Related Experiment Video
Updated: Aug 12, 2025
06:27
A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice
Published on: July 20, 2022
2.7K
The Association Between Catheter Type and Dialysis Treatment: A Retrospective Data Analysis at Two U.S.-Based ICUs
Nathan T Gilmore1, Kimberly Alsbrooks2, Klaus Hoerauf2,3
1Department of Critical Care, Hoag Health Center Newport Beach, Newport Beach, CA.
Critical Care Explorations
|January 26, 2023
Summary
Changing dialysis catheter type in critically ill patients receiving continuous renal replacement therapy (CRRT) led to longer treatment sessions and fewer interruptions. This switch improved circuit life and reduced non-elective terminations, enhancing CRRT effectiveness.
Area of Science:
- Nephrology and Critical Care Medicine
- Vascular Access Management
- Renal Replacement Therapies
Background:
- The type of dialysis catheter used in continuous renal replacement therapy (CRRT) may influence treatment efficacy and patient outcomes in critically ill individuals.
- Understanding the impact of catheter type on CRRT sessions is crucial for optimizing care and potentially reducing healthcare costs.
Purpose of the Study:
- To investigate the association between different dialysis catheter types and various CRRT treatment outcomes in critically ill patients.
- To evaluate how changes in catheter type affect circuit life, alarm frequency, termination types, and blood flow rates.
Main Methods:
- A retrospective observational study was conducted in two U.S. intensive care units.
- Data from 1,037 CRRT sessions in critically ill patients between April 2018 and July 2020 were analyzed.
- Outcomes included circuit life, alarm interruptions (total and vascular access-related), termination type, and blood flow rates, comparing pre- and post-catheter change periods, including a COVID-19 contemporaneous analysis.
Main Results:
- Post-catheter change sessions demonstrated a 31% increase in circuit life and a 3% higher blood flow rate compared to pre-change sessions.
- A significant reduction in non-elective terminations was observed post-catheter change (adjusted OR, 0.42).
- Vascular access-related alarm interruptions decreased significantly (0.80), while overall alarm interruptions showed a non-significant trend towards reduction (0.95).
Conclusions:
- A change in dialysis catheter type was associated with improved CRRT outcomes, including extended session duration and fewer unexpected interruptions and terminations.
- These findings suggest that catheter selection plays a significant role in the management of CRRT in critically ill patients.
Related Concept Videos
01:25Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications
56
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...
56
01:27Dialysis
419
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...
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...
419
01:28Cardiac Catheterization I: Pre-Procedure Overview
104
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
104
01:25Hemodialysis I: Introduction
98
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...
98
01:24Hemodialysis II: Procedure and Complications
48
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,...
48
01:30Continuous Renal Replacement Therapy
71
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...
71