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Hemodialysis II: Procedure and Complications

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: Introduction

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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 Management

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...

Dialysis

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).
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Dialysis

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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...

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Related Experiment Video

Updated: Apr 30, 2026

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

Published on: May 31, 2022

Hemodialysis-related headache.

Murat Yusuf Sav¹, Tansu Sav, Elif Senocak

¹Department of Neurology, Special Tekden Hospital, Kayseri, Turkey.

Hemodialysis International. International Symposium on Home Hemodialysis

|April 29, 2014

Summary

Dialysis-related headache is a common neurological symptom during hemodialysis. This study analyzes its clinical features, aiming to understand this frequent complication better.

Area of Science:

Neurology
Nephrology

Background:

Headache is a frequent neurological symptom in hemodialysis patients.
Dialysis-related headache (DRH) is defined by specific criteria and resolves post-dialysis.
Limited research exists on the clinical features of DRH.

Purpose of the Study:

To evaluate and analyze the clinical features of headache in patients undergoing hemodialysis.

Main Methods:

Literature review and analysis of existing studies on dialysis-related headache.
Evaluation of identified triggering factors such as blood pressure changes, electrolyte shifts, caffeine withdrawal, and stress.

Main Results:

Dialysis-related headache is a common occurrence in hemodialysis patients.

Keywords:

Hemodialysis headache pathophysiology transient

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Potential triggers include hemodynamic instability, electrolyte imbalances, and substance withdrawal.

Further research is needed to fully elucidate the pathophysiology.

Conclusions:

Headache is a significant neurological symptom in hemodialysis patients.
Understanding the clinical features and triggers of DRH is crucial for patient management.
More studies are required to establish definitive pathophysiology and treatment strategies.