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CoCo trial: Color-coded blood pressure Control, a randomized controlled study

Corinne Chmiel1, Oliver Senn1, Thomas Rosemann1

  • 1Institute of General Practice and Health Services Research, University of Zurich, Zürich, Switzerland.

Patient Preference and Adherence
|October 28, 2014
PubMed

Insights

A color-coded blood pressure (BP) booklet significantly improved BP control in patients with hypertension. This simple tool, used for home BP monitoring, led to better treatment goal achievement compared to standard booklets.

Area of Science:

  • Cardiovascular Medicine
  • Primary Care
  • Health Behavior

Background:

  • Inadequate blood pressure (BP) control is a common issue in general practice.
  • Home BP measurement is crucial for managing hypertension.
  • Standard BP monitoring may not be sufficient for all patients.

Purpose of the Study:

  • To evaluate if a color-coded BP booklet improves BP control.
  • To assess the impact on adherence to home BP measurement.
  • To determine the effectiveness in a primary care setting.

Main Methods:

  • A randomized controlled trial involving adult patients with elevated BP.
  • Intervention group used a color-coded BP booklet; control group used a standard booklet.
  • Outcomes measured included BP changes, BP control, and adherence after 6 months.

Main Results:

  • BP control (target <140/90 mmHg) was achieved significantly more often in the intervention group (43% vs. 25%).
  • The number needed to treat for improved BP control was 5.
  • No significant difference in BP reduction was observed between groups, though adherence showed a trend favoring the intervention.

Conclusions:

  • Color-coded BP self-monitoring significantly enhances BP control in hypertensive patients.
  • This user-friendly, inexpensive method is applicable in primary care.
  • Implementation in routine care for hypertension management is recommended.
Abstract

Keywords:
general practitionerhigh blood pressurehome blood pressure measurementhypertensionnumber needed to treatprimary care

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