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Related Concept Videos

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

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...
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Drug Dosing: Obese Patients01:21

Drug Dosing: Obese Patients

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...
Obesity01:24

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...
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
Metabolic Rate01:25

Metabolic Rate

The human body is a powerhouse of energy, with every cell performing numerous functions that require energy. This energy production and consumption is measured by the metabolic rate, which quantifies the total heat generated by all the body's chemical reactions and mechanical work. This measurement helps to determine the rate of kilocalorie (kcal) consumption needed to fuel all ongoing activities.
The Basal Metabolic Rate (BMR) measures the energy expended at rest.
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Related Experiment Video

Updated: Jul 15, 2026

Pulse-Wave Velocity, Flow-Mediated Dilation, and Carotid Intima-Media Thickness to Assess Cardiovascular Risk in Population with Metabolic Syndrome
06:04

Pulse-Wave Velocity, Flow-Mediated Dilation, and Carotid Intima-Media Thickness to Assess Cardiovascular Risk in Population with Metabolic Syndrome

Published on: September 27, 2024

Different waist circumferences, different metabolic risks in Koreans.

Nam Seok Joo1, Bom Taeck Kim, Sat Byul Park

  • 1Department of Family Practice and Community Health, Ajou University School of Medicine, Suwon, Republic of Korea.

Journal of the American Board of Family Medicine : JABFM
|May 5, 2007
PubMed
Summary

Central obesity (high waist circumference) with normal body mass index poses greater metabolic risks than general obesity in Koreans. This highlights the importance of waist circumference in assessing metabolic health.

Related Experiment Videos

Last Updated: Jul 15, 2026

Pulse-Wave Velocity, Flow-Mediated Dilation, and Carotid Intima-Media Thickness to Assess Cardiovascular Risk in Population with Metabolic Syndrome
06:04

Pulse-Wave Velocity, Flow-Mediated Dilation, and Carotid Intima-Media Thickness to Assess Cardiovascular Risk in Population with Metabolic Syndrome

Published on: September 27, 2024

Area of Science:

  • Metabolic health
  • Obesity research
  • Public health

Background:

  • Body mass index (BMI) and waist circumference (WC) are common obesity indicators.
  • Metabolic parameters are crucial for assessing health risks associated with obesity.

Purpose of the Study:

  • To compare metabolic parameter differences based on waist circumference (WC) and body mass index (BMI) in Korean adults.
  • To evaluate the prevalence of metabolic abnormalities and syndrome in different obesity classifications.

Main Methods:

  • Cross-sectional analysis of 69,535 Korean men and women.
  • Categorization into normal, centrally obese (high WC, normal BMI), generally obese (normal WC, high BMI), and combined obese groups.
  • Comparison of metabolic parameters including total cholesterol, triglycerides, and fasting blood glucose.

Main Results:

  • The combined obese group exhibited the most metabolic abnormalities.
  • Centrally obese individuals (high WC, normal BMI) showed higher triglyceride and fasting blood glucose levels than generally obese individuals (normal WC, high BMI) in both sexes.
  • Metabolic syndrome prevalence was significantly higher in the centrally obese group compared to the generally obese group for both men and women.

Conclusions:

  • Central obesity, even with a normal BMI, is associated with greater metabolic abnormalities and a higher risk of metabolic syndrome in the Korean population.
  • Waist circumference is a critical indicator for metabolic health assessment, independent of BMI.