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Related Concept Videos

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...
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...

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Related Experiment Videos

[Haemodialysis - the current practice].

M Nedbálková1

  • 1II. interní klinika Lékafské fakulty MU a FN u sv. Anny v Brne. nedbalkova@fnusa.cz

Vnitrni Lekarstvi
|September 1, 2011
PubMed
Summary

Early arteriovenous fistula insertion and optimized dialysis timing improve haemodialysis outcomes. Technological advancements aid in managing fluid balance and preventing complications for better patient care.

Area of Science:

  • Nephrology and Biomedical Engineering
  • Focuses on advancements in renal replacement therapy and medical device technology.

Context:

  • Recent decades have seen significant technological innovations enhancing haemodialysis procedures.
  • Early arteriovenous fistula (AVF) placement is crucial for effective venous access.
  • Initiating dialysis at a glomerular filtration rate (GFR) of 8-10 mL/min (or 15 mL/min with risk factors) is recommended.

Purpose:

  • To review current technological innovations and best practices in haemodialysis.
  • To emphasize the importance of timely dialysis initiation and appropriate vascular access.
  • To highlight methods for optimizing dialysis efficacy and patient safety.

Summary:

  • Optimized haemodialysis protocols include early AVF insertion and precise initiation based on GFR.

Related Experiment Videos

  • Treatment frequency and duration adjustments, alongside haemodiafiltration, cater to individual patient needs and long-term management.
  • Technological tools like body composition monitors (BCM), blood volume monitors (BVM), and blood temperature monitors (BTM) assist in accurate dry weight assessment, hypotension prevention, and AVF monitoring.
  • Potassium profiling and temperature control reduce cardiac arrhythmias and improve patient tolerance.

    • Impact:

    • Improved patient outcomes through better fluid management, reduced complications like hypotension and arrhythmias.
    • Enhanced quality of life for patients undergoing long-term haemodialysis.
    • Preservation of residual renal function is a key goal, necessitating careful management of nephrotoxic substances and ultrafiltration.