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326 Couldwell, William T.Resolution of an anterior-inferior cerebellar artery feeding aneurysm with the treatment of a transverse-sigmoid dural arteriovenous fistulaThe authors describe a 27-year old man who developed an unruptured anterior-inferior cerebellar artery feeding aneurysm from a transverse-sigmoid dAVF and its subsequent resolution with the treatment of the dAVF. The patient, with a known history of left transverse and sigmoid sinus thrombosis, pres...Aneurysms; Dural Arteriovenous Fistulas; Endovascular therapy; Surgery2007
327 Schmidt, Meic H.; MacDonald, Joel D.; Jensen, Randy L.; Couldwell, William T.Hypophysial transposition (hypophysopexy) for radiosurgical treatment of pituitary tumors involving the cavernous sinusStereotactic radiosurgery (SRS) is performed with increasing frequency in the treatment of residual or recurrent pituitary adenomas. Its major associated risk in these cases of residual or recurrent pituitary tumor adjacent to normal functional pituitary gland is radiation exposure to the pituitary,...Hypophysial transposition; Hypophysopexy; Pituitary tumors; Stereotactic radiosurgery; Pituitary transposition; Hypopituitarism2003
328 Couldwell, William T.Ventroposterior medial pallidotomy in patients with advanced Parkinson's diseaseIN A PRELIMINARY study, the effects of ventroposterior medial pallidotomy were evaluated in five patients with advanced Parkinson's disease in whom medical therapy had failed. The mean age was 67.0 ? 5.6 years, and t h e mean Hoelin and Yahr stage when "off" was 3.9 ? 1.3. Three patients received u...Pallidotomy; Dyskinesia; Stereotaxy; Postoperative morbidity1995
329 Schmidt, Meic H.; Apfelbaum, Ronald I.Chylorrhea: a rare complication of thoracoscopic discectomy of the thoracolumbar junctionThe thoracic duct along with the cisterna chyli is a major lymphatic pathway near the anterior thoracolumbar spine. Despite the fragile nature of the lymphatic system and its proximity to the spinal column, chylorrhea is rarely encountered by spine surgeons. The authors present a unique case of chyl...Chylous leak; Thoracoscopy; Thoracic spine; Thoracoscopic discectomy; Thoracolumbar junction; Chylorrhea2007
330 Schmidt, Meic H.Medical applications of space light-emitting diode technology-space station and beyondSpace light-emitting diode (LED) technology has provided medicine with a new tool capable of delivering light deep into tissues of the body, at wavelengths which are biologically optimal for cancer treatment and wound healing. This LED technology has already flown on Space Shuttle missions, and show...Photodynamic therapy; Lutetium Texaphyrin; Lutex; Canine glioma1999
331 Kestle, John R. W.; Walker, Marion L.Adjustment and malfunction of a programmable valve after exposure to toy magnetsInadvertent adjustments and malfunctions of programmable valves have been reported in cases in which patients have encountered powerful electromagnetic fields such as those involved in magnetic resonance imaging, but the effects of small magnetic fields are not well known. The authors present a ca...2004
332 Couldwell, William T.Vagus nerve stimulation activates central nervous system structures in epileptic patients during PET H2(15)O blood flow imagingOBJECTIVE: To determine the central areas of activation by vagal nerve stimulation (VNS) in epilepsy. VNS is a promising neurosurgical method for treating patients with partial and secondary generalized epilepsy. The anti-epileptic mechanism of action from VNS is not well understood. METHODS: We p...Epilepsy; Positron emission tomography; Thalamus; Vagus nerve stimulation1996
333 Schmidt, Meic H.Management of brain abscesses associated with halo fixationHalo orthoses are commonly used in the management of a variety of cervical spinal pathological conditions. Although placement of the cranial pins was initially believed to be safe with minimal complications, minor complications related to the cranial pins have the potential to create a setting for ...Cerebral abscess; Cranial pin; Halo orthosis; Halo fixation; Inner table of skull2008
334 Couldwell, William T.Interpositional dural graft technique for the treatment of dural arteriovenous fistulasDural arteriovenous fistulas (dAVFs) are acquired direct arteriovenous shunts that often drain into the dural venous sinus. Treatment options generally involve disrupting the abnormal vascular conduits by using a combination of modalities, including surgical disconnection, radiosurgery, and transar...2007
335 Dailey, Andrew T.Complement depletion reduces macrophage infiltration and activation during Wallerian degeneration and axonal regenerationAfter peripheral nerve injury, macrophages infiltrate the degenerating nerve and participate in the removal of myelin and axonal debris, in Schwann cell proliferation, and in axonal regeneration. In vitro studies have demonstrated the role serum complement plays in both macrophage invasion and activ...1998
336 Schmidt, Meic H.; Apfelbaum, Ronald I.Atlantoaxial transarticular screw fixation: a review of surgical indications, fusion rate, complications, and lessons learned in 191 adult patientsObject. In this, the first of two articles regarding C1-2 transarticular screw fixation, the authors assessed the rate of fusion, surgery-related complications, and lessons learned after C1-2 transarticular screw fixation in an adult patient series. Methods. The authors retrospectively reviewed 191 ...Atlantoaxial junction; Craniocervical junction; Instability; Transarticular screw fixation; Fusion2005
337 Dailey, Andrew T.Intracranial vascular anastomosis using the microanastomotic systemThe authors describe the use of a microanastomotic device to perform intracranial end-to-end vascular anastomoses. Direct end-to-end anastomosis was performed between the superficial temporal artery and branches of the middle cerebral artery (MCA) in three patients. Two patients had moyamoya disease...Microanastomotic system; Intracranial anastomosis; Superficial temporal-middle cerebral artery bypass; Carotid occlusion1998
338 Gottfried, Oren N.; Liu, James K.; Couldwell, William T.Comparison of radiosurgery and conventional surgery for the treatment of Glomus Jugulare tumorsObjective: The optimal management of glomus jugulare tumors remains controversial. Available treatments were once associated with poor outcomes and significant complication rates. Advances in skull base surgery and the delivery of radiation therapy by stereotactic radiosurgery have improved the resu...Glomus Jugulare; Radiosurgery; Radiotherapy; Skull Base; Surgery2004-07-07
339 Couldwell, William T.Photophobia in a blind patient: an alternate visual pathwayPhotophobia is a common neurological and ophthalmological symptom that has been associated with a growing number of neurosurgical conditions, especially compressive lesions. The exact signaling pathways and neurophysiological features of the disorder are not well understood; however, data from mult...2006-11
340 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 4: radiographic assessment of fusionStandards. Static lumbar radiographs are not recommended as a stand-alone means to assess fusion status following lumbar arthrodesis surgery. Guidelines. 1) Lateral flexion and extension radiography is recommended as an adjunct to determine the presence of lumbar fusion postoperatively. The lack ...Lumbar fusion; Lumbar spine; Degenerative disease; Practice guidelines; Radiographic assessment2005
341 Couldwell, William T.Management of pituitary adenomasWe present an overview of the management of pituitary adenomas, with discussions of microanatomy, of diagnostic studies of general neuroendocrine function, and of radiologic evaluation. We discuss the diagnosis of pituitary adenoma and its treatment with sections on null cell, prolactin (PRL)-secre...Pituitary adenoma; Transsphenoidal surgery; Corticotropin; Prolactin; Growth hormone; Transcranial surgery1994
342 Kestle, John R. W.Work hour restrictions: impact on neurosurgical resident training at the University of UtahResident work hour restrictions imposed by the Accreditation Council for Graduate Medical Education became effective on July 1, 2003. To evaluate the effect of these regulations on resident operative experience, we reviewed and compared the surgical experience of junior and senior neurosurgical res...Neurosurgical resident training; Work hour restrictions2006
343 Couldwell, William T.Irving S. Cooper and the early surgical management of movement disordersIrving S. Cooper was a pioneer in the field of functional neurosurgery. During his very productive and controversial career, he proposed the surgical treatment of Parkinson disease (PD) by ligating the anterior choroidal artery to control tremor and rigidity. Subsequently, he developed seminal techn...Functional neurosurgery; Movement disorder; Video2001
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