Research Topics
| C M AshtonSummaryAffiliation: Baylor College of Medicine Country: USA Publications
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Detail Information
Publications
Racial and ethnic disparities in the use of health services: bias, preferences, or poor communication?Carol M Ashton
Baylor College of Medicine, Houston, Tex, USA
J Gen Intern Med 18:146-52. 2003..We evaluate the evidence that poor communication is a cause of disparities and propose some remedies drawn from the communication sciences...
Healthcare use by veterans treated for diabetes mellitus in the Veterans Affairs medical care systemCarol M Ashton
Houston Center for Quality of Care and Utilization Studies, Houston VA Medical Center, and Department of Medicine, Baylor College of Medicine, Houston, Tex 77030, USA
Am J Manag Care 9:145-50. 2003..To estimate the burden of comorbid conditions and to describe patterns of inpatient and outpatient service use by veterans with diabetes mellitus...
Geographic variations in utilization rates in Veterans Affairs hospitals and clinicsC M Ashton
Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center, Houston, TX 77030, USA
N Engl J Med 340:32-9. 1999..Thus, it might be less likely to have geographic variations...
Veterans Affairs Quality Enhancement Research Initiative in chronic heart failureC M Ashton
Houston Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center of Houston, Texas 77030, USA
Med Care 38:I26-37. 2000..Lessons learned about CHF in the course of the CHF QUERI will be applicable to all people with heart failure and to all health care systems--VA as well as non-VA--that care for them...
An empirical assessment of the validity of explicit and implicit process-of-care criteria for quality assessmentC M Ashton
Center for Quality of Care and Utilization Studies, Veterans Affairs Health Services Research and Development Field Program, Houston, TX 77030, USA
Med Care 37:798-808. 1999..To evaluate the validity of three criteria-based methods of quality assessment: unit weighted explicit process-of-care criteria; differentially weighted explicit process-of-care criteria; and structured implicit process-of-care criteria...
Rates of health services utilization and survival in patients with heart failure in the Department of Veterans Affairs medical care systemC M Ashton
Center for Quality of Care and Utilization Studies, VA Medical Center, Houston, TX, USA
Am J Med Qual 14:55-63. 1999..Utilization and outcome data indicate the need for major efforts to assure quality of care and to devise innovative ways of delivering comprehensive services...
The association of quality of care and occurrence of in-hospital, treatment-related complicationsJ M Geraci
Houston Center for Quality of Care and Utilization Studies, Houston Veterans Affairs Medical Center, Department of Medicine, Baylor College of Medicine, Texas 77030 4211, USA
Med Care 37:140-8. 1999..Little data exist supporting the association of quality of care and nonfatal adverse outcomes in hospitalized patients, yet those outcomes are routinely scrutinized in quality assessment efforts...
A trial for comparing methods for eliciting treatment preferences from men with advanced prostate cancer: results from the initial visitJ Souchek
Veterans Affairs Medical Center, and Baylor College of Medicine, Department of Medicine, Houston, Texas 77030, USA
Med Care 38:1040-50. 2000..The objective of this study was to evaluate the convergent validity of 3 types of utility measures: standard gamble, time tradeoff, and rating scale...
Impact of an all-inclusive diagnosis-related group payment system on inpatient utilizationT J Menke
Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center, Houston, TX 77030, USA
Med Care 36:1126-37. 1998..This study estimates the effect of a prospective payment system based on diagnosis-related groups (DRGs) nationwide in the Department of Veterans Affairs...
In-hospital complications among survivors of admission for congestive heart failure, chronic obstructive pulmonary disease, or diabetes mellitusJ M Geraci
Houston Center for Quality of Care and Utilization Studies, Houston Veterans Affairs Medical Center, Baylor College of Medicine 77030, USA
J Gen Intern Med 10:307-14. 1995..9 days vs 7.2 to 8.2 days, p < 0.01). CONCLUSIONS: Complications are frequent among patients discharged alive with CHF, COPD, or DM. The patients who experienced complications were more ill on admission and had longer hospital stays...
Evaluation of the VA mobile clinics demonstration projectN P Wray
Baylor College of Medicine, USA
J Healthc Manag 44:133-47. 1999..The direct costs per visit averaged more than three times what the VA would have reimbursed the private sector...
Access of women veterans to Veterans Affairs hospitalsT W Weiss
Houston Center for Quality of Care and Utilization Studies, Houston VAMC, TX 77030
Women Health 21:23-38. 1994..However, women veterans still use VA hospitals at about one-half the rate for men. Regardless, the VA system will continue to be an important source of health care for women...
A psychometric analysis of the measurement level of the rating scale, time trade-off, and standard gambleK F Cook
Veterans Affairs Medical Center, and Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX 77030, USA
Soc Sci Med 53:1275-85. 2001....
The association between residents' work-rounds styles and the process and outcome of medical careC M Ashton
General Medicine Section, Veterans Affairs Medical Center, Houston, Texas
J Gen Intern Med 9:208-12. 1994..01). CONCLUSIONS: A data-gathering work-rounds style is associated with better process and outcome. Residency programs should provide formal instruction to trainees in the conduct of work rounds...
Ethics and methods in surgical trialsC M Ashton
Department of Surgery, The Methodist Hospital, Houston, Texas, USA
J Med Ethics 35:579-83. 2009..The paper discusses how the authors plan to develop a set of consensus standards that, if met, would result in substantial and much-needed improvements in the methodological and ethical quality of such trials...
Incentives for vertical integration in healthcare: the effect of reimbursement systemsM M Byrne
Houston Center for Quality of Care and Utilization Studies and Baylor College of Medicine, Houston, TX, USA
J Healthc Manag 44:34-44; discussion 45-6. 1999..Evaluation of the effects of vertical integration should allow for reasonable adjustment time, but obviously unsuccessful strategies should not be followed or maintained...
The prevalence of peripheral arterial disease in a racially diverse populationTracie C Collins
Houston Center for Quality of Care and Utilization Studies, Houston Veterans Affairs Medical Center, Baylor College of Medicine, Houston, Texas 77030, USA
Arch Intern Med 163:1469-74. 2003..The purpose of this study was to determine the prevalence of peripheral arterial disease (PAD) in white, African American, and English- and Spanish-speaking Hispanic patients...
Ethnicity and peripheral arterial diseaseTracie C Collins
Houston Center for Quality of Care and Utilization Studies, Michael E DeBakey Veterans Affairs Medical Center, Houston, Tex 77030, USA
Mayo Clin Proc 80:48-54. 2005..To determine whether race/ethnicity is an independent risk factor for peripheral arterial disease (PAD)...
Comorbid psychosocial symptoms and quality of life in patients with dementiaA Lynn Snow
Houston Center for Quality of Care and Utilization Studies, Houston Veterans Affairs Medical Center, Houston, TX, USA
Am J Geriatr Psychiatry 13:393-401. 2005..In an effort to develop a more comprehensive understanding of this relationship, this study included both patient reports of their QOL and caregiver reports of patient QOL...
Measurement in Veterans Affairs Health Services Research: veterans as a special populationRobert O Morgan
Houston Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center, Holocombe Blvd, Houston, TX 77030, USA
Health Serv Res 40:1573-83. 2005..It is our hope that they stimulate a broad discussion of the measurement challenges posed by conducting "state-of-the-art" health services research...
Strategic opportunities in the oversight of the U.S. hospital accreditation systemMaurice L Moffett
Michael E DeBakey Veterans Affairs Medical Center, 152, Houston Center for Quality of Care and Utilization Studies, Baylor College of Medicine, 2002 Holcombe Boulevard, TX 77030, USA
Health Policy 75:109-15. 2005....
Associations between the impact of terrorism and health perceptions of patientsPaul Haidet
Michael E DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas, USA
Int J Psychiatry Med 35:249-58. 2005..The objective of this study was to explore associations between the personal impact of the September 11th attacks and patients' perceptions of health and illness...
A qualitative approach to developing a patient-derived intervention to increase exercise in peripheral arterial diseaseTracie C Collins
Houston Center for Quality of Care and Utilization Studies, Michael E DeBakey VA Medical Center, and Section for Health Services Research, Baylor College of Medicine, Houston, TX, USA
J Cardiopulm Rehabil 26:92-100. 2006..In designing a patient-physician communication intervention, we explored patients' perceptions of the role of exercise in the treatment of peripheral arterial disease (PAD)...
Open versus endovascular abdominal aortic aneurysm repair in VA hospitalsRuth L Bush
Houston Center for Quality of Care and Utilization Studies, Michael E DeBakey Veterans Affairs Medical Center, and Michael E DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA
J Am Coll Surg 202:577-87. 2006....
Process of care and outcomes in patients with peripheral arterial diseaseTracie C Collins
Houston Center for Quality of Care and Utilization Studies, and Section of Health Services Research, Baylor College of Medicine, Houston, Texas, USA
J Gen Intern Med 22:942-8. 2007..We investigated the association of process of care measures with adverse limb and systemic events in patients with peripheral arterial disease (PAD)...
A randomized trial of self-management and psychoeducational group therapies for comorbid chronic posttraumatic stress disorder and depressive disorderNancy Jo Dunn
Michael E DeBakey Veterans Affairs Medical Center, Houston, TX 77030, USA
J Trauma Stress 20:221-37. 2007..Despite success in other depressed populations, self-management therapy produced no clinically significant effect in depression with chronic PTSD...
Treatable comorbid conditions and use of VA health care services among patients with dementiaMark E Kunik
Houston Center for Quality of Care and Utilization Studies, DeBakey Veterans Affairs Medical Center, 2002 Holcombe, Houston, TX 77030, USA
Psychiatr Serv 56:70-5. 2005..This prospective study examined the longitudinal relationship between use of health care services and treatable comorbid conditions among patients with dementia...
Setting a new standard for studies of geographic variation in hospital utilization ratesCarol M Ashton
Med Care 43:1-3. 2005
A conceptual model of pain assessment for noncommunicative persons with dementiaA Lynn Snow
VAMC, 2002 Holcombe, HSR and D152, Houston, TX 77030, USA
Gerontologist 44:807-17. 2004..Our objectives are to present a conceptual model of the pain assessment process in persons with dementia and discuss methods for validating our model within this population...
Process of care in Hispanic, black, and white VA beneficiariesHoward S Gordon
Houston Center for Quality of Care and Utilization Studies, Section of General Medicine, Veterans Affairs Medical Center, TX, USA
Med Care 40:824-33. 2002..To examine whether process of hospital care differs among Hispanic, black, and white VA beneficiaries...
Short-term, intermediate-term, and long-term mortality in patients hospitalized for strokeTracie C Collins
Houston Center for Quality Care and Utilization Studies, 2002 Holcombe Blvd 152, Houston, TX 77030, USA
J Clin Epidemiol 56:81-7. 2003..Further work is needed to assess the impact of actual care patterns, for the above identified risk factors, on stroke prognosis over varying time periods...
Health care utilization in dementia patients with psychiatric comorbidityMark E Kunik
VAMC, Houston, TX 77030, USA
Gerontologist 43:86-91. 2003..The purpose of this research was to determine if differences in service use exist between dementia patients with and without psychiatric comorbidity...
Familial aggregation of prostate cancer in African-Americans and white AmericansGlenn R Cunningham
Department of Medicine, Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas 77030, USA
Prostate 56:256-62. 2003..We compared the incidence of prostate cancer in first-degree family members of African-Americans with that in white Americans...
Hospital use and survival among Veterans Affairs beneficiariesCarol M Ashton
Center for Quality of Care and Utilization Studies, Houston Veterans Affairs Medical Center, and Baylor College of Medicine, Houston, TX 77030, USA
N Engl J Med 349:1637-46. 2003..We postulated that if access to hospital care was reduced too much, or if decreased hospital use was not offset by improvements in ambulatory care, urgent care visits would increase or survival rates would fall...
Empowering communication: a community-based intervention for patientsAnh N Tran
Department of Health Behavior and Health Education, School of Public Health, University of North Carolina at Chapel Hill, CB 7440, Chapel Hill, NC 27599 7440, USA
Patient Educ Couns 52:113-21. 2004..By sharing our experiences, the barriers we encountered, and our ongoing efforts to improve patient communication in the medical encounter, we hope to empower patients to communicate better with their physicians...
Impact of race on health care utilization and outcomes in veterans with congestive heart failureAnita Deswal
Houston Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas 77030, USA
J Am Coll Cardiol 43:778-84. 2004....
Predicting healthcare costs in a population of veterans affairs beneficiaries using diagnosis-based risk adjustment and self-reported health statusKenneth Pietz
Houston Center for Quality of Care and Utilization Studies, Health Services Research and Development Service, Michael E DeBakey Veterans Affairs Medical Center, Houston, Texas 77030, USA
Med Care 42:1027-35. 2004..Many healthcare organizations use diagnosis-based risk adjustment systems for predicting costs. Health self-report may add information not contained in a diagnosis-based system but is subject to incomplete response...
Measuring diagnoses: ICD code accuracyKaron F Cook
Pearson Educational Mearsurement, Austin, TX 78758, USA
Health Serv Res 40:1620-39. 2005..ICD codes can then be used in the most appropriate ways...
A controlled trial of arthroscopic surgery for osteoarthritis of the kneeJ Bruce Moseley
Houston Veterans Affairs Medical Center, Baylor College of Medicine, Houston, TX 77030, USA
N Engl J Med 347:81-8. 2002..CONCLUSIONS: In this controlled trial involving patients with osteoarthritis of the knee, the outcomes after arthroscopic lavage or arthroscopic débridement were no better than those after a placebo procedure...
A remarkable legacy of science: review of AHRQ-funded articles published in Medical Care during John Eisenberg's Directorship of AHRQ. Agency for Health care Research and QualityWilliam M Tierney
Med Care 40:1003-11. 2002
