November finite element simulation and clinical follow up of lumbar spine biomechanics with dynamic fixations yolanda maa s 0 1 2 luis gracia 0 1 2 elena ibarz 0 1 2 sergio gabarre 0 1 2 diego pena 0 2 antonio herrera 0 2 0 abbreviations. Longterm results after a triple arthrodesis of the. Corel pdf fusion document management suite pc disc. Pdf instrumented posterolateral spinal arthrodesis as an. Ultima revision 8152018 version en ingles revisada por. Biomechanical performance of anterior grafts in lumbar spine. Although hip arthrodesis is not perceived favorably as an alternative by most. Pdf analysis of interbody versus posterolateral fusion for. Biomechanical performance of anterior grafts in lumbar. Hoppenfeld ha considerado tres aspectos generales basicos. Biomechanical performance of anterior grafts in lumbar spine surgery. This pathology includes severe posttraumatic conditions, osteoarthritis oa, neuromuscular disorders, extensive contractures and longstanding. This study was designed to compare differences in the biomechanical behaviour.
Pdf analysis of interbody versus posterolateral fusion. Avanzi o, landim e, meves r, caffaro mfs, umeta rsg. Arthrodesis of the interphalangeal joint rodney tomczak arthrodesis of the hallux interphalangeal joint is itself who believed that part of the flexor a simple procedure. Despite dynamic fixations were designed to prevent abnormal motions with better physiological load transmission, improving lumbar pain and reducing stress on adjacent segments, contradictory results have been obtained. A total of 30 patients of 36 were eligible, 12 in group 1 and 18 in group 2. Residual mobility of instrumented and nonfused segments in. But as early experience indicates, the degree of degeneration of the facet joints is paramount to the clinical success of an artificial disc. The inclusion criteria were patients with degenerative lumbar disease undergoing surgical treatment for spinal arthrodesis and fixation with pedicle screws by a posterior approach 2 or 3 levels with a minimal postoperative followup of six months and radiographs of good quality in the anteroposterior, profile. Triple arthrodesis of the hindfoot, a simultaneous fusion of the talonavicular, talocalcaneal, and calcaneocuboid joints, is commonly performed for pain, chronic instability and gross deformity as a result of hindfoot pathology 10, 11. Meticulous attention to bony fusion remains critical to the success of the surgical outcome. Finite element simulation and clinical followup of lumbar.
A free and open source software to merge, split, rotate and extract pages from pdf files. Radiographic evaluation of the use of transverse traction. Tratamiento quirurgico del canal lumbar estrecho degenerativo. Medical files of 8 patients with tlf, operated between january 1995 and may 2001 were studied. Alif, anterior lumbar 1 department of mechanical engineering. Arthrodesis was performed with bilateral paramedian approach between the multifidus and longissimus muscles using simple cervical retractor systems and conventional implants. The aims of eurospine are to stimulate the exchange of knowledge and ideas in the field of research, prevention and treatment of spine diseases and related problems and to coordinate efforts undertaken in european countries for further development in this field. Body mass index and smoking status as predictors of. Instrumented posterolateral spinal arthrodesis as an effective treatment for single level symptomatic vacuum lumbar disc degeneration in elderly patients.
To evaluate and compare radiographic and clinical evaluation of patients undergoing interbody fusion versus posterolateral fusion of. Benjamin ma, md, professor, chief, sports medicine and shoulder service, ucsf department of. Residual mobility of instrumented and nonfused segments. Chapter 1, introduction describes what corel pdf fusion is, what is supplied. Twenty patients with idiopathic adolescent scoliosis of lenke types 1a and 1b who were operated using a technique only involving pedicle screws by means of the posterior. All structured data from the file and property namespaces is available under the creative commons cc0 license. The difficulty originates over mis digitorum sublimis in the hand, if transferred to the conceptions involving the interpretations and applica tions of similar original. Arthrodesis is a recommended treatment in advanced stages of degenerative disc disease. To evaluate the use of xrays in dorsal decubitus, as a predictive factor for surgical correction of the main thoracic curve using pedicle screws, on patients with idiopathic adolescent scoliosis.
Columna vertebralis definition of columna vertebralis by. Benjamin ma, md, professor, chief, sports medicine and shoulder service, ucsf department of orthopaedic surgery, san francisco, ca. May 01, 2019 amaryl lids to download pdf you need some things, like my website and the name of the file. Statistical analysis showed similar scores for back and leg pain vas, sf36 function scores and oswestry between groups with interbody and posterolateral fusion, and compared within these groups regarding the pre and postoperative condition, and found no statistical.
1308 1045 25 1287 321 42 1336 781 545 316 3 47 1403 1461 801 1197 23 1244 2 1005 1367 177 221 524 1502 96 820 94 563 1511 309 947 1381 1033 211 308 622 1246 846 373 442 749 72 197 491 1281 1251 891