Research Topics
| Vivian HoSummaryAffiliation: Rice University Country: USA Publications
Research Grants
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Detail Information
Publications
State deregulation and Medicare costs for acute cardiac careVivian Ho
Baker Institute for Public Policy, Rice University, Houston, TX 77005, USA
Med Care Res Rev 70:185-205. 2013..Thus, CON regulations for CABG may not be justified in terms of either improving quality or controlling cost growth...
Certificate of Need (CON) for cardiac care: controversy over the contributions of CONVivian Ho
Department of Economics, James A Baker III Institute for Public Policy, Rice University, Houston, TX 77005, USA
Health Serv Res 44:483-500. 2009..To test whether state Certificate of Need (CON) regulations influence procedural mortality or the provision of coronary artery bypass graft surgery (CABG) and percutaneous coronary interventions (PCI)...- Hospital volume, surgeon volume, and patient costs for cancer surgeryVivian Ho
James A Baker III Institute for Public Policy, Rice University, Houston, Texas 77005, USA
Med Care 46:718-25. 2008..Less is known about the relative influence of hospital and surgeon volume on patient costs. We evaluate associations between hospital and surgeon volume and inpatient costs for 6 cancer resections... 
Physician supply, treatment, and amputation rates for peripheral arterial diseaseVivian Ho
Baker Institute for Public Policy, Rice University, Houston, TX 77005, USA
J Vasc Surg 42:81-7. 2005..To test whether the availability of vascular surgeons and interventional radiologists in a region affects revascularization and amputation rates for patients with peripheral arterial disease (PAD)...- Trends in hospital and surgeon volume and operative mortality for cancer surgeryVivian Ho
Department of Economics, Baker Institute, Rice University, MS 22, 6100 Main St, Houston, Texas 77005, USA
Ann Surg Oncol 13:851-8. 2006..We measured 13-year trends in operative mortality for six cancer resections. We then examined whether these trends are driven by changes in hospital and surgeon volume or by changes that occurred among all providers, regardless of volume... - Does certificate of need affect cardiac outcomes and costs?Vivian Ho
Baker Institute for public policy HS 40, Rice University, 6100, Main St, Houston, TX 77005, USA
Int J Health Care Finance Econ 6:300-24. 2006..However, CON is associated with little reduction in inpatient mortality, and it may lead hospitals to operate on more patients than they would otherwise. The claimed welfare benefits of CON regulations require careful reconsideration... - Certificate of need regulations and the availability and use of cancer resectionsMarah N Short
James A Baker III Institute for Public Policy MS 40, Rice University, 6100 Main Street, Houston, TX 77005, USA
Ann Surg Oncol 15:1837-45. 2008..This study examines the association between acute-care CON, the availability of cancer surgery hospitals, and provision of six cancer operations... - Physical and mental health status of Hurricane Katrina evacuees in Houston in 2005 and 2006Karoline Mortensen
Dept of Political Science MS 24, Rice University, PO Box 1892, Houston, TX 77251 1892, USA
J Health Care Poor Underserved 20:524-38. 2009..This study compared characteristics of three samples of evacuees with those of the U.S. population and examined how evacuees' experiences have changed over time... - Cardiac Certificate of Need regulations and the availability and use of revascularization servicesVivian Ho
Baker Institute for Public Policy, Rice University, Houston, TX 77005, USA
Am Heart J 154:767-75. 2007..We assessed the association between cardiac CON regulations, availability of revascularization facilities, and revascularization rates... - Medicare eligibility and physician utilization among adults with coronary heart disease and strokeJerome Dugan
Department of Economics MS 22, Rice University, Houston, TX 77251 1892, USA
Med Care 50:547-53. 2012..Although Medicare eligibility has been shown to generally increase health care access and utilization, few studies have investigated the association between Medicare eligibility and health care utilization among the chronically ill... - Regionalization versus competition in complex cancer surgeryVivian Ho
Baker Institute, Rice University and Department of Medicine, Baylor College of Medicine, Houston, TX 77005, USA
Health Econ Policy Law 2:51-71. 2007..Third, before any regionalization policy is implemented, a deep and precise understanding of the nature of both outcome/volume and price/competition relationships is needed... - The grand impact of the Gates Foundation. Sixty billion dollars and one famous person can affect the spending and research focus of public agenciesKirstin Rw Matthews
James A. Baker III Institute of Public Policy, Rice University, Houston, TX, USA
EMBO Rep 9:409-12. 2008 - Certificate of need regulations and hospital mortalityVivian Ho
JAMA 289:551; author reply 551. 2003 - Certificate of need, volume, and percutaneous transluminal coronary angioplasty outcomesVivian Ho
Department of Health Care Organization and Policy, The University of Alabama at Birmingham, Birmingham, Ala 35294 0022, USA
Am Heart J 147:442-8. 2004..This study compares the volume-outcome relation for PTCA in Florida and California... - The importance of indirect costs in primary cardiovascular disease prevention: can we save lives and money with statins?Steven A Grover
Division of Clinical Epidemiology, The Montreal General Hospital, 1650 Cedar Ave, Montreal, Quebec, Canada H3G 1A4
Arch Intern Med 163:333-9. 2003..We compared the cost-effectiveness of lipid level modification in the primary prevention of CVD with and without these indirect costs... - Certificate of need regulation and cardiac catheterization appropriateness after acute myocardial infarctionJoseph S Ross
Department of Geriatrics and Adult Development, Mount Sinai School of Medicine, One Gustave L Levy Pl, Box 1070, New York, NY 10029, USA
Circulation 115:1012-9. 2007..Our objective was to examine whether rates of appropriate cardiac catheterization after admission for acute myocardial infarction varied between states with and without CON regulation of cardiac catheterization... - Effect of hospital volume and experience on in-hospital mortality for pancreaticoduodenectomyVivian Ho
Department of Health Care Organization and Policy, University of Alabama Birmingham, RPHB 330, 1665 University Boulevard, Birmingham, AL 352944 0022, USA
Ann Surg 237:509-14. 2003..To examine the relative impact of procedure volume versus years of hospital experience on inpatient death rates after pancreaticoduodenectomy... - Advanced diagnostic imaging: benefit or burden?Vivian Ho
Med Care 46:455-7. 2008 - Controlling for patient risk in volume-outcome studiesVivian Ho
Arch Intern Med 165:1664; author reply 1664. 2005 - Learning and the evolution of medical technologies: the diffusion of coronary angioplastyVivian Ho
Department of Health Care Organization and Policy, University of Alabama Birmingham, 35294 0022, USA
J Health Econ 21:873-85. 2002..The results suggest that centralizing provision of PTCA may lead to lower costs, but only small outcomes improvements...
Research Grants
- Certificate of Need and Cardiac OutcomesVivian Ho; Fiscal Year: 2006..If volume increases associated with CON laws do in fact improve patient outcomes, then the general trend towards relaxing CON regulations should be revisited. ..
- Regionalizing Cancer SurgeryVivian Ho; Fiscal Year: 2007..The analyses will also serve as case studies to determine the value and feasibility of analyzing a wider range of surgeries using these methods. ..
- Cost and Quality of Cancer SurgeryVivian Ho; Fiscal Year: 2010..By identifying some of these factors, we will provide knowledge which can guide efforts to achieve process improvement that will both improve patient care and save costs. ..