Date: 21 Jan 2011

Kinked Perifix® FX Springwound epidural catheters

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To the Editor,

We recently experienced problems with post-insertion kinking of a newer epidural catheter, Perifix® FX Springwound (B. Braun Medical Inc., Bethlehem, PA, USA), in three labouring parturients. The open-tip uniport version of the 19-G Perifix® FX Springwound catheter is the standard epidural catheter used in labour and delivery at our institution. A labour epidural was placed without difficulty in two non-obese parturients in the sitting position. In both cases, the epidural space was identified using a saline loss of resistance technique on a single pass. The catheter threaded easily and was withdrawn to the appropriate skin depth to leave 5 cm of catheter within the epidural space. The catheter was taped to the patients’ backs, and following negative aspiration, attempts were made to administer an initial dose of 0.125% bupivacaine 5 mL. There was immediate resistance in both instances. The visible parts of the catheters were examined for kinks but none were found. The ca ...