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Hypertension and Regulation of Blood Pressure01:18

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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
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Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
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Multiple classes of antihypertensive medications are employed in treating hypertension. The most commonly recommended first-line treatments include:Thiazide Diuretics, such as chlorthalidone, increase sodium and water excretion from the body, reducing blood volume and blood pressure.Angiotensin-converting enzyme inhibitors, like lisinopril, block the conversion of angiotensin I to II, a potent vasoconstrictor lowering blood pressure.Angiotensin II Receptor Blockers (ARBs) prevent angiotensin II...
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An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
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Depression increases the risk for uncontrolled hypertension.

Alberto Francisco Rubio-Guerra1, Leticia Rodriguez-Lopez, German Vargas-Ayala

  • 1Metabolic and Research Clinic, Hospital General de Ticomán SS DF and Mexican Group for Basic and Clinical Research in Internal Medicine, México DF, México.

Experimental and Clinical Cardiology
|December 3, 2013
PubMed
Summary

Depression significantly impacts blood pressure control in hypertensive patients. Screening for depression is a simple, cost-effective method to improve hypertension management and patient outcomes.

Keywords:
Blood pressure controlDepressionHypertension

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Area of Science:

  • Cardiology
  • Psychiatry
  • Clinical Medicine

Background:

  • Hypertension and depression share common pathophysiological pathways.
  • The interplay between these conditions can affect disease progression.

Purpose of the Study:

  • To investigate the influence of depression on blood pressure control in hypertensive individuals.
  • To determine if depression exacerbates hypertension management challenges.

Main Methods:

  • Forty hypertensive patients (excluding those on beta-blockers/central agents) monitored their blood pressure over three days.
  • The Zung Self-rating Depression Scale assessed depression levels.
  • Spearman correlation and relative risk (RR) analyzed the association between blood pressure and depression.

Main Results:

  • Depression was prevalent in 23 out of 40 hypertensive patients.
  • 21 of the depressed patients exhibited poor blood pressure control.
  • A significant positive correlation was observed between systolic/diastolic blood pressure and depression severity (r=0.713 and r=0.52, respectively).
  • The relative risk for uncontrolled hypertension in depressed patients was 15.5.

Conclusions:

  • Depression is frequently observed in patients with uncontrolled hypertension.
  • Depression may significantly hinder effective blood pressure management.
  • Routine depression screening in hypertensive patients is recommended for improved clinical outcomes.