations: 1     Fields:    Translation:Humans
    5. Schranz C, Vatinno A, Ramakrishnan V, Seo NJ. Neuroplasticity after upper-extremity rehabilitation therapy with sensory stimulation in chronic stroke survivors. Brain Commun. 2022; 4(4):fcac191. PMID: 35938072; PMCID: PMC9351980.
      Citations: 3     
    6. Gilmore AK, Leone RM, Oesterle DW, Davis KC, Orchowski LM, Ramakrishnan V, Kaysen D, Gilmore AK, Leone RM, Oesterle DW, Davis KC, Orchowski LM, Ramakrishnan V, Kaysen D. Web-Based Alcohol and Sexual Assault Prevention Program With Tailored Content Based on Gender and Sexual Orientation: Preliminary Outcomes and Usability Study of Positive Change (+Change). JMIR Form Res. 2022 Jul 22; 6(7):e23823. PMID: 35867393; PMCID: PMC9356330.
      Citations: 2     
    7. Schlosser RJ, Dubno JR, Eckert MA, Benitez AM, Gregoski M, Ramakrishnan V, Matthews L, Soler ZM, Schlosser RJ, Dubno JR, Eckert MA, Benitez AM, Gregoski M, Ramakrishnan V, Matthews L, Soler ZM. Unsupervised Clustering of Olfactory Phenotypes. Am J Rhinol Allergy. 2022 Nov; 36(6):796-803. PMID: 35837713; PMCID: PMC10031609.
      Citations:    Fields:    Translation:Humans
    8. Blaschke J, Vatinno A, Scronce G, Ramakrishnan V, Seo NJ. Effect of Sensory Impairment on Hand Functional Improvement with Therapy and Sensory Stimulation. Neurol Neurorehabilit. 2022; 4(3):1-4. PMID: 36780248; PMCID: PMC9918228.
      Citations: 1     
    9. Orr RK, Hoehn JL, Col NF, Baker NL, Neelon B, Ramakrishnan V, Brady KT, Gray KM, Saladin ME, Back SE, Flanagan JC, Guille C, McRae-Clark AL. Sex and drug differences in stress, craving and cortisol response to the trier social stress task. Psychopharmacology (Berl). 2022 Sep; 239(9):2819-2827. PMID: 35589850.
      Citations:    Fields:    Translation:Humans
    10. Nelson SP, Ramakrishnan V, Nietert P, Kamen D, Ramos P, Wolf B, Nelson SP, Ramakrishnan V, Nietert P, Kamen D, Ramos P, Wolf B. A comparison of joint dichotomization and single dichotomization of interacting variables to discriminate a disease outcome. Int J Biostat. 2022 Nov 01; 18(2):613-625. PMID: 35536987.
      Citations:    Fields:    Translation:Humans
    11. Seo NJ, Kamper DG, Ramakrishnan V, Harvey JB, Finetto C, Schranz C, Scronce G, Coupland K, Howard K, Blaschke J, Baker A, Meinzer C, Velozo CA, Adams RJ, Seo NJ, Kamper DG, Ramakrishnan V, Harvey JB, Finetto C, Schranz C, Scronce G, Coupland K, Howard K, Blaschke J, Baker A, Meinzer C, Velozo CA, Adams RJ. Effect of novel training to normalize altered finger force direction post-stroke: study protocol for a double-blind randomized controlled trial. Trials. 2022 Apr 12; 23(1):301. PMID: 35413931; PMCID: PMC9003156.
      Citations:    Fields:    Translation:HumansCTClinical Trials
    12. Seo NJ, Ramakrishnan V, Woodbury ML, Bonilha L, Finetto C, Schranz C, Scronce G, Coupland K, Blaschke J, Baker A, Howard K, Meinzer C, Velozo CA, Adams RJ, Seo NJ, Ramakrishnan V, Woodbury ML, Bonilha L, Finetto C, Schranz C, Scronce G, Coupland K, Blaschke J, Baker A, Howard K, Meinzer C, Velozo CA, Adams RJ. Concomitant sensory stimulation during therapy to enhance hand functional recovery post stroke. Trials. 2022 Apr 05; 23(1):262. PMID: 35382902; PMCID: PMC8981199.
      Citations: 3     Fields:    Translation:Humans
    13. Vatinno AA, Simpson A, Ramakrishnan V, Bonilha HS, Bonilha L, Seo NJ, Vatinno AA, Simpson A, Ramakrishnan V, Bonilha HS, Bonilha L, Seo NJ. The Prognostic Utility of Electroencephalography in Stroke Recovery: A Systematic Review and Meta-Analysis. Neurorehabil Neural Repair. 2022 04; 36(4-5):255-268. PMID: 35311412; PMCID: PMC9007868.
      Citations:    
    14. Vatinno AA, Schranz C, Simpson AN, Ramakrishnan V, Bonilha L, Seo NJ, Vatinno AA, Schranz C, Simpson AN, Ramakrishnan V, Bonilha L, Seo NJ. Predicting upper extremity motor improvement following therapy using EEG-based connectivity in chronic stroke. NeuroRehabilitation. 2022; 50(1):105-113. PMID: 34776421; PMCID: PMC8821328.
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    15. Lench DH, Keith K, Wilson S, Padgett L, Benitez A, Ramakrishnan V, Jensen JH, Bonilha L, Revuelta GJ, Lench DH, Keith K, Wilson S, Padgett L, Benitez A, Ramakrishnan V, Jensen JH, Bonilha L, Revuelta GJ. Neurodegeneration of the Globus Pallidus Internus as a Neural Correlate to Dopa-Response in Freezing of Gait. J Parkinsons Dis. 2022; 12(4):1241-1250. PMID: 35367969.
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    16. Matuskowitz AJ, Obeid JS, Jennings L, Bayer RR, Ramakrishnan V, Schoepf UJ, Jauch EC, Matuskowitz AJ, Obeid JS, Jennings L, Bayer RR, Ramakrishnan V, Schoepf UJ, Jauch EC. Feasibility and Impact of the Combined Application of Coronary CT Angiography With the HEART Pathway in Patients With Suspected Acute Coronary Syndrome. Crit Pathw Cardiol. 2021 12 01; 20(4):185-191. PMID: 33660627; PMCID: PMC8408286.
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    17. Lauzon SD, Zhao W, Nietert PJ, Ciolino JD, Hill MD, Ramakrishnan V, Lauzon SD, Zhao W, Nietert PJ, Ciolino JD, Hill MD, Ramakrishnan V. Impact of minimal sufficient balance, minimization, and stratified permuted blocks on bias and power in the estimation of treatment effect in sequential clinical trials with a binary endpoint. Stat Methods Med Res. 2022 01; 31(1):184-204. PMID: 34841963; PMCID: PMC9026574.
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    18. White AA, Smalls BL, Ba A, Faith TD, Ramakrishnan V, Johnson H, Rose J, Dismuke-Greer CL, Oates JC, Egede LE, Williams EM, White AA, Smalls BL, Ba A, Faith TD, Ramakrishnan V, Johnson H, Rose J, Dismuke-Greer CL, Oates JC, Egede LE, Williams EM. The Effect of Travel Burden on Depression and Anxiety in African American Women Living with Systemic Lupus. Healthcare (Basel). 2021 Nov 05; 9(11). PMID: 34828553; PMCID: PMC8621308.
      Citations:    
    19. Guille C, King C, Ramakrishnan V, Baker N, Cortese B, Nunn L, Rogers T, McRae-Clark A, Brady K, Guille C, King C, Ramakrishnan V, Baker N, Cortese B, Nunn L, Rogers T, McRae-Clark A, Brady K. The impact of lofexidine on stress-related opioid craving and relapse: Design and methodology of a randomized clinical trial. Contemp Clin Trials. 2021 12; 111:106616. PMID: 34737091; PMCID: PMC8761253.
      Citations:    
    20. Gehle DB, Chapman A, Gregoski M, Brunswick M, Anderson E, Ramakrishnan V, Muhammad LN, Head W, Lesher AP, Ryan RM, Gehle DB, Chapman A, Gregoski M, Brunswick M, Anderson E, Ramakrishnan V, Muhammad LN, Head W, Lesher AP, Ryan RM. A predictive model for preterm babies born? PMID: 34628479; PMCID: PMC8501923.
      Citations:    
    21. White A, Faith TD, Ba A, Loftley A, Ramakrishnan V, Johnson H, Rose J, Dismuke-Greer CL, Oates JC, Egede LE, Williams EM, White A, Faith TD, Ba A, Loftley A, Ramakrishnan V, Johnson H, Rose J, Dismuke-Greer CL, Oates JC, Egede LE, Williams EM. Support Methodologies for African American Women With Lupus - Comparing Three Methods' Effects on Patient Activation and Coping. Front Psychol. 2021; 12:734390. PMID: 34675844; PMCID: PMC8523887.
      Citations:    
    22. Vatinno AA, Hall L, Cox H, Fluharty A, Taylor C, Wease A, Davis A, Cain S, Ramakrishnan V, Woodbury M, Seo NJ, Vatinno AA, Hall L, Cox H, Fluharty A, Taylor C, Wease A, Davis A, Cain S, Ramakrishnan V, Woodbury M, Seo NJ. Using Subthreshold Vibratory Stimulation During Poststroke Rehabilitation Therapy: A Case Series. OTJR (Thorofare N J). 2022 01; 42(1):30-39. PMID: 34496711; PMCID: PMC8720500.
      Citations:    
    23. White AA, Ba A, Faith TD, Ramakrishnan V, Dismuke-Greer CL, Oates JC, Williams EM, White AA, Ba A, Faith TD, Ramakrishnan V, Dismuke-Greer CL, Oates JC, Williams EM. The Care-coordination Approach to Learning Lupus Self-Management: a patient navigator intervention for systemic lupus inpatients. Lupus Sci Med. 2021 05; 8(1). PMID: 33975925; PMCID: PMC8118035.
      Citations:    
    24. Karimianpour A, Heizer J, Leaphart D, Rier JD, Shaji S, Ramakrishnan V, Nielsen CD, Fernandes VL, Gold MR, Karimianpour A, Heizer J, Leaphart D, Rier JD, Shaji S, Ramakrishnan V, Nielsen CD, Fernandes VL, Gold MR. Predicting complete heart block after alcohol septal ablation for hypertrophic cardiomyopathy using a risk stratification model and clinical tool. Catheter Cardiovasc Interv. 2021 08 01; 98(2):393-400. PMID: 33491861.
      Citations:    
    25. Badertscher P, Gregg D, Baicu CF, Ramakrishnan V, Spinale FG, Zile MR, Gold MR, Badertscher P, Gregg D, Baicu CF, Ramakrishnan V, Spinale FG, Zile MR, Gold MR. Racial difference in atrial size and extracellular matrix homeostatic response to hypertension: Is this a potential mechanism of reduced atrial fibrillation in African Americans? Heart Rhythm O2. 2021 Feb; 2(1):37-45. PMID: 34113903; PMCID: PMC8183868.
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    26. Rahaghi FF, Monk R, Ramakrishnan V, Beiko T, Strange C, Rahaghi FF, Monk R, Ramakrishnan V, Beiko T, Strange C. Alpha-1 Antitrypsin Augmentation Therapy Improves Survival in Severely Deficient Patients with Predicted FEV1 Between 10% and 60%: A Retrospective Analysis of the NHLBI Alpha-1 Antitrypsin Deficiency Registry. Int J Chron Obstruct Pulmon Dis. 2020; 15:3193-3199. PMID: 33299307; PMCID: PMC7721109.
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    27. Baker NL, Gray KM, Ramakrishnan V, Tomko RL, McClure EA, Carpenter MJ, Saladin ME, Baker NL, Gray KM, Ramakrishnan V, Tomko RL, McClure EA, Carpenter MJ, Saladin ME. Increases in endogenous progesterone attenuate smoking in a cohort of nontreatment seeking women: An exploratory prospective study. Addict Biol. 2021 03; 26(2):e12918. PMID: 32476209; PMCID: PMC7704566.
      Citations:    
    28. Lauzon SD, Ramakrishnan V, Nietert PJ, Ciolino JD, Hill MD, Zhao W, Lauzon SD, Ramakrishnan V, Nietert PJ, Ciolino JD, Hill MD, Zhao W. Statistical properties of minimal sufficient balance and minimization as methods for controlling baseline covariate imbalance at the design stage of sequential clinical trials. Stat Med. 2020 08 30; 39(19):2506-2517. PMID: 32363614; PMCID: PMC7462097.
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    29. Liu S, Zheng H, Yu W, Ramakrishnan V, Shah S, Gonzalez LF, Singh I, Graffagnino C, Feng W, Liu S, Zheng H, Yu W, Ramakrishnan V, Shah S, Gonzalez LF, Singh I, Graffagnino C, Feng W. Investigation of S-Nitrosoglutathione in stroke: A systematic review and meta-analysis of literature in pre-clinical and clinical research. Exp Neurol. 2020 06; 328:113262. PMID: 32119935.
      Citations:    
    30. Brown EA, Dismuke-Greer CE, Ramakrishnan V, Faith TD, Williams EM, Brown EA, Dismuke-Greer CE, Ramakrishnan V, Faith TD, Williams EM. Impact of the Affordable Care Act Medicaid Expansion on Access to Care and Hospitalization Charges for Lupus Patients. Arthritis Care Res (Hoboken). 2020 Feb; 72(2):208-215. PMID: 31562794; PMCID: PMC6992496.
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    31. Tomko RL, Saladin ME, Baker NL, McClure EA, Carpenter MJ, Ramakrishnan VR, Heckman BW, Wray JM, Foster KT, Tiffany ST, Metts CL, Gray KM, 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. 2020 01 27; 22(1):81-88. PMID: 30371887; PMCID: PMC7297015.
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    32. Oates JC, Ramakrishnan V, Nietert PJ, Spence JD, Fleury TW, Markiewicz M, Russell DL, Lopes-Virella MF, Oates JC, Ramakrishnan V, Nietert PJ, Spence JD, Fleury TW, Markiewicz M, Russell DL, Lopes-Virella MF. ASSOCIATIONS BETWEEN ACCELERATED ATHEROSCLEROSIS, OXIDIZED LDL IMMUNE COMPLEXES, AND IN VITRO ENDOTHELIAL DYSFUNCTION IN SYSTEMIC LUPUS ERYTHEMATOSUS. Trans Am Clin Climatol Assoc. 2020; 131:157-177. PMID: 32675856; PMCID: PMC7358516.
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    33. McClure EA, Baker NL, Gray KM, Hood CO, Tomko RL, Carpenter MJ, Ramakrishnan VR, Buchanan CJ, Saladin ME, McClure EA, Baker NL, Gray KM, Hood CO, Tomko RL, Carpenter MJ, Ramakrishnan VR, Buchanan CJ, Saladin ME. The influence of gender and oxytocin on stress reactivity, cigarette craving, and smoking in a randomized, placebo-controlled laboratory relapse paradigm. Psychopharmacology (Berl). 2020 Feb; 237(2):543-555. PMID: 31792646; PMCID: PMC7024045.
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    34. Seo NJ, Enders LR, Fortune A, Cain S, Vatinno AA, Schuster E, Ramakrishnan V, Feng W, Seo NJ, Enders LR, Fortune A, Cain S, Vatinno AA, Schuster E, Ramakrishnan V, Feng W. Phase I Safety Trial: Extended Daily Peripheral Sensory Stimulation Using a Wrist-Worn Vibrator in Stroke Survivors. Transl Stroke Res. 2020 04; 11(2):204-213. PMID: 31444692; PMCID: PMC7035973.
      Citations:    
    35. Williams EM, Egede L, Oates JC, Dismuke CL, Ramakrishnan V, Faith TD, Johnson H, Rose J, Williams EM, Egede L, Oates JC, Dismuke CL, Ramakrishnan V, Faith TD, Johnson H, Rose J. Peer approaches to self-management (PALS): comparing a peer mentoring approach for disease self-management in African American women with lupus with a social support control: study protocol for a randomized controlled trial. Trials. 2019 Aug 23; 20(1):529. PMID: 31443732; PMCID: PMC6708151.
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    36. Seo NJ, Crocher V, Spaho E, Ewert CR, Fathi MF, Hur P, Lum SA, Humanitzki EM, Kelly AL, Ramakrishnan V, Woodbury ML, Seo NJ, Crocher V, Spaho E, Ewert CR, Fathi MF, Hur P, Lum SA, Humanitzki EM, Kelly AL, Ramakrishnan V, Woodbury ML. Capturing Upper Limb Gross Motor Categories Using the Kinect? Sensor. Am J Occup Ther. 2019 Jul/Aug; 73(4):7304205090p1-7304205090p10. PMID: 31318673; PMCID: PMC6638702.
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    37. Seo NJ, Woodbury ML, Bonilha L, Ramakrishnan V, Kautz SA, Downey RJ, Dellenbach BHS, Lauer AW, Roark CM, Landers LE, Phillips SK, Vatinno AA, 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 03 01; 99(3):319-328. PMID: 30690609; PMCID: PMC6383710.
      Citations:    
    38. Yu Z, Ramakrishnan V, Meinzer C, 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; PMCID: PMC7751063.
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    39. Seo NJ, Lakshminarayanan K, Lauer AW, Ramakrishnan V, Schmit BD, Hanlon CA, George MS, Bonilha L, Downey RJ, DeVries W, Nagy T, 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; PMCID: PMC6613561.
      Citations:    
    40. Pliner EM, Seo NJ, Ramakrishnan V, Beschorner KE, 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; PMCID: PMC6380680.
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    41. Wolf BJ, Ramos PS, Hyer JM, Ramakrishnan V, Gilkeson GS, Hardiman G, Nietert PJ, Kamen DL, 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; PMCID: PMC6211136.
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    42. Gower L, Jenkins D, Fraser JL, Ramakrishnan V, Coker-Bolt P, 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 02; 39(2):184-192. PMID: 30301940; PMCID: PMC6349683.
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    43. Wahlquist AE, Muhammad LN, Herbert TL, Ramakrishnan V, Nietert PJ, 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; PMCID: PMC6070251.
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    44. Cassarly C, Martin RH, Chimowitz M, Peña EA, Ramakrishnan V, Palesch YY, Cassarly C, Martin RH, Chimowitz M, Pe?a 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; PMCID: PMC6326882.
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    45. Payne EH, Gebregziabher M, Hardin JW, Ramakrishnan V, Egede LE, 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; PMCID: PMC6290908.
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    46. Taylor SN, Wahlquist A, Wagner CL, Ramakrishnan V, Ebeling M, Hollis BW, 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; PMCID: PMC6382072.
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    47. 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, 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 04 25; 38(17):4212-4229. PMID: 29636392; PMCID: PMC5963852.
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    48. Spainhour JCG, Janech MG, Ramakrishnan V, Spainhour JCG, Janech MG, Ramakrishnan V. A study of the properties of Gaussian mixture model for stable isotope standard quantification in MALDI-TOF MS. Commun Stat Simul Comput. 2019; 48(6):1637-1650. PMID: 31564765; PMCID: PMC6764515.
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    49. Cassarly C, Martin RH, Chimowitz M, Peña EA, Ramakrishnan V, Palesch YY, Cassarly C, Martin RH, Chimowitz M, Pe?a 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; PMCID: PMC5658159.
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    50. Prince Nelson SL, Ramakrishnan V, Nietert PJ, Kamen DL, Ramos PS, Wolf BJ, 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; PMCID: PMC6020169.
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    51. 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, 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; PMCID: PMC5802595.
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    52. Cassarly C, Martin RH, Chimowitz M, Peña EA, Ramakrishnan V, Palesch YY, Cassarly C, Martin RH, Chimowitz M, Pe?a 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; PMCID: PMC5722228.
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    53. Zhao W, Ramakrishnan V, 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; PMCID: PMC4747061.
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    54. Soler ZM, Hyer JM, Rudmik L, Ramakrishnan V, Smith TL, Schlosser RJ, 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; PMCID: PMC4826845.
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    55. Motawar B, Stinear JW, Lauer AW, Ramakrishnan V, Seo NJ, 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; PMCID: PMC4786465.
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    56. Chhatbar PY, Ramakrishnan V, Kautz S, George MS, Adams RJ, Feng W, 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; PMCID: PMC4724265.
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    57. Lakshminarayanan K, Lauer AW, Ramakrishnan V, Webster JG, Seo NJ, 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; PMCID: PMC4552540.
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    58. Payne EH, Hardin JW, Egede LE, Ramakrishnan V, Selassie A, Gebregziabher M, 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.
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    59. Saladin ME, McClure EA, Baker NL, Carpenter MJ, Ramakrishnan V, Hartwell KJ, Gray KM, 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; PMCID: PMC4432400.
      Citations:    
    60. Soler ZM, Hyer JM, Ramakrishnan V, Smith TL, Mace J, Rudmik L, Schlosser RJ, 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; PMCID: PMC4428937.
      Citations:    
    61. Bentzley JP, Coker-Bolt P, Moreau NG, Hope K, Ramakrishnan V, Brown T, Mulvihill D, Jenkins D, 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; PMCID: PMC4324091.
      Citations:    
    62. Spainhour JC, Janech MG, Schwacke JH, Velez JC, Ramakrishnan V, 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; PMCID: PMC4221630.
      Citations:    
    63. Moran-Santa Maria MM, Baker NL, Ramakrishnan V, Brady KT, McRae-Clark A, 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; PMCID: PMC4336229.
      Citations:    
    64. Moran-Santa Maria MM, McRae-Clark A, Baker NL, Ramakrishnan V, Brady KT, 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; PMCID: PMC4190106.
      Citations:    
    65. 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, 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 ? protein. PLoS One. 2014; 9(3):e91531. PMID: 24658363; PMCID: PMC3962361.
      Citations:    
    66. Orr RK, Hoehn JL, Col NF, 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.
      Citations:    
    67. Argula RG, Strange C, Ramakrishnan V, Goldin J, 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.
      Citations:    
    68. Desantis SM, Lazaridis C, Palesch Y, Ramakrishnan V, 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; PMCID: PMC5042689.
      Citations:    
    69. Garofolo KM, Yeatts SD, Ramakrishnan V, Jauch EC, Johnston KC, Durkalski VL, 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; PMCID: PMC3821551.
      Citations:    
    70. 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, 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; PMCID: PMC3618599.
      Citations:    
    71. Lyckholm L, Heddinger SP, Parker G, Coyne PJ, Ramakrishnan V, Smith TJ, Henkin RI, Lyckholm L, Heddinger SP, Parker G, Coyne PJ, Ramakrishnan V, Smith TJ, Henkin RI. A randomized, placebo controlled trial of oral zinc for chemotherapy-related taste and smell disorders. J Pain Palliat Care Pharmacother. 2012 Jun; 26(2):111-4. PMID: 22764846; PMCID: PMC4042409.
      Citations:    
    72. Ramakrishnan V, Thacker LR, 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; PMCID: PMC3884831.
      Citations:    
    73. McKinney DL, Gogova M, Davies BD, Ramakrishnan V, Fisher K, Carter WH, Karnes HT, Garnett WR, Iyer SS, Somani AA, Kobal G, Barr WH, 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.
      Citations:    
    74. DeLorenzo RJ, Kirmani B, Deshpande LS, Jakkampudi V, Towne AR, Waterhouse E, Garnett L, Ramakrishnan V, 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; PMCID: PMC2850102.
      Citations:    
    75. Baker J, Jatlow P, Pade P, Ramakrishnan V, McCance-Katz EF, 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.
      Citations:    
    76. Myers SI, Myers DJ, Ahmend A, Ramakrishnan V, 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.
      Citations:    
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