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Clinical evaluation of a resorbable wrap-around implant as an alternative to nerve repair: A prospective, assessor-blinded, randomised clinical study of sensory, motor and functional recovery after peripheral nerve repair.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Hand Surgery.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Hand Surgery.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Hand Surgery.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Hand Surgery.
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2009 (English)In: Journal of plastic, reconstructive & aesthetic surgery : JPRAS, ISSN 1748-6815, Vol. 62, no 11, 1503-1509 p.Article in journal (Refereed) Published
Abstract [en]

Peripheral nerve injures are common and often result in impaired functional recovery. The majority of injuries involve the arm and/or the hand. The traditional treatment for peripheral nerve injuries is repair by using microsurgical techniques, either by primary nerve suture or nerve graft, but research to find more successful methods that could improve recovery is ongoing. Tubulisation has been investigated by several authors and is suggested as an alternative to microsurgical techniques. The resorbable poly[(R)-3-hydroxybutyrate] (PHB) is one of the materials that has been previously tested experimentally. In this prospective, randomised, assessor-blinded clinical study, PHB was investigated as an alternative to epineural suturing in the treatment of peripheral nerve injuries at the wrist/forearm level of the arm. Twelve patients, with a complete, common, sharp injury of the median and/or ulnar nerve at the wrist/forearm level, were treated by either using PHB or microsurgical epineural end-to-end suturing. All patients were assessed using a battery of tests, including evaluation of functional, sensory and motor recovery by means of clinical, neurophysiological, morphological and physiological evaluations at 2 weeks and 3, 6, 9, 12 and 18 months after surgery. No adverse events or complications considered as product related were reported, and thus PHB can be regarded as a safe alternative for microsurgical epineural suturing. The majority of the methods in the test battery showed no significant differences between the treatment groups, but one should consider that the study involved a limited number of patients and a high variability was reported for the evaluating techniques. However, sensory recovery, according to the British Medical Research Council score and parts of the manual muscle test, suggested that treating with PHB may be advantageous as compared to epineural suturing. This, however, should be confirmed by large-scale efficacy studies.

Place, publisher, year, edition, pages
2009. Vol. 62, no 11, 1503-1509 p.
Keyword [en]
Biodegradable polymeric nerve conduit, Peripheral nerve repair, Randomised clinical trial
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:umu:diva-19239DOI: 10.1016/j.bjps.2008.06.041PubMedID: 18938119OAI: oai:DiVA.org:umu-19239DiVA: diva2:201619
Available from: 2009-03-05 Created: 2009-03-05 Last updated: 2012-08-10Bibliographically approved

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