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      Removal of a below knee plaster cast worn for 28 months: a case report

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          Abstract

          Introduction

          An unusual situation in which a below knee cast was removed after 28 months is reported. To the best of our knowledge no similar cases have been reported in the literature.

          Case presentation

          The cast was removed from the leg of a 45-year-old Caucasian woman. Significant muscle atrophy and dense skin scales were present but the underlying skin surface was relatively healthy with only small pitted 1-2 mm ulcers. No pathogenic organisms were cultured from this environment.

          Conclusion

          It seems likely that skin can tolerate cast immobilization for prolonged duration.

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          Most cited references5

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          Cast and splint immobilization: complications.

          During the past three decades, internal fixation has become increasingly popular for fracture management and limb reconstruction. As a result, during their training, orthopaedic surgeons receive less formal instruction in the art of extremity immobilization and cast application and removal. Casting is not without risks and complications (eg, stiffness, pressure sores, compartment syndrome); the risk of morbidity is higher when casts are applied by less experienced practitioners. Certain materials and methods of ideal cast and splint application are recommended to prevent morbidity in the patient who is at high risk for complications with casting and splinting. Those at high risk include the obtunded or comatose multitrauma patient, the patient under anesthesia, the very young patient, the developmentally delayed patient, and the patient with spasticity.
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            Safety of total contact casting in high-risk patients with neuropathic foot ulcers.

            Total contact casting (TCC) is effective in offloading the plantar aspect of the foot in patients with diabetes and neuropathic ulcers. These patients are considered at high risk for skin-related complications during TCC because of sensory neuropathy. The purpose of this prospective study was to determine the frequency of complications during treatment of neuropathic ulcers with TCC. Thirteen patients with 18 neuropathic ulcers were treated with TCC. The same orthopaedic surgeon applied a consecutive series of 82 total contact casts. The initial cast was changed in 3 to 4 days, while subsequent casts were changed weekly. Fourteen complications occurred during the 82 castings (17%). None of the complications required alteration in the treatment protocol. Thirteen of the 14 complications involved skin irritation and the other complication was from a cast that became too tight. Fifteen of the 18 neuropathic ulcers healed with TCC. TCC can be used safely in high-risk patients with neuropathic problems, but minor complications should be anticipated. Major complications that interfere with the treatment of the plantar ulcer can be minimized with careful technique, close follow-up, and thorough patient education.
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              Changes in inorganic phosphate and force production in human skeletal muscle after cast immobilization.

              Cast immobilization is associated with decreases in muscle contractile area, specific force, and functional ability. The pathophysiological processes underlying the loss of specific force production as well as the role of metabolic alterations are not well understood. The aim of this study was to quantify changes in the resting energy-rich phosphate content and specific force production after immobilization. (31)P-magnetic resonance spectroscopy, three-dimensional magnetic resonance imaging, and isometric strength testing were performed in healthy subjects and patients with an ankle fracture after 7 wk of immobilization and during rehabilitation. Muscle biopsies were obtained in a subset of patients. After immobilization, there was a significant decrease in the specific plantar flexor torque and a significant increase in the inorganic phosphate (P(i)) concentration (P < 0.001) and the P(i)-to-phosphocreatine (PCr) ratio (P < 0.001). No significant change in the PCr content or basal pH was noted. During rehabilitation, both the P(i) content and the P(i)-to-PCr ratio decreased and specific torque increased, approaching control values after 10 wk of rehabilitation. Regression analysis showed an inverse relationship between the in vivo P(i) concentration and specific torque (r = 0.65, P < 0.01). In vitro force mechanics performed on skinned human muscle fibers demonstrated that varying the P(i) levels within the ranges observed across individuals in vivo (4-10 mM) changed force production by approximately 16%. In summary, our findings clearly depict a change in the resting energy-rich phosphate content of skeletal muscle with immobilization, which may negatively impact its force generation.
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                Author and article information

                Journal
                J Med Case Reports
                Journal of Medical Case Reports
                BioMed Central
                1752-1947
                2011
                22 February 2011
                : 5
                : 74
                Affiliations
                [1 ]Department of Orthopaedics, Cumberland Infirmary, Newtown Road, Carlisle, Cumbria CA2 7HY, UK
                Article
                1752-1947-5-74
                10.1186/1752-1947-5-74
                3052193
                21342513
                4dbddcb6-a835-440a-a682-a58d2e52c03a
                Copyright ©2011 Ingoe et al; licensee BioMed Central Ltd.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 30 June 2010
                : 22 February 2011
                Categories
                Case Report

                Medicine
                Medicine

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