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Chronic Kidney Disease II: Clinical Manifestations01:24

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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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Chronic Kidney Disease I: Introduction01:25

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Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
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Related Experiment Video

Updated: Feb 27, 2026

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[The uric acid cardio-nephropathy].

Francesca Viazzi1, Barbara Bonino1, Francesca Cappadona1

  • 1Università degli Studi di Genova, IRCCS A.O.U. San Martino-IST, Genova, Italy.

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|July 7, 2017
PubMed
Summary

Chronic high uric acid levels (hyperuricemia) are linked to hypertension, kidney disease, and cardiovascular risks. Lowering uric acid with xanthine-oxidase inhibitors may reduce these risks, with ongoing trials to confirm effectiveness.

Keywords:
Hyperuricemiacardiovascular riskchronic kidney diseasehypertensionuric acid

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Area of Science:

  • Biochemistry
  • Nephrology
  • Cardiology

Background:

  • Uric acid, a purine catabolism product, has dual antioxidant/pro-oxidant roles.
  • Chronic hyperuricemia is increasingly associated with adverse health outcomes.

Purpose of the Study:

  • To review the link between hyperuricemia and cardiovascular/renal disease.
  • To explore the potential benefits of lowering uric acid levels.

Main Methods:

  • Literature review of existing evidence on hyperuricemia.
  • Analysis of pathophysiologic mechanisms linking uric acid to disease.
  • Consideration of preliminary clinical findings and ongoing trials.

Main Results:

  • Hyperuricemia contributes to hypertension, kidney disease, and cardiovascular risk via endothelial dysfunction, oxidative stress, and renin-angiotensin system activation.
  • Asymptomatic hyperuricemia is a risk factor for hypertension, diabetes, and cardiovascular events.

Conclusions:

  • Lowering uric acid levels with xanthine-oxidase inhibitors shows promise for improving cardiovascular and renal outcomes.
  • Further clinical trials are needed to validate the therapeutic efficacy of uric acid-lowering agents.