The spine journal : official journal of the North American Spine Society
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Case Reports
Spinal dural arteriovenous fistula with hematomyelia caused by intraparenchymal varix of draining vein.
Hemorrhage that results from spinal dural arteriovenous fistula (Type I arteriovenous malformation [AVM]) is uncommon. There are some reports of subarachnoid hemorrhage and subdural hematoma caused by Type I spinal AVM, but there are few reported cases of hematomyelia caused by spinal dural arteriovenous fistula. ⋯ It must be kept in mind that spinal dural arteriovenous fistulas (Type I spinal AVM) has possibility of hematomyelia origin, despite the fact that it is extremely rare.
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Previous publications have reported results with respect to functional outcome and sexual function in young women after traumatic injuries to the pelvis. It is well known that anterior spinal surgery has the possibility of causing reproductive dysfunction in men. Little has been described concerning deleterious effects of anterior spinal surgery in women of childbearing age. ⋯ Although the cesarean-section rate appears high, it is consistent with the current obstetrical trends. Anesthesiologists appear less inclined to offer neuraxial anesthesia to a population which has undergone anterior spinal surgery.
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Case Reports
Treatment of a persistent iatrogenic cerebrospinal fluid-pleural fistula with a cadaveric dural-pleural graft.
A cerebrospinal fluid (CSF)-pleural fistula is a unique condition with which all spine surgeons need to be familiar, particularly those who use anterolateral approaches to the thoracic region. When direct suturing of the dural defect is not possible, techniques for indirect repair must be considered. ⋯ Anterolateral thoracic disc surgery poses a great challenge to the spine surgeon but can provide the most direct way of decompressing the spinal cord as a result of ventral pathology. Some of the most difficult aspects of dealing with a CSF leak in this area relates to 1) the relative complexity of suturing the dura directly as it is at a considerable distance from the operating surgeon; 2) the manner in which the contralateral dura slopes away and is hidden from view; and 3) the relatively negative intrathoracic pressure, which encourages the persistent flow of CSF from the intradural to the pleural cavity. We speculate that with open thoracic surgery and the creation of a large potential space with an open dural defect, this technique provided an additional barrier against the formation of a CSF-pleural fistula. Using this technique, we intentionally create a pseudomeningocele into the corpectomy defect that is contained within the confines of our dural-pleural graft.