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Coiling of echogenic perineural catheters with integral stylet: A proof-of-concept randomized control trial in a sciatic nerve block simulator and a pilot study in orthopaedic-trauma patients.
F1000Res
December 2024
Department of Anaesthesiology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, 43614, USA.
Backround/objectives: We investigated a technique that facilitates the coiling of a regular straight catheter (with integral stylet) behind the sciatic nerve in an ultrasound (US) regional anaesthesia simulator, and then applied our findings to a series of orthopedic-trauma patients.
Methods: We conducted a randomized study of two methods of perineural catheter advancement in a sciatic nerve block Blue Phantom simulator. Two groups of twenty catheters each (method A and method B) were evaluated under real-time ultrasound imaging.
Perineural coiled echogenic catheters with a flexible distal end: A brief technical report.
Anaesth Crit Care Pain Med
April 2024
Department of Anaesthesiology, College of Medicine and Life Sciences, University of Toledo, OH, USA.
Impact of self-coiling catheters for continuous popliteal sciatic block on postoperative pain level and dislocation rate: a randomized controlled trial.
BMC Anesthesiol
May 2022
Department of Anesthesiology and Critical Care Medicine, University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden, Fetscherstr 74, 01307, Dresden, Germany.
Background: Dislocation of catheters within the tissue is a challenge in continuous regional anesthesia. A novel self-coiling catheter design is available and has demonstrated a lower dislocation rate in a cadaver model. The dislocation rate and effect on postoperative pain of these catheters in vivo has yet to be determined and were the subjects of this investigation.
View Article and Find Full Text PDFThe analgesic effects of peripheral nerve blocks can be prolonged with the placement of perineural catheters allowing repeated injections of local anaesthetics in humans. The objectives of this study were to evaluate the clinical suitability of a perineural coiled catheter (PCC) at the sciatic nerve and to evaluate pain during the early post-operative period in dogs after tibial plateau levelling osteotomy. Pre-operatively, a combined block of the sciatic and the femoral nerves was performed under sonographic guidance (ropivacaine 0.
View Article and Find Full Text PDFSeparation of stimulating catheters for continuous peripheral regional anesthesia during their removal - two case reports and a critical appraisal of the use of steel-coil containing stimulating catheters.
Local Reg Anesth
July 2015
Department of Anesthesia and Intensive Care Medicine, University Hospital Marburg, Marburg, Germany.
Purpose: Stimulating catheters are widely used for continuous peripheral nerve block techniques in regional anesthesia. The incidence of reported complications is somewhat similar to that for non-stimulating catheters. However, as many stimulating catheters contain a coiled steel wire for optimal stimulation, they may cause specific complications.
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