Subscribe: pubmed: 1547-5654
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pubmed: 1547-5654



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Fluoroscopy-guided percutaneous vertebroplasty for symptomatic loosened pedicle screw and instrumentation-associated vertebral fracture: an evaluation of initial experiences and technical note.
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Fluoroscopy-guided percutaneous vertebroplasty for symptomatic loosened pedicle screw and instrumentation-associated vertebral fracture: an evaluation of initial experiences and technical note.

J Neurosurg Spine. 2018 Jan 12;:1-8

Authors: Fu TS, Li YD

Abstract
OBJECTIVE For symptomatic loosened pedicle screws and instrumentation-associated vertebral fracture, extensive surgery to remove the pedicle screws and extend the instrumentation, along with the reinsertion of more pedicle screws, is usually the treatment of choice. After such a surgery, however, similar complications will still be encountered. In this study the authors propose minimally invasive percutaneous cement augmentation under fluoroscopic guidance as a salvage procedure that eliminates the inherent risks of conventional extensive surgery. METHODS The records for 10 consecutive patients who had undergone fluoroscopy-guided percutaneous cement augmentation for loosened pedicle screws and instrumentation-associated vertebral fractures were reviewed. The procedures, performed with the patients under local anesthesia, were basically similar to vertebroplasty except for the preexisting pedicle screws. The trocar was inserted under fluoroscopic guidance, along the path of the loosened pedicle screw, using the latero-pedicular approach. The visual analog scale (VAS) and radiographic images were used for clinical outcome assessment at 3, 6, and 12 months after surgery. RESULTS The mean follow-up period was 14.3 months. The mean postoperative hospital stay was 1.2 days. There was neither cement leakage into the posterior neuroforamen nor neurological complication in this series. The mean VAS score improved from 5.9 preoperatively to 2.5 at the last follow-up (p = 0.02). Eight patients obtained satisfactory results and 2 needed revision open surgery. CONCLUSIONS The results demonstrate that minimally invasive fluoroscopy-guided percutaneous vertebroplasty is technically feasible and can be performed safely and effectively for symptomatic loosened pedicle screws and instrumentation-associated vertebral fracture.

PMID: 29327973 [PubMed - as supplied by publisher]




Albert Dereymaeker and Joseph Cyriel Mulier's description of anterior cervical discectomy with fusion in 1955.
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Albert Dereymaeker and Joseph Cyriel Mulier's description of anterior cervical discectomy with fusion in 1955.

J Neurosurg Spine. 2018 Jan 12;:1-6

Authors: Bartels RHMA, Goffin J

Abstract
Anterior cervical discectomy with fusion (ACDF) is a very well-known and often-performed procedure in the practice of spine surgeons. The earliest descriptions of the technique have always been attributed to Cloward, Smith, and Robinson. However, in the French literature, this procedure was also described by others during the exact same time period (in the 1950s). At a meeting in Paris in 1955, Belgians Albert Dereymaeker and Joseph Cyriel Mulier, a neurosurgeon and an orthopedic surgeon, respectively, described the technique that involved an anterior cervical discectomy and the placement of an iliac crest graft in the intervertebral disc space. In 1956, a summary of their oral presentation was published, and a subsequent paper-an illustrated description of the technique and the details of a larger case series with a 3.5-year follow-up period-followed in 1958. The list of authors who first described ACDF should be completed by adding Dereymaeker's and Mulier's names. They made an important contribution to the practice of spinal surgery that was not generally known because they published in French.

PMID: 29327972 [PubMed - as supplied by publisher]