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Hypertension

hypertension symptoms

Hypertension is a systemic disease consisting of a persistent increase in blood pressure above 140/90 mm Hg.Art.

Causes of hypertension

In clinical cardiology, hypertension is classified as primary, which occurs as an independent disease, and secondary, which develops as a complication of other pathologies.

The causes of primary hypertension may be the following factors:

  • dysregulation of vascular pressure;
  • excessive cardiogenic reactivity (sudden change in blood pressure against the background of external stimuli);
  • increased arteriolar tone;
  • interruption of the sodium excretion process through the urinary system.

Secondary hypertension develops as a complication in certain pathologies, including:

  • Diseases of the kidneys and adrenal glands - chronic glomerulonephritis, pyelonephritis, tumors of the kidneys and adrenal glands, obstruction of the renal artery, etc.These diseases lead to inhibition of the intensity of blood circulation in the kidneys, as a result of which the organs secrete a substance to compensate for the pathological condition.
  • Endocrinological diseases - diabetes mellitus, hyperthyroidism, myxedema, tumors, metabolic disorders, hormonal imbalance, etc.
  • Cardiovascular pathologies - atherosclerotic narrowing of blood vessels, aortic lumen, valve defects, etc.

In addition, provoking factors such as:

  • diet with excessive consumption of fats, salt, sugar and insufficient amounts of vegetable products on the menu;
  • age over 55 years;
  • hereditary predisposition;
  • physical inactivity;
  • smoking, alcohol abuse;
  • chronic stress.

Hypertension can also develop while taking certain medications (glucocorticosteroids, anabolic steroids, antidepressants).

Types of disease

Depending on the cause and nature of the injury, the following are distinguished:

  • primary hypertension;
  • hypertensive disease with primary damage to the heart;
  • hypertension with predominant kidney damage;
  • arterial hypertension with predominant damage to the heart and kidneys;
  • secondary hypertension.

Taking into account the degree of influence of pathology on internal organs, the following is diagnosed:

  • Stage I (without complications) - there is no damage to target organs, but there is a persistent increase in blood pressure;
  • Stage II (asymptomatic) - characterized by lesions in target organs, but without signs of the pathological process;
  • III - organ damage occurs, accompanied by severe clinical symptoms.

According to severity, hypertension is classified into:

  • mild - increased blood pressure in the range of 140/90-159/99 mm Hg.Art.;
  • moderate - indicators in the range of 160/100-179/109 mm Hg.Art.;
  • severe - blood pressure greater than 180/110 mm Hg.Art.

Isolated hypertension is also distinguished, the peculiarity of which is the increase only in systolic pressure.

Symptoms

The clinical manifestations of hypertension depend on the cause of the pathology and the degree of increase in blood pressure.In the initial stages, the disease can be asymptomatic, so patients complain of:

  • headache, dizziness;
  • noise, ringing in the ears;
  • the appearance of “flies” and spots before the eyes;
  • sensation of active heartbeat, pulsation in the temples, back of the neck;
  • facial redness;
  • intense pain in the heart region;
  • shortness of breathe;
  • swelling of the face, hands;
  • excessive sweating;
  • loss of appetite, nausea.

Other manifestations depend on the form and presence of complications of hypertension.This may include blurred vision, tremors, numbness in limbs, impaired coordination, fine motor skills, etc.

Often, with a long course of the disease, the patient is initially bothered by the above symptoms, but then they disappear.This is due to the fact that the receptors lose sensitivity and the body adapts to the increase in blood pressure parameters.However, it is necessary to regularly measure blood pressure, record the indicators and follow medical recommendations.

Possible complications of hypertension

In advanced forms of the disease, complications such as:

  • hypertensive crisis;
  • stroke;
  • myocardial infarction;
  • encephalopathy (decreased cognitive abilities with subsequent development of vascular dementia);
  • chronic renal heart failure;
  • atherosclerosis;
  • aortic aneurysm dissection;
  • hypertensive retinopathy (damage to the retina);
  • nephrosclerosis (mainly shriveled kidney).

The risk of complications depends on the combination of several provoking factors, but even a slight increase in blood pressure can have negative consequences.

Diagnosis of the disease

If symptoms of hypertension appear, you should consult a doctor or cardiologist.During the consultation, the doctor asks about the complaints, their characteristics, and also studies the medical history in detail to identify factors in the development of the disease.After that, the specialist performs an examination, including a general examination, auscultation, percussion, palpation, measuring heart rate and blood pressure. 

To confirm the diagnosis, at least 3 isolated blood pressure measurements (on different days in a medical center) or ABPM data (24-hour blood pressure monitoring) are required. 

As part of the initial diagnosis, the patient is prescribed:

  • clinical analysis of blood, urine;
  • blood test to check the content of hormones and glycated hemoglobin.

To clarify the provoking factors and detect pre-existing pathological processes, the patient can be subjected to the following diagnostic methods:

  • electrocardiography;
  • echocardiography;
  • duplex ultrasound examination of the brachiocephalic, renal and iliofemoral arteries;
  • Ultrasound of the heart, urinary system;
  • ophthalmological examination.

Depending on the causes of the disease, the general practitioner may refer the patient for further treatment and diagnostic measures to a cardiologist, endocrinologist, nephrologist, neurologist or ophthalmologist.

Treatment of hypertension

The goal of treating hypertension is to normalize heart function, eliminate symptoms of the disease and prevent the development of complications.The treatment regimen is selected individually.

Non-drug therapy

It implies a change in lifestyle.To do this you need:

  • regularly practice therapeutic exercises;
  • control weight;
  • give up bad habits and coffee drinks;
  • exclude fatty, spicy, canned foods, fast food and confectionery products from the diet;
  • minimize salt and sugar consumption;
  • eat more seasonal vegetables, fruits, fish and low-fat dairy products;
  • normalize the drinking regime (the daily volume of liquid should be 1-1.5 liters).

Drug therapy

Several groups of medications are used to treat hypertension:

  • diuretics;
  • beta blocker medications;
  • angiotensin-converting enzyme inhibitors;
  • antagonists of calcium channels, as well as angiotensin II receptors;
  • centrally acting substances. 

According to the indications, renin inhibitors, vasodilators, lipid-lowering drugs, sedatives, etc. may be prescribed.Specific medications, dosage and frequency of administration are determined by the doctor.

Prevention of hypertension

There is no specific prevention of the disease.To minimize the risk of developing hypertension and dangerous complications, it is necessary to follow a set of general preventive measures:

  • maintain ideal body weight;
  • exercise regularly;
  • adhere to dietary nutrition;
  • give up bad habits;
  • promptly treat endocrine, nephrological and cardiac diseases;
  • minimize stressful situations;
  • control blood pressure levels.

It is also important to have regular preventive exams and follow all medical recommendations.If your blood pressure increases, you should make an appointment with your doctor.

In a multidisciplinary medical center you can get advice from highly qualified specialists.Experienced therapists and cardiologists will prescribe the necessary examinations and select effective treatment for each patient.