Research Topics
| Christopher CallahanSummaryAffiliation: Indiana University Country: USA Publications
Research Grants
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Detail Information
Publications
Alzheimer's disease multiple intervention trial (ADMIT): study protocol for a randomized controlled clinical trialChristopher M Callahan
Indiana University Center for Aging Research, 410 West 10th Street, Indianapolis, IN, 46202 3012, USA
Trials 13:92. 2012..abstract:..
Transitions in care for older adults with and without dementiaChristopher 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...
Treatment of depression improves physical functioning in older adultsChristopher 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...
Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trialChristopher 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...
Defining the domain of geriatric medicine in an urban public health system affiliated with an academic medical centerChristopher 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...
Integrating care for older adults with cognitive impairmentChristopher 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...
Successful aging and the humility of perspectiveChristopher 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
Implementing dementia care models in primary care settings: The Aging Brain Care Medical HomeChristopher 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...
Mild cognitive dysfunction: an epidemiological perspective with an emphasis on African AmericansFrederick 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...
Screening and treatment for Alzheimer's disease: predicting population-level outcomesNicolas 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...
Cost analysis of the Geriatric Resources for Assessment and Care of Elders care management interventionSteven 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...
Geriatric Resources for Assessment and Care of Elders (GRACE): a new model of primary care for low-income seniorsSteven 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...
Health services use by older adults in an urban public health systemKevin M Terrell
Department of Emergency Medicine, Indiana University School of Medicine, Indianapolis, 46202, USA
Am J Emerg Med 23:233-4. 2005
Improving depression outcomes in older adults with comorbid medical illnessLinda 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...
Geriatric care management for low-income seniors: a randomized controlled trialSteven 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...
Acute care utilization by dementia caregivers within urban primary care practicesCathy 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...
House calls for seniors: building and sustaining a model of care for homebound seniorsRobin 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....
Development and implementation of nonpharmacologic protocols for the management of patients with Alzheimer's disease and their families in a multiracial primary care settingMary Guerriero Austrom
Department of Psychiatry, Indiana University School of Medicine, 541 Clinical Dr, CL 590, Indianapolis, IN 46202, USA
Gerontologist 44:548-53. 2004....
Implementing a screening and diagnosis program for dementia in primary careMalaz 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...
Low yield of thyroid-stimulating hormone testing in elderly patients with depressionShelagh 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...
Errors in completion of referrals among older urban adults in ambulatory careMichael 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...
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...
Six-item screener to identify cognitive impairment among potential subjects for clinical researchChristopher 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...
Reliability and validity of a steadiness scoreDaniel 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...
Selecting a change and evaluating its impact on the performance of a complex adaptive health care delivery systemMalaz 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...
Physical symptoms as a predictor of health care use and mortality among older adultsMichael C Sha
Division of General Internal Medicine and Geriatrics, Indiana University School of Medicine, Indianapolis, USA
Am J Med 118:301-6. 2005..Future work is needed to determine how to target symptoms as a potential mechanism to reduce health care use and mortality...
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...
Computerized decision support to reduce potentially inappropriate prescribing to older emergency department patients: a randomized, controlled trialKevin 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...
Patients' attitudes of dementia screening across the AtlanticMichael 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...
The meaning and significance of self-management among socioeconomically vulnerable older adultsDaniel 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...
Measuring primary care patients' attitudes about dementia screeningMalaz 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...
Limitation of a single clinical data source for measuring physicians' performance on quality indicatorsMichael 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...
Computerized decision support for medication dosing in renal insufficiency: a randomized, controlled trialKevin 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...
The efficacy of pentoxifylline in the treatment of vascular dementia: a systematic reviewMichael 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...
Improving medication use for older adults: an integrated research agendaMichael 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...
Using information technology to improve the health care of older adultsMichael 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...
Cardiovascular risk factors and incident Alzheimer disease: a systematic review of the literatureChristianna 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)...
Depression and Bipolar Support Alliance consensus statement on the unmet needs in diagnosis and treatment of mood disorders in late lifeDennis S Charney
National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
Arch Gen Psychiatry 60:664-72. 2003....
Cost-effectiveness of improving primary care treatment of late-life depressionWayne 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...
Can primary care meet the biopsychosocial needs of older adults with dementia?Malaz Boustani
J Gen Intern Med 22:1625-7. 2007
Collaborative care management of late-life depression in the primary care setting: a randomized controlled trialJurgen 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...
Measuring and communicating the value of geriatricsChristopher M Callahan
J Am Geriatr Soc 50:1741-3. 2002
General internal medicine and geriatrics: building a foundation to improve the training of general internists in the care of older adultsC 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...
Depression treatment in a sample of 1,801 depressed older adults in primary careJurgen 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..
Monitoring depression treatment outcomes with the patient health questionnaire-9Bernd 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...
Depression in primary care: encouragement and caution for the business caseChristopher M Callahan
J Gen Intern Med 21:1125-7. 2006
Death and primary careChristopher M Callahan
J Gen Intern Med 19:1066-7. 2004
Research Grants
- MODELING ALZHEIMER DISEASE COSTS AND TRANSITIONSChristopher 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. ..
- MODELING ALZHEIMER DISEASE COSTS AND TRANSITIONSChristopher 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. ..
- Translation Research on Chronic Disease Self-ManagementChristopher 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. ..
- Patient-Oriented Research to Improve Geriatric Care-K24Christopher Callahan; Fiscal Year: 2007..Through this research, the candidate will provide exciting research opportunities for a new generation of mentored-scientists. ..
- A PROGRAM OF COLLABORATIVE CARE FOR ALZHEIMER DISEASEChristopher Callahan; Fiscal Year: 2004..abstract_text> ..
- ENHANCING AGING RESEARCH POTENTIAL AT INDIANA UNIVERSITYChristopher 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. ..
- Alzheimer's Disease Multiple Intervention Trial - ADMITChristopher M Callahan; Fiscal Year: 2010..For this reason, effective approaches to providing longitudinal care in the community for this burgeoning population are urgently needed. ..
