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Drug Dosing: Obese Patients

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...

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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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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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Updated: Jan 24, 2026

Multidisciplinary Approach to Obesity Management: A Case Report

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Nephrolithiasis in the Obese Patient.

Claire Kelly¹, Robert M Geraghty², Bhaskar K Somani³

¹University of Southampton, Southampton, UK.

Current Urology Reports

|May 20, 2019

Summary

Metabolic syndrome and obesity increase kidney stone disease risk, particularly due to insulin resistance. Obesity influences treatment choices, favoring flexible ureteroscopy for kidney stones.

Keywords:

Flexible ureteroscopy Insulin resistance Kidney stone disease Metabolic syndrome Obese Percutaneous nephrolithotomy RIRS Shock wave lithotripsy URS

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Area of Science:

Nephrology
Endocrinology
Urology

Background:

The global rise in metabolic syndrome (MetS) and obesity correlates with increased kidney stone disease (KSD) prevalence and healthcare costs.
Understanding the intricate relationship between MetS, obesity, and KSD is crucial for effective patient management and public health strategies.

Purpose of the Study:

To review existing literature on the association between MetS/obesity and KSD.
To analyze the impact of obesity on the management of kidney stone disease.

Main Methods:

Literature review of studies investigating the link between MetS/obesity and KSD.
Analysis of treatment modalities and their efficacy in obese patients with KSD.

Main Results:

Metabolic syndrome significantly elevates the risk of developing kidney stone disease, with insulin resistance as a key pathophysiological factor.
Patient body habitus influences treatment selection, with flexible ureteroscopy emerging as a preferred intervention for obese individuals.
Effective management of KSD in obese patients necessitates consideration of MetS components by urologists.

Conclusions:

The link between metabolic syndrome, obesity, and kidney stone disease is well-established, highlighting the need for integrated management approaches.
Further high-quality research is required to optimize and compare treatment strategies for kidney stone disease in the context of obesity and metabolic syndrome.