In this case, the delayed esophageal perforation occurred 11 years after initial surgery: the rapid progression of the screw extrusion after initial pull-out (6 days) was documented by several radiographs and spontaneous closure of the fistula was achieved.
OBJECTSpacers placed between the lumbar spinous processes represent a promising surgical treatment alternative for a variety of spinal pathologies. They provide an unloading distractive force to the stenotic motion segment, restoring foraminal height, and have the potential to relieve symptoms of degenerative disc disease. The authors performed a retrospective, multicenter nonrandomized study consisting of 1108 patients to evaluate implant survival and failure modes after the implantation of 8 different interspinous process devices (IPDs).METHODSThe medical records of patients who had undergone placement of an IPD were retrospectively evaluated, and demographic information, diagnosis, and preoperative pain levels were recorded. Preoperative and postoperative clinical assessments in the patients were based on the visual analog scale. A minimum of 3 years after IPD placement, information on long-term outcomes was obtained from additional follow-up or from patient medical and radiological records.RESULTSOne thousand one hundred eight patients affected by symptomatic 1- or 2-level segmental lumbar spine degenerative disease underwent placement of an IPD. The complication rate was 7.8%. There were 27 fractures of the spinous process and 23 dura mater tears with CSF leakage. The ultimate failure rate requiring additional surgery was 9.6%. The reasons for revision, which always involved removal of the original implant, were acute worsening of low-back pain or lack of improvement (45 cases), recurrence of symptoms after an initial good outcome (42 cases), and implant dislocation (20 cases).CONCLUSIONSThe IPD is not a substitute for a more invasive 3-column fusion procedure in cases of major instability and spondylolisthesis. Overdistraction, poor bone density, and poor patient selection may all be factors in the development of complications. Preoperatively, careful attention should be paid to bone density, appropriate implant size, and optimal patient selection.
Tissudura is simple, efficacious and safe to use. The use of fibrin glue reduces suturing and facilitates the implantation of the collagen biomatrix. Its transparency makes it unique and beneficial in inspection of the underlying area of operation. The lack of adverse reaction indicates that this graft may be used as an option in the repair of dural defects.
The polyester band is soft and flexible, and the anterior-posterior spinal canal space occupied by the band is less than by sublaminar wire steel cable, thus avoiding direct spinal cord trauma during sublaminar passage. The flat configuration of the cable distributes the load over a larger contact area under the lamina compared to metal wires without producing imaging artefacts in postoperative imaging. This preliminary report demonstrates the efficacy and safety of this technique for the stabilization of thoracolumbar spinal disorders.
Pure intramedullary spinal-cord metastases (ISCM) are a rare manifestation of cancer. We report a case of ISCM from gastric cancer. A 68-year-old man, treated with total gastrectomy for a gastric cancer, presented 9 months later with paresis of the left arm, pain and dissociated sensory loss. Magnetic resonance imaging revealed a pure intramedullary lesion at the C3-C5 level. After surgical resection, pathological findings revealed an undifferentiated adenocarcinoma of gastric origin. To our knowledge, this is only the second report of ISCM from gastric cancer in the literature.
The BERG technique is a safe, effective, simplified, less technically demanding alternative approach when performing ALIF procedures, without the morbidity associated with laparoscopic or traditional approaches.
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