Multi-Method Health System Quality Improvement Intervention to Reduce Hypertension Disparities

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

66570 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-04-30

Study Completion Date

2015-04-30

Brief Summary

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The investigators have designed a three-part quality improvement intervention to 1) improve the clinic-based measurement of blood pressure, 2) introduce a care management system to promote self-management behaviors and rapidly titrate medications by algorithms developed in accord with guidelines and 3) introduce an interactive, needs-based, longitudinal-provider education system that promotes patient-centered care and provides practical examples of patient-provider communication strategies. The intervention will occur at six clinics within the metropolitan area of Baltimore, Maryland. The investigators will also describe clinic and health system characteristics and measure their association with implementation (uptake), success (improvements in blood pressure control and reductions in racial disparities), and sustainability of the three-part intervention over 12 -24 months.

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Detailed Description

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Hypertension is common in the US. From efficacy and observational studies, we know that achieving blood pressure control can reduce morbidity and mortality. However, less than one-third of persons with hypertension achieve control as defined by national guidelines. Furthermore, racial disparities in hypertension have been clearly documented with African American patients being less likely than Caucasians to achieve adequate control. The objective of this study is to study the implementation of a multi-method quality improvement intervention in a pragmatic clinical trial. Six clinic sites within the Johns Hopkins Community Physicians (JHCP) healthcare system have been selected for participation in this study. The sites are located within the metropolitan ara of Baltimore, Maryland, yet differ greatly. We will define the context and local characteristics of each study site and determine which characteristics are associated with blood pressure control and racial disparity at the clinic (micro-system) and health system (macro-system)level. We will deploy a three-part quality improvement intervention to 1) improve the clinic-based measurement of blood pressure, 2) introduce a care management system to promote patients' self-management behaviors and rapidly titrate medications by algorithms developed in accord with guidelines and 3) introduce an interactive, needs-based, longitudinal-provider education system that promotes patient-centered care and provides practical examples of patient-provider communication strategies. Using statistical process control charting, we will determine the stability of blood pressure control in the system prior to intervention and after the introduction of each intervention. We will vary the order of the interventions among the six clinical sites to determine if each intervention is independently effective in each local context and if the effect is repeatable in other contextual situations within the same macro-system. In addition, we will study the organizational characteristics and features of the local context that are associated with implementation, uptake of the interventions and success of each intervention in achieving blood pressure control and reducing racial disparities in blood pressure control at the clinic level .

Conditions

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Hypertension

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Behavioral: Improve clinic based measurement of blood pressur

Group Type EXPERIMENTAL

Improve clinic based measurement of blood pressure

Intervention Type BEHAVIORAL

This intervention seeks to improve BP control and reduce disparities through an organizational change and new skills development. To improve the reliability of BP measurement in clinics, new automated BP machines (Omron HEM-907XL) will be provided for each PCP. Medical assistants will be trained and certified in the proper use of the Omron machine by a master trainer. The will be trained to measure the arm circumference, choose the appropriate cuff and place it properly on the arm. They will be recertified yearly. Once activated, the Omron HEM-907XL will lead measurement for 5 minutes then perform a series of 3 BP measurements spaced by 30 seconds and present the man of these 3 measurements. The mean will be record in the electronic medical records.

Behavioral: Provider education system to promote patient-cent

Group Type EXPERIMENTAL

Provider education system to promote patient-centered care

Intervention Type BEHAVIORAL

The provider education intervention will address blood pressure control and disparities through audit and feedback. The intervention includes a hypertension dashboard and a linked provider-tailored education intervention. The latter aims to enhance provider communication skills during clinical encounters with hypertension patients, via teaching specific verbal behaviors with practice implications related to elicitation of hypertension treatment and adherence concerns. The dashboard is a web based tool linked to the electronic medical records that imports clinic measurements of BP and offers PCPs a quick assessment of the percentage of those achieving blood pressure control and receiving guideline-concordant care in their panel, clinic, and system overall and by patient race/ethnicity.

Behavioral: Introduce care management system in clinics

Group Type EXPERIMENTAL

Introduce care management system in clinics

Intervention Type BEHAVIORAL

The care management (CM) intervention will address blood pressure management and disparities through patient education, promotion of self-management, and the introduction of an organizational change through the addition of new team members. The CM team will contact patients with a BP of ≥140/≥90 (≥130/≥80 for patients with diabetes mellitus or chronic kidney disease) as identified through the electronic medical records for enrollment in care management services. Patients with a BP in these ranges will be referred to a CM program that emphasizes four key self-management behaviors: diet, physical activity, medication adherence, and self-monitoring. The self-management promotion program will consist of 3 one-on-one sessions either with a Pharm D. or R.D. over the course of 3 months.

Interventions

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Improve clinic based measurement of blood pressure

This intervention seeks to improve BP control and reduce disparities through an organizational change and new skills development. To improve the reliability of BP measurement in clinics, new automated BP machines (Omron HEM-907XL) will be provided for each PCP. Medical assistants will be trained and certified in the proper use of the Omron machine by a master trainer. The will be trained to measure the arm circumference, choose the appropriate cuff and place it properly on the arm. They will be recertified yearly. Once activated, the Omron HEM-907XL will lead measurement for 5 minutes then perform a series of 3 BP measurements spaced by 30 seconds and present the man of these 3 measurements. The mean will be record in the electronic medical records.

Intervention Type BEHAVIORAL

Provider education system to promote patient-centered care

The provider education intervention will address blood pressure control and disparities through audit and feedback. The intervention includes a hypertension dashboard and a linked provider-tailored education intervention. The latter aims to enhance provider communication skills during clinical encounters with hypertension patients, via teaching specific verbal behaviors with practice implications related to elicitation of hypertension treatment and adherence concerns. The dashboard is a web based tool linked to the electronic medical records that imports clinic measurements of BP and offers PCPs a quick assessment of the percentage of those achieving blood pressure control and receiving guideline-concordant care in their panel, clinic, and system overall and by patient race/ethnicity.

Intervention Type BEHAVIORAL

Introduce care management system in clinics

The care management (CM) intervention will address blood pressure management and disparities through patient education, promotion of self-management, and the introduction of an organizational change through the addition of new team members. The CM team will contact patients with a BP of ≥140/≥90 (≥130/≥80 for patients with diabetes mellitus or chronic kidney disease) as identified through the electronic medical records for enrollment in care management services. Patients with a BP in these ranges will be referred to a CM program that emphasizes four key self-management behaviors: diet, physical activity, medication adherence, and self-monitoring. The self-management promotion program will consist of 3 one-on-one sessions either with a Pharm D. or R.D. over the course of 3 months.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

Inclusion Criteria: patients with an ICD9 diagnosis of hypertension or a BP \>=120/\>=80 who have not been seen in the last 12 months and any patient with their most recent BP \>=140/\>=90 or \>=130/\>=80 if they have diabetes mellitus or chronic kidney disease

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No