Failure to adjust hypertension therapy despite elevated blood pressure (BP) levels is an important contributor to lack of BP control. One possible explanation is that small elevations above goal BP are not concerning to clinicians. BP levels farther above goal, however, should be more likely to prompt clinical action. We reviewed one year’s worth of primary care records of 3,742 North Carolina Medicaid recipients 21 years and older with hypertension (a total of 15,516 office visits) to examine variations in hypertension management stratified by level of BP above goal and the association of BP level above goal with documented anti-hypertensive medication change. Among the 53% of patients not at goal BP, 42% were within 10/5 mm Hg of goal; 11% had a BP ≥40/20 mm Hg above goal. Higher level of BP above goal was independently associated with anti-hypertensive medication change. Compared to visits at which BP was <10/5 mm Hg above goal, the adjusted odds of medication change were 7.9 (95% CI 6.2-10.2) times greater at visits when patients’ BP was ≥ 40/20 mm Hg above goal. However, even when BP was above goal at this level, treatment change occurred only 46% (95% CI 40.2-51.8) of the time.
Background: National health care quality measures suggest that racial and ethnic minority populations receive inferior quality of care compared to whites across many health services. As the largest insurer of low-income and minority populations in the United States, Medicaid has an important opportunity to identify and address health care disparities. Methods: Using 2006 Healthcare Effectiveness Data and Information Set (HEDIS) measures developed by the National Committee for Quality Assurance (NCQA), we examined quality of care for cancer screening, diabetes, and asthma among all eligible non-dual North Carolina Medicaid recipients by race and ethnicity. Results: In comparison to non-Latino whites, non-Latino African Americans had higher rates of screening for breast cancer (40.1% vs. 36.1%), cervical cancer (60.5% vs. 54.6%), and colorectal cancer (25.5% vs. 20.6%) and lower rates of LDL testing among people with diabetes (61.8% vs. 65.1%) and appropriate asthma medication use (88.7% vs. 91.0%). A1C testing and retinal eye exam rates among people with diabetes were similar. Smaller racial/ethnic minority groups had favorable quality indicators across most measures. Limitations: Comparability of findings to national population-based quality measures and other health plan HEDIS measures is limited by lack of case-mix adjustment.Conclusions: For the health services examined, we did not find evidence of large racial and ethnic disparities in quality of care within the North Carolina Medicaid program. There is substantial room for improvement, however, in cancer screening and preventive care for Medicaid recipients as a whole.
Uncontrolled risk factors contribute substantially to cardiovascular disease burden. With retrospective chart review, we examined rates of cardiovascular risk factor assessment and intervention during the course of usual care for a representative sample of 3,742 adult North Carolina Medicaid recipients with diagnosed hypertension managed by a primary care provider. Most patients had been established with their provider for at least three years. Ninety-six percent had multiple modifiable risk factors. Blood pressure and cholesterol were above goal for 52.9% and 37.2% of patients, respectively. Among those with uncontrolled blood pressure, only 44.3% had intensification of therapy within the prior year. Half of patients with cholesterol above goal were treated with medication; and half of current smokers had documented advice to quit. Documentation of aspirin use or counseling was rare. Despite Medicaid coverage and access to care, many effective strategies to prevent cardiovascular events were underutilized, even among patients at highest risk.
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