The Variable Flow Characteristics for Different Brands of 3-Way Urinary Catheters: Proposing an Alternate and Accurate Standardised Labelling System

Davis, Niall F.; Abdelrahman, Mamoun; Cunnane, C.; Cunnane, Eoghan M.; Walsh, Michael T.; Thornhill, John

doi:10.1016/j.urology.2015.12.022

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…He proposed a catheter labelling system to include the overall CSA, irrigation channel CSA, and drainage channel CSA values to provide more accurate and transparent data relevant to anticipated drainage and irrigation flow rates. 7 Similarly, our study also shows that the size of the catheter does not provide the success of the drainage or of the irrigation. Our study is the first to critically analyze the functional properties of the new Coloplast catheter.…”

Section: Discussionmentioning

confidence: 55%

Same sized three-way indwelling urinary catheters from various manufacturers present different irrigation and drainage properties

Carneiro

Wroclawski

Peixoto

et al. 2020

Therapeutic Advances in Urology

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Background: The three-way indwelling urinary catheter (IUC) is used for continuous bladder irrigation and is considered the cornerstone for clinical treatment of patients with macroscopic hematuria. Although there seems to be a logical relationship between catheter size and efficacy of irrigation and drainage, we often observe relevant variations in these parameters between different brands of catheters available on the market. The aim of this study was to compare the mechanical properties of different models of latex and silicone three-way catheters in an in vitro setting that resembles clinical use. Methods: Three different three-way catheters were evaluated: Gold Silicone-Coated Rusch® (Model A), 100% Silicone Rusch® (Model B) and X-Flow Coloplast® (Model C). Irrigation channel, drainage channel, and overall cross-sectional areas were all digitally measured. Irrigation and drainage channel flow rates were measured and correlated with their corresponding catheter cross-sectional area values. Results: Different catheter models of the same caliber have different internal irrigation port diameters, internal drainage port diameters and internal cuff port diameters. The Model C IUC internal irrigation port diameter is significantly larger than models A and B. When flows were evaluated, we found that in the same model, the increase in caliber of the IUC was related to an increased drainage flow, but not to an increased irrigation flow. Conclusion: Precise measurements of the internal architecture of the three-way catheter, rather than relying on the caliber itself, could assist surgeons in choosing the best product for each specific patient, while minimizing complications.

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Section: Discussionmentioning

confidence: 55%

Same sized three-way indwelling urinary catheters from various manufacturers present different irrigation and drainage properties

Carneiro

Wroclawski

Peixoto

et al. 2020

Therapeutic Advances in Urology

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show abstract

“…An understanding of the flow characteristics for 3-way irrigation catheters is important as they play an essential role in daily urological practice [ 5 ]. A variety of different sizes are available; however, in the presence of significant bleeding size ≥22Fr is usually necessary to prevent large clots forming in the urinary bladder.…”

Section: Discussionmentioning

confidence: 99%

A comparative assessment of irrigation and drainage characteristics for commercially available urethral catheters

Abdelrahman

Davis

McMahon

et al. 2017

CEJU

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IntroductionWe aimed to investigate irrigation and drainage characteristics of commercially available urethral catheters and determined which catheter offers the best flow characteristics.Material and methodsTwelve different commercially available urethral catheters from three companies (Bard™, Rusch™ and Dover™) were investigated to compare their irrigation and drainage properties. Irrigation port, drainage port and overall cross-sectional areas for a 24Fr 3-way catheter was measured and compared. The maximum (Qmax) and average (Qavg) irrigation and drainage flow rates for each catheter was measured for 20–40 seconds using uroflowmetry. The primary endpoint was to determine which catheter offers optimal irrigation and drainage parameters.ResultsOverall cross-sectional area, irrigation port cross-sectional area, and drainage port cross-sectional area differed significantly for each 24Fr 3-way catheter assessed (p <0.001). The 24Fr 3-way Rusch Simplastic™ catheter consistently demonstrated the greatest maximal flow rate (Qmax: 5 ±0.3 ml/s) and average flow rate (Qavg: 4.6 ±0.2 ml/s) for irrigation. The 24Fr 3-way Dover™ catheter provided the greatest drainage properties (Qmax: 19.7 ±2 ml/s; Q avg: 15.9 ±5 ml/s). In the setting of continuous bladder irrigation, the 24Fr 3-way Rusch Simplastic™ catheter provided the highest irrigation rates (Qmax: 6.6 ±1.8 ml/s; Q avg: 4.6 ±0.9 ml/s).ConclusionsThree-way catheters demonstrate significant differences in their irrigation and drainage characteristics. The type of catheter selected should be based on the appropriate prioritization of efficient bladder irrigation versus efficient bladder drainage.

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Gross Hematuria

Velasquez

Feldman

2021

Management of Bleeding Patients

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The Variable Flow Characteristics for Different Brands of 3-Way Urinary Catheters: Proposing an Alternate and Accurate Standardised Labelling System

Cited by 4 publications

References 8 publications

Same sized three-way indwelling urinary catheters from various manufacturers present different irrigation and drainage properties

Same sized three-way indwelling urinary catheters from various manufacturers present different irrigation and drainage properties

A comparative assessment of irrigation and drainage characteristics for commercially available urethral catheters

Gross Hematuria

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