Constantin T Yiannoutsos

Summary

Affiliation: Indiana University
Country: USA

Publications

  1. pmc Sampling-based approaches to improve estimation of mortality among patient dropouts: experience from a large PEPFAR-funded program in Western Kenya
    Constantin T Yiannoutsos
    Indiana University Division of Biostatistics, Indianapolis, IN, USA
    PLoS ONE 3:e3843. 2008
  2. pmc Cerebrospinal fluid neopterin decay characteristics after initiation of antiretroviral therapy
    Aylin Yilmaz
    Department of Infectious Diseases, University of Gothenburg, Journalvagen 10, Gothenburg, 416 50, Sweden
    J Neuroinflammation 10:62. 2013
  3. pmc Estimated mortality of adult HIV-infected patients starting treatment with combination antiretroviral therapy
    CONSTANTIN THEODORE YIANNOUTSOS
    Department of Biostatistics, Indiana University School of Medicine, 410 West 10th Street, Suite 3000, Indianapolis, IN 46202, USA
    Sex Transm Infect 88:i33-43. 2012
  4. pmc Trends in the clinical characteristics of HIV-infected patients initiating antiretroviral therapy in Kenya, Uganda and Tanzania between 2002 and 2009
    Elvin H Geng
    Department of Medicine, San Francisco General Hospital, University of California at San Francisco, 995 Potrero Avenue, San Francisco, CA, USA
    J Int AIDS Soc 14:46. 2011
  5. pmc Alternative antiretroviral monitoring strategies for HIV-infected patients in east Africa: opportunities to save more lives?
    R Scott Braithwaite
    Section on Value and Comparative Effectiveness, Department of Medicine, New York University School of Medicine, USA
    J Int AIDS Soc 14:38. 2011
  6. pmc Assessing multiple-group diagnostic problems with multi-dimensional receiver operating characteristic surfaces: application to proton MR Spectroscopy (MRS) in HIV-related neurological injury
    Constantin T Yiannoutsos
    Indiana University School of Medicine, 410 West 10th Street, Indianapolis, IN 46202, USA
    Neuroimage 40:248-55. 2008
  7. pmc Modeling AIDS survival after initiation of antiretroviral treatment by Weibull models with changepoints
    Constantin T Yiannoutsos
    Division of Biostatistics, Indiana University School of Medicine, 401 W, 10th Street, Suite 3000, Indianapolis, USA
    J Int AIDS Soc 12:9. 2009
  8. ncbi request reprint Regional patterns of brain metabolites in AIDS dementia complex
    Constantin T Yiannoutsos
    Division of Biostatistics, Indiana University School of Medicine, 1050 Wishard Boulevard, RG 4101, Indianapolis, IN 46202, USA
    Neuroimage 23:928-35. 2004
  9. doi request reprint The impact of the President's Emergency Plan for AIDS Relief on expansion of HIV care services for adult patients in western Kenya
    Kara Wools-Kaloustian
    Division of Infectious Diseases, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202 5124, USA
    AIDS 23:195-201. 2009
  10. doi request reprint Survival after resection for invasive intraductal papillary mucinous neoplasm and for pancreatic adenocarcinoma: a multi-institutional comparison according to American Joint Committee on Cancer Stage
    Joshua A Waters
    Department of Surgery, Indiana University, Indianapolis, IN 46202, USA
    J Am Coll Surg 213:275-83. 2011

Detail Information

Publications34

  1. pmc Sampling-based approaches to improve estimation of mortality among patient dropouts: experience from a large PEPFAR-funded program in Western Kenya
    Constantin T Yiannoutsos
    Indiana University Division of Biostatistics, Indianapolis, IN, USA
    PLoS ONE 3:e3843. 2008
    ..Sampling-based approaches and statistical adjustment are the only scaleable methods permitting accurate estimation of M&E indices...
  2. pmc Cerebrospinal fluid neopterin decay characteristics after initiation of antiretroviral therapy
    Aylin Yilmaz
    Department of Infectious Diseases, University of Gothenburg, Journalvagen 10, Gothenburg, 416 50, Sweden
    J Neuroinflammation 10:62. 2013
    ..We studied decay characteristics of neopterin in CSF and blood after commencement of ART in HIV-infected subjects and estimated the set-point levels of CSF neopterin after ART-mediated viral suppression...
  3. pmc Estimated mortality of adult HIV-infected patients starting treatment with combination antiretroviral therapy
    CONSTANTIN THEODORE YIANNOUTSOS
    Department of Biostatistics, Indiana University School of Medicine, 410 West 10th Street, Suite 3000, Indianapolis, IN 46202, USA
    Sex Transm Infect 88:i33-43. 2012
    ..To provide estimates of mortality among HIV-infected patients starting combination antiretroviral therapy...
  4. pmc Trends in the clinical characteristics of HIV-infected patients initiating antiretroviral therapy in Kenya, Uganda and Tanzania between 2002 and 2009
    Elvin H Geng
    Department of Medicine, San Francisco General Hospital, University of California at San Francisco, 995 Potrero Avenue, San Francisco, CA, USA
    J Int AIDS Soc 14:46. 2011
    ..Regionally representative socio-demographic, laboratory and clinical characteristics of patients accessing ART over time and across sites have not been well described...
  5. pmc Alternative antiretroviral monitoring strategies for HIV-infected patients in east Africa: opportunities to save more lives?
    R Scott Braithwaite
    Section on Value and Comparative Effectiveness, Department of Medicine, New York University School of Medicine, USA
    J Int AIDS Soc 14:38. 2011
    ..We estimated the incremental benefit and cost effectiveness of alternative monitoring strategies for east Africans with known HIV infection...
  6. pmc Assessing multiple-group diagnostic problems with multi-dimensional receiver operating characteristic surfaces: application to proton MR Spectroscopy (MRS) in HIV-related neurological injury
    Constantin T Yiannoutsos
    Indiana University School of Medicine, 410 West 10th Street, Indianapolis, IN 46202, USA
    Neuroimage 40:248-55. 2008
    ..The three-dimensional ROC surface and its associated VUS are useful for assessing marker accuracy, detecting data trends and offering insight in disease processes affecting multiple groups...
  7. pmc Modeling AIDS survival after initiation of antiretroviral treatment by Weibull models with changepoints
    Constantin T Yiannoutsos
    Division of Biostatistics, Indiana University School of Medicine, 401 W, 10th Street, Suite 3000, Indianapolis, USA
    J Int AIDS Soc 12:9. 2009
    ..abstract:..
  8. ncbi request reprint Regional patterns of brain metabolites in AIDS dementia complex
    Constantin T Yiannoutsos
    Division of Biostatistics, Indiana University School of Medicine, 1050 Wishard Boulevard, RG 4101, Indianapolis, IN 46202, USA
    Neuroimage 23:928-35. 2004
    ..We conclude that by using factor analysis, we are able to combine multiple metabolites across brain regions in a biologically plausible manner and construct a predictive model of ADC adjusting for relevant factors such as age...
  9. doi request reprint The impact of the President's Emergency Plan for AIDS Relief on expansion of HIV care services for adult patients in western Kenya
    Kara Wools-Kaloustian
    Division of Infectious Diseases, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202 5124, USA
    AIDS 23:195-201. 2009
    ..The President's Emergency Plan for AIDS Relief committed $15 billion to addressing HIV in resource-poor settings...
  10. doi request reprint Survival after resection for invasive intraductal papillary mucinous neoplasm and for pancreatic adenocarcinoma: a multi-institutional comparison according to American Joint Committee on Cancer Stage
    Joshua A Waters
    Department of Surgery, Indiana University, Indianapolis, IN 46202, USA
    J Am Coll Surg 213:275-83. 2011
    ..This difference may be explained by earlier presentation of inv-IPMN. We hypothesized that inv-IPMN has survival comparable with PDAC after resection when matched by stage...
  11. pmc A pilot trial of serial 18F-fluorodeoxyglucose positron emission tomography in patients with medically inoperable stage I non-small-cell lung cancer treated with hypofractionated stereotactic body radiotherapy
    Mark A Henderson
    Department of Radiation Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    Int J Radiat Oncol Biol Phys 76:789-95. 2010
    ..This report describes PET correlates prospectively collected after stereotactic body radiotherapy (SBRT) for patients with medically inoperable NSCLC...
  12. ncbi request reprint Viability and effectiveness of large-scale HIV treatment initiatives in sub-Saharan Africa: experience from western Kenya
    Kara Wools-Kaloustian
    Division of Infectious Diseases, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    AIDS 20:41-8. 2006
    ..To determine the clinical and immunological outcomes of a cohort of HIV-infected patients receiving antiretroviral therapy...
  13. pmc Invasive intraductal papillary mucinous neoplasm: predictors of survival and role of adjuvant therapy
    Olivier Turrini
    Department of Surgery, Indiana University, Indianapolis, IN, USA
    HPB (Oxford) 12:447-55. 2010
    ..It is unclear whether adjuvant treatment for invasive IPMN improves survival. This study aimed to determine the impact of adjuvant treatment in invasive IPMN...
  14. ncbi request reprint The need for double-sampling designs in survival studies: an application to monitor PEPFAR
    Ming Wen An
    Department of Biostatistics, Johns Hopkins University, Baltimore, Maryland 21205, USA
    Biometrics 65:301-6. 2009
    ..Moreover, we show the need for appropriate analysis methods coupled with double-sampling designs...
  15. ncbi request reprint Ordered multiple-class ROC analysis with continuous measurements
    Christos T Nakas
    Division of Biostatistics, Indiana University School of Medicine, 1050 Wishard Boulevard, RG 4101, Indianapolis, IN 46202 2872, USA
    Stat Med 23:3437-49. 2004
    ..A three-group classification example in the context of HIV neurological disease is presented and the results are discussed...
  16. ncbi request reprint Modulation of in vitro proliferation kinetics and primitive hematopoietic potential of individual human CD34+CD38-/lo cells in G0
    Edward F Srour
    Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    Blood 105:3109-16. 2005
    ..These data suggest that although exit from quiescence and commitment to proliferation might be stochastic, kinetics of proliferation, and possibly fate of primitive HPCs, might be modulated by extrinsic factors...
  17. ncbi request reprint Preoperative predictors of malignancy in pancreatic intraductal papillary mucinous neoplasms
    Chad A Wiesenauer
    Department of Surgery, Indiana University School of Medicine, USA
    Arch Surg 138:610-7; discussion 617-8. 2003
    ..Malignant intraductal papillary mucinous neoplasms (IPMNs) can be predicted before surgery...
  18. ncbi request reprint Intraductal papillary mucinous neoplasms: predictors of malignant and invasive pathology
    C Max Schmidt
    Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    Ann Surg 246:644-51; discussion 651-4. 2007
    ..Determine whether size and other preoperative parameters predict malignant or invasive intraductal papillary mucinous neoplasia (IPMN)...
  19. ncbi request reprint Pancreaticoduodenectomy: a 20-year experience in 516 patients
    C Max Schmidt
    Department of Surgery, University Hospital, Indiana University School of Medicine, Indianapolis, USA
    Arch Surg 139:718-25; discussion 725-7. 2004
    ..Pancreaticoduodenectomy (PD) is a safe procedure for a variety of periampullary conditions...
  20. ncbi request reprint Intraperitoneal radioactive phosphorus (32P) and vaginal brachytherapy as adjuvant treatment for uterine papillary serous carcinoma and clear cell carcinoma: a phase II Hoosier Oncology Group (HOG 97-01) study
    Achilles J Fakiris
    Indiana University School of Medicine, 535 Barnhill Drive, RT 041 Indianapolis, IN 46202 5289, USA
    Gynecol Oncol 96:818-23. 2005
    ....
  21. ncbi request reprint Safety of discontinuation of maintenance therapy for disseminated histoplasmosis after immunologic response to antiretroviral therapy
    Mitchell Goldman
    Division of Infectious Diseases, Indiana University School of Medicine, Wishard Memorial Hospital, Indianapolis, Indiana 46202, USA
    Clin Infect Dis 38:1485-9. 2004
    ....
  22. pmc Pancreatic fistula following pancreaticoduodenectomy: clinical predictors and patient outcomes
    C Max Schmidt
    Department of Surgery, School of Medicine, Indiana University, Indianapolis, IN 46202, USA
    HPB Surg 2009:404520. 2009
    ..Outcomes in patients with PF are remarkable for a higher rate of septic complications, longer hospital stays, but in this study, no increased mortality...
  23. doi request reprint Stereotactic body radiation therapy for early-stage non-small-cell lung carcinoma: four-year results of a prospective phase II study
    Achilles J Fakiris
    Department of Radiation Oncology, Indiana University School of Medicine, 535 Barnhill Drive, Indianapolis, IN 46202, USA
    Int J Radiat Oncol Biol Phys 75:677-82. 2009
    ..The 50-month results of a prospective Phase II trial of stereotactic body radiation therapy (SBRT) in medically inoperable patients are reported...
  24. pmc Antiretroviral treatment effect on immune activation reduces cerebrospinal fluid HIV-1 infection
    Elizabeth Sinclair
    Department of Medicine, University of California at San Francisco, San Francisco, CA, USA
    J Acquir Immune Defic Syndr 47:544-52. 2008
    ..To define the effect of antiretroviral therapy (ART) on activation of T cells in cerebrospinal fluid (CSF) and blood, and interactions of this activation with CSF HIV-1 RNA concentrations...
  25. ncbi request reprint A multi-center 1H MRS study of the AIDS dementia complex: validation and preliminary analysis
    Patricia Lani Lee
    NMR Center, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02111, USA
    J Magn Reson Imaging 17:625-33. 2003
    ....
  26. ncbi request reprint Severity of HIV-associated neuropathy is associated with plasma HIV-1 RNA levels
    David M Simpson
    Department of Neurology, Mount Sinai School of Medicine, 1 Gustave L Levy Place, Box 1052, New York, NY 10029, USA
    AIDS 16:407-12. 2002
    ..To determine if there is an association between plasma HIV-1 RNA levels and severity of HIV-associated distal symmetrical polyneuropathy (DSP)...
  27. ncbi request reprint Outcomes of HIV-infected orphaned and non-orphaned children on antiretroviral therapy in western Kenya
    Winstone M Nyandiko
    Department of Child Health and Pediatrics, Moi University School of Medicine, PO Box 2582 30100, Eldoret, Kenya
    J Acquir Immune Defic Syndr 43:418-25. 2006
    ..Determine outcome differences between orphaned and non-orphaned children receiving antiretroviral therapy (ART)...
  28. ncbi request reprint Memantine and HIV-associated cognitive impairment: a neuropsychological and proton magnetic resonance spectroscopy study
    Giovanni Schifitto
    University of Rochester, Rochester, New York 14620, USA
    AIDS 21:1877-86. 2007
    ..To assess the safety and efficacy of memantine, an uncompetitive antagonist of the N-methyl-D-aspartate receptor as treatment of HIV-associated cognitive impairment...
  29. ncbi request reprint Proton MRS and neuropsychological correlates in AIDS dementia complex: evidence of subcortical specificity
    Robert H Paul
    Department of Behavioral Neuroscience, University of Missouri, St Louis, St Louis, MO 63121, USA
    J Neuropsychiatry Clin Neurosci 19:283-92. 2007
    ..Prospective studies are needed to elucidate the evolution of these changes in the setting of antiretroviral therapy...
  30. ncbi request reprint Innovative approaches to application of information technology in disease surveillance and prevention in Western Kenya
    Wilson Odero
    Moi University, School of Public Health, Eldoret, Kenya
    J Biomed Inform 40:390-7. 2007
    ....
  31. ncbi request reprint Clinical validation of the NeuroScreen
    Ronald J Ellis
    Department of Neurosciences, UCSD AntiViral Research Center and HIV Neurobehavioral Research Center, University of California, San Diego, California 92103, USA
    J Neurovirol 11:503-11. 2005
    ..However, because it yields substantial numbers of false positives and negatives, the NeuroScreen may be less useful in evaluating individual patients...
  32. ncbi request reprint Assessment of diagnostic markers by goodness-of-fit tests
    Christos Nakas
    Department of Mathematics, Statistics and OR Unit, Aristotle University, 54006 Thessaloniki, Greece
    Stat Med 22:2503-13. 2003
    ..The latter are a viable alternative and can be used as a 'black box' or as an exploratory first step in the evaluation of novel diagnostic markers...
  33. ncbi request reprint Association of the dopamine beta hydroxylase gene with attention deficit hyperactivity disorder: genetic analysis of the Milwaukee longitudinal study
    KAREN MULLER SMITH
    Genetics Program, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, Massachusetts, USA
    Am J Med Genet B Neuropsychiatr Genet 119:77-85. 2003
    ..These results indicate that the DBH TaqI A allele, or another polymorphism in linkage disequilibrium with this allele, may confer increased susceptibility towards ADHD...
  34. ncbi request reprint A placebo-controlled study of memantine for the treatment of human immunodeficiency virus-associated sensory neuropathy
    Giovanni Schifitto
    University of Rochester, Rochester, New York 14620, USA
    J Neurovirol 12:328-31. 2006
    ..Results were similar to those of other pilot studies of memantine for neuropathic pain unrelated to HIV, suggesting that memantine is ineffective for the symptomatic treatment of HIV-associated SDSP...