Download Spinal Reconstruction: Clinical Examples of Applied Basic by Kai-Uwe Lewandrowski, Michael J. Yaszemski, Iain Kalfas, PDF

By Kai-Uwe Lewandrowski, Michael J. Yaszemski, Iain Kalfas, Paul Park, Robert F. McLain, Debra J. Trantolo

With an ever-expanding array of biomaterials and implant units showing within the box, this resource is helping surgeons determine and make the most of the most recent applied sciences to enhance the reconstruction of the backbone and increase the reconstitution of diseased spinal segments. With illustrative descriptions of particular scientific situations, this consultant is helping surgeons pick out the easiest units and fabrics for reconstructive tactics and considers matters in biocompatibility, biostability, and structure-function relationships for more suitable sufferer results and mobility.

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Additional resources for Spinal Reconstruction: Clinical Examples of Applied Basic Science, Biomechanics and Engineering

Example text

As no nerve root motion is occurring, the radicular pain elicited by this maneuver is a consequence of nerve root tension (43). In asymptomatic patients, this movement is nonpainful despite the same amount of tension placed on the neural elements. Provocative SLR has been demonstrated to be indicative of elevated prostaglandin E2 levels at the disc herniation –nerve root interface (47). Hence, dural tension signs are markers of nerve root inflammation and do not necessarily imply nerve root compression.

43) demonstrated stretch without displacement of the nerve root upon raising the affected limb 20– 30 to 708. As no nerve root motion is occurring, the radicular pain elicited by this maneuver is a consequence of nerve root tension (43). In asymptomatic patients, this movement is nonpainful despite the same amount of tension placed on the neural elements. Provocative SLR has been demonstrated to be indicative of elevated prostaglandin E2 levels at the disc herniation –nerve root interface (47).

Each patient demonstrated a corroborative disc herniation of 5 mm. Also, in each instance, there had to be an objective correlating finding indicative of root involvement: myotomal deficit, or positive electrodiagnostic evaluation, or positive diagnostic selective nerve root block. 3 at six months, and eight patients were without pain at six months. Their findings were sustained at 12 months in that 19 of 21 patients experienced successful outcome (121). 4. The average duration of preprocedure symptoms was 10 months, and each patient had been deemed an appropriate operative candidate by a fellowship-trained spine surgeon (121).

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