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Related Concept Videos

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...
Chronic Kidney Disease III: Interprofessional Care01:28

Chronic Kidney Disease III: Interprofessional Care

Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...
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,...
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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 Video

Updated: May 31, 2026

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
13:35

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos

Published on: March 21, 2021

Longitudinal body composition changes due to dialysis.

Rebecca Pellicano1, Boyd J Strauss, Kevan R Polkinghorne

  • 1Department of Nephrology, Monash Medical Centre, Clayton, Victoria, Australia. rebecca.pellicano@med.monash.edu.au

Clinical Journal of the American Society of Nephrology : CJASN
|July 8, 2011
PubMed
Summary
This summary is machine-generated.

Obese dialysis patients maintain total body protein better than normal-weight patients. This suggests that storing energy as fat mass may be beneficial for patients undergoing dialysis.

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Measurement of Tissue Oxygenation Using Near-Infrared Spectroscopy in Patients Undergoing Hemodialysis
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Measurement of Tissue Oxygenation Using Near-Infrared Spectroscopy in Patients Undergoing Hemodialysis

Published on: October 2, 2020

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Last Updated: May 31, 2026

Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
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Measurement of Tissue Oxygenation Using Near-Infrared Spectroscopy in Patients Undergoing Hemodialysis
04:36

Measurement of Tissue Oxygenation Using Near-Infrared Spectroscopy in Patients Undergoing Hemodialysis

Published on: October 2, 2020

Area of Science:

  • Nephrology
  • Body Composition Analysis
  • Nutritional Status

Background:

  • Nutritional status is a key predictor of outcomes in dialysis patients.
  • High body mass index (BMI) appears protective, but the specific body compartment responsible is unknown.

Purpose of the Study:

  • To investigate changes in body composition over 12 months in incident peritoneal dialysis (PD) and hemodialysis (HD) patients.
  • To determine whether lean mass or fat mass contributes to the protective effect of high BMI in dialysis.

Main Methods:

  • Longitudinal study of 60 incident dialysis patients (46 completed).
  • Measured total body protein (TBP) via neutron activation (nitrogen index, NI), lean body mass (LBM) and total body fat (TBF) via DXA.
  • Assessed visceral and subcutaneous fat areas (SFAs) using CT scans.

Main Results:

  • No significant changes in TBP, NI, or TBF overall.
  • Obese patients (BMI >30) showed increased LBM and a significant increase in NI compared to normal-weight and overweight groups.
  • Peritoneal dialysis (PD) patients had greater increases in TBF and visceral fat.

Conclusions:

  • Obese dialysis patients demonstrated preservation of TBP compared to normal- and overweight individuals.
  • Energy storage as fat mass appears to be advantageous in the dialysis population.