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Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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,...
Hypertension I: Introduction01:28

Hypertension I: Introduction

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,...
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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...
Factors affecting Blood pressure01:28

Factors affecting Blood pressure

Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
Hypertension IV: Drug Therapy and Lifestyle Modifications01:28

Hypertension IV: Drug Therapy and Lifestyle Modifications

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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Related Experiment Videos

Rural-Urban Differences in Hypertension Prevalence and Control in a Large Regional Health System Cohort.

Yordanos M Tiruneh1,2, Susan McBride1,3, Huaxin Song4

  • 1School of Medicine, The University of Texas at Tyler, Tyler, TX 75799, USA.

Journal of Clinical Medicine
|June 12, 2026
PubMed
Summary
This summary is machine-generated.

Hypertension is less common in rural areas, but control is worse in metropolitan regions. Black patients face higher uncontrolled hypertension rates across all settings, highlighting the need for targeted interventions.

Keywords:
Texasblood pressure controlcardiovascular disease preventionhypertensionrural healthrural–urban differences

Related Experiment Videos

Area of Science:

  • Cardiovascular Disease Epidemiology
  • Health Disparities Research
  • Rural Health Studies

Background:

  • Rural populations experience a significant burden of cardiovascular disease, with hypertension exacerbating the rural-urban health gap.
  • Hypertension prevalence and control are critical factors in understanding cardiovascular health disparities.
  • Northeast Texas serves as a key region for examining these rural-urban health differences.

Purpose of the Study:

  • To investigate hypertension prevalence and control across the rural-urban continuum in Northeast Texas.
  • To identify variations in hypertension management based on geographic location and demographic factors.
  • To inform targeted strategies for improving cardiovascular health in diverse populations.

Main Methods:

  • Analysis of electronic health records from 363,539 patients between September 2021 and April 2025.
  • Hypertension defined by ICD-10-CM codes, medication, or blood pressure readings (≥ 130/80 mm Hg).
  • Rurality classified using Rural-Urban Commuting Area (RUCA) codes; multivariable logistic regression used for analysis.

Main Results:

  • Micropolitan residents showed lower odds of hypertension compared to metropolitan residents (OR = 0.85).
  • Uncontrolled hypertension was more prevalent in metropolitan areas; isolated rural residents had lower prevalence (OR = 0.82).
  • Black patients consistently had higher rates of uncontrolled hypertension across all rural-urban categories; continuity of care impacted prevalence but not control.

Conclusions:

  • Hypertension prevalence and control differ significantly across the rural-urban spectrum in Northeast Texas.
  • Metropolitan and non-metropolitan residents exhibit distinct hypertension patterns, necessitating tailored approaches.
  • Persistent racial disparities in uncontrolled hypertension underscore the urgent need for targeted prevention and management strategies.