نتایج جستجو برای: femoral cortical thickness

تعداد نتایج: 249556  

Journal: :Stroke 2015
Anil M Tuladhar Andrew T Reid Elena Shumskaya Karlijn F de Laat Anouk G W van Norden Ewoud J van Dijk David G Norris Frank-Erik de Leeuw

BACKGROUND AND PURPOSE White matter hyperintensities (WMH) are associated with clinically heterogeneous symptoms that cannot be explained by these lesions alone. It is hypothesized that these lesions are associated with distant cortical atrophy and cortical thickness network measures, which can result in an additional cognitive impairment. Here, we investigated the relationships between WMH, co...

Journal: :Psychological medicine 2011
B Crespo-Facorro R Roiz-Santiáñez R Pérez-Iglesias J M Rodriguez-Sanchez I Mata D Tordesillas-Gutierrez E Sanchez R Tabarés-Seisdedos N Andreasen V Magnotta J L Vázquez-Barquero

BACKGROUND The thickness of the cortical mantle is a sensitive measure for identifying alterations in cortical structure. We aimed to explore whether first episode schizophrenia patients already show a significant cortical thinning and whether cortical thickness anomalies may significantly influence clinical and cognitive features. METHOD We investigated regional changes in cortical thickness...

Journal: :Alcoholism, clinical and experimental research 2011
Catherine B Fortier Elizabeth C Leritz David H Salat Jonathan R Venne Arkadiy L Maksimovskiy Victoria Williams William P Milberg Regina E McGlinchey

BACKGROUND Chronic misuse of alcohol results in widespread damage to the brain. Prior morphometric studies have examined cortical atrophy in individuals with alcoholism; however, no previous studies have examined alcohol-associated atrophy using cortical thickness measurements to obtain regional mapping of tissue loss across the full cortical surface. METHODS We compared cortical thickness me...

Journal: :Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2003
B A J Evans J T Warner C Elford S L Evans A Laib R K Bains J W Gregory T Wells

UNLABELLED The extent to which childhood GHD affects adult fracture risk is unclear. We measured femoral strength in adult transgenic growth-retarded rats as a model of GHD. Long-term, moderate GHD was accompanied by endocrine and morphometric changes consistent with a significant reduction in femoral strength. INTRODUCTION Childhood growth hormone deficiency (GHD) is associated with osteopen...

2016
David Alexander Dickie Sherif Karama Stuart J. Ritchie Simon R. Cox Eleni Sakka Natalie A. Royle Benjamin S. Aribisala Maria Valdés Hernández Susana Muñoz Maniega Alison Pattie Janie Corley John M. Starr Mark E. Bastin Alan C. Evans Ian J. Deary Joanna M. Wardlaw

BACKGROUND AND PURPOSE We assessed cross-sectional and longitudinal relationships between whole brain white matter hyperintensity (WMH) volume and regional cortical thickness. METHODS We measured WMH volume and regional cortical thickness on magnetic resonance imaging at ≈73 and ≈76 years in 351 community-dwelling subjects from the Lothian Birth Cohort 1936. We used multiple linear regression...

Journal: :Cerebral cortex 2005
Katherine L Narr Robert M Bilder Arthur W Toga Roger P Woods David E Rex Philip R Szeszko Delbert Robinson Serge Sevy Handan Gunduz-Bruce Yung-Ping Wang Heather DeLuca Paul M Thompson

We mapped regional changes in cortical thickness and intensity-based cortical gray matter concentration in first episode schizophrenia. High-resolution magnetic resonance images were obtained from 72 (51 male, 21 female) first episode patients and 78 (37 male, 41 female) healthy subjects similar in age. Cortical pattern matching methods allowed comparisons of cortical thickness and gray matter ...

Journal: :Experimental animals 2006
Jun Iwamoto Azusa Seki Tsuyoshi Takeda Yoshihiro Sato Harumoto Yamada James K Yeh

The purpose of the present study was to compare the effects of alendronate and alfacalcidol on cancellous and cortical bone mass and bone mechanical properties in ovariectomized rats. Twenty-six female Sprague-Dawley rats, 7 months of age, were randomized by the stratified weight method into four groups: the sham-operated control (Sham) group and the three ovariectomy (OVX) groups, namely, OVX ...

2010
Milton Valdomiro Roos Bruno Dutra Roos Taís Stedile Busin Giora Thiago Martins Taglietti

UNLABELLED To perform a clinical and radiographic assessment of patients undergoing surgical treatment using a cortical structural homologous bone graft for femoral reconstruction following mechanical failure of total hip arthroplasty and periprosthetic fractures. METHODS A retrospective study was conducted on 27 patients who underwent surgical treatment for femoral reconstruction following m...

Journal: :Bone 2017
Kristin L Popp Julie M Hughes Adriana Martinez-Betancourt Matthew Scott Victoria Turkington Signe Caksa Katelyn I Guerriere Kathryn E Ackerman Chun Xu Ginu Unnikrishnan Jaques Reifman Mary L Bouxsein

Lower rates of fracture in both Blacks compared to Whites, and men compared to women are not completely explained by differences in bone mineral density (BMD). Prior evidence suggests that more favorable cortical bone microarchitecture may contribute to reduced fracture rates in older Black compared to White women, however it is not known whether these differences are established in young adult...

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