176 - 200 of 1,139
Number of results to display per page
176 Couldwell, William T.Combined transmastoid retro- and infralabyrinthine transjugular transcondylar transtubercular high cervical approach for resection of glomus jugulare tumorsCOMPLEX TUMORS OF the glomus jugulare present a surgical challenge because of their difficult location, extreme vascularity, and involvement with multiple cranial nerves. Modern microneurosurgical and cranial base techniques have enabled safe total removal of these complicated tumors. We describe a ...Cranial base approach; Surgical approach; Glomus jugulare tumor; Jugular foramen exposure; Microsurgical anatomy2006
177 Couldwell, William T.Comment on Aydin, K., et al: Localization of cerebrospinal fliud leaks by gadolinium-enhanced magnetic resonance cisternography: a 5-year single-center experienceThe Author's describe the use of intrathecal Gd-enhanced MR cisternography for the definition of cerebrospinal fluid leaks in 51 patients. They were able to identify the site of leak in 43 of 51 patients (84%). Although the technique is not new, most of the previous articles are found in the neuror...Cerebrospinal fluid leaks2007
178 Couldwell, William T.Comment on Kitano, M. and Taneda, M.: Extended transsphenoidal approach to the anterior communicating artery aneurysm: aneurysm incidentally identified during macroadenoma resectionKitano and Taneda describe the successful clipping of an ACoA aneurysm via the transsphenoidal approach. There are limitations of the approach; most notable are the limited and narrow corridor and the relationship between the aneurysm and the optic chiasm, which may hinder full visualization of the ...Aneurysm; Transsphenoidal approach2007
179 Couldwell, William T.Comment on Kitano, M., et al.: Subdural patch graft technique for watertight closure of large dural defects in extended transsphenoidal surgeryAhn and Kim demonstrate a suturing technique to close dural defects after transsphenoidal and extended transsphenoidal approaches. The technique entails a specifically designed forceps to cinch the knot down in the depths of the field. The Author's used the technique in 21 consecutive patients (16 e...Transsphenoidal surgery; CSF leaks2009
180 Couldwell, William T.Comment on Nugent, G. R.: Targeting the ventral lateral nucleus of the thalamus: a stereotactic vignetteDr. Nugent provides a fascinating personal account of his early experience with stereotactic surgery for movement disorders. I was especially pleased to read the positive comments regarding the personal interactions with and innovations of Irving Cooper, a neurosurgeon who was derided by his peers b...Stereotactic surgery; Stereotaxis2006
181 Couldwell, William T.Comment on Wong, H. T., et al.: Comparative impact of video consultation on emergency neurosurgical referralsThe Author's explored the facility and accuracy of telephone, teleradiology, or video consultation between a large general hospital and their tertiary neurosurgical center. Although there was increased diagnostic accuracy with video consultation or teleradiology, they note that consultation via vid...Teleradiology; Video consultation; Neurosurgical referrals2006
182 Couldwell, William T.Comment on: Chronic brain inflammation and persistent herpes simplex virus 1 thymidine kinase expression in survivors of syngeneic glioma treated by adenovirus-mediated gene therapy: implications for clinical trialsThe long-term consequences of adenovirus-mediated conditional cytotoxic gene therapy for gliomas remain uncharacterized. We report here detection of active brain inflammation 3 months after successful inhibition of syngeneic glioma growth. The inflammatory infiltrate consisted of activated macrophag...Brain inflammation; Herpes simplex virus-1; Thymidine kinase; Syngeneic glioma; Adenovirus-mediated gene therapy1994
183 Couldwell, William T.Communication between malignant glioma cells and vascular endothelial cells through gap junctionsObject. Extensive invasion and angiogenesis are hallmark features of malignant gliomas. Communication between malignant glioma cells and surrounding astrocytes occurs, resulting in transformation of the astrocytic phenotype. In the present study, the authors examined whether malignant glioma cells a...2003-01-01
184 Gesteland, Raymond F.; Wills, Norma M.; Atkins, John F.Comparative studies of frameshifting and nonframeshifting RNA pseudoknots: a mutational and NMR investigation of pseudoknots derived from the bacteriophage T2 gene 32 mRNA and the retroviral gag-pro frameshift siteMutational and NMR methods were used to investigate features of sequence, structure, and dynamics that are associated with the ability of a pseudoknot to stimulate a "1 frameshift. In vitro frameshift assays were performed on retroviral gag-pro frameshift-stimulating pseudoknots and their derivati...Frameshifting; NMR; Pseudoknot; Retrovirus2002
185 Kestle, John R. W.Comparison between magnetic resonance imaging and computed tomography for stereotactic coordinate determinationThe spatial accuracy of magnetic resonance imaging (MRI) has not been established for stereotactic surgery. Magnetic susceptibility artifacts may lead to anatomical distortion and inaccurate stereotactic MRI coordinates, especially when targets are in regions of the brain out of the center of the ma...Computed tomography; Stereotactic coordinates; Stereotactic surgery1992
186 Dailey, Andrew T.; Brodke, Darrel S.Comparison of computerized tomography and direct visualization in thoracic pedicle screw placementObject. To validate computerized tomography (CT) scanning as a tool to assess the accuracy of thoracic pedicle screw placement, the authors compared its accuracy with that of direct visualization in instrumented cadaveric spine specimens. Methods. A grading scale was devised to score the placement...Computerized tomography; Direct visualization; Thoracic pedicle screw; Pedicle; Thoracic spine2002
187 Warner, Homer R.Comparison of Different Information Content Models by Using Two Strategies: Development of the Best Information Algorithm for IliadBiomedical Informatics1992
188 Warner, Homer R.Comparison of Different Information Content Models by Using Two Strategies: Development of the Best Information Algorithm for ILIADBiomedical Informatics1992
189 Olson, Randall J.Comparison of patient satisfaction after uncomplicated cataract surgery between the silicone AMO SI-30/40 and the acrylic Alcon MA30BA and MA60BA foldable intraocular lensesPURPOSE: To compare patient satisfaction with vision 12 months after implantation of a silicone or acrylic foldable intraocular lens (IOL). SETTING: John A. Moran Eye Center, University of Utah Medical Center, Salt Lake City, Utah, USA. METHODS: Selection criteria included patients who had uneventfu...Patient Satisfaction; Lenses, Intraocular; Silicone Elastomers; Biocompatible Materials2001-10
190 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
191 Couldwell, William T.Comparison of radiosurgery and conventional surgery for the treatment of glomus jugulare tumorsObject. 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 results...2004
192 Couldwell, William T.; Gillespie, David L.; Jensen, Randy L.Comparison of the cell lines used in meningoma researchBackground: Immortal cell lines and cell lines derived from operative specimens transplanted into animal models are used in meningioma research. We address two criticisms of the mouse xenograft flank tumor model: Why are tumor induction rates derived from operative specimens low and inconsistent? Ar...CH-157 MN; IOMM-Lee; Meningioma; Xenograft Mouse Model; Flank tumors2008
193 Konnick, Eric Q.; Erali, Maria; Ashwood, Edward R; Hillyard, David RComparison of the DIGENE HBV HYBRID CAPTURE II AND ROCHE COBAS Amplicor HBV Monitor Assays.Evaluate and compare the performance characteristics of the COBAS Amplicor HBV Monitor test (Roche Diagnostics Corp.) and the HBV Hybrid capture II (Digene Corporation) assay for the quantification of HBV BNA Levels.Quantitative Tests; Linearity Studies2001-08-19
194 Olson, Randall J.Comparison of the effects of viscoelastic agents on clinical properties of the Unfolder lens injection systemPURPOSE: To evaluate the effect of 7 viscoelastic materials on the physical properties of the Unfolder lens injection system. SETTING: John A. Moran Eye Center, University of Utah School of Medicine, Salt Lake City, Utah, USA. METHODS: New sterile SI-40NB intraocular lenses (IOLs) were loaded into t...Lenses, Intraocular; Materials Testing; Hyaluronic Acid; Equipment Failure Analysis1999-07
195 Konnick, Eric Q.; Erali, Maria; Ashwood, Edward R.; Hillyard, David R.Comparison of the National Genetics Institute (NGI) HCV Superquant and Roche COBAS Amplicor HCV Monitor, Version 2.0 AssaysChronic Hepatitis C infection is currently recognized as an important health care problem. It is estimated that nearly 4 million Americans are infected, 15 to 20 percent of whom will eventually develop Cirrhosis. Current treatments for Hepatitis C virus (HCV) are limited to alfa-interferon alone or ...Cirrhosis; Patients2000-04-22
196 Olson, Randall J.Comparison of thermal features associated with 2 phacoemulsification machinesPURPOSE: To determine the thermal characteristics of the Legacy Advantec and Sovereign WhiteStar phacoemulsification machines during different clinically relevant scenarios. SETTING: In vitro study. METHODS: In water, temperature was recorded continuously on the sleeve in an artificial chamber, and ...Cataracts; Wound Burns; Thermal Characteristics2006-02
197 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
198 Varner, Michael W.Complications of anesthesia for cesarean delivery.OBJECTIVE: To quantify anesthesia-related complications associated with cesarean delivery in a well-described, prospectively ascertained cohort from multiple university-based hospitals in the United States and to evaluate whether certain factors would identify women at increased risk for a failed re...Cesarean Section; Complications of Anesthesia2005-08
199 Kestle, John R. W.; Brockmeyer, Douglas LeeComplications of intracranial pressure monitoring in children with head traumaObject. Intracranial pressure (ICP) monitoring has become routine in the management of patients with traumatic brain injury (TBI). Many surgeons prefer to use external ventricular drains (EVDs) over fiberoptic monitors to measure ICP because of the added benefit of cerebrospinal fluid drainage. The ...Head trauma; Ventriculostomy; External ventricular drain; Monitoring; Fiberoptic monitor2004
200 Digre, Kathleen B.; Schmidt, Richard H.; Osborne, Anne G.; Patel, Bhupendra C.; Pratt, David; Rietz, Lisa A.Compressive optic neuropathy caused by renal osteodystrophy. Case report.Compressive optic neuropathy with acute or chronic vision loss has been associated with various skull base tumors, aneurysms, Graves disease, trauma, and, less commonly, fibrous dysplasia and osteopetrosis. The Author's present a case of acute visual deterioration in a 25-year-old woman who had mass...Optic Neuropathy; Optic Nerve Decompression; Renal Osteodystrophy2001-10
176 - 200 of 1,139