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Archives of Neurology

Gabriella Silvestri, Marcella Masciullo, Filippo M Santorelli
No abstract text is available yet for this article.
December 2012: Archives of Neurology
Douglas J Lanska
No abstract text is available yet for this article.
December 2012: Archives of Neurology
Yafei Huang, Rachel Potter, Wendy Sigurdson, Tom Kasten, Rose Connors, John C Morris, Tammie Benzinger, Mark Mintun, Tim Ashwood, Mats Ferm, Samantha L Budd, Randall J Bateman
OBJECTIVES: To investigate dynamic changes in human plasma β-amyloid (Aβ) concentrations, evaluate the effects of aging and amyloidosis on these dynamics, and determine their correlation with cerebrospinal fluid (CSF) Aβ concentrations. DESIGN: A repeated plasma and CSF sampling study. SETTING: The Washington University School of Medicine in St Louis, Missouri. PARTICIPANTS: Older adults with amyloid deposition (Amyloid+), age-matched controls without amyloid deposition (Amyloid-), and younger normal controls (YNCs) were enrolled for the study...
December 2012: Archives of Neurology
Ross W Paterson, Charles C Torres-Chae, Amy L Kuo, Tim Ando, Elizabeth A Nguyen, Katherine Wong, Stephen J DeArmond, Aissa Haman, Paul Garcia, David Y Johnson, Bruce L Miller, Michael D Geschwind
OBJECTIVES: To identify the misdiagnoses of patients with sporadic Jakob-Creutzfeldt disease (sCJD) during the course of their disease and determine which medical specialties saw patients with sCJD prior to the correct diagnosis being made and at what point in the disease course a correct diagnosis was made. DESIGN: Retrospective medical record review. SETTING: A specialty referral center of a tertiary academic medical center. PARTICIPANTS: One hundred sixty-three serial patients over a 5...
December 2012: Archives of Neurology
Thien J Huynh, Julia Keith, Richard I Aviv
No abstract text is available yet for this article.
December 2012: Archives of Neurology
Robert G Hart, John W Eikelboom, Lesly A Pearce
CONTEXT: Stroke is a serious complication associated with atrial fibrillation (AF). Women with AF are at higher risk of stroke compared with men. Reasons for this higher stroke risk in women remain unclear, although some studies suggest that undertreatment with warfarin may be a cause. OBJECTIVE: To compare utilization patterns of warfarin and the risk of subsequent stroke between older men and women with AF at the population level. DESIGN, SETTING, AND PATIENTS:   Population-based cohort study of patients 65 years or older admitted to the hospital with recently diagnosed AF in the province of Quebec, Canada, 1998-2007, using administrative data with linkage between hospital discharge, physicians, and prescription drug claims databases...
December 2012: Archives of Neurology
Raymond C S Seet, Eelco F M Wijdicks, Alejandro A Rabinstein
BACKGROUND: Previous studies have not distinguished patients with acute cervical internal carotid artery (ICA) occlusions from those with intracranial occlusions and often consider them together in the same cohort. OBJECTIVES: To evaluate the outcomes of patients with stroke from acute cervical ICA occlusion treated with intravenous thrombolysis or primary endovascular procedures and to identify early predictors of functional recovery among these patients. DESIGN: Retrospective study...
December 2012: Archives of Neurology
Richard J Caselli
No abstract text is available yet for this article.
December 2012: Archives of Neurology
Vera Tadic, Meike Kasten, Norbert Brüggemann, Sophie Stiller, Johann Hagenah, Christine Klein
OBJECTIVE: To investigate the delay in diagnosis, residual motor signs, and nonmotor signs of dopa-responsive dystonia (DRD) using literature and our own pilot data. DESIGN, SETTING, AND PATIENTS: We searched the MEDLINE database for patients with clinically typical DRD and/or guanosine triphosphate cyclohydrolase I gene mutations from 1952 to 2011 and examined a pilot cohort of 23 outpatients with DRD and guanosine triphosphate cyclohydrolase I gene mutations. RESULTS: The literature search yielded 101 reports describing 576 cases...
December 2012: Archives of Neurology
Sara Ortega-Cubero, Pablo D Domínguez, Carlos Caicedo, Javier Arbizu, Pau Pastor
No abstract text is available yet for this article.
December 2012: Archives of Neurology
Myron F Weiner
BACKGROUND: Delirium is characterized by acute cognitive impairment. We examined the association of delirium with long-term cognitive trajectories in older adults with Alzheimer disease (AD). METHODS: We evaluated prospectively collected data from a nested cohort of hospitalized patients with AD (n = 263) in the Massachusetts Alzheimer Disease Research Center patient registry between January 1, 1991, and June 30, 2006 (median follow-up duration, 3.2 years). Cognitive function was measured using the information-memory-concentration (IMC) section of the Blessed Dementia Rating Scale...
December 2012: Archives of Neurology
Peter J Dyck, Carol J Overland, Phillip A Low, William J Litchy, Jenny L Davies, P James B Dyck, Rickey E Carter, L Joseph Melton, Henning Andersen, James W Albers, Charles F Bolton, John D England, Christopher J Klein, Gareth Llewelyn, Michelle L Mauermann, James W Russell, Dinesh Selvarajah, Wolfgang Singer, A Gordon Smith, Solomon Tesfaye, Adrian Vella
OBJECTIVE To repeat the Clinical vs Neurophysiology (Cl vs N Phys) trial using "unequivocally abnormal" signs and symptoms (Trial 2) compared with the earlier trial (Trial 1), which used "usual" signs and symptoms. DESIGN Standard and referenced nerve conduction abnormalities were used in both Trials 1 and 2 as the standard criterion indicative of diabetic sensorimotor polyneuropathy. Physician proficiency (accuracy among evaluators) was compared between Trials 1 and 2. SETTING Academic medical centers in Canada, Denmark, England, and the United States...
December 2012: Archives of Neurology
James P Klaas, J Eric Ahlskog, Sean J Pittock, Joseph Y Matsumoto, Allen J Aksamit, J D Bartleson, Rajeev Kumar, Kathleen F McEvoy, Andrew McKeon
BACKGROUND Little is known about adult-onset opsoclonus-myoclonus syndrome (OMS) outside of individual case reports. OBJECTIVE To describe adult-onset OMS. DESIGN Review of medical records (January 1, 1990, through December 31, 2011), prospective telephone surveillance, and literature review (January 1, 1967, through December 31, 2011). SETTING Department of Neurology, Mayo Clinic, Rochester, Minnesota. PATIENTS Twenty-one Mayo Clinic patients and 116 previously reported patients with adult-onset OMS. MAIN OUTCOME MEASURES Clinical course and longitudinal outcomes...
December 2012: Archives of Neurology
Vikas Kotagal, Nicolaas I Bohnen, Martijn L T M Müller, Robert A Koeppe, Kirk A Frey, Roger L Albin
BACKGROUND Prior studies suggest that serotoninergic neurotransmission reduces β-amyloid (Aβ) production. OBJECTIVE To determine whether serotoninergic system degeneration in Parkinson disease promotes Aβ deposition, using in vivo positron emission tomographic probes of serotonin system integrity and Aβ deposition. DESIGN, SETTING, AND PATIENTS Cross-sectional study of 13 subjects with Parkinson disease from the movement disorders clinics at the University of Michigan Health System and Veterans Affairs Ann Arbor Healthcare System, with positron emission tomography using the serotonin transporter ligand carbon 11 ([11C])-labeled 3-amino-4-(2-dimethylaminomethyl-phenylsulfaryl)-benzonitrile (DASB) and the Aβ ligand [11C]Pittsburgh compound B...
December 2012: Archives of Neurology
Caterina Garone, Juan Carlos Rubio, Sarah E Calvo, Ali Naini, Kurenai Tanji, Salvatore Dimauro, Vamsi K Mootha, Michio Hirano
OBJECTIVE To identify the cause of an adult-onset multisystemic disease with multiple deletions of mitochondrial DNA (mtDNA). DESIGN Case report. SETTING University hospitals. PATIENT A 65-year-old man with axonal sensorimotor peripheral neuropathy, ptosis, ophthalmoparesis, diabetes mellitus, exercise intolerance, steatohepatopathy, depression, parkinsonism, and gastrointestinal dysmotility. RESULTS Skeletal muscle biopsy revealed ragged-red and cytochrome- c oxidase-deficient fibers, and Southern blot analysis showed multiple mtDNA deletions...
December 2012: Archives of Neurology
Zhengrui Xi, Lorne Zinman, Yakov Grinberg, Danielle Moreno, Christine Sato, Juan M Bilbao, Mahdi Ghani, Isabel Hernández, Agustín Ruiz, Mercè Boada, Francisco J Morón, Anthony E Lang, Connie Marras, Amalia Bruni, Rosanna Colao, Raffaele G Maletta, Gianfranco Puccio, Innocenzo Rainero, Lorenzo Pinessi, Daniela Galimberti, Karen E Morrison, Catriona Moorby, Joanne D Stockton, Mario Masellis, Sandra E Black, Lili-Naz Hazrati, Yan Liang, Jan van Haersma de With, Luis Fornazzari, Roque Villagra, Ricardo Rojas-Garcia, Jordi Clarimón, Richard Mayeux, Janice Robertson, Peter St George-Hyslop, Ekaterina Rogaeva
OBJECTIVE To estimate the allele frequency of C9orf72 (G4C2) repeats in amyotrophic lateral sclerosis (ALS), frontotemporal lobar degeneration (FTLD), Alzheimer disease (AD), and Parkinson disease (PD). DESIGN The number of repeats was estimated by a 2-step genotyping strategy. For expansion carriers, we sequenced the repeat flanking regions and obtained APOE genotypes and MAPT H1/H2 haplotypes. SETTING Hospitals specializing in neurodegenerative disorders. SUBJECTS We analyzed 520 patients with FTLD, 389 patients with ALS, 424 patients with AD, 289 patients with PD, 602 controls, 18 families, and 29 patients with PD with the LRRK2 G2019S mutation...
December 2012: Archives of Neurology
Ihab Hajjar, Lauren Brown, Wendy J Mack, Helena Chui
BACKGROUND Angiotensin II may be involved in amyloid metabolism in the brain. Angiotensin receptor blockers (ARBs) may also prevent cognitive decline. OBJECTIVE To evaluate the impact of treatment with ARBs on the neuropathology of Alzheimer disease (AD) in the National Alzheimer Coordinating Center database, which includes aggregated data and brain autopsies from 29 AD centers throughout the United States. DESIGN Multiple logistic regression was used to compare the pathologic findings in hypertensive subjects taking ARBs with those taking other antihypertensive treatments as well as with hypertensive subjects who did not receive antihypertensive medications...
December 2012: Archives of Neurology
Walter A Rocca
No abstract text is available yet for this article.
December 2012: Archives of Neurology
Seth A Kareus, Karla P Figueroa, Lisa A Cannon-Albright, Stefan M Pulst
OBJECTIVE To use a statewide population-based genealogic database to evaluate the relationship between Parkinson disease (PD) and cancer subtypes. DESIGN Using a computerized genealogy for the Utah pioneers and their descendants linked to a statewide cancer registry and statewide death certificates, we estimated relative risks for cancer in individuals with PD listed on their death certificate, and in their first-degree, second-degree, and third-degree relatives. SETTING Utah Cancer Registry. PARTICIPANTS Approximately 2...
December 2012: Archives of Neurology
Tahir Hakami, Marian Todaro, Slave Petrovski, Lachlan Macgregor, Dennis Velakoulis, Meng Tan, Zelko Matkovic, Alexandra Gorelik, Danny Liew, Raju Yerra, Terence J O'Brien
OBJECTIVE To determine whether patients who fail their first antiepileptic drug (AED) have better neuropsychiatric and quality-of-life (QOL) outcomes if substituted to levetiracetam monotherapy compared with a second older AED. DESIGN Randomized comparative trial. Participants with partial epilepsy who had failed monotherapy with phenytoin sodium, carbamazepine, or valproate sodium were randomized to substitution monotherapy with levetiracetam or a different older AED. Assessments were performed at baseline, 3 months, and 12 months using questionnaires measuring neuropsychiatric, QOL, seizure control, AED adverse effects, and neurocognitive outcomes...
December 2012: Archives of Neurology
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