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Creator | Title | Description | Subject | Date |
| 301 |
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Couldwell, William T.; MacDonald, Joel D. | Revision of vagal nerve stimulator electrodes: technical approach | Purpose To demonstrate the feasibility of complete removal of the vagal nerve stimulator electrode using microsurgical technique. Methods Operative databases at the University of Utah (1995 through 2002), Westchester Medical Center (1995 through 2001), and University of Arizona Health Sciences Ce... | Vagal nerve stimulation; Helical electrode; Electrode revision | 2004 |
| 302 |
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Dailey, Andrew T.; Moore, Kevin R. | Value of MR neurography for evaluating extraspinal neuropathic leg pain: a pictorial essay | Summary: Fifteen patients with neuropathic leg pain referable to the lumbosacral plexus or sciatic nerve underwent high-resolution MR neurography. Thirteen of the patients also underwent routine MR imaging of the lumbar segments of the spinal cord before undergoing MR neurography. Using phased-array... | MR neurography; Neuropathic leg pain; Extraspinal; Lumbosacral plexus | 2001 |
| 303 |
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Couldwell, William T. | Defining postoperative values for successful resection of prolactinomas | We, as other authors, have noted that late relapse of hyperprolactinemia following apparent successful adenomectomy in women harboring microprolactinomas is not rare.[1-3] On retrospective review of a series of tumors treated at the University of Southern California teaching hospitals, we have foun... | Hyperprolactinemia; Microadenoma; Prolactin | 1996 |
| 304 |
 |
Couldwell, William T. | Resolution of an anterior-inferior cerebellar artery feeding aneurysm with the treatment of a transverse-sigmoid dural arteriovenous fistula | The 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; Surgery | 2007 |
| 305 |
 |
Schmidt, Meic H.; MacDonald, Joel D.; Jensen, Randy L.; Couldwell, William T. | Hypophysial transposition (hypophysopexy) for radiosurgical treatment of pituitary tumors involving the cavernous sinus | Stereotactic 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; Hypopituitarism | 2003 |
| 306 |
 |
Couldwell, William T. | Ventroposterior medial pallidotomy in patients with advanced Parkinson's disease | IN 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 morbidity | 1995 |
| 307 |
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Schmidt, Meic H.; Apfelbaum, Ronald I. | Chylorrhea: a rare complication of thoracoscopic discectomy of the thoracolumbar junction | The 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; Chylorrhea | 2007 |
| 308 |
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Schmidt, Meic H. | Medical applications of space light-emitting diode technology-space station and beyond | Space 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 glioma | 1999 |
| 309 |
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Kestle, John R. W.; Walker, Marion L. | Adjustment and malfunction of a programmable valve after exposure to toy magnets | Inadvertent 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 |
| 310 |
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Couldwell, William T. | Vagus nerve stimulation activates central nervous system structures in epileptic patients during PET H2(15)O blood flow imaging | OBJECTIVE: 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 stimulation | 1996 |
| 311 |
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Schmidt, Meic H. | Management of brain abscesses associated with halo fixation | Halo 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 skull | 2008 |
| 312 |
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Couldwell, William T. | Interpositional dural graft technique for the treatment of dural arteriovenous fistulas | Dural 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 |
| 313 |
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Dailey, Andrew T. | Complement depletion reduces macrophage infiltration and activation during Wallerian degeneration and axonal regeneration | After 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 |
| 314 |
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Schmidt, Meic H.; Apfelbaum, Ronald I. | Atlantoaxial transarticular screw fixation: a review of surgical indications, fusion rate, complications, and lessons learned in 191 adult patients | Object. 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; Fusion | 2005 |
| 315 |
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Dailey, Andrew T. | Intracranial vascular anastomosis using the microanastomotic system | The 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 occlusion | 1998 |
| 316 |
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Gottfried, Oren N.; Liu, James K.; Couldwell, William T. | Comparison of radiosurgery and conventional surgery for the treatment of Glomus Jugulare tumors | Objective: 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; Surgery | 2004-07-07 |
| 317 |
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Couldwell, William T. | Photophobia in a blind patient: an alternate visual pathway | Photophobia 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 |
| 318 |
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Dailey, Andrew T. | Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 4: radiographic assessment of fusion | Standards. 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 assessment | 2005 |
| 319 |
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Couldwell, William T. | Management of pituitary adenomas | We 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 surgery | 1994 |
| 320 |
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Kestle, John R. W. | Work hour restrictions: impact on neurosurgical resident training at the University of Utah | Resident 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 restrictions | 2006 |
| 321 |
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Couldwell, William T. | Irving S. Cooper and the early surgical management of movement disorders | Irving 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; Video | 2001 |
| 322 |
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Dailey, Andrew T. | Risk factors for respiratory failure following operative stabilization of thoracic and lumbar spine fractures | Background: Respiratory failure is a serious complication that can adversely affect the hospital course and survival of multiply injured patients. Some studies have suggested that delayed surgical stabilization of spine fractures may increase the incidence of respiratory complications. However, the... | Respiratory failure; Operative stabilization; Thoracic spine; Lumbar spine | 2006 |
| 323 |
 |
Kestle, John R. W. | Moyamoya phenomenon after radiation for optic glioma | The role of radiotherapy in the management of patients with optic pathway glioma is controversial. In a series of patients with optic pathway glioma treated at The Hospital for Sick Children in Toronto, five children were encountered who developed moyamoya phenomenon after radiotherapy. A retrospec... | Optic pathway glioma | 1993 |
| 324 |
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Couldwell, William T.; Orlandi, Richard R.; Apfelbaum, Ronald I. | Novel closure technique for the endonasal transsphenoidal approach: Technical note | Transsphenoidal microsurgery has been the standard approach to sellar lesions since the repopularization of the technique with modifications by Dott, Guiot, and Hardy. The endonasal transseptal transsphenoidal approach, as introduced by Hirsch, is still commonly used by pituitary surgeons to remove ... | | 2004 |
| 325 |
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Couldwell, William T. | Pituitary apoplexy: diagnosis and management | Pituitary apoplexy, an uncommon complication of pituitary adenomas, was first decribed in 1898 when pearce Bailey reported hemorrhage into a pituitary adenoma in a 50 year old man with acromegaly. The patient presented with sudden onset of headache, nausea, vomiting, fever, oculomotor palsies, and v... | Pituitary Apoplexy; Pituitary adenoma; Transsphenoidal surgery | 2003 |
