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Related Concept Videos

Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Renal Failure: Dose Adjustments01:11

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In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
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Related Experiment Video

Updated: Jul 5, 2025

Non-invasive Imaging of Acute Allograft Rejection after Rat Renal Transplantation Using 18F-FDG PET
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Correlation between Kidney Uptake at [18F]FDG PET/CT and Renal Function.

Francesco Dondi1, Antonio Rosario Pisani2, Nicola Maria Lucarelli2

  • 1Nuclear Medicine, Università Degli Studi di Brescia and ASST Spedali Civili Brescia, 25123 Brescia, Italy.

Journal of Personalized Medicine
|January 22, 2024
PubMed
Summary

This study found strong correlations between kidney [18F]fluorodesoxyglucose ([18F]FDG) uptake and renal function parameters like creatinine and estimated glomerular filtration rate (eGFR). However, this correlation was not observed in patients with mild kidney impairment or those who received a kidney transplant.

Keywords:
CKDPET/CT[18F]FDGchronic kidney diseasepositron emission tomography

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Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
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Area of Science:

  • Nuclear Medicine
  • Nephrology
  • Radiochemistry

Background:

  • Previous studies suggested varying relationships between kidney [18F]fluorodesoxyglucose ([18F]FDG) uptake and renal function.
  • Assessing this connection is crucial for understanding kidney physiology and disease using PET/CT imaging.

Purpose of the Study:

  • To investigate the correlation between kidney [18F]FDG uptake and key renal function parameters.
  • To compare these parameters across different categories of kidney function and status.

Main Methods:

  • Analysis of 385 PET/CT scans from 339 patients.
  • Comparison of kidney [18F]FDG uptake with serum creatinine (Cr) levels and estimated glomerular filtration rate (eGFR).
  • Stratification of patients based on renal functional impairment and kidney status.

Main Results:

  • Significant correlations were observed between kidney [18F]FDG uptake and Cr/eGFR in most patient groups.
  • No significant correlation was found in patients with Cr < 1.2 mg/dL or in kidney transplant recipients.
  • High inter-reader concordance was noted for assessing renal parenchymal uptake.

Conclusions:

  • Strong correlations exist between renal [18F]FDG uptake and creatinine levels/eGFR.
  • These correlations are absent in patients with mild renal impairment (Cr < 1.2 mg/dL) and kidney transplant recipients.
  • PET/CT imaging of [18F]FDG uptake provides valuable insights into renal function, with specific limitations in certain patient populations.