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Hypertension IV: Drug Therapy and Lifestyle Modifications01:28

Hypertension IV: Drug Therapy and Lifestyle Modifications

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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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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

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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...
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Hypertension I: Introduction01:28

Hypertension I: Introduction

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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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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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Hypertension II: Pathophysiology01:29

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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 V: Nursing Management01:23

Hypertension V: Nursing Management

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The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
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Digital therapeutics for essential hypertension using a smartphone application: A randomized, open-label, multicenter

Kazuomi Kario1, Akihiro Nomura2,3,4, Ayaka Kato2,5

  • 1Division of Cardiovascular Medicine, Department of Medicine, School of Medicine, Jichi Medical University, Tochigi, Japan.

Journal of Clinical Hypertension (Greenwich, Conn.)
|January 23, 2021
PubMed
Summary

The HERB digital system did not significantly improve blood pressure control in hypertensive patients. However, it showed potential benefits for younger, drug-naïve individuals, suggesting a targeted approach for future research.

Keywords:
ambulatory blood pressure monitoringdigital therapeutichome blood pressure monitoringhypertensionlifestyle modificationmobile application

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Area of Science:

  • Cardiovascular Medicine
  • Digital Therapeutics
  • Hypertension Management

Background:

  • Hypertension is a major, treatable risk factor for cardiovascular disease.
  • Current treatments including medications and lifestyle changes show poor real-world blood pressure control rates.
  • Novel digital therapeutic systems are being explored to improve hypertension management.

Purpose of the Study:

  • To assess the safety and efficacy of the HERB software system for managing hypertension.
  • To evaluate the HERB system's impact on 24-hour systolic blood pressure (SBP) in hypertensive patients.

Main Methods:

  • A randomized pilot study involving 146 patients with essential hypertension.
  • Intervention group received the HERB system plus standard lifestyle modification.
  • Control group received standard lifestyle modification alone.
  • Primary outcome: mean change in 24-hour SBP measured by ambulatory blood pressure monitoring (ABPM) at 24 weeks.

Main Results:

  • The HERB intervention did not significantly lower mean 24-hour SBP compared to controls at 24 weeks (-0.66 mmHg, p=0.78).
  • Exploratory analysis revealed significant SBP reduction in antihypertensive drug-naïve patients aged <65 at 16 weeks (-7.6 mmHg, p=0.013).
  • This subgroup also showed reduced morning home SBP at 24 weeks (-6.0 mmHg, p=0.012).

Conclusions:

  • The HERB intervention did not meet its primary efficacy endpoint in the overall study population.
  • Antihypertensive drug-naïve patients under 65 years may represent a specific population where the HERB system is effective.
  • Further investigation into the HERB system's efficacy in this targeted subgroup is warranted.