Practical Approaches to Managing Hypertension
Importance of a Practical Approach
Effectively treating and monitoring hypertension is crucial for optimal management of this widespread condition. To aid prescribers, the BEGIN algorithm has been developed, which supports the initiation of hypertensive therapy and promotes safe medication use among older adults with hypertension.
Hypertension Statistics
By 2025, it is estimated that 1.56 billion people globally will be living with hypertension, a condition characterized by elevated blood pressure against the artery walls. Although symptoms such as light headaches, dizziness, and frequent nosebleeds may occur, they are rare. Untreated hypertension can lead to severe health issues, including stroke and cardiovascular disease.
Utilizing the BEGIN Algorithm
The BEGIN algorithm integrates geriatric and pharmacy expertise to assist prescribers in deciding when to start pharmacological therapy for hypertension. Treatment is necessary to prevent severe progression of the condition, often involving the use of antihypertensive drugs.
Effective Drug Classes
Research indicates that calcium-channel blockers and ACE inhibitors are the most effective classes of medications for lowering blood pressure. While beta-blockers are not typically the first line of treatment, they may be prescribed for patients with existing cardiovascular conditions.
Key Prescribing Strategies
A critical approach in prescribing for older adults is the principle of “start low, go slow.” Antihypertensive usage is prevalent, and treatment guidelines differ significantly across countries regarding whom to treat, when to initiate treatment, and which drug classes to prescribe.
Determining Treatment Pathways
Challenges in Treatment Decisions
Making informed decisions about when to prescribe medication and how to address other health conditions in older hypertensive patients requires careful consideration. Numerous randomized trials have explored optimal hypertension management, revealing that lowering blood pressure in older adults can significantly reduce cardiovascular disease risk and mortality.
International Guidelines
Over the past 35 years, international hypertension guidelines have evolved. In Europe, pharmacological treatment is advised when systolic blood pressure (SBP) exceeds 160 mmHg, whereas American guidelines suggest initiating treatment at an SBP over 150 mmHg. Evidence shows that reducing SBP by 10 mmHg or diastolic blood pressure (DBP) by 5 mmHg decreases the relative risk of cardiovascular events and stroke.
Personalized Blood Pressure Targets
The ideal blood pressure target for adults aged 65 and older should be determined based on individual therapeutic benefits and patient tolerance. Although intensive blood pressure reduction is beneficial, the specific target remains a topic of ongoing research.
Complexities in Managing Hypertension in Older Adults
Multimorbidity Considerations
Managing hypertension in older adults is complicated due to the presence of multiple comorbidities. Frailty, orthostatic hypotension, falls, and cognitive impairments are significant considerations in treatment strategies. Although several randomized trials have evaluated antihypertensive medications in older populations, limited evidence supports a multimorbidity management framework.
Risks of Polypharmacy
Polypharmacy—prescribing multiple medications for a single condition—has been linked to adverse health outcomes, such as increased falls, heart failure, elevated blood pressure, and higher mortality rates. Therefore, it is essential to weigh patient healthcare goals against the risk-to-benefit profile of medications.
Role of Clinical Experts
Clinical professionals specializing in geriatrics or general practice are best positioned to create holistic and individualized care plans for older patients. While managing hypertension is vital, it is equally important to consider how treatment may impact other health conditions.
Addressing Common Conditions in Older Adults
Frailty and Orthostatic Hypotension
Frailty, characterized by heightened vulnerability to physical stressors, is a common condition among the elderly. Studies indicate that managing blood pressure can pose potential risks for frail older adults. Orthostatic hypotension (OH), marked by a significant drop in blood pressure upon standing, can lead to dizziness and falls, necessitating careful medication management.
Medication Selection for Older Adults
Certain antihypertensive medications, particularly renin-angiotensin system blockers and specific calcium channel blockers, are less likely to cause OH and are preferred for managing blood pressure in older patients. Uncontrolled OH significantly increases the risk of falls, making careful management critical.
Dementia Considerations
Dementia, another prevalent condition in older populations, complicates the prescription of antihypertensive therapy. Older adults with dementia face higher risks of OH, polypharmacy, and frailty, requiring cautious treatment approaches. Further clinical trials are needed to assess the benefits of hypertension treatment in this demographic.
Collaborative Decision Making
Shared Decision-Making Framework
Using clinical evidence alongside patient preferences fosters shared decision-making between patients and clinicians regarding tests, treatments, and management strategies for hypertension. Although more research is necessary to establish optimal blood pressure targets, incorporating the BEGIN algorithm and multimorbidity considerations can help practitioners make informed decisions for treating and monitoring hypertension in older adults.
References
Parekh, N., Page, A., Ali, K., Davies, K., & Rajkumar, C. (2017). Practical Approach to the Pharmacological Management of Hypertension in Older People. Therapeutic Advances in Drug Safety, 8(4), 117–132.
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