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Related Concept Videos

Peritoneal Dialysis I: Introduction and Procedure01:30

Peritoneal Dialysis I: Introduction and Procedure

Peritoneal dialysis (PD) is a procedure that facilitates the exchange of solutes, waste products, electrolytes, and excess fluid between the blood in the peritoneal capillaries and a dialysis solution introduced into the peritoneal cavity.Principles of Peritoneal Dialysis (PD)Diffusion: Waste products such as urea and electrolytes move from high concentrations in the blood to low concentrations in the dialysate across the peritoneal membrane. This mechanism is driven by the concentration...
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...
Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications01:25

Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications

Peritoneal dialysis (PD) is a medical process that removes waste products and excess fluid from the body using the peritoneal membrane as a natural filter.Peritoneal Dialysis MethodsSeveral methods can be used for peritoneal dialysis, including Acute Intermittent Peritoneal Dialysis, Continuous Ambulatory Peritoneal Dialysis, and Automated Peritoneal Dialysis, also known as Continuous Cyclic Peritoneal Dialysis.Acute Intermittent Peritoneal Dialysis (AIPD) is used for patients with uremic...
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...
Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids01:31

Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids

In the complex environment of the gastric lumen, excessive acid secretion can lead to the formation or worsening of ulcers within the delicate mucosal layer. Antacids, such as sodium bicarbonate and calcium carbonate, provide relief by neutralizing this acid, transforming it into harmless salt and water. This neutralization process raises the gastric pH from a highly acidic level of 1 to a more basic 3-4, reducing the acidity within the stomach.
However, this neutralization reaction between...

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Related Experiment Video

Updated: Jun 18, 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

Bicarbonate-based peritoneal dialysis solution has less effect on ingestive behavior than lactate-based peritoneal

Zhi-Hua Zheng1, Björn Anderstam, Xueqing Yu

  • 1Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.

Peritoneal Dialysis International : Journal of the International Society for Peritoneal Dialysis
|November 14, 2009
PubMed
Summary

New peritoneal dialysis (PD) solutions with bicarbonate may improve appetite in patients. This study found that PD solutions with bicarbonate buffered to pH 7.4 inhibited appetite less than conventional lactate solutions.

Related Experiment Videos

Last Updated: Jun 18, 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:

  • Nephrology and Dialysis
  • Gastroenterology and Nutrition

Background:

  • Anorexia is a common complication in patients undergoing peritoneal dialysis (PD).
  • Dialysate composition, including pH and buffering agents, may contribute to appetite loss.

Purpose of the Study:

  • To investigate the impact of different PD solutions on appetite in a rat model.
  • To evaluate the role of pH and buffering agents (bicarbonate vs. lactate) in PD-induced anorexia.

Main Methods:

  • An experimental rat model was used to assess appetite via intraoral sucrose intake.
  • Rats received intraperitoneal (IP) infusion of various PD solutions with different glucose concentrations and buffering agents (bicarbonate/lactate vs. lactate-only).
  • The effect of buffer type (bicarbonate vs. lactate) and pH on appetite was examined.

Main Results:

  • IP infusion itself did not significantly inhibit appetite.
  • Bicarbonate-based PD solutions (P) demonstrated less appetite inhibition compared to conventional lactate-based solutions (D) across tested glucose concentrations.
  • Intraoral intake was significantly higher with bicarbonate buffer (pH 7.4) compared to lactate buffer; pH variations in lactate buffer did not significantly affect intake.

Conclusions:

  • Peritoneal dialysis solutions utilizing bicarbonate buffering are associated with less appetite inhibition than lactate-based solutions.
  • Reducing lactate concentration and incorporating bicarbonate may offer a potential benefit for appetite in PD patients.
  • These findings suggest that PD solution formulation can be optimized to mitigate anorexia.