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Quadriplegia is a well-known complication of posterior fossa surgery performed while the patient is in the sitting position but is rarely associated with the prone position. A case of an 18-year-old man with a cerebellar medulloblastoma is described. There was no evidence of previous cervical disease. The patient suffered quadriplegia after undergoing(More)
OBJECT Paraspinal muscle injury is a common but neglected complication of posterior spinal surgery. Evidence suggests that surgical retraction places mechanical and oxidative stress on the paraspinal muscles and that inflammation is a major postoperative pathological finding in the muscles. The roles of cyclooxygenase (COX)-2 and nuclear factor (NF)-kappaB(More)
OBJECTIVE Chronic shoulder pain is difficult to treat, and the efficacy of most interventions is limited. This study was conducted to evaluate pulsed mode radiofrequency (PRF) lesioning of the suprascapular nerve for treating chronic shoulder pain. Interventions. Thirteen procedures using PRF lesioning of suprascapular nerve were performed under(More)
OBJECTIVE To compare the efficacy of percutaneous vertebroplasty (PV) with conservative therapy for patients with acute vertebral compression fractures. DESIGN Prospective, nonrandomized, comparison study. BACKGROUND The efficacy of PV has not been well established because there have been few comparative studies with conservatively treated control(More)
BACKGROUND The identification of reliable outcome predictors after traumatic brain injury (TBI) is crucial. The objective of our study was to investigate the role of tau protein as a serum marker of TBI. METHODS Thirty-four patients with severe TBI (Glasgow Coma Scale [GCS] score at admission <or= 8) were considered. The tau protein level in the blood(More)
OBJECTIVES Ischemic spinal cord injury is a serious complication of aortic surgery. Although the extracellular signal-regulated kinases 1 and 2 are generally regarded as related to cell proliferation and survival, increasing evidence suggests that the role of the extracellular signal-regulated kinase pathway in ischemia/reperfusion injury is much more(More)
OBJECTIVE The present study was performed to ascertain whether sacroiliac joint (SIJ) pain represents a potential source of pain in patients who have undergone lumbar or lumbosacral fusions. DESIGN Prospective cohort study. PATIENTS AND METHODS Between June 2007 and June 2009, 130 patients who underwent lumbar or lumbosacral fusions were evaluated for(More)
BACKGROUND Although serum tau protein levels increase following TBI, the time course is unknown. The aim of the present study was to determine whether serum tau protein levels increased in both a severity-dependent and time-dependent manner in an experimental model of rat traumatic brain injury (TBI). METHODS A total of 24 Sprague-Dawley rats were(More)
OBJECT Multilevel long-segment lumbar fusion poses a high risk for future development of adjacent-segment degeneration (ASD). Creating a dynamic transition zone with an interspinous process device (IPD) proximal to the fusion has recently been applied as a method to reduce the occurrence of ASD. The authors report their experience with the Device for(More)
OBJECTIVE To elucidate the risk factors for a subsequent vertebral compression fracture following percutaneous vertebroplasty, we analyzed the potential predictors of vertebral compression fractures adjacent to or remote from fractures previously treated with percutaneous vertebroplasty. DESIGN This is a retrospective cohort study. BACKGROUND A major(More)