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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...
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,...
Peritoneal Dialysis III: Nursing Management01:25

Peritoneal Dialysis III: Nursing Management

Peritoneal dialysis, or PD, utilizes the peritoneal membrane as a filter to eliminate excess fluid and waste products. Effective nursing management is essential for ensuring patient safety, preventing complications, and promoting optimal function of the peritoneal dialysis process.Assessment and MonitoringNurses must thoroughly assess the patient before, during, and after each dialysis session. Regular monitoring includes vital signs, daily weight, fluid intake and output, and laboratory values...
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...
Chronic Kidney Disease IV: Nursing Management01:18

Chronic Kidney Disease IV: Nursing Management

Nursing management is essential for preventing complications, maintaining stability, and improving patients' quality of life in chronic kidney disease (CKD). By using a structured approach, nurses help slow CKD progression and support effective patient care​.1. Comprehensive patient assessmentEffective management begins with nurses reviewing the patient’s medical history, and identifying key risk factors like diabetes, hypertension, and nephrotoxic drug use. Nurses assess signs of fluid...

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Related Experiment Video

Updated: Jun 10, 2026

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

Depression and cognitive function in maintenance hemodialysis patients.

Brian T Agganis1, Daniel E Weiner, Lena M Giang

  • 1Division of Nephrology, Tufts Medical Center, Boston, MA, USA.

American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation
|August 3, 2010
PubMed
Summary

Depression in hemodialysis patients is linked to poorer cognitive function, specifically in processing speed and executive functions. Further research is needed to explore treatment effects on cognition.

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Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
04:33

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Published on: April 26, 2024

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Last Updated: Jun 10, 2026

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

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
04:33

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Published on: April 26, 2024

Area of Science:

  • Nephrology
  • Neuropsychology
  • Psychiatry

Background:

  • Depression and cognitive impairment are prevalent in hemodialysis patients, leading to adverse outcomes and increased healthcare costs.
  • Understanding the relationship between these conditions is crucial for improving patient care.

Purpose of the Study:

  • To investigate the association between depressive symptoms and cognitive performance in patients undergoing maintenance hemodialysis.
  • To identify specific cognitive domains affected by depression in this population.

Main Methods:

  • A cross-sectional cohort study was conducted with 241 maintenance hemodialysis patients.
  • Depressive symptoms were assessed using the Center for Epidemiological Studies Depression Scale (CES-D score ≥16).
  • Cognitive function was evaluated using a detailed neurocognitive battery, including tests for memory, processing speed, attention, and executive function.

Main Results:

  • 23.7% of participants exhibited significant depressive symptoms.
  • While performance on general cognitive tests like the Mini-Mental State Examination and memory tests was similar, patients with depressive symptoms performed significantly worse on tests of processing speed, attention, and executive function.
  • Specific tests showing significant differences included the Trail Making Test B and Digit-Symbol Coding.

Conclusions:

  • Increased depressive symptoms in hemodialysis patients are associated with impaired cognitive function, particularly in processing speed and executive functions.
  • The findings highlight the need for further research into the impact of treating depression on cognitive outcomes in this patient group.