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Related Concept Videos

Serum Studies: Renal Function Tests01:24

Serum Studies: Renal Function Tests

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Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.
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Pathophysiology of Diabetes01:20

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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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.
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Renal Corpuscle01:20

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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
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Renal clearance is a critical parameter encompassing kidney filtration, secretion, and reabsorption processes. It is calculated using a specific equation to determine the rate at which the kidneys clear a drug.
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Retinal and Choroidal Thickness Changes in Populations with Helicobacter pylori Infection by Swept-Source Optical Coherence Tomography
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Renal function and choroidal thickness using swept-source optical coherence tomography in diabetic patients.

Antonio Manuel Garrido-Hermosilla1,2, Mariola Méndez-Muros3, Estanislao Gutiérrez-Sánchez1,2

  • 1Department of Ophthalmology, Virgen Macarena University Hospital, Seville 41009, Spain.

International Journal of Ophthalmology
|June 26, 2019
PubMed
Summary

Choroidal thickness is linked to kidney function in diabetic patients. Increased choroidal thickness may indicate worsening kidney disease, offering a new way to monitor diabetic complications.

Keywords:
choroidal thicknessdiabetes mellitusrenal functionspectral-domain optical coherence tomographyswept-source optical coherence tomography

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Area of Science:

  • Ophthalmology
  • Nephrology
  • Diabetology

Background:

  • Diabetic patients often experience microvascular complications affecting both eyes and kidneys.
  • Assessing renal function in diabetics is crucial for managing overall health.
  • Choroidal thickness, measurable via OCT, is a potential indicator of systemic health.

Purpose of the Study:

  • To investigate the correlation between choroidal thickness and indicators of renal function in diabetic patients.
  • To explore if choroidal thickness can serve as a predictive marker for renal status.

Main Methods:

  • A cross-sectional retrospective study involving 21 treatment-naïve diabetic patients (42 eyes).
  • Ocular data, including choroidal thickness (central and paracentral) and retinal thickness, were obtained using swept-source OCT.
  • Renal function was assessed via HbA1c, albuminuria, and estimated glomerular filtration rate.

Main Results:

  • Choroidal thickness showed a significant positive correlation with HbA1c and albuminuria.
  • A significant negative correlation was found between choroidal thickness and age and ocular axial length.
  • These findings suggest a link between ocular and renal health in diabetes.

Conclusions:

  • Choroidal thickness measurements may offer a non-invasive method to help predict renal status in diabetic patients.
  • This could aid clinicians in monitoring diabetic microvascular complications.
  • Further research is warranted to validate choroidal thickness as a predictive biomarker.