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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...
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...
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...
Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy01:26

Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy (CRRT) is an essential intervention for patients experiencing severe kidney dysfunction. This therapy offers a continuous mechanism for removing fluids and toxins from the bloodstream, leveraging the patient’s blood pressure to facilitate filtration through a specialized filter. This method contrasts with intermittent dialysis, providing a gentler and more consistent removal of waste products and excess fluid, which is particularly beneficial in critically...

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Related Experiment Videos

[Alternative hemodialysis regimens].

Jorge Paulo Strogoff de Matos1, Jocemir Ronaldo Lugon

  • 1Centro de Diálise e Transplante, Divisão de Nefrologia, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense - Niterói, RJ, Brazil.

Jornal Brasileiro De Nefrologia
|March 31, 2011
PubMed
Summary

Patients on hemodialysis (HD) face high mortality. Alternative HD regimens like short daily or long nocturnal dialysis show promise for improving survival rates beyond conventional treatments.

Area of Science:

  • Nephrology
  • Renal Replacement Therapy

Background:

  • High mortality rates persist for patients undergoing hemodialysis (HD).
  • Current HD regimens, established decades ago, show limited efficacy in improving long-term survival.
  • The HEMO Study failed to prove benefits of increased urea Kt/V in conventional HD.

Purpose of the Study:

  • To evaluate the need for revisiting conventional hemodialysis (HD) protocols.
  • To explore alternative HD regimens that may enhance patient survival rates.
  • To identify promising alternative HD strategies.

Main Methods:

  • Review of existing literature on hemodialysis (HD) efficacy and patient outcomes.
  • Analysis of the limitations of conventional HD treatment protocols.
  • Identification and comparison of alternative HD regimens.

Related Experiment Videos

Main Results:

  • Conventional HD regimens have a limited impact on patient survival.
  • Short daily hemodialysis (HD) and long nocturnal hemodialysis (HD) are identified as promising alternatives.
  • Further research is needed to overcome economic barriers to implementing new HD strategies.

Conclusions:

  • Conventional hemodialysis (HD) requires re-evaluation due to high patient mortality.
  • Alternative HD regimens, including short daily and long nocturnal HD, offer potential for improved survival.
  • Addressing economic challenges is crucial for the clinical adoption of advanced HD therapies.