Longitudinal, multidisciplinary, resident-driven intervention to increase immunisation rates for Medicaid, low-income and uninsured patients

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INTRODUCTION: More payers are closely linking reimbursement to high-value care outcomes such as immunisation rates. Despite this, there remain high rates of pneumonia and influenza-related hospitalisations generating hospital expenditures as high as $11 000 per hospitalisation. Vaccinating the public is an integral part of preventing poor health and utilisation outcomes and is particularly relevant to high-risk patients. As part of a multidisciplinary effort between family and internal medicine residency programmes, our goal was to improve vaccination rates to an average of 76% of eligible Medicaid, low-income and uninsured (MLIU) patients at an academic primary care practice. METHODS: The quality improvement project was completed over 3 months by three primary care resident groups. The setting was a suburban academic primary care practice and eligible patients were 18 years of age or older. Our aim was to increase immunisation rates of pneumococcal, influenza, varicella, herpes zoster virus and tetanus and diphtheria vaccination. There were 1690 patients eligible for the vaccination composite metric. Data were derived from the electronic health record and administrative data. INTERVENTIONS: Cohort 1 developed an initial intervention that consisted of a vaccine questionnaire for patients to complete while in the waiting room. Cohort 2 modified questionnaire after reviewing results from initial intervention. Cohort 3 recommended elimination of questionnaire and implementation of a bundled intervention approach. RESULTS: There were minimal improvements in patient immunisation rates after using a patient-directed paper questionnaire. After implementation of multiple interventions via an improvement bundle, there were improvements in immunisation rates which were sustained and the result of special cause variation. CONCLUSION: A key to improving immunisation rates for MLIU patients in this clinic was developing relationships with faculty and staff stakeholders. We received feedback from all the medical staff and then applied it to the interventions and made an impact in the average of vaccinations.

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