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[Severe hypertension: definition and patients profiles]
1Service de médecine interne et unité HTA, CHU Avicenne, AP-HP, 93000 Bobigny, France. jean-jacques.mourad@avc.aphp.fr
Insights
Severe hypertension, defined differently medically and socially, impacts 10% of patients. This condition increases cardiovascular risks and healthcare costs, particularly for vulnerable populations.
Area of Science:
- Cardiology
- Public Health
- Health Economics
Context:
- Severe arterial hypertension presents heterogeneous clinical definitions and patient profiles.
- Historically in France, severe hypertension included chronic conditions with organ damage requiring triple therapy, distinct from acute Grade 3 hypertension.
- An estimated 10% of hypertensive patients, approximately 50,000 annually, experience severe forms.
Purpose:
- To clarify the varied definitions and implications of severe arterial hypertension.
- To highlight the increased cardiovascular morbidity and healthcare utilization associated with severe hypertension.
- To explain the socioeconomic factors influencing the incidence and management of severe hypertension.
Summary:
- Severe hypertension encompasses both acute, very high blood pressure (Grade 3) and chronic conditions with target organ damage under specific therapeutic regimens.
- Patients with severe hypertension exhibit elevated cardiovascular risks, necessitating closer medical supervision and leading to higher care costs.
- The higher incidence in lower socioeconomic groups and economically fragile individuals historically justified social security coverage for associated costs in France.
Impact:
- Understanding the heterogeneity of severe hypertension is crucial for accurate diagnosis and management.
- The increased cardiovascular morbidity underscores the need for proactive monitoring and intervention strategies.
- The socioeconomic gradient in severe hypertension incidence highlights the importance of health equity and targeted public health initiatives.
Abstract:
Severe arterial hypertension gathers relatively different clinical situations explained by the heterogeneity of the definitions of this clinical setting. From a medical point of view, severe hypertension is a short course situation defined by very high values of blood pressure corresponding to grade 3 hypertension. In France, until 2011, the social security also included in the definition of severe HTA chronic situations characterized by moderate blood pressure values requiring at least triple anthihypertensive therapies associated with a clinical or infraclinical target organ damages. These clinical profiles, much more frequent than grade 3 hypertension, allowed the full reimbursement of care costs for these patients. In France, it is estimated that 10% of hypertensive patients present a severe form with an annual incidence of 50,000 patients. The patients with severe hypertension have an increased cardiovascular morbidity justifying a closer clinical monitoring. From an economic point of view, these severe forms of hypertension have a higher cost of care, explained primarily by a more frequent need of specialized referrals, radiological exams and hospitalizations. This excess cost justified the existence of a full coverage of induced costs by the social security, since the incidence of severe hypertension is more frequent in the low social categories, and in patients with economic fragility.
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