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Womens imaging

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https://www.readbyqxmd.com/read/29457963/3-t-mr-imaging-of-proximal-femur-microarchitecture-in-subjects-with-and-without-fragility-fracture-and-nonosteoporotic-proximal-femur-bone-mineral-density
#1
Gregory Chang, Chamith S Rajapakse, Cheng Chen, Arakua Welbeck, Kenneth Egol, Ravinder R Regatte, Punam K Saha, Stephen Honig
Purpose To determine if 3-T magnetic resonance (MR) imaging of proximal femur microarchitecture can allow discrimination of subjects with and without fragility fracture who do not have osteoporotic proximal femur bone mineral density (BMD). Materials and Methods Sixty postmenopausal women (30 with and 30 without fragility fracture) who had BMD T scores of greater than -2.5 in the hip were recruited. All subjects underwent dual-energy x-ray absorptiometry to assess BMD and 3-T MR imaging of the same hip to assess bone microarchitecture...
February 19, 2018: Radiology
https://www.readbyqxmd.com/read/29457306/functional-characterization-of-collaterals-in-the-human-gingiva-by-laser-speckle-contrast-imaging
#2
Réka Fazekas, Eszter Molnár, Zsolt Lohinai, Elek Dinya, Zsuzsanna Tóth, Péter Windisch, János Vág
OBJECTIVES: The rate of blood flow between the various areas of the gingiva in resting position and under challenge is unknown. In the present study, the Laser Speckle Contrast Imaging (LSCI) method was used to map spatial and temporal changes in gingival blood flow after transient compression. METHODS: Horizontal, vertical and papilla base compressions were applied on the attached gingiva in 21 healthy patients (13 women, 8 men). LSCI was used to determine dynamic changes in regional blood flow during a five-second occlusion interval and subsequent reperfusion for twenty minutes...
February 19, 2018: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29455647/-99m-tc-hynic-tricine-edda-frop-peptide-for-mcf-7-breast-tumor-targeting-and-imaging
#3
Sajjad Ahmadpour, Zohreh Noaparast, Seyed Mohammad Abedi, Seyed Jalal Hosseinimehr
BACKGROUND: Breast cancer is the most common malignancy among women in the world. Development of novel tumor-specific radiopharmaceuticals for early breast tumor diagnosis is highly desirable. In this study we developed99m Tc-HYNIC-(tricine/EDDA)-Lys-FROP peptide with the ability of specific binding to MCF-7 breast tumor. METHODS: The FROP-1 peptide was conjugated with the bifunctional chelator hydrazinonicotinamide (HYNIC) and labeled with99m Tc using tricine/EDDA co-ligand...
February 19, 2018: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29454977/neural-pathways-in-emotional-approach-as-experiential-emotion-regulation-strategy
#4
M Vandekerckhove, W Van Hecke, M Quirin, J De Mey
Current research on emotion shows an increasing interest in the neuronal correlates of emotion regulation (ER). While previous research on ER has focused on gray matter correlates, this study represents the first exploratory study on white matter integrity and brain networks of ER. Responding to the gap between cognitive and affective approaches of ER, pertaining to some of the daily emotional stressors, the present study investigates a complementary experiential approach such as 'Emotional approach' or the tendency to affectively acknowledge, understand and express emotional experience (cf...
February 15, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29454928/resting-state-functional-connectivity-of-the-amygdala-and-problem-drinking-in-non-dependent-alcohol-drinkers
#5
Sien Hu, Jaime S Ide, Herta H Chao, Simon Zhornitsky, Kimberly A Fischer, Wuyi Wang, Sheng Zhang, Chiang-Shan R Li
Alcohol misuse is associated with dysfunction of the amygdala-prefrontal cortical circuit. The amygdala and its cortical targets show decreased activity during a variety of task challenges in individuals engaged in problem drinking. On the other hand, it is less clear how amygdala resting state functional connectivity (rsFC) may be altered in association with alcohol misuse and whether such changes are restricted to prefrontal cortical structures. Further, the influences of comorbid substance use and depression and potential sex differences have not been assessed in earlier work...
February 7, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29454543/characterization-of-the-passive-and-active-material-parameters-of-the-pubovisceralis-muscle-using-an-inverse-numerical-method
#6
M E T Silva, M P L Parente, S Brandão, T Mascarenhas, R M Natal Jorge
The mechanical characteristics of the female pelvic floor are relevant to understand pelvic floor dysfunctions (PFD), and how they are related with changes in their biomechanical behavior. Urinary incontinence (UI) and pelvic organ prolapse (POP) are the most common pathologies, which can be associated with changes in the mechanical properties of the supportive structures in the female pelvic cavity. PFD have been studied through different methods, from experimental tensile tests using tissues from fresh female cadavers or tissues collected at the time of a transvaginal hysterectomy procedure, or by applying imaging techniques...
February 8, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29454478/usefulness-of-integrating-heart-failure-risk-factors-into-impairment-of-global-longitudinal-strain-to-predict-anthracycline-related-cardiac-dysfunction
#7
M Wesley Milks, Michael R Velez, Nishaki Mehta, Abiodun Ishola, Thomas Van Houten, Vedat O Yildiz, Raquel Reinbolt, Maryam Lustberg, Sakima A Smith, David A Orsinelli
The prediction of cancer therapeutics-related cardiac dysfunction (CTRCD) is an essential aspect of care for individuals who receive potentially cardiotoxic oncologic treatments. Certain clinical risk factors have been described for incident CTRCD, and measurement of left ventricular (LV) longitudinal strain by speckle tracking 2-dimensional echocardiography (2DE) is the best-validated myocardial mechanical imaging assessment to detect subtle changes in LV function during cancer treatment. However, the direct integration of clinical and imaging risk factors to predict CTRCD has not yet been extensively examined...
January 12, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29454126/iatrogenic-spondylolisthesis-following-open-lumbar-laminectomy-case-series-and-review-of-the-literature
#8
Seba Ramhmdani, Yuanxuan Xia, Risheng Xu, Thomas Kosztowski, Daniel Sciubba, Timothy Witham, Ali Bydon
OBJECTIVE: The diagnosis and surgical management of post-laminectomy spondylolisthesis in patients without pre-operative instability is presented with a review of relevant literature. METHODS: We reviewed the medical records and radiographic studies of 105 patients who underwent first-time bilateral 1-4 level open laminectomies for degenerative lumbar disease at a single academic institution. Patients who initially presented with listhesis and had additional discectomy or fusion procedures were excluded...
February 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29453944/clinical-features-of-extrapulmonary-sarcoidosis-without-lung-involvement
#9
W Ennis James, Efstratios Koutroumpakis, Biplab Saha, Alireza Nathani, Leahruth Saavedra, Recai M Yucel, Marc A Judson
BACKGROUND: Compared to pulmonary sarcoidosis, sarcoidosis without lung involvement may involve other immunopathologic mechanisms and be associated with other demographic and clinical features. METHODS: This was a retrospective analysis of clinical data collected in real time on 1,686 patients with biopsy-proven sarcoidosis from two large university sarcoidosis outpatient clinics in the United States. We compared differences in demographics characteristics and clinical presentation between pulmonary and non-pulmonary sarcoidosis (NPS)...
February 14, 2018: Chest
https://www.readbyqxmd.com/read/29453442/white-matter-integrity-in-medication-free-women-with-peripartum-depression-a-tract-based-spatial-statistics-study
#10
Michelle Silver, Constance M Moore, Vanessa Villamarin, Nina Jaitly, Janet E Hall, Anthony J Rothschild, Kristina M Deligiannidis
Diffusion tensor imaging (DTI) studies in depression show decreased structural connectivity in the left anterior limb of the internal capsule and the genu of the corpus callosum but no such studies exist in peripartum depression (PPD), which affects 1 in 8 women. We analyzed fractional anisotropy (FA) as a measure of white matter integrity of these two tracts using tract-based spatial statistics (TBSS). We then conducted an exploratory whole-brain analysis to identify additional regions implicated in PPD. Seventy-five pregnant, medication-free women were evaluated with the Edinburgh Postnatal Depression Scale (EPDS) and Structured Clinical Interview (SCID) for DSM-IV-TR in pregnancy and in the postpartum...
February 5, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29453156/approaching-the-experience-of-people-through-the-process-of-a-colostomy
#11
Raquel Palomero-Rubio, Azucena Pedraz-Marcos, Ana María Palmar-Santos
OBJECTIVE: The purpose of this paper is to explore the experience of people who go through the process of a colostomy. METHOD: Methodological approach of qualitative type and with a phenomenological framework, through in-depth interviews. Six women and 12 men, between 38 and 86 years of age, were interviewed before and after surgery, between 3 and 6 months after the intervention. The discourses were recorded and transcribed verbatim and analyzed following the 3 stages of Taylor and Bogdan: finding in progress, data coding and refinement of the understanding of the subject of study, and relativisation of the findings...
February 13, 2018: Enfermería Clínica
https://www.readbyqxmd.com/read/29452924/incidental-hepatic-lesions-detected-on-breast-mri-rate-of-malignancy-and-implications-for-utilization
#12
Priya K Shah, Ilana A Kafer, Gregory M Grimaldi
OBJECTIVE: The objective of this study was to determine the rate of malignancy in incidentally detected T2 hyperintense hepatic lesions at breast MRI. METHODS: Incidental hepatic lesions identified during breast MRI, for which abdominal imaging was recommended, were retrospectively analyzed. RESULTS: Of the hepatic lesions, 97.3% were benign, and 2.7% were malignant, with a significant association between indication for the breast MRI and the malignancy status of the hepatic lesion (Fisher's Exact, P < 0...
February 6, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29452862/protective-effect-of-human-leukocyte-antigen-hla-allele-drb1-13-02-on-age-related-brain-gray-matter-volume-reduction-in-healthy-women
#13
Lisa M James, Peka Christova, Scott M Lewis, Brian E Engdahl, Angeliki Georgopoulos, Apostolos P Georgopoulos
BACKGROUND: Reduction of brain volume (brain atrophy) during healthy brain aging is well documented and dependent on genetic, lifestyle and environmental factors. Here we investigated the possible dependence of brain gray matter volume reduction in the absence of the Human Leukocyte Antigen (HLA) allele DRB1*13:02 which prevents brain atrophy in Gulf War Illness (James et al., 2017). METHODS: Seventy-one cognitively healthy women (32-69years old) underwent a structural Magnetic Resonance Imaging (sMRI) scan to measure the volumes of total gray matter, cerebrocortical gray matter, and subcortical gray matter...
February 8, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29452852/reduction-of-patient-radiation-dose-with-a-new-organ-based-dose-modulation-technique-for-thoraco-abdominopelvic-computed-tomography-ct-liver-dose-right-index
#14
M Fillon, S Si-Mohamed, P Coulon, A Vuillod, P Klahr, L Boussel
PURPOSE: To evaluate the radiation dose reduction, image quality and diagnostic confidence with thoraco-abdominopelvic computed tomography (TACT) using a new organ based dose modulation system (liver dose right index [Liver DRI]), compared to TACT using a standard automatic exposure control adjusting mA according to attenuation. METHODS: A total of 37 patients who had two TACT examinations on 2 different CT scanners, one using standard automatic exposure control (combination of a DoseRight automatic current selection and Z modulation) and one using Liver DRI were included...
February 13, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29452705/the-changing-incidence-and-presentation-of-urinary-stones-over-3-decades
#15
Wonngarm Kittanamongkolchai, Lisa E Vaughan, Felicity T Enders, Tsering Dhondup, Ramila A Mehta, Amy E Krambeck, Cynthia H McCollough, Terri J Vrtiska, John C Lieske, Andrew D Rule
OBJECTIVE: To evaluate trends in the incidence of kidney stones and characteristics associated with changes in the incidence rate over 3 decades. PATIENTS AND METHODS: Adult stone formers in Olmsted County, Minnesota, from January 1, 1984, to December 31, 2012, were validated and characterized by age, sex, stone composition, and imaging modality. The incidence of kidney stones per 100,000 person-years was estimated. Characteristics associated with changes in the incidence rate over time were assessed using Poisson regression models...
February 6, 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29452312/effects-of-higher-versus-lower-threat-contexts-on-pain-related-visual-attention-biases-an-eye-tracking-study-of-chronic-pain
#16
Todd Jackson, Lin Su, Yang Wang
In this research, we examined effects of higher versus lower threat contexts on attention biases in more and less pain-fearful chronic pain subgroups via eye-tracking methodology. Within a mixed chronic pain sample (69 women, 29 men), biases in orienting and maintenance of visual attention were assessed during the standardized image pair presentation phase (2000ms) of a modified visual dot probe task featuring painful-neutral (P-N) image pairs (lower threat context) and a parallel task in which these P-N pairs cued potential pain (higher threat context)...
February 13, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29451995/sex-dependent-choroidal-thickness-differences-in-healthy-adults-a-study-based-on-original-and-synthesized-data
#17
Wei Wang, Miao He, Xingwu Zhong
PURPOSE: The purpose of this study is to determine the influence of sex on choroidal thickness (CT) in healthy adults. METHODS: Healthy Chinese adults were recruited and complete ophthalmic examinations were performed. The choroid was imaged by swept-source optical coherence tomography and the macular CT in Early Treatment Diabetic Retinopathy Study grids was obtained by the intrinsic automated segmentation software. CT in males and females was compared after controlling other factors...
February 16, 2018: Current Eye Research
https://www.readbyqxmd.com/read/29451887/evaluating-diagnostic-indicators-of-urogenital-schistosoma-haematobium-infection-in-young-women-a-cross-sectional-study-in-rural-south-africa
#18
Hashini Nilushika Galappaththi-Arachchige, Sigve Holmen, Artemis Koukounari, Elisabeth Kleppa, Pavitra Pillay, Motshedisi Sebitloane, Patricia Ndhlovu, Lisette van Lieshout, Birgitte Jyding Vennervald, Svein Gunnar Gundersen, Myra Taylor, Eyrun Floerecke Kjetland
BACKGROUND: Urine microscopy is the standard diagnostic method for urogenital S. haematobium infection. However, this may lead to under-diagnosis of urogenital schistosomiasis, as the disease may present itself with genital symptoms in the absence of ova in the urine. Currently there is no single reliable and affordable diagnostic method to diagnose the full spectrum of urogenital S. haematobium infection. In this study we explore the classic indicators in the diagnosis of urogenital S...
2018: PloS One
https://www.readbyqxmd.com/read/29451435/safe-insertion-of-s-2-alar-iliac-screws-radiological-comparison-between-2-insertion-points-using-computed-tomography-and-3d-analysis-software
#19
Kentaro Yamada, Yuichiro Abe, Shigenobu Satoh
OBJECTIVE S-2 alar iliac (S2AI) screws are commonly used as anchors for lumbosacral fixation. A serious potential complication of screw insertion is major vascular injury due to anterior or caudal screw deviation. To avoid screw deviation, the pelvic inlet view on intraoperative fluoroscopy images is recommended. However, there has been no detailed investigation of optimal fluoroscopic incline with the pelvic inlet view. The purpose of this study was to investigate the safety margins and to optimize fluoroscopic settings to avoid screw deviation with 2 reported insertion techniques using 3D analysis software and CT...
February 16, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29451005/hiv-infection-and-risk-of-postpartum-infection-complications-and-mortality-in-rural-uganda
#20
Lisa M Bebell, Joseph Ngonzi, Mark J Siedner, Winnie R Muyindike, Bosco M Bwana, Laura E Riley, Yap Boum, David R Bangsberg, Ingrid V Bassett
HIV infection may increase risk of postpartum infection and infection-related mortality. We hypothesized that postpartum infection incidence and attributable mortality in Mbarara, Uganda would be higher in HIV-infected than HIV-uninfected women. We performed a prospective cohort study of 4231 women presenting to a regional referral hospital in 2015 for delivery or postpartum care. All febrile or hypothermic women, and a subset of randomly selected normothermic women were followed during hospitalization and with 6-week postpartum phone interviews...
February 16, 2018: AIDS Care
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