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Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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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 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 I: Introduction01:28

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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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Drug Dosing: Obese Patients01:21

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In the United States, obesity is a prominent concern. It is linked to heightened mortality rates due to increased occurrences of conditions such as hypertension, atherosclerosis, coronary artery disease, and diabetes compared to nonobese individuals. A patient is classified as obese if their actual body weight surpasses the ideal or desirable body weight by 20%, based on Metropolitan Life Insurance Company data. Ideal body weights consider average weights and heights for males and females...
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Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

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Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
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Multidisciplinary Approach to Obesity Management: A Case Report
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Obesity and hypertension.

Gino Seravalle1, Guido Grassi2

  • 1Cardiology Department, S. Luca Hospital, Istituto Auxologico Italiano IRCCS, Milan, Italy.

Pharmacological Research
|May 24, 2017
PubMed
Summary
This summary is machine-generated.

Obesity, especially visceral fat, triggers hormonal and inflammatory changes that increase hypertension risk and cardiovascular disease. This review explores obesity-related hypertension mechanisms, target organ damage, and effective treatments.

Keywords:
Cardiovascular riskHypertensionPathophysiological mechanismsTarget organ damageTreatmentVisceral fat distribution

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Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Nephrology

Background:

  • Obesity, particularly visceral fat accumulation, is linked to hormonal, inflammatory, and endothelial dysfunction.
  • These alterations contribute to the development of hypertension and increased cardiovascular morbidity.

Purpose of the Study:

  • To examine the mechanisms underlying obesity-related hypertension.
  • To explore the role of the sympathetic nervous system, renal function, and microvascular alterations.
  • To discuss insulin resistance as a potentiating factor.

Main Methods:

  • Review of existing literature on obesity, hypertension, and cardiovascular disease.
  • Analysis of the interplay between metabolic, hormonal, and vascular factors.
  • Examination of target organ damage and therapeutic strategies.

Main Results:

  • Obesity activates multiple pathways, including sympathetic nervous system overactivity and renal dysfunction, contributing to hypertension.
  • Insulin resistance exacerbates these mechanisms, increasing cardiovascular risk.
  • Significant target organ damage occurs in obesity-related hypertension.

Conclusions:

  • Understanding the multifactorial mechanisms of obesity-related hypertension is crucial for effective management.
  • Targeted interventions addressing hormonal, inflammatory, and metabolic factors are essential.
  • Effective antihypertensive therapies are available for obese hypertensive patients.