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Obesity

Obesity

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 adipocytes...

Hypertension II: Pathophysiology

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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,...

Hypertension and Regulation of Blood Pressure

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...

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,...

Drug Dosing: Obese Patients

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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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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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Updated: Jul 2, 2026

Multidisciplinary Approach to Obesity Management: A Case Report

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

[Obesity and hypertension].

Paolo Verdecchia¹, Bruno Trimarco

¹Unità di Ricerca Clinica-Cardiologia Preventiva, SC di Cardiologia, Ospedale S. Maria della Misericordia, Perugia. verdec@tin.it

Giornale Italiano Di Cardiologia (2006)

|September 9, 2008

Summary

This summary is machine-generated.

Obesity is strongly linked to hypertension, predicting its development and worsening. Long-term weight management is crucial for sustained blood pressure reduction in obese individuals.

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Area of Science:

Cardiology
Metabolic Disorders
Epidemiology

Background:

Epidemiological studies consistently show a significant association between hypertension and obesity.
Obesity can precede and predict the development of hypertension, even in individuals with normal blood pressure.
Hypertensive individuals are also more prone to developing obesity, indicating a bidirectional relationship.

Purpose of the Study:

To explore the complex relationship between obesity and hypertension.
To investigate potential pathophysiological mechanisms linking obesity and hypertension.
To evaluate the therapeutic implications of weight management for hypertension.

Main Methods:

Review of epidemiological data and existing literature on obesity and hypertension.
Discussion of proposed pathophysiological pathways, including sympathetic hyperactivity and beta-adrenergic receptor function.
Consideration of animal models for detailed mechanistic investigation.

Main Results:

Obesity is an independent risk factor for hypertension across different demographics.
Visceral obesity appears more strongly associated with high blood pressure than subcutaneous obesity.
Mechanisms may involve sympathetic overactivity, fluid retention, insulin resistance, decreased nitric oxide, and leptin resistance.

Conclusions:

Weight reduction is an effective strategy for lowering blood pressure in obese hypertensive patients.
Sustained, long-term weight loss is essential for achieving and maintaining antihypertensive efficacy.
Further research using animal models can elucidate the intricate mechanisms underlying obesity-induced hypertension.