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At least 649 records · Page 36Linked to original sources
PubMed1987

Back pain and epidural spinal cord compression.

Back pain, one of man's most common afflictions, can be caused by a wide variety of disorders ranging from exercise-induced lumbar strain to spinal cord compression by metastatic tumor. A rational approach to the diagnosis and management of the patient with back pain allows the physician to treat self-limited disorders without excessive workup while identifying those patients with malignant disease sufficiently early to prevent permanent neurological damage.

Adrenal Cortex Hormones↗
PubMed1997

Short-course radiotherapy (8 Gy x 2) in metastatic spinal cord compression: an effective and feasible treatment.

PURPOSE: To evaluate the clinical outcome and toxicity of a short-course regimen of radiotherapy (RT) in selected metastatic spinal cord compression (MSCC) patients. METHODS AND MATERIALS: Between 1993 and 1995, 53 consecutive patients with MSCC from low radio-responsive primary tumors (non small cell lung, kidney, head and neck and gastrointestinal carcinomas, melanoma and sarcomas), or more radio-responsive ones (breast and prostate carcinomas, myeloma and lymphomas) with paresis, plegia, low performance status (PS ECOG > or = 2), and/or short life expectation, underwent short-course RT; a single fraction of 8 Gy repeated after 1 week in responders or stable patients, for a total dose of 16 Gy. Of 49 (92%) evaluable cases, 4 (8%) underwent surgery plus RT and the other 45 RT alone. Medium doses of parenteral dexamethasone (8 mg x 2/d) were given in all cases and precautional anti-emetics to those treated with fields covering the upper abdomen (20 of 49 cases). Median follow up was 25 months (range, 6-34). Response was assessed according to back pain, and motor and bladder capacity before and after RT. RESULTS: Pain relief was achieved in 67% of patients and motor function response rate reached 63%. Early diagnosis and therapy were very important in predicting response to RT; all but two (91%) pretreatment walking patients and all but one (98%) with good bladder function preserved these capacities. On the contrary, when diagnosis was late, only 38% of nonambulatory patients and 44% of those with bladder retention improved. Median survival was 5 months, with a 30% probability of survival for 1 year. Length of survival was significantly longer for patients able to walk before and/or after RT. Good agreement between survival and duration of response was found with no evidence of relapse in the irradiated spine. Sickness appeared only in a few cases. Slight esophagitis was more frequent: dysphagia for solid foods in one-third of patients irradiated on the thoracic spine. Late toxicity was never recorded. CONCLUSION: The short-course RT adopted gave a clinical outcome comparable with that resulting from more protracted regimens with only slight side effects. The use of a few large treatment fractions could be explored considering the associated advantages for patients and radiotherapy centers often overloaded by long patient waiting lists.

Adult↗
PubMed2000

Systemic hypothermia following spinal cord compression injury in the rat: an immunohistochemical study on MAP 2 with special reference to dendrite changes.

Systemic hypothermia has been shown to exert neuroprotective effects in experimental ischemic CNS models caused by vascular occlusions. The present study addresses the question as to whether systemic hypothermia has similar neuroprotective qualities following severe spinal cord compression trauma using microtubule-associated protein 2 (MAP2) immunohistochemistry combined with the avidin-biotin-peroxidase complex method as marker to identify neuronal and dendritic lesions. Fifteen rats were randomized into three equally sized groups. One group sustained thoracic laminectomy, the others severe spinal cord compression trauma of the T8-9 segment. The control group contained laminectomized animals submitted to a hypothermic procedure in which the esophageal temperature was reduced from 38 degrees C to 30 degrees C. The two trauma groups were either submitted to the same hypothermic procedure or kept normothermic during the corresponding time. All animals were sacrificed 24 h following the surgical procedure. The MAP2 immunostaining in the normothermic trauma group indicated marked reductions in MAP2 antigen in the cranial and caudal peri-injury zones (T7 and T10, respectively). This reduction was much less pronounced in the hypothermic trauma group. In fact, the MAP2 antigen was present in almost equally sized areas in both the hypothermic groups independent of previous laminectomy alone or the addition of trauma. Our study thus indicates that hypothermia has a neuroprotective effect on dendrites of rat spinal cords subjected to compression trauma.

Animals↗
PubMed1999

Assessing suspected spinal cord compression: a multidisciplinary outcomes analysis of 342 episodes.

The object of this work was to evaluate the assessment and document the outcomes of cancer patients with suspected spinal cord compression (SCC). In a retrospective cohort study of 342 episodes of suspected SCC in cancer patients evaluated by computed tomography (CT) of the spine, a multidisciplinary team of neurologists, radiologists, and oncologists assessed the impact of varying the anatomical criterion for SCC and including new SCC diagnosed shortly after definitive radiographical imaging. We developed a logistic regression model to identify independent clinical predictors of SCC, including the natural history of the underlying cancer as well as neurological and radiological risk factors. Management of suspected SCC infrequently involved neurology consultation (21% of episodes). The frequency of SCC increased more than four-fold when the definition was expanded to include epidural cancer rather than spinal cord displacement only (36% vs. 8%), and 90-day clinical follow-up identified few new lesions not evident on definitive imaging studies. Clinical information about the course of cancer (documentation and duration of metastatic cancer) added independent predictive information to that yielded by neurological assessment and prior imaging studies in a multiple regression model. The a priori predicted risk of SCC, which ranged from 4% to 87% in this study, may vary enough to affect treatment strategies, although our population may have excluded very-low-risk patients. Consistent anatomical definitions of SCC, clinical follow-up of definitive imaging studies and the addition of information on the natural history of cancer to traditional neurological and radiographical evaluation may all improve clinical assessment of suspected SCC in cancer patients.

Adolescent↗
PubMed2004

Craniovertebral instability with spinal cord compression in a 17-month-old boy with Sly syndrome (mucopolysaccharidosis type VII): a surgical dilemma.

STUDY DESIGN: A case study with review of surgical technique in craniovertebral stabilization for young children with mucopolysaccharidosis. OBJECTIVES: To describe an interesting patient with a rare metabolic disorder and review surgical technique for craniovertebral instability in this rare patient population. SUMMARY OF BACKGROUND DATA: Craniovertebral instability has been reported in patients with mucopolysaccharidosis and poses a problem for spinal surgery because of the inherent metabolic disorder and age at presentation. We present the first case of craniovertebral instability and spinal cord compression occurring in Sly syndrome (mucopolysaccharidosis type VII) who is the youngest patient afflicted with this metabolic disorder to undergo craniovertebral stabilization. METHODS: A 17-month-old boy presented with inability to support his head, decreasing muscle strength in all extremities, distended abdomen, and shortness of breath. The patient was found to have a dilated cardiomyopathy, hepatosplenomegaly, abnormal hepatobiliary function, corneal clouding, and a questionable tracheal anomaly. Genetic testing provided a diagnosis of Sly syndrome, mucopolysaccharidosis type VII. Magnetic resonance imaging revealed focal stenosis with significant spinal cord compression at the craniovertebral junction. Neurologic examination revealed normal muscle volume with strength 3/5 in all extremities and significant weakness in the neck muscles with instability at the craniovertebral junction. RESULTS: On a concerted preoperative medical clearance by pediatric intensive care, pediatric neuroanesthesia, pediatric cardiology, pediatric gastroenterology, and pediatric neurosurgery, the patient underwent occipital to C3 decompression and fusion with autogenous rib grafts. The patient was placed in a prefitted halo-vest after surgery and was neurologically intact. CONCLUSIONS: This case demonstrates the heterogeneity of cervical spine deformities among the mucopolysaccharidosis syndromes and confirms the propensity for deposition of glycosaminoglycans at the craniovertebral junction. Further studies should investigate the etiology for this propensity of glycosaminoglycan deposition at the craniovertebral junction. We think that this case demonstrates that, with appropriate preoperative planning, these patients can undergo successful posterior cervical arthrodesis despite their age or metabolic defects.

Atlanto-Occipital Joint↗
PubMed1999

Morphine-induced ventilatory failure after spinal cord compression.

We describe a patient who required large doses of parenteral morphine for severe pain secondary to epidural spinal cord compression caused by metastatic cancer. The pain improved suddenly after neurological progression to a complete cord compression. Shortly afterwards, the patient developed acute respiratory depression caused by an apparent relative overdose of morphine. Our hypothesis is that the cord compression relieved the pain by interrupting the nociceptive pathway. The dose of morphine was then physiologically excessive once the neurologic damage was completed and the pain had been relieved. We advise caution in patients receiving high doses of opioids in which a change in disease status or a pain-relieving intervention may produce rapid pain relief.

Analgesics, Opioid↗
PubMed2006

Retinoblastoma with spinal recurrence presenting as spinal cord compression.

Central nervous system (CNS) involvement is not rare in extraocular retinoblastoma, and it is not surprising to find it in view of its route of spread. However, although spinal recurrence presenting as spinal cord compression (SCC) is a form of CNS involvement, it is extremely rare. This report describes two patients with unilateral retinoblastoma with spinal recurrence presenting as SCC. The first patient developed erythematous swelling of the right foot and weakness of the bilateral lower limbs at 7 months after left enucleation. Examination revealed pitting edema of bilateral feet and muscle power of 2+ to 3+, with intact sensory function. The second patient developed weakness of the bilateral lower limbs, and defecative and urinary difficulty for 2 days at 8 months after left enucleation. Examination revealed pitting edema of bilateral feet and muscle power of 2+, with defective sensory function. Both patients received surgery and local irradiation after SCC. The first patient refused chemotherapy and survived only 4 months due to disease progression. The second patient received systemic and intrathecal chemotherapy, and survived 19.5 months without disease progression. Spinal recurrence with SCC should be suspected when leg weakness or bowel or bladder disturbance occurs in patients with retinoblastoma.

Child, Preschool↗
PubMed1982

Acute spinal cord compression in Scheuermann's disease.

Acute myelopathy is a rare complication of Scheuermann's disease. Three patients are reported where spinal cord compression occurred at the apex of a kyphos. All were male, aged 14, 18 and 20 years, and each had a profound neurological defect associated with a short, sharp kyphos in the low thoracic region. Each patient underwent anterior decompression and all made an almost full recovery. It is deduced that factors which may influence the onset of cord compression include the angle of kyphosis, the number of segments involved, the rate of change of the angle, local anatomical variations, trauma, and possible secondary impairment of the vasculature of the cord.

Adolescent↗