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Related Concept Videos

Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
Hemodialysis III: Nursing Management01:25

Hemodialysis III: Nursing Management

The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this measurement...
Dialysis01:27

Dialysis

Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Dialysis01:15

Dialysis

Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...

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Related Experiment Video

Updated: Jun 25, 2026

A Murine Model of Hemodialysis Access-Related Hand Dysfunction
08:39

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

Published on: May 31, 2022

Hemodialysis headache.

M Milinkovic1, J Zidverc-Trajkovic, N Sternic

  • 1Institute of Urology and Nephrology, Clinical Center of Serbia, Serbia. milinkovicmarija50@yahoo.com

Clinical Nephrology
|February 11, 2009
PubMed
Summary

This study found that hemodialysis headaches (HDH) affected 6.6% of patients, often occurring in men during the third hour of treatment. Biochemical changes like lower glucose and higher phosphates were linked to HDH.

Related Experiment Videos

Last Updated: Jun 25, 2026

A Murine Model of Hemodialysis Access-Related Hand Dysfunction
08:39

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

Published on: May 31, 2022

Area of Science:

  • Nephrology
  • Neurology
  • Biochemistry

Background:

  • Headaches are a common complication for patients undergoing hemodialysis (HD).
  • Understanding the incidence and characteristics of hemodialysis headaches (HDH) is crucial for patient care.

Purpose of the Study:

  • To evaluate and analyze the incidence and features of headaches in patients undergoing hemodialysis.
  • To identify potential biochemical and clinical factors associated with HDH.

Main Methods:

  • A prospective study involving 318 patients undergoing chronic HD in Serbia.
  • Patients completed a questionnaire based on International Headache Classification of Headache Disorders criteria.
  • Comparison of biochemical markers and clinical data between patients with and without HDH.

Main Results:

  • HDH occurred in 6.6% of patients, more frequently in men.
  • HDH patients exhibited lower serum glucose, higher serum phosphates and albumin, and a higher calcium-phosphate product.
  • HDH typically appeared during the third hour of HD, was bilateral, non-pulsating, and lasted less than 4 hours.

Conclusions:

  • Biochemical alterations may play a role in the pathophysiology of HDH.
  • Specific features of HDH were identified, aiding in the understanding of this secondary headache disorder.