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Related Concept Videos

Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

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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Urinary Tract Infection II: Pathophysiology

The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
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In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...
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Immune dysfunction in uremia—an update.

Gerald Cohen1, Walter H Hörl

  • 1Abteilung für Nephrologie und Dialyse, Univ.-Klinik für Innere Medizin III, Währinger Gürtel 18-20, Wien A-1090, Austria. gerald.cohen@meduniwien.ac.at

Toxins
|December 4, 2012
PubMed
Summary
This summary is machine-generated.

Chronic kidney disease (CKD) impairs immune cell function, increasing risks of infection and cardiovascular disease (CVD). Uremia disrupts immune balance, highlighting the role of uremic toxins.

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Area of Science:

  • Nephrology
  • Immunology
  • Cardiovascular Medicine

Background:

  • Kidney dysfunction in chronic kidney disease (CKD) causes toxic solute retention.
  • Cardiovascular disease (CVD) and infections are leading causes of mortality in CKD patients.
  • Both CVD and infections are linked to compromised immune defense.

Purpose of the Study:

  • To review the immune response in uremia.
  • To focus on the non-specific immune response.
  • To investigate the role of uremic toxins in immune dysfunction.

Main Methods:

  • Literature review of immune parameters in uremia.
  • Analysis of immune cell function (PMNLs, monocytes, lymphocytes, APCs).
  • Examination of inflammatory and apoptotic pathways.

Main Results:

  • Uremia impairs the function of key immune cells, affecting both innate and adaptive immunity.
  • Disturbed balance between pro- and anti-inflammatory factors.
  • Altered apoptotic rates lead to either diminished immune response or chronic inflammation.
  • Uremic toxins contribute to immune dysregulation.

Conclusions:

  • Immune dysregulation in uremia significantly contributes to morbidity and mortality in CKD.
  • Understanding the role of uremic toxins is crucial for managing immune dysfunction.
  • Therapeutic strategies targeting immune balance may improve outcomes for CKD patients.