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https://www.readbyqxmd.com/read/29917044/moderating-effect-of-white-matter-integrity-on-brain-activation-during-dual-task-walking-in-older-adults
#1
Melanie Lucas, Mark E Wagshul, Meltem Izzetoglu, Roee Holtzer
Objectives: Using multi-modal neuroimaging methods the current study was designed to examine the relationship between white matter microstructural integrity (WMI) and changes in prefrontal cortex (PFC) oxygenated hemoglobin (HbO2) during active walking in older adults. Consistent with neural inefficiency, we hypothesized that worse WMI would be associated with a greater increase in PFC HbO2 from single- to dual-task walking in the context of worse or similar gait performance. Method: 55 cognitively-healthy older adults (mean age=74...
June 18, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29916782/detection-of-lesions-in-mesial-temporal-lobe-epilepsy-by-using-mr-fingerprinting
#2
Congyu Liao, Kang Wang, Xiaozhi Cao, Yueping Li, Dengchang Wu, Huihui Ye, Qiuping Ding, Hongjian He, Jianhui Zhong
Purpose To improve diagnosis of hippocampal sclerosis (HS) in patients with mesial temporal lobe epilepsy (MTLE) by using MR fingerprinting and compare with visual assessment of T1- and T2-weighted MR images. Materials and Methods For this prospective study performed between April and November 2016, T1 and T2 maps were obtained and tissue segmentation performed in consecutive patients with drug-resistant MTLE with unilateral or bilateral HS. T1 and T2 maps were compared between 33 patients with MTLE (23 women and 10 men; mean age, 32...
June 19, 2018: Radiology
https://www.readbyqxmd.com/read/29916776/acute-appendicitis-a-meta-analysis-of-the-diagnostic-accuracy-of-us-ct-and-mri-as-second-line-imaging-tests-after-an-initial-us
#3
Kevin A Eng, Aryan Abadeh, Carolina Ligocki, Yvonne K Lee, Rahim Moineddin, Thomasin Adams-Webber, Suzanne Schuh, Andrea S Doria
Purpose To evaluate the sensitivity, specificity, and diagnostic odds ratios of US, CT, and MRI as second-line imaging modalities after initial US for assessing acute appendicitis in children and adults. Materials and Methods A literature search was conducted in Medline and Embase to identify articles that used surgery or histopathologic examination alone or in combination with clinical follow-up or chart review to evaluate the diagnostic accuracy of second-line imaging modalities. The quality of articles was assessed by using the Quality Assessment of Diagnostic Accuracy Studies-2 and the Standards for Reporting of Diagnostic Accuracy tools...
June 19, 2018: Radiology
https://www.readbyqxmd.com/read/29916773/grouped-amorphous-calcifications-at-mammography-frequently-atypical-but-rarely-associated-with-aggressive-malignancy
#4
Hayley C Oligane, Wendie A Berg, Andriy I Bandos, Sue S Chen, Sahand Sohrabi, Maria Anello, Margarita L Zuley
Purpose To determine rate of malignancy at stereotactic biopsy of amorphous calcifications with different distributions using current imaging, clinical, and histopathologic criteria. Materials and Methods From January 2009 to September 2013, this retrospective study reviewed a large set of stereotactic biopsies to identify amorphous calcifications and their clinical, imaging, and histopathologic characteristics. Calcification distribution was correlated with malignancy rate after adjusting for known risk factors using logistic regression...
June 19, 2018: Radiology
https://www.readbyqxmd.com/read/29916402/ever-since-i-can-remember-myself-implications-of-attachment-and-perceived-maternal-feeding-practices-on-adult-women-s-body-dissatisfaction
#5
Inbar Baumgarten-Katz, Lilac Lev-Ari, Ada H Zohar
BACKGROUND: Research indicates that women with an eating disorder are more insecurely attached than those without. Over-restrictive maternal feeding practices in childhood are associated with elevated BMI and more disordered eating in adult women. GOALS: The goal of the current study was to examine the extent to which the two insecure attachment styles contribute to women's body dissatisfaction indices and to examine their role in moderating the influence of restrictive maternal child feeding practices...
2018: Israel Journal of Psychiatry and related Sciences
https://www.readbyqxmd.com/read/29916133/three-dimensional-indices-of-renal-perfusion-in-normal-pregnancy-and-pre-eclampsia
#6
Amanda Ali, Susan Addley, Stephen Ong
INTRODUCTION: We compared renal perfusion in normal pregnant women and women with pre-eclampsia using three-dimensional (3D) ultrasound. We measured the flow index (FI), vascular index (VI) and vascularisation flow index (VFI) which are believed to reflect vascularity and flow intensity. METHODS: Fourteen patients with normal pregnancy and 16 patients with pre-eclampsia were recruited. Imaging was conducted using a Voluson E8 machine and a 6-MHz trans-abdominal probe...
June 18, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29915802/laparoscopic-ovarian-transposition-prior-to-pelvic-radiation-for-gynecologic-cancer
#7
Brenna E Swift, Eric Leung, Danielle Vicus, Allan Covens
This study evaluates a novel technique of laparoscopic ovarian transposition performed by Gynecologic Oncologists prior to pelvic radiation for gynecologic cancer. A retrospective review was completed of all patients that underwent laparoscopic ovarian transposition from February 2007 to June 2017 at one tertiary care cancer. The technique involves salpingectomy, followed by retroperitoneal dissection to move the ovaries lateral to the hepatic and splenic flexures of the colon. Normal ovarian function was defined by the absence of vasomotor symptoms, FSH and menstrual history (if menstruating)...
May 2018: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29915764/an-investigation-into-symptoms-diagnosis-treatment-and-treatment-complications-in-patients-with-retrosternal-goiter
#8
Manouchehr Aghajanzadeh, Mohammad Reza Asgary, Fereshteh Mohammadi, Haniye Darvishi, Yasaman Safarpour
Introduction: Retrosternal goiter refers to any thyroid enlargement in which over 50% of the thyroid permanently located under the thoracic inlet or the lower pole of thyroid is not palpable with the neck in hyperextended position. Due to the increasing number of surgical procedures of retrosternal goiter, the present study was carried out to examine the symptoms, diagnosis, treatment, and treatment complications in retrosternal goiter patients. Materials and Methods: Data related to demographic data (age and gender), clinical symptoms (dyspnea, dysphagia, dysphonia, lumps in neck, and hoarseness), methods of diagnosis (computed tomography [CT], chest X-ray [CXR], ultrasonography, and magnetic resonance imaging), and postoperative complications (bleeding, early and late dysphonia, early and late dyspnea, transient and permanent hypocalcemia, transient, and permanent recurrent laryngeal nerve paralysis) were collected...
January 2018: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29915761/the-ultrasound-identification-of-fetal-gender-at-the-gestational-age-of-11-12-weeks
#9
Farideh Gharekhanloo
Introduction: The early prenatal identification of fetal gender is of great importance. Accurate prenatal identification is currently only possible through invasive procedures. The present study was conducted to determine the accuracy and sensitivity of ultrasound fetal gender identification. Materials and Methods: The present cross-sectional study was conducted on 150 women in their 11th and 12th weeks of pregnancy in Hamadan in 2014. Ultrasound imaging performed in the 11th and 12th weeks of pregnancy for fetal gender identification identified the fetus either as a girl, a boy, or as a "gender not assigned...
January 2018: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29915015/higher-aortic-stiffness-is-associated-with-lower-global-cerebrovascular-reserve-among-older-humans
#10
Lyndsey E DuBose, Laura L Boles Ponto, David J Moser, Emily Harlynn, Leah Reierson, Gary L Pierce
Greater aortic stiffness and pulse pressure are associated with cerebrovascular remodeling, reduced white matter microstructure, and cognitive performance with aging in humans. However, it is unclear whether aortic stiffness and pulse pressure are associated with reduced basal global cerebral blood flow (CBF) and cerebrovascular reserve among older adults. Global CBF was quantified in 205 adults (range, 19-87 years; mean±SE: 30.6±1.3 years) using quantitative [15 O]water brain positron emission tomography imaging...
June 18, 2018: Hypertension
https://www.readbyqxmd.com/read/29914832/quantification-of-aortic-shagginess-as-a-predictive-factor-of-perioperative-stroke-and-long-term-prognosis-after-endovascular-treatment-of-aortic-arch-disease
#11
Akihiro Hosaka, Manabu Motoki, Masaaki Kato, Hiroko Sugai, Nobukazu Okubo
OBJECTIVE: Thoracic endovascular aortic repair (TEVAR) with supra-aortic debranching has recently been introduced as a treatment option for aortic arch disease. Although less invasive than open repair, TEVAR is associated with a risk of perioperative embolic stroke due to dislodgment of atherosclerotic plaque debris, especially in individuals with atheromatous degeneration of the aortic lumen. It is difficult to determine atheroma vulnerability, and there is no current method for predicting the risk of atheroembolism...
June 15, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29914831/prevalence-of-signs-of-celiac-axis-compression-by-the-median-arcuate-ligament-on-computed-tomography-angiography-in-asymptomatic-patients
#12
Alexandre Petnys, Pedro Puech-Leão, Antonio Eduardo Zerati, Raphael Mendes Ritti-Dias, William Carlos Nahas, Elias David Neto, Nelson De Luccia
OBJECTIVE: The increasing use of computed tomography (CT) angiography has led to more frequent diagnoses of celiac artery compression (CAC) by the median arcuate ligament (MAL). The signs of CAC by the MAL have been described as stenosis and a hook or J appearance on sagittal views. The importance of the "hook signal," however, has not been documented by studies of the normal anatomy of the celiac axis. METHODS: CT angiography images of 344 completely asymptomatic, live kidney donors (without history of chronic abdominal pain or weight loss) were reviewed...
June 15, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29914709/sex-differences-in-the-evaluation-and-treatment-of-acute-ischaemic-stroke
#13
REVIEW
Cheryl Bushnell, Virginia J Howard, Lynda Lisabeth, Valeria Caso, Seana Gall, Dawn Kleindorfer, Seemant Chaturvedi, Tracy E Madsen, Stacie L Demel, Seung-Jae Lee, Mathew Reeves
With the greater availability of treatments for acute ischaemic stroke, including advances in endovascular therapy, personalised assessment of patients before treatment is more important than ever. Women have a higher lifetime risk of stroke; therefore, reducing potential sex differences in the acute stroke setting is crucial for the provision of equitable and fast treatment. Evidence indicates sex differences in prevalence and types of non-traditional stroke symptoms or signs, prevalence of stroke mimics, and door-to-imaging times, but no substantial differences in use of emergency medical services, stroke knowledge, eligibility for or access to thrombolysis or thrombectomy, or outcomes after either therapy...
July 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29913935/adult-limb-and-breast-amputees-experience-and-descriptions-of-phantom-phenomena-a-qualitative-study
#14
Berit Björkman, Staffan Arnér, Iréne Lund, Lars-Christer Hydén
Background Phantom phenomena - pain or other sensations appearing to come from amputated body parts - are frequent consequences of amputation and can cause considerable suffering. Also, stump pain, located in the residual limb, is in the literature often related to the phantom phenomena. The condition is not specific to amputated limbs and has, to a lesser extent, been reported to be present after radical surgery in other body parts such as breast, rectum and teeth. Multi-causal theories are used when trying to understand these phenomena, which are recognized as the result of complex interaction among various parts of the central nervous system confirmed in studies using functional brain imaging techniques...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29912922/impact-of-pre-sarcopenia-in-sorafenib-treatment-for-advanced-hepatocellular-carcinoma
#15
Hitomi Takada, Masayuki Kurosaki, Hiroyuki Nakanishi, Yuka Takahashi, Jun Itakura, Kaoru Tsuchiya, Yutaka Yasui, Nobuharu Tamaki, Kenta Takaura, Yasuyuki Komiyama, Mayu Higuchi, Youhei Kubota, Wann Wang, Mao Okada, Nobuyuki Enomoto, Namiki Izumi
BACKGROUND: The present study aimed to investigate the impact of pre-sarcopenia on the prognosis of patients with advanced hepatocellular carcinoma (HCC) treated with sorafenib. METHODS: We enrolled 214 patients (71 ± 10 years old; 166 men and 48 women; 90% Child-Pugh grade A and 10% Child-Pugh grade B) treated with sorafenib in our hospital from July 2009 to August 2016. The muscle volume was measured from CT images just before sorafenib administration using software (SliceOmatic)...
2018: PloS One
https://www.readbyqxmd.com/read/29911967/from-principles-to-practice-real-world-patient-and-stakeholder-engagement-in-breast-cancer-research
#16
Sarah M Greene, Susan Brandzel, Karen J Wernli
The Patient-Centered Outcomes Research Institute (PCORI) in Washington, DC, has catalyzed a meaningful shift in the composition of research project teams since its initial research funding cycle in 2011. Despite the influx of funding in the research community for patient-centered research, research on how to effectively engage patients and stakeholders in the research process is still relatively nascent. Kaiser Permanente Washington Health Research Institute (KPWHRI) in Seattle, WA, was an early recipient of PCORI research funding and, as of December 2017, has received 8 PCORI research awards totaling nearly $15 million...
June 6, 2018: Permanente Journal
https://www.readbyqxmd.com/read/29911905/volumetric-evaluation-of-root-resorption-on-the-upper-incisors-using-cone-beam-computed-tomography-after-1-year-of-orthodontic-treatment-in-adult-patients-with-marginal-bone-loss
#17
Pornputthi Puttaravuttiporn, Mutita Wongsuwanlert, Chairat Charoemratrote, Chidchanok Leethanakul
OBJECTIVES: To determine upper incisor root resorption, volume loss, and the relationship between root volume loss and tooth movement after 1 year of orthodontic treatment in patients with marginal bone loss. MATERIALS AND METHODS: A total of 30 women (46.3 ± 5.4 years old) with moderate upper incisor bone loss who required intrusion during orthodontic treatment were recruited. Pre- and post-treatment cone beam computed tomography images were reconstructed. Upper incisors at pre- and post-treatment were superimposed; labio- and palato-apical, middle, and coronal third root volumes were assessed...
June 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29910654/screening-for-breast-cancer-in-2018-what-should-we-be-doing-today
#18
REVIEW
J M Seely, T Alhassan
Although screening mammography has delivered many benefits since its introduction in Canada in 1988, questions about perceived harms warrant an up-to-date review. To help oncologists and physicians provide optimal patient recommendations, the literature was reviewed to find the latest guidelines for screening mammography, including benefits and perceived harms of overdiagnosis, false positives, false negatives, and technologic advances. For women 40-74 years of age who actually participate in screening every 1-2 years, breast cancer mortality is reduced by 40%...
June 2018: Current Oncology
https://www.readbyqxmd.com/read/29910171/characterization-of-breast-lesion-using-t-1-perfusion-magnetic-resonance-imaging-qualitative-vs-quantitative-analysis
#19
S Thakran, P K Gupta, V Kabra, I Saha, P Jain, R K Gupta, A Singh
OBJECTIVES: The objective of this study was to quantify the hemodynamic parameters using first pass analysis of T1 -perfusion magnetic resonance imaging (MRI) data of human breast and to compare these parameters with the existing tracer kinetic parameters, semi-quantitative and qualitative T1 -perfusion analysis in terms of lesion characterization. MATERIALS AND METHODS: MRI of the breast was performed in 50 women (mean age, 44±11 [SD] years; range: 26-75) years with a total of 15 benign and 35 malignant breast lesions...
June 14, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29910165/wide-volume-versus-helical-acquisition-using-320-detector-row-computed-tomography-for-computed-tomography-urography-in-adults
#20
C Roy, R Quin, A Labani, P Leyendecker, L Mertz, M Ohana
PURPOSE: To evaluate the best collimation used in wide volume (WV) mode to cover the abdomen in computed tomography (CT) urography in terms of radiation dose and image quality. MATERIALS AND METHODS: This study was performed on a 320×0.5mm detector row CT unit. The first part identified the lowest volume CT dose index (CTDIvol) by using the topograms data of 25 medium size patients (13 men and 12 women; mean age: 52±9 [SD] years; age range: 46-68 years) using different collimations on WV from 6cm to 16cm and the one of the helical mode for the same coverage length...
June 14, 2018: Diagnostic and Interventional Imaging
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