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Diffusion tensor imaging in glioblastoma patients treated with volumetric modulated arc radiotherapy : a longitudinal study

BACKGROUND: Chemo- and radiotherapy (RT) is standard treatment for patients with high-grade glioma, but may cause side-effects on the patient's cognitive function.AIM: Use of diffusion tensor imaging (DTI) to investigate the longitudinal changes in normal-appearing brain tissue in glioblastoma patients undergoing modern arc-based RT with volumetric modulated arc therapy (VMAT) or helical tomothera

Mediational pathways between aggregate genetic liability and nonfatal suicide attempt : A Swedish population-based cohort

Despite recent progress in the genetics of suicidal behavior, the pathway by which genetic liability increases suicide attempt risk is unclear. We investigated the mediational pathways from family/genetic risk for suicide attempt (FGRSSA) to suicide attempt by considering the roles of psychiatric illnesses. In a Swedish cohort, we evaluated time to suicide attempt as a function of FGRSSA and the m

Electrocardiographic proarrhythmic changes in pregnancy of women with CHD

Objectives:Pregnancy-related physiological adaptations result in increased heart rate as well as electrocardiographic changes such as a mean QTc prolongation of 27 ms. Pregnant women with CHD are at increased risk for cardiovascular complications. The aim of this study was to identify risk factors for abnormally prolonged QTc interval—a risk factor for ventricular arrhythmias—in pregnant women wit

Automated Hippocampal Subfield Segmentation at 7T MRI

BACKGROUND AND PURPOSE: High resolution 7T MRI is increasingly used to investigate hippocampal subfields in vivo, but most studies rely on manual segmentation which is labor intensive. We aimed to evaluate an automated technique to segment hippocampal subfields and the entorhinal cortex at 7T MRI.MATERIALS AND METHODS: The cornu ammonis (CA)1, CA2, CA3, dentate gyrus, subiculum, and entorhinal cor

Physical fitness in male adolescents and atherosclerosis in middle age : A population-based cohort study

Objectives: To examine the associations between physical fitness in male adolescents and coronary and carotid atherosclerosis in middle age. Methods: This population-based cohort study linked physical fitness data from the Swedish Military Conscription Register during adolescence to atherosclerosis data from the Swedish CArdioPulmonary bioImage Study in middle age. Cardiorespiratory fitness was as

Consortium of microalgae for tannery effluent treatment

Wastewater generated in tanneries have essential elements for microalgae growth, but it has also some toxic compounds that may hinder or restrain the growth of microalgae in this environment. This work tested microalgae consortium growth originating from a deactivated effluent treatment decanter of a complete tannery (beamhouse to finished leather) for the treatment of wastewater of a tannery proc

Repeatability of Epithelium Thickness Measured by an AS-OCT in Different Grades of Keratoconus and Compared to AS-OCT/Placido Topography

PURPOSE: To compare agreement of corneal epithelium thickness (ET) between AS-OCT system (RTVue, Optovue) and AS-OCT/Placido topographer (MS-39, CSO) in eyes with different stages of keratoconus (KC), and to assess the repeatability of RTVue AS-OCT. DESIGN: Prospective reliability analysis. METHODS: KC eyes were classified into forme fruste KC (FFKC), mild, moderate, and severe KC. Agreement was e

Expression patterns of novel immunotherapy targets in intermediate- and high-grade lung neuroendocrine neoplasms

Background: Advancements in immunotherapeutic approaches only had a modest impact on the therapy of lung neuroendocrine neoplasms (LNENs). Our multicenter study aimed to investigate the expression patterns of novel immunotherapy targets in intermediate- and high-grade LNENs. Methods: The expressions of V-domain Ig suppressor of T cell activation (VISTA), OX40L, Glucocorticoid-induced TNF receptor

Search for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector

The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing transverse momentum and b-tagged jets consistent with a Higgs boson. The analysis uses proton-proton collision data at a centre-of-mass energy of 13 TeV recorded by the ATLAS experiment at the L

Clinical Outcomes of Scapular versus Fibular free flaps in Head and Neck Reconstructions : A Retrospective Study of 120 patients"

BACKGROUND: The scapular free flap has increasingly gained popularity as an alternative to the fibular free flap in osseous head and neck reconstruction. The present study aimed to evaluate their use in maxillomandibular reconstructions and examine surgical and patient outcomes.METHODS: Osseous head and neck defects reconstructed with an angular artery-based scapular flap or fibular flap from 2016

Glucocorticoid treatment in SLE is associated with infections, comorbidities and mortality—a national cohort study

Objectives: Patients with SLE have an increased risk of comorbidities and impaired survival. We aimed to assess whether various thresholds of oral CS (OCS) can predict development of infections, comorbidities, malignancies and survival in SLE using data from national health registries in Sweden. Methods: All incident SLE cases, age >18 years, in Sweden (n ¼ 5309) between 2005 and 2020 and matched

The use of adjunct psychosocial interventions can decrease postoperative pain and improve the quality of clinical care in orthopedic surgery. A systematic review and meta-analysis of randomized controlled trials

This study aims to assess the effectiveness of psychosocial techniques to decrease postoperative pain and improve perioperative clinical care in orthopedic surgery. A systematic review and meta-analysis was performed to evaluate the effects of psychosocial methods among adults undergoing orthopedic surgeries. The systematic review included both randomized and nonrandomized trials, but only randomi

Importance of standardizing timing of hematocrit measurement when using cardiovascular magnetic resonance to calculate myocardial extracellular volume (ECV) based on pre- and post-contrast T1 mapping

Background: Cardiovascular magnetic resonance (CMR) can be used to calculate myocardial extracellular volume fraction (ECV) by relating the longitudinal relaxation rate in blood and myocardium before and after contrast-injection to hematocrit (Hct) in blood. Hematocrit is known to vary with body posture, which could affect the calculations of ECV. The aim of this study was to test the hypothesis t

Synovitis and radiographic progression in non-erosive and erosive hand osteoarthritis : is erosive hand osteoarthritis a separate inflammatory phenotype?

OBJECTIVE: To compare the prevalence of synovitis, pain and radiographic progression in non-erosive and erosive hand osteoarthritis (HOA), and to explore whether the different rate of disease progression is explained by different levels of synovitis and structural damage.DESIGN: We included 31 and 34 participants with non-erosive and erosive HOA at baseline, respectively. Using Generalized Estimat

Preoperative CT of cardiac veins for planning left ventricular lead placement in cardiac resynchronization therapy

Background: Successful cardiac resynchronization therapy (CRT) requires appropriate left ventricular (LV) lead placement on a suitable segment of the free LV wall. Current guidelines suggest targeted lead placement, but the individual anatomy of the cardiac veins is often a limiting factor. Purpose: To map cardiac veins with multidetector computed tomography (MDCT) and plot the veins in cardiac se

Arsenite methyltransferase (AS3MT) polymorphisms and arsenic methylation in children in rural Bangladesh

BACKGROUND: Arsenic methylation efficiency, a susceptibility factor for arsenic toxicity, is in adults partly explained by variation in arsenite methyltransferase (AS3MT) gene. Little is known about the role of AS3MT for children's arsenic methylation.OBJECTIVES: Evaluating associations between AS3MT polymorphisms and children's arsenic methylation efficiency.METHODS: Bangladeshi children's arseni

Liver disease in adults with severe alpha-1-antitrypsin deficiency

Background: The proportion of adults with liver disease due to severe alpha-1-antitrypsin deficiency (AATD), with PiZZ phenotype, is not clear. The markers of the AATD liver disease, how it progresses, and measures for its prevention have not been established. The aim of this study was to analyze the risk of liver disease in individuals with severe AAT deficiency (PiZZ). Methods: Longitudinal clin

Familial aggregation and heterogeneity of non-Hodgkin lymphoma in population-based samples

The importance of genetic factors in the etiology of non-Hodgkin lymphoma (NHL) is suggested by case-control and cohort studies. Most previous studies have been too small to estimate accurately risks of specific categories of lymphoproliferative malignancies in relatives of NHL cases or to quantify the contribution of NHL case characteristics to familial risk. We have overcome sample size limitati

Myocardial microinfarction aF Ter coronary microembolization in swine : MR imaging characterization

Purpose: To use first-pass perfusion and delayed-enhanced (DE) magnetic resonance (MR) imaging for the detection of the early effects of coronary microembolization on myocardial perfusion and viability. Materials and Methods: Approval was obtained from the institutional committee on animal research. A hybrid x-ray and MR imaging system was used to guide the endovascular catheter and quantify the l