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Related Concept Videos

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...
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 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,...
Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis01:30

Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis

Patients with end-stage renal disease (ESRD) or those experiencing drug overdose often require extracorporeal methods to eliminate accumulated drugs and metabolites. Hemoperfusion, hemofiltration, and dialysis are the primary techniques to rapidly remove harmful substances without disrupting the patient's fluid and electrolyte balance. For those with compromised renal function, dosage adjustments of concurrent medications may be necessary during extracorporeal drug removal.Dialysis is a process...
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...

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Related Experiment Video

Updated: Jul 5, 2026

A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice
06:27

A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice

Published on: July 20, 2022

[Should dialysis be for all? Comment].

A F De Vecchi1

  • 1U.O. Nefrologia e Dialisi, Ospedale Policlinico Mangiagalli, Regina Elena, Fondazione IRCCS, Via Commenda 15, Milan, Italy. deveccpd@policlinico.mi.it

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|May 14, 2008
PubMed
Summary
This summary is machine-generated.

Deciding to withhold or withdraw dialysis requires careful case-by-case evaluation of patient factors. This complex ethical decision balances medical treatment with quality of life and patient autonomy.

Related Experiment Videos

Last Updated: Jul 5, 2026

A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice
06:27

A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice

Published on: July 20, 2022

Area of Science:

  • Medical Ethics
  • Nephrology

Context:

  • Withholding or withdrawing dialysis presents ongoing legal and ethical challenges.
  • Dialysis is an extraordinary, high-cost, and invasive medical treatment.

Purpose:

  • To explore the ethical considerations and decision-making processes for withholding or withdrawing dialysis.
  • To provide guidance on patient autonomy, best interests, and family involvement in end-of-life dialysis decisions.

Summary:

  • Each case necessitates a thorough evaluation of comorbidities, survival prognosis, rehabilitation potential, quality of life, psychosocial impact, and clinical complications.
  • Competent patients have the right to consent or refuse dialysis and can alter their decision anytime.
  • For incompetent patients, decisions should align with their presumed wishes or best interests, often involving family consultation.

Impact:

  • Informs clinical practice regarding complex end-of-life care decisions in nephrology.
  • Supports ethical frameworks for patient-centered care, respecting autonomy and quality of life.
  • Highlights the importance of palliative care and comprehensive support for patients and families facing these decisions.