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Related Concept Videos

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

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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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Obesity01:24

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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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Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

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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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Disorders of Erythrocytes01:27

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Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
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Chronic Kidney Disease II: Clinical Manifestations01:24

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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Related Experiment Video

Updated: Nov 27, 2025

White and Brown Adipose Grafts: An Approach to Correct Reproductive, Metabolic, and Renal Deficits in Black and Tan Brachyury (BTBR) Obese Mice
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The hematologic consequences of obesity.

Johanna C Purdy1, Joseph J Shatzel2,3

  • 1Division of General Internal Medicine and Geriatrics, Oregon Health & Science University, Portland, OR, USA.

European Journal of Haematology
|December 3, 2020
PubMed
Summary

Obesity is linked to inflammation, affecting blood cell counts and increasing clotting risk. Understanding these hematologic changes, including potential links to iron deficiency, is crucial for patient care.

Keywords:
anemiairon deficiencyleukocytosisthrombocytosisvenous thromboembolism

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Area of Science:

  • Hematology
  • Internal Medicine
  • Obesity Research

Background:

  • Rising obesity prevalence impacts clinical practice.
  • Obesity is characterized by low-grade inflammation.
  • Limited reviews exist on obesity's hematologic and thrombotic effects.

Purpose of the Study:

  • To review obesity's impact on hematologic parameters.
  • To summarize obesity's association with thrombotic risk.
  • To explore underlying inflammatory mechanisms.

Main Methods:

  • Literature search focused on observational studies.
  • Inclusion of systematic reviews and meta-analyses.
  • Review of mechanisms affecting blood cells and clotting.

Main Results:

  • Obesity-associated leukocytosis (elevated white blood cells) is observed.
  • Increased platelet counts and venous thromboembolism (VTE) risk are linked to obesity.
  • The relationship between obesity, iron deficiency (ID), and red blood cells is uncertain.

Conclusions:

  • Recognizing these hematologic associations aids in managing unexplained abnormalities in obese patients.
  • Further research is needed to elucidate mechanisms and identify therapeutic targets.
  • Understanding these links may help prevent obesity-related conditions like ID and VTE.