Preferred provider organizations: a fiscal perspective. Part 5.
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To our knowledge, First Chicago has developed and implemented the first operational integrated health data computer system that includes the traditional occupational medicine data base together with medical claims and health risk appraisal data. OMNIS has combined medical claims, personnel, disability, employee assistance program, wellness program participation, administrative functions, laboratory, periodic health evaluation data, and health risk appraisal data in a single system. OMNIS provides data that are being used to more accurately predict health care and disability costs and design intervention strategies. Clearly, the integrated health data computer system provides information to manage increasingly complex issues of health care quality and cost. For companies concerned about the quality as well as the cost of health care, an integrated health data computer system (OMNIS) may be a valuable tool to objectively assess quality of care. For example, a company could evaluate how effectively various providers (eg, health maintenance organizations, preferred provider organizations, indemnity plan) control medical conditions such as hypertension. Integrated health data management systems have the potential to assist in the selection of the highest quality and most cost-effective health care plans.
Utilization review (UR) programs seek to determine whether specific services are medically necessary and whether they are delivered at an appropriate level of intensity and cost. Although UR programs have been operating for more than 40 years, they have changed dramatically during the past two decades. Today, many health care providers, analysts, and policymakers view UR as a possible solution to hospital inpatient cost and quality problems. This paper addresses how UR has evolved, how UR is used today by different delivery mechanisms (i.e., Medicare, health maintenance organizations, preferred provider organizations, Blue Cross, and commercial insurers), the cost effects of various UR approaches, and how UR will be used in the future.
The swift changes in the delivery and financing of health care have created something which the Blue Cross and Blue Shield organization has called "The New Health Care". Encompassing health maintenance organizations, preferred provider organizations, and managed care options, it is designed to help control health care costs by providing choice and flexibility for consumers and providers of care.
Our objective was to investigate the penetration of endovascular abdominal aortic aneurysm repair (EVAR) in the large, diverse health-care market of southern California over 3 years and to study variability in the pattern of distribution of EVAR in southern California counties by analyzing available demographic, geographic, and socioeconomic data from California state health-care databases. Information abstracted from the inpatient hospital discharge data for patients undergoing AAA repair for the years 2001, 2002, and 2003, derived from the Office of Statewide Health Planning and Development, included age, gender, race, hospitals performing EVAR, and payors for the service. Per-capita income (PCI) for the year 1999 and the population size of each county for the respective years were obtained from the U.S. Census Bureau. Data pertaining to members of the Southern California Vascular Surgical Society (SCVSS) serving the southern California region were obtained from the SCVSS membership directory. Data were categorized based on 10 counties in southern California. All the above variables were analyzed using the chi-squared test, with p < 0.05 considered significant. The proportions of EVAR for the years 2001, 2002, and 2003 were 15.4% (n = 409), 20.2% (n = 492), and 25.9% (n = 566), respectively. This is a 67.8% (p < 0.0001) increase in EVAR application in southern California since 2001. However, the proportion of EVAR varied among counties (p < 0.0001), with 457 EVARs performed in Los Angeles County and eight in Imperial County during the study period. EVAR proportion was higher in patients aged > or =65 years (p < 0.0001) and male patients (p < 0.0001). The proportion of EVAR was significantly higher in counties with more than 20 vascular surgeons available (p < 0.0001) and PCI >21,000 US$ (p < 0.0001) and in Medicare, health maintenance organization, preferred provider organization, and private insurance holders (p < 0.0001). There was a trend toward increased EVARs in counties with more than eight hospitals that performed EVAR (p = 0.0545). However, no significant difference in EVAR proportion was observed among subgroups based on race (p = 0.535) and population size (p = 0.84). Although the number and proportion of EVAR increased significantly in southern California over 3 years, the penetration of the procedure varied among counties. County affluence, payor mix, and the number of vascular surgeons/county influenced the variability. These observations suggest that economic barriers may limit access to new biomedical technology. This has implications for health-care public policy directed toward providing equal access to medical care without regard to economic status.
BACKGROUND: The Maine Medical Assessment Foundation (MMAF) has involved the participation of hundreds of physicians in study groups to analyze data on small-area variation and assess physician decision-making patterns. In 1991 the MMAF model was replicated across a tri-state area (Maine, New Hampshire, and Vermont) in an effort called the Outcomes Dissemination Project. THE OUTCOMES DISSEMINATION PROJECT: Five specialty study groups, each meeting three times a year, examined local and national utilization data and guidelines and research findings, participated in outcomes studies and patient education, and disseminated their findings through society presentations and other feedback efforts. Physician surveys indicated that all but one of the study groups were successful in making their existence and activities known to the broader medical community. PARTNERING WITH PURCHASERS AND MEDICAID: In the "Partnership Projects," the MMAF and relevant study groups, collaborating with a Maine business coalition, analyzed variations in utilization across employers, types of health plans (for example, health maintenance organization, preferred provider organization, fee-for-service), and small areas. Through this process, coalition members learned about small-area analysis and the implications of variations in utilization for cost and quality. The first year of the collaborative projects focused on several issues, including the development and dissemination of a practice guideline for the care of patients with chest pain; the dissemination of a practice guideline for the treatment of patients with acute low back pain; and a project designed to address cesarean section rates. SUMMARY: Innovative partnerships have been crafted to allow the tenets of the MMAF's working relationships with the medical community to remain intact, ensuring the ongoing interest and cooperation of hundreds of Maine physicians.