Christopher Callahan

Summary

Affiliation: Indiana University
Country: USA

Publications

  1. pmc Systematic review of non-pharmacologic interventions to delay functional decline in community-dwelling patients with dementia
    Anne N McLaren
    Indiana University School of Medicine, Indianapolis, IN, USA
    Aging Ment Health 17:655-66. 2013
  2. pmc Alzheimer's disease multiple intervention trial (ADMIT): study protocol for a randomized controlled clinical trial
    Christopher M Callahan
    Indiana University Center for Aging Research, 410 West 10th Street, Indianapolis, IN 46202 3012, USA
    Trials 13:92. 2012
  3. pmc Transitions in care for older adults with and without dementia
    Christopher M Callahan
    Indiana University Center for Aging Research, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
    J Am Geriatr Soc 60:813-20. 2012
  4. ncbi request reprint Successful aging and the humility of perspective
    Christopher M Callahan
    Regenstrief Institute, Indiana University Center for Aging Research, Roudebush Veterans Administration Medical Center, Indianapolis, IN 46202, USA
    Ann Intern Med 139:389-90. 2003
  5. ncbi request reprint Treatment of depression improves physical functioning in older adults
    Christopher M Callahan
    Indiana University Center for Aging Research, Indianapolis, Indiana, USA
    J Am Geriatr Soc 53:367-73. 2005
  6. ncbi request reprint Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial
    Christopher M Callahan
    Indiana University Center for Aging Research, Regenstrief Institute Inc, Indiana University School of Medicine, Indianapolis 46202, USA
    JAMA 295:2148-57. 2006
  7. doi request reprint Defining the domain of geriatric medicine in an urban public health system affiliated with an academic medical center
    Christopher M Callahan
    Department of Medicine, Center for Aging Research, School of Medicine, Indiana University, Indianapolis, Indiana 46202, USA
    J Am Geriatr Soc 56:1802-6. 2008
  8. pmc Integrating care for older adults with cognitive impairment
    Christopher M Callahan
    Indiana University Center for Aging Research, Indiana University School of Medicine, HITS Building Suite 2000, 410 West 10th Street, Indianapolis, IN 46202 3012, USA
    Curr Alzheimer Res 6:368-74. 2009
  9. pmc Implementing dementia care models in primary care settings: The Aging Brain Care Medical Home
    Christopher M Callahan
    Indiana University Center for Aging Research, Indianapolis, USA
    Aging Ment Health 15:5-12. 2011
  10. pmc Mild cognitive dysfunction: an epidemiological perspective with an emphasis on African Americans
    Frederick W Unverzagt
    Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    J Geriatr Psychiatry Neurol 20:215-26. 2007

Research Grants

  1. MODELING ALZHEIMER DISEASE COSTS AND TRANSITIONS
    Christopher M Callahan; Fiscal Year: 2010
  2. MODELING ALZHEIMER DISEASE COSTS AND TRANSITIONS
    Christopher Callahan; Fiscal Year: 2009
  3. Translation Research on Chronic Disease Self-Management
    Christopher Callahan; Fiscal Year: 2007
  4. Patient-Oriented Research to Improve Geriatric Care-K24
    Christopher Callahan; Fiscal Year: 2007
  5. A PROGRAM OF COLLABORATIVE CARE FOR ALZHEIMER DISEASE
    Christopher Callahan; Fiscal Year: 2004
  6. ENHANCING AGING RESEARCH POTENTIAL AT INDIANA UNIVERSITY
    Christopher Callahan; Fiscal Year: 2002
  7. Alzheimer's Disease Multiple Intervention Trial - ADMIT
    Christopher M Callahan; Fiscal Year: 2010

Detail Information

Publications48

  1. pmc Systematic review of non-pharmacologic interventions to delay functional decline in community-dwelling patients with dementia
    Anne N McLaren
    Indiana University School of Medicine, Indianapolis, IN, USA
    Aging Ment Health 17:655-66. 2013
    ..The goal of this systematic review was to determine if any non-pharmacologic interventions have delayed functional decline among community-dwelling dementia patients...
  2. pmc Alzheimer's disease multiple intervention trial (ADMIT): study protocol for a randomized controlled clinical trial
    Christopher M Callahan
    Indiana University Center for Aging Research, 410 West 10th Street, Indianapolis, IN 46202 3012, USA
    Trials 13:92. 2012
    ..However, these improvements in quality of life were not associated with delays in subjects' functional decline...
  3. pmc Transitions in care for older adults with and without dementia
    Christopher M Callahan
    Indiana University Center for Aging Research, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
    J Am Geriatr Soc 60:813-20. 2012
    ..To describe transitions in care of persons with dementia with attention to nursing facility transitions...
  4. ncbi request reprint Successful aging and the humility of perspective
    Christopher M Callahan
    Regenstrief Institute, Indiana University Center for Aging Research, Roudebush Veterans Administration Medical Center, Indianapolis, IN 46202, USA
    Ann Intern Med 139:389-90. 2003
  5. ncbi request reprint Treatment of depression improves physical functioning in older adults
    Christopher M Callahan
    Indiana University Center for Aging Research, Indianapolis, Indiana, USA
    J Am Geriatr Soc 53:367-73. 2005
    ..To determine the effect of collaborative care management for depression on physical functioning in older adults...
  6. ncbi request reprint Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial
    Christopher M Callahan
    Indiana University Center for Aging Research, Regenstrief Institute Inc, Indiana University School of Medicine, Indianapolis 46202, USA
    JAMA 295:2148-57. 2006
    ..Most older adults with dementia will be cared for by primary care physicians, but the primary care practice environment presents important challenges to providing quality care...
  7. doi request reprint Defining the domain of geriatric medicine in an urban public health system affiliated with an academic medical center
    Christopher M Callahan
    Department of Medicine, Center for Aging Research, School of Medicine, Indiana University, Indianapolis, Indiana 46202, USA
    J Am Geriatr Soc 56:1802-6. 2008
    ..There is a dynamic interplay between design features, reputation, and capacity that modulates volume, location, and type of patients seen by geriatrics...
  8. pmc Integrating care for older adults with cognitive impairment
    Christopher M Callahan
    Indiana University Center for Aging Research, Indiana University School of Medicine, HITS Building Suite 2000, 410 West 10th Street, Indianapolis, IN 46202 3012, USA
    Curr Alzheimer Res 6:368-74. 2009
    ..This requires investments in the design and testing of an improved infrastructure for care that matches our national investment in the search for cure...
  9. pmc Implementing dementia care models in primary care settings: The Aging Brain Care Medical Home
    Christopher M Callahan
    Indiana University Center for Aging Research, Indianapolis, USA
    Aging Ment Health 15:5-12. 2011
    ..The purpose of this article is to describe our experience in implementing a primary care-based dementia and depression care program focused on providing collaborative care for dementia and late-life depression...
  10. pmc Mild cognitive dysfunction: an epidemiological perspective with an emphasis on African Americans
    Frederick W Unverzagt
    Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    J Geriatr Psychiatry Neurol 20:215-26. 2007
    ..Factors contributing to this longitudinal variability in outcomes are reviewed, including the role of medical health factors. The review closes with suggestions for next steps in the epidemiological research of mild cognitive impairment...
  11. doi request reprint Screening and treatment for Alzheimer's disease: predicting population-level outcomes
    Nicolas M Furiak
    Medical Decision Modeling Inc, Indianapolis, IN, USA
    Alzheimers Dement 8:31-8. 2012
    ..The population-level impact of screening for preclinical AD and treating with a disease-modifying agent is important when evaluating new biomarkers and medications...
  12. ncbi request reprint Geriatric Resources for Assessment and Care of Elders (GRACE): a new model of primary care for low-income seniors
    Steven R Counsell
    Indiana University Center for Aging Research, Indianapolis, Indiana 46202, USA
    J Am Geriatr Soc 54:1136-41. 2006
    ..The effectiveness of the GRACE intervention is being evaluated in a randomized, controlled trial...
  13. ncbi request reprint Health services use by older adults in an urban public health system
    Kevin M Terrell
    Department of Emergency Medicine, Indiana University School of Medicine, Indianapolis, 46202, USA
    Am J Emerg Med 23:233-4. 2005
  14. doi request reprint House calls for seniors: building and sustaining a model of care for homebound seniors
    Robin A Beck
    Division of General Internal Medicine and Geriatrics, Department of Medicine, School of Medicine, Indiana University, 1001 West 10th Street, WOP M200, Indianapolis, IN 46202, USA
    J Am Geriatr Soc 57:1103-9. 2009
    ....
  15. ncbi request reprint Improving depression outcomes in older adults with comorbid medical illness
    Linda H Harpole
    Department of Medicine, Duke University Medical Center, Durham, NC 27709, USA
    Gen Hosp Psychiatry 27:4-12. 2005
    ..Depression is common in older adults and often coexists with multiple chronic diseases, which may complicate its diagnosis and treatment...
  16. ncbi request reprint Geriatric care management for low-income seniors: a randomized controlled trial
    Steven R Counsell
    Indiana University Center for Aging Research, Indiana University School of Medicine, Indianapolis, Indianapolis, IN 46202, USA
    JAMA 298:2623-33. 2007
    ..Low-income seniors frequently have multiple chronic medical conditions for which they often fail to receive the recommended standard of care...
  17. pmc Acute care utilization by dementia caregivers within urban primary care practices
    Cathy C Schubert
    Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
    J Gen Intern Med 23:1736-40. 2008
    ..However, many questions remain about the characteristics of AD patients and their caregivers that contribute to this stress and how it impacts caregivers' use of healthcare resources...
  18. pmc Cost analysis of the Geriatric Resources for Assessment and Care of Elders care management intervention
    Steven R Counsell
    Center for Aging Research, School of Medicine, Indiana University, Indianapolis, Indiana 46202, USA
    J Am Geriatr Soc 57:1420-6. 2009
    ..To provide, from the healthcare delivery system perspective, a cost analysis of the Geriatric Resources for Assessment and Care of Elders (GRACE) intervention, which is effective in improving quality of care and outcomes...
  19. ncbi request reprint Development and implementation of nonpharmacologic protocols for the management of patients with Alzheimer's disease and their families in a multiracial primary care setting
    Mary Guerriero Austrom
    Department of Psychiatry, Indiana University School of Medicine, 541 Clinical Dr, CL 590, Indianapolis, IN 46202, USA
    Gerontologist 44:548-53. 2004
    ....
  20. doi request reprint Errors in completion of referrals among older urban adults in ambulatory care
    Michael Weiner
    Indiana University Center for Aging Research, Regenstrief Institute, Incorporated 410 West 10th Street, Suite 2000, Indianapolis, Indiana 46202 3012, USA
    J Eval Clin Pract 16:76-81. 2010
    ..We determined the extent to which referral-based consultations were completed in a US medical institution. Factors associated with completion were identified...
  21. pmc Implementing a screening and diagnosis program for dementia in primary care
    Malaz Boustani
    Indiana University Center for Aging Research, Indianapolis, USA
    J Gen Intern Med 20:572-7. 2005
    ..Primary care physicians are positioned to provide early recognition and treatment of dementia. We evaluated the feasibility and utility of a comprehensive screening and diagnosis program for dementia in primary care...
  22. ncbi request reprint Who refuses the diagnostic assessment for dementia in primary care?
    Malaz Boustani
    Indiana University Center for Aging Research, Indianapolis, IN 46202 2872, USA
    Int J Geriatr Psychiatry 21:556-63. 2006
    ..The aim of this study was to identify the characteristics of patients who refuse a clinical diagnostic assessment for dementia after screening...
  23. ncbi request reprint Six-item screener to identify cognitive impairment among potential subjects for clinical research
    Christopher M Callahan
    Indiana University Center for Aging Research, Indianapolis 46202, USA
    Med Care 40:771-81. 2002
    ..To design a brief cognitive screener with acceptable sensitivity and specificity for identifying subjects with cognitive impairment...
  24. ncbi request reprint Low yield of thyroid-stimulating hormone testing in elderly patients with depression
    Shelagh A Fraser
    Regenstrief Institute and Indiana University, 1050 Wishard Boulevard, RG 6, Indianapolis, IN 46202, USA
    Gen Hosp Psychiatry 26:302-9. 2004
    ..37) or SCID score (P=.44). These findings should caution physicians against acceptance of borderline TSH values as the primary cause of a patient's clinical depression...
  25. ncbi request reprint Reliability and validity of a steadiness score
    Daniel O Clark
    Indiana University Center for Aging Research, Indianapolis, Indiana, USA
    J Am Geriatr Soc 53:1582-6. 2005
    ..To determine the internal consistency and construct and predictive validity of three survey questions regarding steadiness in a sample of community-dwelling lower-income older adults...
  26. pmc Selecting a change and evaluating its impact on the performance of a complex adaptive health care delivery system
    Malaz A Boustani
    Indiana University Center for Aging Research, Department of Medicine, Division of General Internal Medicineand Geriatrics, Indiana University Medical Group Primary Care, Indianapolis, IN, USA
    Clin Interv Aging 5:141-8. 2010
    ..We finally describe the implementation of a new program, the Aging Brain Care Medical Home as a case study of our proposed evaluation process...
  27. ncbi request reprint Physical symptoms as a predictor of health care use and mortality among older adults
    Michael C Sha
    Division of General Internal Medicine and Geriatrics, Indiana University School of Medicine, Indianapolis, USA
    Am J Med 118:301-6. 2005
    ..To describe the patterns of physical symptoms in older adults and to examine the validity of symptoms in predicting hospitalization and mortality...
  28. pmc The meaning and significance of self-management among socioeconomically vulnerable older adults
    Daniel O Clark
    Indiana University Center for Aging Research, Department of Medicine, Indiana University School of Medicine, 410 West 10th Street, HITS Building Suite 2000, Indianapolis, IN 46202 3012, USA
    J Gerontol B Psychol Sci Soc Sci 63:S312-9. 2008
    ..The aim of this study was to describe and contrast perceptions of self-management among socioeconomically vulnerable and nonvulnerable older adults...
  29. doi request reprint Computerized decision support to reduce potentially inappropriate prescribing to older emergency department patients: a randomized, controlled trial
    Kevin M Terrell
    Department of Emergency Medicine, Indiana University, Indianapolis, Indiana, USA
    J Am Geriatr Soc 57:1388-94. 2009
    ..To evaluate the effectiveness of computer-assisted decision support in reducing potentially inappropriate prescribing to older adults...
  30. pmc Measuring primary care patients' attitudes about dementia screening
    Malaz Boustani
    Indiana University Center for Aging Research, Indianapolis, IN, USA
    Int J Geriatr Psychiatry 23:812-20. 2008
    ..To develop a questionnaire that will capture patients' attitudes about dementia screening in primary care...
  31. ncbi request reprint Comorbidity profile of dementia patients in primary care: are they sicker?
    Cathy C Schubert
    Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
    J Am Geriatr Soc 54:104-9. 2006
    ..To compare the medical comorbidity of older patients with and without dementia in primary care...
  32. doi request reprint Patients' attitudes of dementia screening across the Atlantic
    Michael D Justiss
    Indiana University Center for Aging Research, Indianapolis, IN, USA
    Int J Geriatr Psychiatry 24:632-7. 2009
    ..Implementation of these strategies will depend on the presence of a viable community or primary care based dementia screening and diagnosis program and patient acceptance of such a program...
  33. ncbi request reprint Limitation of a single clinical data source for measuring physicians' performance on quality indicators
    Michael Weiner
    Indiana University Center for Aging Research, Indianapolis, 46202, USA
    J Am Geriatr Soc 54:1256-60. 2006
    ..To determine the extent to which relying on only one source of data leads to incomplete assessment of pneumococcal polysaccharide vaccine (PPV) or mammography...
  34. ncbi request reprint Improving medication use for older adults: an integrated research agenda
    Michael D Murray
    Purdue University School of Pharmacy, Regenstrief Institute, and Indiana University Center for Aging Research, Indianapolis, Indiana 46202, USA
    Ann Intern Med 139:425-9. 2003
    ..However, many major improvements in medication use among older adults will also depend on closing the gap between knowledge and practice and increasing the ability of older adults to manage their medications...
  35. ncbi request reprint The efficacy of pentoxifylline in the treatment of vascular dementia: a systematic review
    Michael C Sha
    Division of General Internal Medicine and Geriatrics, Indiana University School of Medicine, Indianapolis, USA
    Alzheimer Dis Assoc Disord 17:46-54. 2003
    ..However, few studies met the quality criteria for inclusion in this systematic review, and most of these studies were small and had methodologic limitations...
  36. ncbi request reprint Using information technology to improve the health care of older adults
    Michael Weiner
    Indiana University Center for Aging Research, Regenstrief Institute, Indiana University, Indianapolis 46202 2872, USA
    Ann Intern Med 139:430-6. 2003
    ..Information systems that improve communication among providers during these transitions have the potential to improve safety and reduce costs...
  37. doi request reprint Computerized decision support for medication dosing in renal insufficiency: a randomized, controlled trial
    Kevin M Terrell
    Indiana University Center for Aging Research, Indianapolis, IN, USA
    Ann Emerg Med 56:623-9. 2010
    ..The hypothesis for this research was that decision support in a computerized physician order entry system would reduce the rate of excessive medication dosing for patients with renal impairment...
  38. pmc Cardiovascular risk factors and incident Alzheimer disease: a systematic review of the literature
    Christianna Purnell
    Regenstrief Institute Inc, Indiana University School of Medicine, Indianapolis, IN, USA
    Alzheimer Dis Assoc Disord 23:1-10. 2009
    ..The purpose of this study was to conduct a systematic review of the literature of cardiovascular factors pertaining to incident Alzheimer disease (AD)...
  39. ncbi request reprint Collaborative care management of late-life depression in the primary care setting: a randomized controlled trial
    Jurgen Unutzer
    Center for Health Services Research, UCLA Neuropsychiatric Institute, 10920 Wilshire Blvd, Suite 300, Los Angeles, CA 90024, USA
    JAMA 288:2836-45. 2002
    ..Few depressed older adults receive effective treatment in primary care settings...
  40. ncbi request reprint Depression and Bipolar Support Alliance consensus statement on the unmet needs in diagnosis and treatment of mood disorders in late life
    Dennis S Charney
    National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
    Arch Gen Psychiatry 60:664-72. 2003
    ..To review progress made during the past decade in late-life mood disorders and to identify areas of unmet need in health care delivery and research...
  41. pmc Can primary care meet the biopsychosocial needs of older adults with dementia?
    Malaz Boustani
    J Gen Intern Med 22:1625-7. 2007
  42. ncbi request reprint Cost-effectiveness of improving primary care treatment of late-life depression
    Wayne J Katon
    Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, 1959 Pacific Street, Seattle, WA 98195, USA
    Arch Gen Psychiatry 62:1313-20. 2005
    ..Depression is a leading cause of functional impairment in elderly individuals and is associated with high medical costs, but there are large gaps in quality of treatment in primary care...
  43. ncbi request reprint Measuring and communicating the value of geriatrics
    Christopher M Callahan
    J Am Geriatr Soc 50:1741-3. 2002
  44. ncbi request reprint Depression treatment in a sample of 1,801 depressed older adults in primary care
    Jurgen Unutzer
    Center for Health Services Research, UCLA Neuropsychiatric Institute, Los Angeles, California 90024, USA
    J Am Geriatr Soc 51:505-14. 2003
    ..To examine rates and predictors of lifetime and recent depression treatment in a sample of 1,801 depressed older primary care patients..
  45. pmc Depression in primary care: encouragement and caution for the business case
    Christopher M Callahan
    J Gen Intern Med 21:1125-7. 2006
  46. ncbi request reprint Monitoring depression treatment outcomes with the patient health questionnaire-9
    Bernd Löwe
    Department of General Internal and Psychosomatic Medicine, Heidelberg University Medical Center, D 69120 Heidelberg, Germany
    Med Care 42:1194-201. 2004
    ..We investigated responsiveness to treatment, reproducibility, and minimal clinically important difference of the Patient Health Questionnaire-9 (PHQ-9), a standard instrument for diagnosing depression in primary care...
  47. pmc Death and primary care
    Christopher M Callahan
    J Gen Intern Med 19:1066-7. 2004
  48. ncbi request reprint General internal medicine and geriatrics: building a foundation to improve the training of general internists in the care of older adults
    C Seth Landefeld
    University of California, San Francisco, and San Francisco Veterans Affairs Medical Center, San Francisco, California 94121, USA
    Ann Intern Med 139:609-14. 2003
    ..The barriers and strategies identified in this supplement may also inform efforts to enhance the skills of practicing physicians and improve training and faculty development in family medicine and other disciplines...

Research Grants13

  1. MODELING ALZHEIMER DISEASE COSTS AND TRANSITIONS
    Christopher M Callahan; Fiscal Year: 2010
    ..Our research seeks to describe the costs and outcomes of care across the full continuum of health care for older adults with dementia. This descriptive data will help inform new treatment models. ..
  2. MODELING ALZHEIMER DISEASE COSTS AND TRANSITIONS
    Christopher Callahan; Fiscal Year: 2009
    ..Our research seeks to describe the costs and outcomes of care across the full continuum of health care for older adults with dementia. This descriptive data will help inform new treatment models. ..
  3. Translation Research on Chronic Disease Self-Management
    Christopher Callahan; Fiscal Year: 2007
    ..We also propose a new partnership with the Indiana Medicaid Office and State Department of Health to allow application of our findings to the statewide population of vulnerable elders. ..
  4. Patient-Oriented Research to Improve Geriatric Care-K24
    Christopher Callahan; Fiscal Year: 2007
    ..Through this research, the candidate will provide exciting research opportunities for a new generation of mentored-scientists. ..
  5. A PROGRAM OF COLLABORATIVE CARE FOR ALZHEIMER DISEASE
    Christopher Callahan; Fiscal Year: 2004
    ..abstract_text> ..
  6. ENHANCING AGING RESEARCH POTENTIAL AT INDIANA UNIVERSITY
    Christopher Callahan; Fiscal Year: 2002
    ..He envisions the aging research program IU as developing into one which help to understand how to translate basic discoveries into changes in primary care providers practice patterns and older adults health behaviors. ..
  7. Alzheimer's Disease Multiple Intervention Trial - ADMIT
    Christopher M Callahan; Fiscal Year: 2010
    ..For this reason, effective approaches to providing longitudinal care in the community for this burgeoning population are urgently needed. ..