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https://www.readbyqxmd.com/read/29334139/interleaved-susceptibility-weighted-and-flair-mri-for-imaging-lesion-penetrating-veins-in-multiple-sclerosis
#1
Refaat E Gabr, Amol S Pednekar, Arash Kamali, John A Lincoln, Flavia M Nelson, Jerry S Wolinsky, Ponnada A Narayana
PURPOSE: To simultaneously image brain lesions and veins in multiple sclerosis. METHODS: An interleaved sequence was developed to simultaneously acquire 3-dimensional T2*-weighted (or susceptibility-weighted (SW)) and fluid-attenuated inversion recovery (FLAIR) images on a 3T MRI system. The pulse sequence parameters were calculated to minimize signal perturbation from steady state while maintaining acceptable image contrast and scan time. Fifteen multiple sclerosis patients were enrolled in this prospective study and underwent a standard multiple sclerosis imaging protocol...
January 15, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29332839/magnetic-solid-phase-extraction-based-on-magnetic-multiwalled-carbon-nanotubes-for-the-simultaneous-enantiomeric-analysis-of-five-%C3%AE-blockers-in-the-environmental-samples-by-chiral-liquid-chromatography-coupled-with-tandem-mass-spectrometry
#2
Zhaokun Wang, Xue Zhang, Shenmeng Jiang, Xingjie Guo
In this work, the magnetic multiwalled carbon nanotubes (Mag-MWCNTs) were prepared by self-assembly method and characterized by scanning electron microscopy, X-ray powder diffraction, energy dispersive X-ray and vibrating sample magnetometer. Then, these synthetic Mag-MWCNTs were used as sorbents to extract five β-blockers (atenolol, metoprolol, esmolol, pindolol and arotinolol) by magnetic solid-phase extraction. The target analytes adsorbed on Mag-MWCNTs were eluted and determined on a chiral α-acid glycoprotein column coupled with a triple quadrupole mass spectrometry...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29331697/longitudinal-trajectories-of-post-traumatic-stress-disorder-ptsd-after-birth-and-associated-risk-factors
#3
Pelin Dikmen-Yildiz, Susan Ayers, Louise Phillips
BACKGROUND: Although longitudinal trajectories of post-traumatic stress disorder (PTSD) are well-established in general trauma populations, very little is known about the trajectories of birth-related PTSD. This study aimed to identify trajectories of birth-related PTSD; determine factors associated with each trajectory; and identify women more likely to develop birth-related PTSD. METHOD: 226 women who had traumatic childbirth according to DSM-IV criterion A were drawn from a community sample of 950 women...
January 2, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29330963/metal-organic-framework-based-in-syringe-solid-phase-extraction-for-the-on-site-sampling-of-polycyclic-aromatic-hydrocarbons-from-environmental-water-samples
#4
Xiaoqiong Zhang, Peiyi Wang, Qiang Han, Hengzhen Li, Tong Wang, Mingyu Ding
In-syringe solid-phase extraction is a promising sample pretreatment method for the on-site sampling of water samples because of its outstanding advantages of portability, simple operation, short extraction time and low cost. In this work, a novel in-syringe solid-phase extraction device using metal-organic frameworks as the adsorbent was fabricated for the on-site sampling of polycyclic aromatic hydrocarbons from environmental waters. Trace polycyclic aromatic hydrocarbons were effectively extracted through the self-made device followed by gas chromatography with mass spectrometry analysis...
January 13, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29330835/international-guidelines-for-groin-hernia-management
#5
(no author information available yet)
INTRODUCTION: Worldwide, more than 20 million patients undergo groin hernia repair annually. The many different approaches, treatment indications and a significant array of techniques for groin hernia repair warrant guidelines to standardize care, minimize complications, and improve results. The main goal of these guidelines is to improve patient outcomes, specifically to decrease recurrence rates and reduce chronic pain, the most frequent problems following groin hernia repair. They have been endorsed by all five continental hernia societies, the International Endo Hernia Society and the European Association for Endoscopic Surgery...
January 12, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29328524/self-healing-inside-apbbr3-halide-perovskite-crystals
#6
Davide Raffaele Ceratti, Yevgeny Rakita, Lorenzo Cremonesi, Ron Tenne, Vyacheslav Kalchenko, Michael Elbaum, Dan Oron, Marco Alberto Carlo Potenza, Gary Hodes, David Cahen
Self-healing, where a modification in some parameter is reversed with time without any external intervention, is one of the particularly interesting properties of halide perovskites. While there are a number of studies showing such self-healing in perovskites, they all are carried out on thin films, where the interface between the perovskite and another phase (including the ambient) is often a dominating and interfering factor in the process. Here, self-healing in perovskite (methylammonium, formamidinium, and cesium lead bromide (MAPbBr3 , FAPbBr3 , and CsPbBr3 )) single crystals is reported, using two-photon microscopy to create damage (photobleaching) ≈110 µm inside the crystals and to monitor the recovery of photoluminescence after the damage...
January 12, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29327548/-research-of-tcm-synthetic-rehabilitation-on-the-recovery-of-wrist-joint-after-distal-radius-fractures
#7
Yong Zhao, Qing-Qing Dong, Wei-Kai Qin, An Yan, Kuan Zhang, Guo-Dong Zhao, Gang Wang, Jin-Chao Geng, Zhan-Feng Wang, Ze-Ming Lu
OBJECTIVE: To evaluate efficacy and advantages of the Traditional Chinese Medicine (TCM) synthetic rehabilitation therapy in the treatment of wrist dysfunction after distal radius fractures. METHODS: From May 2014 to October 2015, 72 patients with distal radius fracture meeting standards were treated using central randomization system for clinical research. All the patients were divided into two groups: 36 patients in test group and 36 in control group. Sixty-nine cases were finished treatment and followed up in the end...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327243/facile-synthesis-of-wormhole-like-mesoporous-tin-oxide-via-evaporation-induced-self-assembly-and-the-enhanced-gas-sensing-properties
#8
Xiaoyu Li, Kang Peng, Yewei Dou, Jiasheng Chen, Yue Zhang, Gai An
Wormhole-like mesoporous tin oxide was synthesized via a facile evaporation-induced self-assembly (EISA) method, and the gas-sensing properties were evaluated for different target gases. The effect of calcination temperature on gas-sensing properties of mesoporous tin oxide was investigated. The results demonstrate that the mesoporous tin oxide sensor calcined at 400 °C exhibits remarkable selectivity to ethanol vapors comparison with other target gases and has a good performance in the operating temperature and response/recovery time...
January 11, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29327166/loneliness-in-psychosis-a-systematic-review
#9
REVIEW
Michelle H Lim, John F M Gleeson, Mario Alvarez-Jimenez, David L Penn
PURPOSE: The aim of the review is to understand the relationships between loneliness and related psychological and social factors in individuals with psychosis. Loneliness is poorly understood in people with psychosis. Given the myriad of social challenges facing individuals with psychosis, these findings can inform psychosocial interventions that specifically target loneliness in this vulnerable group. METHODS: We adhered to the PRISMA guidelines and systematically reviewed empirical studies that measured loneliness either as a main outcome or as an associated variable in individuals with psychosis...
January 11, 2018: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/29326097/turning-good-intentions-into-actions-by-using-the-health-action-process-approach-to-predict-adherence-to-internet-based-depression-prevention-secondary-analysis-of-a-randomized-controlled-trial
#10
Anna-Carlotta Zarski, Matthias Berking, Dorota Reis, Dirk Lehr, Claudia Buntrock, Ralf Schwarzer, David Daniel Ebert
BACKGROUND: Many individuals engaging in Internet-based interventions fail to complete these treatments as intended. The processes responsible for treatment adherence in Internet-based interventions are still poorly understood. OBJECTIVE: The aim of this study was to investigate to what extent adherence in an Internet-based intervention can be predicted by motivational and volitional factors outlined in the health action process approach (HAPA). METHODS: This study investigated motivational and volitional factors included in HAPA in a randomized controlled trial to predict treatment adherence of N=101 individuals with subclinical depression in the intervention group of a depression prevention intervention (GET...
January 11, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29326007/direct-recovery-of-boiler-residue-by-combustion-synthesis
#11
Homan Nourbaghaee, Ahmad Ghaderi Hamidi, Mahdi Pourabdoli
Boiler residue (BR) of thermal power plants is one of the important secondary sources for vanadium production. In this research, the aluminothermic self-propagating high-temperature synthesis (SHS) was used for recovering the transition metals of BR for the first time. The effects of extra aluminum as reducing agent and flux to aluminum ratio (CaO/Al) were studied and the efficiency of recovery and presence of impurities were measured. Aluminothermic reduction of vanadium and other metals was carried out successfully by SHS without any foreign heat source...
January 8, 2018: Waste Management
https://www.readbyqxmd.com/read/29323037/bone-marrow-derived-mesenchymal-stem-cells-ameliorate-sodium-nitrite-induced-hypoxic-brain-injury-in-a-rat-model
#12
Elham H A Ali, Omar A Ahmed-Farid, Amany A E Osman
Sodium nitrite (NaNO2) is an inorganic salt used broadly in chemical industry. NaNO2 is highly reactive with hemoglobin causing hypoxia. Mesenchymal stem cells (MSCs) are capable of differentiating into a variety of tissue specific cells and MSC therapy is a potential method for improving brain functions. This work aims to investigate the possible therapeutic role of bone marrow-derived MSCs against NaNO2 induced hypoxic brain injury. Rats were divided into control group (treated for 3 or 6 weeks), hypoxic (HP) group (subcutaneous injection of 35 mg/kg NaNO2 for 3 weeks to induce hypoxic brain injury), HP recovery groups N-2wR and N-3wR (treated with the same dose of NaNO2 for 2 and 3 weeks respectively, followed by 4-week or 3-week self-recovery respectively), and MSCs treated groups N-2wSC and N-3wSC (treated with the same dose of NaNO2 for 2 and 3 weeks respectively, followed by one injection of 2 × 106 MSCs via the tail vein in combination with 4 week self-recovery or intravenous injection of NaNO2 for 1 week in combination with 3 week self-recovery)...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29318742/extracellular-water-excess-and-increased-self-reported-fatigue-in-chronic-hemodialysis-patients
#13
Kamonwan Tangvoraphonkchai, Andrew Davenport
Hemodialysis patients (HD) commonly report fatigue. Muscle wasting (sarcopenia) and extracellular water (ECW) excess have been reported to be associated with fatigue in other conditions. We wished to determine whether muscle loss and ECW excess were associated with fatigue in HD patients. Patients completed the Multidimensional Fatigue Inventory (MFI), Beck Depression Inventory-II (BDI-II), Patient Health Questionnaires (PHQ-9) and recorded their post-dialysis recovery time. Sessional dialysis data were recorded along with pre- and post-dialysis multi-frequency bioimpedance assessments (MFBIA)...
January 10, 2018: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29316821/evaluation-of-a-functional-hand-orthosis-combined-with-electrical-stimulation-adjunct-to-arm-hand-rehabilitation-in-subacute-stroke-patients-with-a-severely-to-moderately-affected-hand-function
#14
Johan Anton Franck, Rob Johannes Elise Marie Smeets, Henk Alexander Maria Seelen
PURPOSE: To investigate the usability and effectiveness of a functional hand orthosis, combined with electrical stimulation adjunct to therapy-as-usual, on functional use of the moderately/severely impaired hand in sub-acute stroke patients. MATERIALS AND METHODS: Single case experiment (A-B-A'-design) involving eight sub-acute stroke patients. The functional hand orthosis and electrical stimulation were used for six weeks, four days/week, 45'/day. OUTCOME MEASURES: Action_Research_Arm_Test, Intrinsic_Motivation_Inventory...
January 9, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29315129/relative-contributions-of-adductor-canal-block-and-intrathecal-morphine-to-analgesia-and-functional-recovery-after-total-knee-arthroplasty-a-randomized-controlled-trial
#15
Abhijit Biswas, Anahi Perlas, Meela Ghosh, KiJinn Chin, Ahtsham Niazi, Barjind Pandher, Vincent Chan
BACKGROUND AND OBJECTIVES: Effective postoperative analgesia may enhance early rehabilitation after orthopedic surgery. This randomized double-blind trial investigates the relative contributions of adductor canal block and low-dose intrathecal morphine (ITM) to postoperative analgesia and functional recovery after total knee arthroplasty. METHODS: Two-hundred one patients undergoing elective unilateral total knee arthroplasty under spinal anesthesia were randomized to 3 groups...
January 9, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29313873/the-value-of-incorporating-personally-relevant-stimuli-into-consciousness-assessment-with-the-coma-recovery-scale-revised-a-pilot-study
#16
Jonas Stenberg, Alison K Godbolt, Marika C Möller
OBJECTIVE: To explore whether the use of personally relevant stimuli, for some tasks in the Coma Recovery Scale - Revised (CRS-R), generates more responses in patients with prolonged disorders of consciousness compared with neutral stimuli. DESIGN: Multiple single-case design. SUBJECTS: Three patients with prolonged disorders of consciousness recruited from an inpatient department at a regional brain injury rehabilitation clinic in Stockholm, Sweden...
January 9, 2018: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29313172/do-providers-know-what-they-do-not-know-a-correlational-study-of-knowledge-acquisition-and-person-centered-care
#17
Elizabeth B Matthews, Victoria Stanhope, Mimi Choy-Brown, Meredith Doherty
Person-centered care (PCC) is a central feature of health care reform, yet the tools needed to deliver this practice have not been implemented consistently. Person-centered care planning (PCCP) is a treatment planning approach operationalizing the values of recovery. To better understand PCCP implementation, this study examined the relationship between recovery knowledge and self-reported PCCP behaviors among 224 community mental health center staff. Results indicated that increased knowledge decreased the likelihood of endorsing non-recovery implementation barriers and self-reporting a high level of PCCP implementation...
January 8, 2018: Community Mental Health Journal
https://www.readbyqxmd.com/read/29310702/mondor-s-disease-a-rare-cause-of-chest-pain-a-case-report
#18
Navaneethakrishnan Suganthan, Vithiya Ratnasamy
BACKGROUND: Chest pain is one of the common presenting symptoms encountered in an emergency department. Prompt history taking and careful clinical examination do help to differentiate cardiac chest pain from other causes. Mondor's disease is a rare cause of chest pain which is often underdiagnosed due to lack of awareness. Mondor's disease is a condition characterized by thrombophlebitis of the superficial veins of breast and anterior chest wall. The diagnosis is often made clinically...
January 9, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29310271/a-novel-peptide-fe3o4-sio2-au-nanocomposite-based-fluorescence-biosensor-for-the-highly-selective-and-sensitive-detection-of-prostate-specific-antigen
#19
Lanfang Yang, Nan Li, Ke Wang, Xiaoman Hai, Junxia Liu, Fuquan Dang
Highly selective and sensitive detection methods are very important for the early diagnosis of prostate-specific antigen (PSA). Here, we present a novel peptide/Fe3O4@SiO2-Au nanocomposite-based fluorescence biosensor for highly selective and sensitive detection of PSA. The biosensor was made by self-organizing 5-FAM labeled peptides onto the surface of magnetic Fe3O4@SiO2-Au nanocomposites (MNCPs), resulting in efficient quenching of the FAM fluorescence. The PSA specifically recognized and cleaved the 5-FAM-labeled peptides, leading to the fluorescence recovery...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29309056/suppression-of-luteinizing-hormone-enhances-hsc-recovery-after-hematopoietic-injury
#20
Enrico Velardi, Jennifer J Tsai, Stefan Radtke, Kirsten Cooper, Kimon V Argyropoulos, Shieh Jae-Hung, Lauren F Young, Amina Lazrak, Odette M Smith, Sophie Lieberman, Fabiana Kreines, Yusuke Shono, Tobias Wertheimer, Robert R Jenq, Alan M Hanash, Prema Narayan, Zhenmin Lei, Malcolm A Moore, Hans-Peter Kiem, Marcel R M van den Brink, Jarrod A Dudakov
There is a substantial unmet clinical need for new strategies to protect the hematopoietic stem cell (HSC) pool and regenerate hematopoiesis after radiation injury from either cancer therapy or accidental exposure. Increasing evidence suggests that sex hormones, beyond their role in promoting sexual dimorphism, regulate HSC self-renewal, differentiation, and proliferation. We and others have previously reported that sex-steroid ablation promotes bone marrow (BM) lymphopoiesis and HSC recovery in aged and immunodepleted mice...
January 8, 2018: Nature Medicine
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