A Perfect Storm: Interventions – Closing the survival gap

In breast cancer, there have been examples of successful system-based approaches to reducing the racial mortality disparity. At New York area hospitals, Bickell et al. ²⁰ implemented a tracking and feedback registry to close the referral loop between surgeons and oncologists to decrease the underuse of valuable adjuvant treatments.

The intervention targeted important quality issues in both communication (the breakdown in dialogue among providers of different specialties and between providers and patients) and the underuse of adjuvant treatment in minorities. The approach was designed to address failures in the health care system through the involvement of leadership from pathology, surgery, and oncology. The intervention also incorporated technology, with tracking software prompting contact with patients who had failed to follow up. Among African American and Hispanic women, there were statistically significant decreases in the underuse of radiotherapy (23% before the intervention vs. 10% after the intervention), chemotherapy (26% vs. 6%), and hormonal therapy (27% vs. 11%). After the intervention, minority race was no longer a risk factor for low rates of oncology consultation or underuse of adjuvant therapy. Interestingly, four of the six hospitals involved in this study had a patient navigation system in place; however, as discussed, the navigation system alone was not enough to address the system failures that led to disparities in care.

Ansell et al. ²¹ also described a system-based approach to reducing the breast cancer mortality disparity in Chicago. The Metropolitan Chicago Breast Cancer Task Force comprised 102 individuals and 74 Chicago area organizations to address the growing disparity in breast cancer mortality between African American and white patients. The task force identified a number of themes underlying the disparity gap, including a need for breast cancer education and outreach programs for African American women, a broken mammography process leading to quality differences between African American and white patients, and a number of barriers to diagnosis and treatment, including fear, a lack of primary care, the burden of insurance copays/deductibles, and the noncompletion of treatment for social and economic reasons. After identifying these underlying causes, the task force proposed that addressing one aspect of the health care system would not correct the problem, but rather quality improvement initiatives would have to occur across the continuum of care for breast cancer.

In Delaware, such a broad system-based intervention was implemented to eliminate health disparities in colorectal cancer. ²² Delaware created a comprehensive statewide colorectal screening and treatment program, combining many of the interventions discussed previously, including insurance coverage, patient education and communication, and patient navigation, to address the entire health care system and its treatment of African Americans with colorectal cancer. The state also partnered with underserved community organizations to tailor programs locally and create targeted marketing campaigns.

The results of this system-based approach were impressive, with screening rates among African American increasing from 48% to 74% and equaling the rate among whites. In addition, among African American patients, the percentage diagnosed at advanced and regional stages declined from 79% to 40%, and the percentage diagnosed at a local stage increased from 16% to 50%. Most importantly, the mortality rate declined by 42% for African Americans, resulting in a rate almost equal to that among whites. Significantly, this program was also found to be economically viable, because the cost savings from reduced cancer incidence and the stage shift to cancers requiring less-aggressive treatment offset the program cost. As the authors concluded, this model of a comprehensive, system-wide approach to the racial mortality difference would lend itself to other cancers, and more research is needed to assess and build such an approach to breast cancer.