Tensile Strength Decreases and Perfusion Pressure of 3-Holed Polyamide Epidural Catheters Increases in Long-Term Epidural Infusion

The current recommendation of injecting saline through an entrapped catheter resulted in a decrease in tensile strength of the Arrow and B-Braun catheters. A decrease in tensile strength also was noted in the B-Braun catheters when tested at 37°C. There is no benefit, at least in terms of tensile strength, in removing the wire or inner coil from any of the tested brands. The Smith catheter was the most resilient, showing no decrease in tensile strength at 37°C and after the injection of normal saline when compared with control.

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Retained Perineural Catheter: A Sentinel Case Report

Khan

İnce

Esa

et al. 2019

A&A Practice

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We report the rare complication of a retained peripheral nerve block catheter (PNBC). A 45-year-old man with intractable postamputation phantom limb pain was treated with continuous infusions via femoral and sciatic peripheral nerve catheters. The catheters were removed by an emergency department physician 2 days after placement. Five months later, the patient presented with a discharging sinus from the sciatic nerve catheter site. Magnetic resonance imaging (MRI) was inconclusive. Surgical exploration showed 15 cm of retained peripheral nerve catheter, which was removed.

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Tensile Strength Decreases and Perfusion Pressure of 3-Holed Polyamide Epidural Catheters Increases in Long-Term Epidural Infusion

Abstract: Epidural catheter use significantly increases the perfusion pressure and decreases the tensile strength.

Cited by 3 publications

References 24 publications

Development and material characteristics of glaucoma surgical implants

Development and material characteristics of glaucoma surgical implants

Comparison of Changes in Tensile Strength in Three Different Flexible Epidural Catheters Under Various Conditions

Retained Perineural Catheter: A Sentinel Case Report

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