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Simple, shared guidelines raise the quality of antihypertensive treatment in routine care
Fausto Avanzini1, Alessandra Corsetti, Teresa Maglione
1Cardiovascular Research Departement, Istituto di Ricerche Farmacologiche Mario Negri, Milano, Italy. avanzini@marionegri.it
Insights
Simple, evidence-based guidelines improved hypertension treatment. Physicians using these guidelines increased effective drug use and improved blood pressure control in patients. This strategy enhances routine antihypertensive therapy quality.
Area of Science:
- Cardiology
- General Practice
- Evidence-Based Medicine
Background:
- Optimizing antihypertensive drug selection is crucial for routine patient care.
- Current practices may not consistently utilize evidence-based recommendations.
Purpose of the Study:
- To evaluate the impact of collectively produced, simple, evidence-based guidelines on antihypertensive drug choice.
- To assess improvements in routine hypertension management.
Main Methods:
- A 1-year intervention study involving 48 physicians and 1049 hypertensive patients using new guidelines.
- A control group of 42 physicians and 722 patients followed standard care.
Main Results:
- Intervention group saw increased use of diuretics and beta-blockers.
- Proportion of patients on indicated drugs rose from 66.1% to 73.0%.
- Blood pressure control improved significantly in the intervention group (systolic <140 mmHg: 23.3% to 39.5%; diastolic <90 mmHg: 65.4% to 87.4%).
Conclusions:
- Collaborative development of simple, evidence-based guidelines effectively enhances antihypertensive therapy quality.
- This strategy improves drug selection, adherence, and blood pressure control in primary care settings.
Aims:
To assess the impact of simple, collectively produced, evidence-based guidelines on optimizing the choice of antihypertensive drugs in routine care.
Methods And Results:
Forty-eight physicians agreed to produce and test these guidelines for 1 year in their daily practice on a random sample of 1049 treated hypertensive patients (intervention group). A control group of 42 general practitioners recruited and followed up for 1 year a parallel nonintervention cohort of 722 treated hypertensive patients. After 1 year of follow-up, the patients in the nonintervention group had no changes in any of the predefined end points. In the intervention group, the use of diuretics and beta-blockers--drugs with documented preventive efficacy--increased, respectively, from 48.3% to 57.6% and from 22.0% to 29.7%; and the proportion of hypertensive patients receiving indicated drugs (with no contraindications) rose from 66.1% to 73.0%. The prescription of poorly tolerated drugs decreased from 12.4% to 7.2%, and noncompliance with the antihypertensive therapy decreased from 5.2% to 3.8%. In the intervention group, both systolic and diastolic blood pressure control improved (systolic pressure <140 mm Hg, from 23.3% to 39.5%; diastolic pressure <90 mm Hg, from 65.4% to 87.4%).
Conclusions:
An intervention strategy based on the collaborative production of simple evidence-based guidelines appears to be effective in raising the quality of antihypertensive therapy in routine care.
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