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Chronic Kidney Disease I: Introduction01:25

Chronic Kidney Disease I: Introduction

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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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Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
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Acute Kidney Injury II: Pathophysiology01:29

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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
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Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration01:28

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Glomerular filtration rate (GFR) can be estimated from serum creatinine using the modification of diet in renal disease (MDRD) formula or the chronic kidney disease–epidemiology collaboration (CKD–EPI) equation. Both methods are widely used in clinical practice to assess kidney function and guide treatment decisions.The MDRD equation does not require weight or height measurements and is normalized to the body surface area of 1.73 m², considered the average adult surface area.
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Updated: Nov 7, 2025

Microfluidics in Assessing Platelet Function
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Platelet Function in CKD: A Systematic Review and Meta-Analysis.

Constance C F M J Baaten1,2, Marieke Sternkopf1, Tobias Henning1

  • 1Institute for Molecular Cardiovascular Research, University Hospital Aachen, Rheinisch-Westfälische Technische Hochschule Aachen University, Aachen, Germany.

Journal of the American Society of Nephrology : JASN
|May 4, 2021
PubMed
Summary
This summary is machine-generated.

Patients with chronic kidney disease (CKD) exhibit varied platelet function, often impaired, increasing risks for bleeding and clotting. Further research into CKD

Keywords:
bleedingchronic kidney diseaseplateletsthrombosisuremic toxins

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Area of Science:

  • Nephrology
  • Hematology
  • Thrombosis Research

Background:

  • Chronic kidney disease (CKD) patients face high risks of thrombotic and hemorrhagic events.
  • Platelet function abnormalities are key to these complications, with conflicting reports on reactivity in CKD.
  • Uremic toxins' direct effects on platelet function are inconsistently described.

Purpose of the Study:

  • To systematically review and meta-analyze platelet activity in CKD, focusing on non-dialysis effects.
  • To investigate the impact of individual uremic toxins on platelet function through literature review.

Main Methods:

  • Systematic review of 73 studies assessing overall platelet function in CKD patients.
  • Meta-analysis of 11 studies on ex vivo platelet aggregation in CKD.
  • Literature search for uremic toxin effects on platelet function.

Main Results:

  • Most studies indicate impaired platelet function in CKD, with prolonged bleeding time and reduced adhesion.
  • Meta-analysis shows significantly reduced maximal platelet aggregation in CKD patients upon collagen stimulation.
  • Ex vivo studies on uremic toxins yielded variable results; animal models suggest prothrombotic effects.

Conclusions:

  • While most studies report impaired platelet function in CKD, some find it unchanged or enhanced.
  • Further investigation into platelet reactivity across different CKD stages is necessary.
  • Understanding these complex platelet alterations is crucial for managing CKD complications.