Related Experiment Videos
The burden of uncontrolled hypertension: morbidity and mortality associated with disease progression
1Department of Preventive Medicine, University of Tennessee College of Medicine, Memphis, TN 38104, USA. wcushman@pol.net
Insights
Elevated blood pressure increases hypertension risk and organ damage. Combination therapy effectively lowers blood pressure and protects against target organ damage by addressing multiple pathological mechanisms.
Area of Science:
- Cardiovascular Medicine
- Nephrology
- Endocrinology
Background:
- Even minor elevations above optimal blood pressure (<120/80 mm Hg) elevate hypertension risk (>or=140/90 mm Hg) and target organ damage.
- Historically, diastolic pressure was the focus; however, systolic hypertension, pulse pressure, and nocturnal blood pressure changes are now recognized as critical.
- Primary hypertension results from complex genetic, environmental, metabolic, vascular, and endothelial factors.
Purpose of the Study:
- To highlight the multifaceted nature of hypertension and its management.
- To emphasize the importance of comprehensive treatment strategies beyond solely lowering diastolic blood pressure.
- To underscore the benefits of combination therapy in achieving blood pressure goals and preventing complications.
Main Methods:
- Review of current understanding of hypertension pathophysiology.
- Analysis of treatment strategies, including lifestyle interventions and pharmacotherapy.
- Evaluation of the role of systolic pressure, pulse pressure, and nocturnal blood pressure patterns.
Main Results:
- Hypertension is linked to target organ damage in the heart, kidneys, brain, and eyes, leading to poorer prognosis.
- Intensive lifestyle interventions are beneficial for patients with high-normal blood pressure, especially those with cardiovascular risk factors.
- Combination antihypertensive therapy, using multiple drug classes, improves blood pressure normalization rates and offers enhanced protection against target organ damage.
Conclusions:
- Hypertension management requires addressing its complex etiology and diverse contributing factors.
- Combination antihypertensive therapy is often necessary to achieve target blood pressure goals and mitigate cardiovascular and renal complications.
- Targeting separate pathological mechanisms through combination therapy provides superior protection against target organ damage compared to monotherapy.
Abstract:
Even small elevations above optimal blood pressure values (<120/80 mm Hg) increase the likelihood of developing hypertension (blood pressure >or=140/90 mm Hg) and incurring target organ damage. Until recently, the main emphasis in hypertension treatment had been lowering diastolic blood pressure; however, in the past decade, the important contributions of systolic hypertension, increased pulse pressure, and a blunted reduction in nocturnal blood pressure have been described. Primary hypertension arises from complex, interrelated pathologies. Among the contributors are genetic, environmental, metabolic, vascular, and endothelial factors. Signs of target organ damage herald a poorer prognosis and may present in the heart, blood vessels, kidneys, brain, or eyes. Later consequences include cardiac, cerebrovascular, vascular, and renal morbidities and death. The goal in treating hypertension is to prevent cardiovascular and renal complications. Thus, hypertensive patients with high-normal blood pressure values may benefit from intensive lifestyle interventions to further reduce blood pressure. This is particularly true in patients with additional cardiovascular risk factors. Because of the complex nature of hypertension, it is not surprising that single antihypertensive agents normalize blood pressure for less than a majority of hypertensive patients. Using combination antihypertensive therapy consisting of agents from two or more different antihypertensive drug classes not only increases the likelihood of achieving the target blood pressure goal, but also offers the potential for greater protection against target organ damage by targeting separate pathologic mechanisms.
Related Concept Videos
Hypertension and Regulation of Blood Pressure
Hypertension II: Pathophysiology
Hypertension I: Introduction
Hypertension III: Clinical Manifestations and Diagnostic Studies
Hypertension V: Nursing Management
Chronic Kidney Disease I: Introduction