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Related Concept Videos

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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Drug Dosing: Obese Patients01:21

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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Pharmacokinetics in Obese Patients: Drug Absorption and Distribution01:25

Pharmacokinetics in Obese Patients: Drug Absorption and Distribution

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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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Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

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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...
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Regulation of Stroke Volume01:27

Regulation of Stroke Volume

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

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Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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Updated: Mar 18, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
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[Obesity Paradox and Stroke].

Ralf Baumgartner1, Lisa Oesch2, Hakan Sarikaya2

  • 11 Neurozentrum Hirslanden, Zürich.

Praxis
|July 7, 2016
PubMed
Summary
This summary is machine-generated.

The obesity paradox in older adults suggests higher stroke survival for overweight individuals, but this requires cautious interpretation. Weight reduction is still advised for overweight patients due to obesity being a stroke risk factor.

Keywords:
AdipositasHirnschlagMortalitätThrombolysemorbidité et mortalité post accident vasculaire cérébralmortalityoberityobésitéoverweightrisque cardiovasculairestrokesurcharge pondéralethrombolysisÜbergewicht

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Area of Science:

  • Neurology
  • Public Health
  • Epidemiology

Context:

  • The obesity paradox, observed in older populations, indicates potentially higher survival rates post-stroke for overweight and obese individuals compared to normal-weight patients.
  • This phenomenon requires careful consideration due to potential confounding factors such as selection bias, treatment bias, and differing patient characteristics.
  • Current evidence primarily stems from observational studies, with a lack of randomized controlled trials definitively proving the benefits of weight reduction in this context.

Purpose:

  • To critically evaluate the evidence surrounding the obesity paradox in stroke patients.
  • To highlight the limitations and biases inherent in current research on this topic.
  • To underscore the ongoing importance of weight management for stroke risk reduction.

Summary:

  • The obesity paradox suggests a survival advantage for overweight and obese older adults post-stroke, but this finding is subject to significant biases and requires cautious interpretation.
  • Randomized studies confirming a benefit from weight reduction in stroke survivors are currently lacking.
  • Despite the paradox, obesity remains an independent risk factor for stroke, supporting continued recommendations for weight reduction in overweight individuals.

Impact:

  • Highlights the need for rigorous, randomized controlled trials to clarify the role of weight management in stroke outcomes.
  • Emphasizes that observational data on the obesity paradox should be interpreted with caution due to potential biases.
  • Reinforces the public health message that managing obesity is crucial for mitigating stroke risk and improving overall cardiovascular health.