Claire Dawson
High blood pressure, or hypertension, is a common health problem that can lead to serious complications such as heart attacks, strokes, and even death if left untreated. While it often has no symptoms, it can cause damage to the body, earning it the nickname silent killer. Treatment for high blood pressure typically involves lifestyle changes and, if necessary, medication. However, treating high blood pressure in a hospital setting may do more harm than good, as some research suggests that addressing transient causes such as pain or anxiety may be more effective than immediate medical treatment.
| Characteristics | Values |
|---|---|
| Treatment approach | Conservative |
| Treatment for hypertensive crisis | Emergency room |
| Treatment for hypertensive urgency | Get numbers to a healthy range |
| Treatment for hypertensive emergency | Address signs of new or worsening organ damage |
| Treatment for asymptomatic hypertension | Oral therapy |
| Treatment for transient BP elevations | 30 minutes of rest |
| Treatment for labile blood pressure | Find and treat the underlying cause |
| Lifestyle changes | Limit alcohol, caffeine, and sodium intake; lose weight, get active, quit smoking |
| Medication | Water pills (diuretics), two or more blood pressure drugs |
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What You'll Learn
Treating the underlying cause
Treating high blood pressure in a hospital setting is a complex process that requires careful consideration of the patient's overall health and medical history. The underlying causes of high blood pressure can vary, and it's important to identify and address these root causes to effectively manage the condition. Here are some key approaches to treating the underlying causes of high blood pressure in a hospital context:
Identifying Underlying Health Issues
High blood pressure, or hypertension, can be a symptom of various health issues, including heart problems, hormonal imbalances, neurological issues, or psychological conditions. Conducting a comprehensive medical evaluation can help identify any underlying health problems contributing to the patient's high blood pressure. This may involve a range of diagnostic tests, physical examinations, and a review of the patient's medical history.
Lifestyle and Dietary Modifications
Lifestyle and dietary factors play a significant role in managing high blood pressure. Healthcare providers often recommend lifestyle changes as a first-line approach. This includes adopting a healthier diet, such as the DASH diet (Dietary Approaches to Stop Hypertension), which emphasizes fruits, vegetables, whole grains, lean proteins, and low-fat dairy products. Reducing sodium intake is particularly important, as excess sodium can increase blood pressure. Additionally, encouraging patients to engage in regular physical activity, manage stress, quit smoking, and limit alcohol consumption can positively impact blood pressure levels.
Medication Adjustments
In some cases, high blood pressure may be caused or exacerbated by certain medications. For example, immunosuppressants, NSAIDs, and oral contraceptives have been linked to secondary hypertension. Evaluating the patient's current medications and making adjustments, such as changing dosages or switching to alternative drugs, can help address this underlying cause.
Addressing Pain and Anxiety
Transient elevations in blood pressure can be caused by factors such as pain, agitation, anxiety, or fluid overload. Addressing and managing these issues can help stabilize blood pressure. This may involve administering pain medication, providing emotional support or counseling, or making environmental adjustments to reduce agitation and anxiety.
Treating Comorbidities
High blood pressure is often associated with other medical conditions, such as diabetes, kidney disease, or heart failure. Treating and managing these comorbidities can have a positive impact on blood pressure levels. This may include referring patients to specialists, initiating appropriate treatments, and providing patient education to improve overall health and well-being.
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Lifestyle changes
While in hospital, doctors may recommend a conservative approach to treating high blood pressure, focusing on addressing the causes of transient BP elevations such as pain, agitation, anxiety, or fluid overload, rather than reflexively treating the numbers. For example, 30 minutes of rest is recommended as a first-line therapy over medication.
However, if you are experiencing severe hypertension, oral therapy may be required, especially if you are at high risk of inpatient complications.
Outside of the hospital, there are several lifestyle changes you can make to help control and manage high blood pressure:
- Reduce salt intake: Consuming too much salt or sodium can lead to high blood pressure. While some people with high blood pressure may already be on a low-sodium diet, for many, dietary sodium intake is relatively high. A target of less than 1500 milligrams of sodium per day can be beneficial for many people, while others may benefit from less than 1000 milligrams per day.
- Drink less alcohol: Drinking too much alcohol can contribute to high blood pressure. It is recommended to avoid drinking more than 14 alcohol units per week on a regular basis.
- Reduce caffeine intake: Caffeine can elevate blood pressure. Drinks containing high levels of caffeine include coffee, tea, and cola.
- Healthy eating: In addition to reducing salt intake, adopting a generally healthy diet can help lower blood pressure.
- Exercise: Increasing physical activity can help to lower blood pressure and improve overall health.
- Lose weight: Being overweight can contribute to high blood pressure. Losing weight can help to reduce blood pressure and improve health.
- Stop smoking: Smoking can negatively impact blood pressure and overall health.
If lifestyle changes are not sufficient to manage high blood pressure, medication may be required.
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Oral therapy
Chlorthalidone and hydrochlorothiazide (Microzide) are commonly used diuretics for hypertension. However, it is important to note that increased urination is a common side effect of these medications, which can lead to reduced potassium levels. Maintaining a good balance of potassium is necessary for the heart to beat correctly. Therefore, healthcare providers carefully consider each patient's unique circumstances before recommending a specific type of diuretic.
In some cases, a combination of blood pressure medications may be more effective than a single drug. Finding the right medicine or combination of medicines can take time, and it is crucial to know your goal blood pressure level. For healthy adults under 65 with a 10% or higher risk of developing cardiovascular disease in the next ten years, the treatment goal is to maintain a blood pressure of less than 130/80 mm Hg.
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Intravenous therapy
Intravenous (IV) therapy is a treatment option for patients with hypertensive emergencies, which are defined as a BP >180/120 mm Hg and associated evidence of impending or progressive target organ damage. The goal of IV therapy is to reduce systolic blood pressure (BP) to <140 mm Hg, or <120 mm Hg in patients with aortic dissection. This gradual reduction to the patient's baseline "normal" BP typically occurs over the initial 24–48 hours if the patient is stable, with careful monitoring for signs or symptoms of deterioration in the end-organ system.
IV therapy is generally characterized by a short onset and offset of action, with predictable responses during dosage adjustments to reach BP goals without excessive fluctuation in BP. The selection of a specific agent is based on its pharmacology and patient-specific factors, such as comorbidity and the presence of end-organ damage. Nicardipine, nitroprusside, fenoldopam, nitroglycerin, enalaprilat, hydralazine, labetalol, esmolol, and phentolamine are examples of IV antihypertensive agents recommended for hypertensive emergencies.
It is important to note that intravenous therapy for hypertensive emergencies should be approached with caution. While it can be life-saving in certain situations, the rapid recognition and initiation of therapy are critical to minimizing end-organ damage. Additionally, IV fluids can also be used to treat dehydration, which is a simple and safe procedure for individuals who are sick, injured, or dehydrated from exercise or heat. However, if too much fluid is administered too quickly, it can lead to fluid overload, resulting in headaches, high blood pressure, and breathing difficulties.
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Monitoring
High blood pressure, or hypertension, is often referred to as a "silent killer" because there are usually no symptoms, and people may not realise they have it. However, there are some instances where people experience abrupt changes in blood pressure, which can be indicative of certain types of hypertension. These include:
- White-coat hypertension: BP is normal at home but elevated in a healthcare setting.
- Masked hypertension: BP is normal in a healthcare setting but elevated at home.
- Sustained hypertension: BP is elevated in healthcare settings and at home.
- Nocturnal hypertension: BP goes up when you sleep.
The only way to know if you have high blood pressure is to get your blood pressure checked. This involves inflating a band (cuff) around your upper arm and measuring the pressure in your blood vessels. Healthcare providers will take your blood pressure in both arms to diagnose a hypertensive crisis. They will also review your medical history, discuss any symptoms you have, and perform a physical exam.
Ambulatory blood pressure monitoring involves checking blood pressure at regular intervals over six or 24 hours. This can be done at home or in a healthcare setting, depending on the availability of the necessary devices.
If you experience sudden pain or discomfort in your chest, spreading to your arms, neck, jaw, stomach, or back, along with sweating, nausea, lightheadedness, or shortness of breath, you may be having a heart attack and should seek immediate medical attention.
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Frequently asked questions
High blood pressure, also called hypertension, is a common but treatable condition. It is often referred to as a "silent killer" because there are usually no symptoms, but damage is still occurring within the body.
The only way to know if you have high blood pressure is to get your blood pressure checked. You can do this by seeing a healthcare provider for a yearly check-up, even if you feel healthy.
Treatment for high blood pressure can include lifestyle changes, such as reducing salt and caffeine intake, and increasing physical activity. If lifestyle changes are not enough, your healthcare provider may recommend medication to lower your blood pressure.
Medications used to treat high blood pressure include water pills (diuretics), which help remove sodium and water from the body. The type of medication used depends on your overall health and how high your blood pressure is.
If your blood pressure surges to 180/120 mm Hg or higher, you should seek immediate medical attention as it could be a hypertensive crisis. Treatment for a hypertensive crisis happens in the emergency room.
