A nurse management intervention combining an in-person visit, periodic phone calls, and home blood pressure monitoring over 9 months was associated with a statistically significant reduction in systolic, but not diastolic, blood pressure compared to usual care in a high risk population. Home blood pressure monitoring alone was no more effective than usual care.
Nurse management can improve functioning and modestly lower hospitalizations in ethnically diverse ambulatory care patients who have heart failure with systolic dysfunction. Sustaining improved functioning may require continuing nurse contact.
Definitions of racial and ethnic disparities fall along a continuum from differences with little connotation of being unjust to those that result from overt discrimination. Where along this continuum one decides that a racial difference becomes a disparity is subjective, but the magnitude of the injustice is generally proportional to how much control a person is perceived to have over the cause of the difference in health. The degree to which one sees environmental factors and social context as shaping choices has important implications for the measurement of disparities and ultimately for directing efforts to eliminate them.
Background
Randomized, controlled trials have shown that nurse-led disease management for patients with heart failure can reduce hospitalizations. Less is known about the cost-effectiveness of these interventions.
Objective
To estimate the cost-effectiveness of a nurse-led disease management intervention over 12 months, implemented in a randomized, controlled effectiveness trial.
Design
Cost-effectiveness analysis conducted alongside a randomized trial.
Data Sources
Medical costs from administrative records, and self-reported quality of life and nonmedical costs from patient surveys.
Participants
Patients with systolic dysfunction recruited from ambulatory clinics in Harlem, New York.
Time Horizon
12 months.
Perspective
Societal and payer.
Intervention
12-month program that involved 1 face-to-face encounter with a nurse and regular telephone follow-up.
Outcome Measures
Quality of life as measured by the Health Utilities Index Mark 3 and EuroQol-5D and cost-effectiveness as measured by the incremental cost-effectiveness ratio (ICER).
Results of Base-Case Analysis
Costs and quality of life were higher in the nurse-managed group than the usual care group. The ICERs over 12 months were $17 543 per EuroQol-5D–based quality-adjusted life-year (QALY) and $15 169 per Health Utilities Index Mark 3–based QALY (in 2001 U.S. dollars).
Results of Sensitivity Analysis
From a payer perspective, the ICER ranged from $3673 to $4495 per QALY. Applying national prices in place of New York City prices yielded a societal ICER of $13 460 to $15 556 per QALY. Cost-effectiveness acceptability curves suggest that the intervention was most likely cost-effective for patients with less severe (New York Heart Association classes I to II) heart failure.
Limitation
The trial was conducted in an ethnically diverse, inner-city neighborhood; thus, results may not be generalizable to other communities.
Conclusion
Over 12 months, the nurse-led disease management program was a reasonably cost-effective way to reduce the burden of heart failure in this community.
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