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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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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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Renal Corpuscle01:20

Renal Corpuscle

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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.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
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Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
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Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

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IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document...
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Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

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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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Updated: Jul 25, 2025

A Silicosis Mouse Model Established by Repeated Inhalation of Crystalline Silica Dust
10:45

A Silicosis Mouse Model Established by Repeated Inhalation of Crystalline Silica Dust

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Asymptomatic Renal Function Abnormalities in Patients having Silicosis.

Ramakant Dixit1, Jitendra Jalutharia2, Mukesh Goyal3

  • 1Senior Professor and Head, Department of Respiratory Medicine, JLN Medical College, Ajmer;Corresponding Author.

The Journal of the Association of Physicians of India
|June 25, 2023
PubMed
Summary

Silica dust exposure is linked to kidney problems in Indian patients with silicosis. Early detection of renal dysfunction through screening is recommended to prevent further kidney damage.

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Area of Science:

  • Occupational Medicine
  • Nephrology
  • Pulmonology

Background:

  • Occupational exposures, particularly to silica, are linked to renal dysfunction.
  • Silicosis patients may experience kidney damage due to prolonged silica dust exposure.
  • This study investigates renal dysfunction in Indian silicosis patients and its relation to exposure duration.

Purpose of the Study:

  • To evaluate renal dysfunction in Indian patients with silicosis.
  • To assess the correlation between silica dust exposure duration and renal dysfunction.
  • To identify early markers of kidney damage in silicosis patients.

Main Methods:

  • Study included 52 Indian patients with confirmed silicosis.
  • Evaluated serum creatinine, urinary albumin creatinine ratio (UACR), and estimated glomerular filtration rate (GFR).
  • Used the Modification of Diet in Renal Disease (MDRD) formula for GFR calculation.

Main Results:

  • 53.84% of patients exhibited albuminuria, with a mean UACR of 101.88 mg/gm.
  • Microalbuminuria was present in 42.3% and macroalbuminuria in 11.5% of patients.
  • A significant association was found between silica exposure duration and UACR and GFR (p < 0.01).

Conclusions:

  • Albuminuria and reduced GFR are common in silica-exposed patients, indicating early renal dysfunction.
  • The findings suggest a cost-effective screening strategy for early renal dysfunction detection in silicosis patients.
  • Early detection and intervention can help prevent further renal damage in this population.