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      Intercostal Nerve to Long Thoracic Nerve Transfer for the Treatment of Winged Scapula: A Cadaveric Feasibility Study

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          Abstract

          There are very few surgical options available for treating a patient with winged scapula caused by a long thoracic nerve (LTN) injury. Therefore, we devised a novel technique based on a cadaveric dissection whereby regional intercostal nerves (ICN) were harvested and transposed to the adjacent LTN in 10 embalmed cadavers (20 sides). The LTN was identified along the lateral border of the serratus anterior and ICNs were identified at the mid-axillary line inferior to the lower edge of the pectoralis major muscle. Along the mid-clavicular line, each ICN was transected and transposed to the adjacent LTN. The length and diameter of each ICN available for mobilization to the LTN were measured. All measurements were made with microcalipers. Within the operative site, the mean proximal and distal diameters of the LTN were 1.6 and 1.1 mm, respectively. The adjacent ICN had a mean diameter of 1.3 mm. On all sides, the ICN branches were easily transposed to the adjacent LTN without any tension. Anastomosis to the LTN was performed to the third through sixth ICN provided each intercostal was preserved and mobilized anteriorly at least as far as the midclavicular line. The end to end size match between donor and LTN was appropriate on all sides. We found that it is feasible to harvest adjacent ICNs and move these to the adjacent LTN. Such a procedure, after being confirmed in patients, might offer a new technique for restoring protraction following an LTN injury.

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          The clinical spectrum of neuralgic amyotrophy in 246 cases.

          Nens van Alfen, G. Der Sahakian (2006)
          We investigated the symptoms, course and prognosis of neuralgic amyotrophy (NA) in a large group of patients with idiopathic neuralgic amyotrophy (INA, n = 199) and hereditary neuralgic amyotrophy (HNA, n = 47) to gain more insight into the broad clinical spectrum of the disorder. Several findings from earlier smaller-scale studies were tested, and for the first time the potential differences between the hereditary and idiopathic phenotypes and between males and females were explored. Generally, the course of the pain manifests itself in three consecutive phases with an initial severe, continuous pain lasting for approximately 4 weeks on average. Sensory involvement was quite common and found in 78.4% of patients but was clinically less impairing than the initial pain and subsequent paresis. As a typically patchy disorder NA can affect almost any nerve in the brachial plexus, although damage in the upper and middle trunk distribution with involvement of the long thoracic and/or suprascapular nerve occurred most frequently (71.1%). We found no correlation between the distribution of motor and sensory symptoms. In INA recurrent attacks were found in 26.1% of the patients during an average 6 year follow-up. HNA patients had an earlier onset (28.4 versus 41.3 years), more attacks (mean 3.5 versus 1.5) and more frequent involvement of nerves outside the brachial plexus (55.8 versus 17.3%) than INA patients, and a more severe maximum paresis, with a subsequent poorer functional outcome. In males the initial pain tended to last longer than it did in females (45 versus 23 days). In females the middle or lower parts of the brachial plexus were involved more frequently (23.1 versus 10.5% in males), and their functional outcome was worse. Overall recovery was less favourable than usually assumed, with persisting pain and paresis in approximately two-thirds of the patients who were followed for 3 years or more.
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            Current concepts of the treatment of adult brachial plexus injuries.

            Jennifer Giuffre, Sanjiv Kakar, Allen Bishop … (2010)
            As the number of survivors of motor vehicle accidents and extreme sporting accidents increases, the number of people having to live with brachial plexus injuries increases. Although the injured limb will never return to normal, an improved understanding of the pathophysiology of nerve injury and repair, as well as advances in microsurgical techniques, have enabled the upper extremity reconstructive surgeon an opportunity to improve function in these life-altering injuries. The purpose of this review is to detail some of the current concepts of the treatment of adult brachial plexus injuries and give the reader an understanding of the nuances of the timing, available treatment options, and outcomes of treatment.
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              Techniques of peripheral nerve repair.

              L Dahlin (2007)
              Nerve injuries extend from simple nerve compression lesions to complete nerve injuries and severe lacerations of the nerve trunks. A specific problem is brachial plexus injuries where nerve roots can be ruptured, or even avulsed from the spinal cord, by traction. An early and correct diagnosis of a nerve injury is important. A thorough knowledge of the anatomy of the peripheral nerve trunk as well as of basic neurobiological alterations in neurons and Schwann cells induced by the injury are crucial for the surgeon in making adequate decisions on how to repair and reconstruct nerves. The technique of peripheral nerve repair includes four important steps (preparation of nerve end, approximation, coaptation and maintenance). Nerves are usually repaired primarily with sutures applied in the different tissue components, but various tubes are available. Nerve grafts and nerve transfers are alternatives when the injury induces a nerve defect. Timing of nerve repair is essential. An early repair is preferable since it is advantageous for neurobiological reasons. Postoperative rehabilitation, utilising the patients' own coping strategies, with evaluation of outcome are additional important steps in treatment of peripheral nerve injuries. in the rehabilitation phase adequate handling of pain, allodynia and cold intolerance are emphasised.
              Article 0 comments Cited 25 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Cureus
                Journal ID (iso-abbrev): Cureus
                Journal ID (issn): 2168-8184
                Title: Cureus
                Publisher: Cureus (Palo Alto (CA) )
                ISSN (Electronic): 2168-8184
                Publication date (Electronic, pub): 30 November 2017
                Publication date (Electronic, collection): November 2017
                Volume: 9
                Issue: 11
                Electronic Location Identifier: e1898
                Affiliations
                [1 ] Department of Anatomical Sciences, St. George's University School of Medicine, Grenada, West Indies
                [2 ] Department of Anatomical Sciences, St. George's University School of Medicine, Grenada, West Indies
                [3 ] Seattle Science Foundation
                [4 ] Neurosurgery, Seattle Science Foundation
                Author notes
                Joshua D. Whitesides jwhitesi@ 123456sgu.edu
                Article
                DOI: 10.7759/cureus.1898
                PMC ID: 5790210
                SO-VID: c8cd5dba-41f0-4faf-a513-90e23c85fe5e
                Copyright © Copyright © 2017, Louis Jr et al.
                License:

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                Date received : 27 October 2017
                Date accepted : 30 November 2017
                Categories
                Subject: Cardiac/Thoracic/Vascular Surgery
                Subject: General Surgery
                Subject: Neurosurgery

                Keywords: long thoracic nerve,winged scapula,intercostal nerve,nerve transfer,neurotization
                Data availability:
                Keywords: long thoracic nerve, winged scapula, intercostal nerve, nerve transfer, neurotization

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