C M Ashton

Summary

Affiliation: Texas Medical Center
Country: USA

Publications

  1. pmc 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
  2. ncbi request reprint Healthcare use by veterans treated for diabetes mellitus in the Veterans Affairs medical care system
    Carol 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
  3. ncbi request reprint Geographic variations in utilization rates in Veterans Affairs hospitals and clinics
    C 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
  4. ncbi request reprint Veterans Affairs Quality Enhancement Research Initiative in chronic heart failure
    C 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
  5. ncbi request reprint An empirical assessment of the validity of explicit and implicit process-of-care criteria for quality assessment
    C 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
  6. ncbi request reprint Rates of health services utilization and survival in patients with heart failure in the Department of Veterans Affairs medical care system
    C M Ashton
    Center for Quality of Care and Utilization Studies, VA Medical Center, Houston, TX, USA
    Am J Med Qual 14:55-63. 1999
  7. ncbi request reprint The association of quality of care and occurrence of in-hospital, treatment-related complications
    J 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
  8. ncbi request reprint A trial for comparing methods for eliciting treatment preferences from men with advanced prostate cancer: results from the initial visit
    J Souchek
    Veterans Affairs Medical Center, and Baylor College of Medicine, Department of Medicine, Houston, Texas 77030, USA
    Med Care 38:1040-50. 2000
  9. ncbi request reprint Impact of an all-inclusive diagnosis-related group payment system on inpatient utilization
    T J Menke
    Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center, Houston, TX 77030, USA
    Med Care 36:1126-37. 1998
  10. ncbi request reprint In-hospital complications among survivors of admission for congestive heart failure, chronic obstructive pulmonary disease, or diabetes mellitus
    J 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

Detail Information

Publications40

  1. pmc 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...
  2. ncbi request reprint Healthcare use by veterans treated for diabetes mellitus in the Veterans Affairs medical care system
    Carol 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...
  3. ncbi request reprint Geographic variations in utilization rates in Veterans Affairs hospitals and clinics
    C 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...
  4. ncbi request reprint Veterans Affairs Quality Enhancement Research Initiative in chronic heart failure
    C 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...
  5. ncbi request reprint An empirical assessment of the validity of explicit and implicit process-of-care criteria for quality assessment
    C 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...
  6. ncbi request reprint Rates of health services utilization and survival in patients with heart failure in the Department of Veterans Affairs medical care system
    C 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...
  7. ncbi request reprint The association of quality of care and occurrence of in-hospital, treatment-related complications
    J 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...
  8. ncbi request reprint A trial for comparing methods for eliciting treatment preferences from men with advanced prostate cancer: results from the initial visit
    J 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...
  9. ncbi request reprint Impact of an all-inclusive diagnosis-related group payment system on inpatient utilization
    T 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...
  10. ncbi request reprint In-hospital complications among survivors of admission for congestive heart failure, chronic obstructive pulmonary disease, or diabetes mellitus
    J 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...
  11. ncbi request reprint Evaluation of the VA mobile clinics demonstration project
    N 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...
  12. ncbi request reprint Access of women veterans to Veterans Affairs hospitals
    T 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...
  13. ncbi request reprint A psychometric analysis of the measurement level of the rating scale, time trade-off, and standard gamble
    K 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
    ....
  14. ncbi request reprint The association between residents' work-rounds styles and the process and outcome of medical care
    C 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...
  15. pmc Ethics and methods in surgical trials
    C 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...
  16. ncbi request reprint Incentives for vertical integration in healthcare: the effect of reimbursement systems
    M 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...
  17. ncbi request reprint The prevalence of peripheral arterial disease in a racially diverse population
    Tracie 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...
  18. ncbi request reprint Ethnicity and peripheral arterial disease
    Tracie 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)...
  19. ncbi request reprint Comorbid psychosocial symptoms and quality of life in patients with dementia
    A 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...
  20. pmc Measurement in Veterans Affairs Health Services Research: veterans as a special population
    Robert 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
    ..To introduce this supplemental issue on measurement within health services research by using the population of U.S. veterans as an illustrative example of population and system influences on measurement quality...
  21. ncbi request reprint Strategic opportunities in the oversight of the U.S. hospital accreditation system
    Maurice 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
    ....
  22. ncbi request reprint Associations between the impact of terrorism and health perceptions of patients
    Paul 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...
  23. ncbi request reprint A qualitative approach to developing a patient-derived intervention to increase exercise in peripheral arterial disease
    Tracie 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)...
  24. ncbi request reprint Open versus endovascular abdominal aortic aneurysm repair in VA hospitals
    Ruth 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
    ..We performed a retrospective cohort study with prospectively collected data from the Department of Veterans Affairs to examine outcomes after elective aneurysm repair...
  25. pmc Process of care and outcomes in patients with peripheral arterial disease
    Tracie 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)...
  26. ncbi request reprint A randomized trial of self-management and psychoeducational group therapies for comorbid chronic posttraumatic stress disorder and depressive disorder
    Nancy 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...
  27. ncbi request reprint Treatable comorbid conditions and use of VA health care services among patients with dementia
    Mark 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...
  28. ncbi request reprint Setting a new standard for studies of geographic variation in hospital utilization rates
    Carol M Ashton
    Med Care 43:1-3. 2005
  29. ncbi request reprint A conceptual model of pain assessment for noncommunicative persons with dementia
    A 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...
  30. ncbi request reprint Process of care in Hispanic, black, and white VA beneficiaries
    Howard 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...
  31. ncbi request reprint Short-term, intermediate-term, and long-term mortality in patients hospitalized for stroke
    Tracie 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...
  32. ncbi request reprint Health care utilization in dementia patients with psychiatric comorbidity
    Mark 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...
  33. ncbi request reprint Familial aggregation of prostate cancer in African-Americans and white Americans
    Glenn 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...
  34. ncbi request reprint Hospital use and survival among Veterans Affairs beneficiaries
    Carol 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...
  35. ncbi request reprint Empowering communication: a community-based intervention for patients
    Anh 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...
  36. ncbi request reprint Impact of race on health care utilization and outcomes in veterans with congestive heart failure
    Anita 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
    ....
  37. ncbi request reprint Predicting healthcare costs in a population of veterans affairs beneficiaries using diagnosis-based risk adjustment and self-reported health status
    Kenneth 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...
  38. pmc Measuring diagnoses: ICD code accuracy
    Kimberly J O'Malley
    Pearson Educational Mearsurement, Austin, TX 78758, USA
    Health Serv Res 40:1620-39. 2005
    ..To examine potential sources of errors at each step of the described inpatient International Classification of Diseases (ICD) coding process...
  39. ncbi request reprint A controlled trial of arthroscopic surgery for osteoarthritis of the knee
    J Bruce Moseley
    Houston Veterans Affairs Medical Center, Baylor College of Medicine, Houston, TX 77030, USA
    N Engl J Med 347:81-8. 2002
    ..We conducted a randomized, placebo-controlled trial to evaluate the efficacy of arthroscopy for osteoarthritis of the knee...
  40. ncbi request reprint 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 Quality
    William M Tierney
    Med Care 40:1003-11. 2002