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https://www.readbyqxmd.com/read/28431396/skeletal-muscle-measures-and-physical-function-in-older-adults-with-cancer-sarcopenia-or-myopenia
#1
Grant R Williams, Allison M Deal, Hyman B Muss, Marc S Weinberg, Hanna K Sanoff, Kirsten A Nyrop, Mackenzi Pergolotti, Shlomit Strulov Shachar
BACKGROUND: Skeletal muscle loss, commonly known as sarcopenia, is highly prevalent in older adults and linked with adverse outcomes in cancer, yet the definition and role of sarcopenia remains uncertain. The aim of this study was to examine the association of Computerized Tomography (CT) assessed skeletal muscle measures with physical function in older adults with cancer. RESULTS: CTs for 185 patients were available. Median age 73 (IQR 68-76) and 56.5% female. After controlling for sex and BMI, we found no evidence that SMI was associated with physical function impairments...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429056/prognostic-significance-of-supradiaphragmatic-lymph-nodes-at-initial-presentation-in-patients-with-stage-iii-high-grade-serous-ovarian-cancer
#2
L J McIntosh, A C O'Neill, S Bhanusupriya, S A Matalon, A D Van den Abbeele, N H Ramaiya, A B Shinagare
PURPOSE: To identify the optimal size threshold and to assess the prognostic significance of supradiaphragmatic lymph nodes at initial presentation of patients with high-grade serous ovarian cancer (HGSC). METHODS: This IRB-approved, HIPAA-compliant retrospective study included baseline pretreatment staging abdominal CTs of 88 women (mean age 62 years, SD 10.4, range 29-85) with FIGO stage III HGSC. Patients with stage IV disease were excluded due to worse prognosis and management guided by distant metastases...
April 20, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28426472/imaging-in-patients-with-crohn-s-disease-trends-in-abdominal-ct-mri-utilization-and-radiation-exposure-considerations-over-a-10-year-period
#3
Hamed Kordbacheh, Vinit Baliyan, Jessica Serrao, Michael S Gee, Vijay Yajnik, Dushyant V Sahani, Avinash R Kambadakone
PURPOSE: To study the trends in utilization of computed tomography (CT) and magnetic resonance imaging (MRI) in patients with Crohn's disease and to evaluate changes in CT radiation exposure over a 10-year period. METHODS: In this institutional review board-approved single-institution retrospective study, we included patients who underwent CT and MRIs for evaluation of Crohn's disease between 2006 and 2015. A total of 3196 CTs and 1924 MR scans were performed in 2156 patients (mean age: 34...
April 19, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28426148/three-dimensional-finite-element-based-deformable-image-registration-for-evaluation-of-pleural-cavity-irradiation-during-photodynamic-therapy
#4
Rozhin Penjweini, Michele M Kim, Timothy C Zhu
PURPOSE: Photodynamic therapy (PDT) is used after surgical resection to treat the microscopic disease for malignant pleural mesothelioma and to increase survival rates. As accurate light delivery is imperative to PDT efficacy, the deformation of the pleural volume during the surgery is studied on its impact on the delivered light fluence. In this study, a three-dimensional finite element-based (3D FEM) deformable image registration is proposed to directly match the volume of lung to the volume of pleural cavity obtained during PDT to have accurate representation of the light fluence accumulated in the lung, heart and liver (organs-at-risk) during treatment...
April 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28422907/adequacy-and-accuracy-of-non-trauma-center-computed-tomography-what-are-we-missing
#5
Morgan Bonds, Stephen Hersperger, Tabitha Garwe, Robert Fails, Sigrid Johannesen, Christina Kim, Ademola A Adeseye, Jason Lees, William Havron
BACKGROUND: Timely and appropriate use of computed tomography (CT) scans is critical to the evaluation of traumatic injuries. The objective of this study was to assess the adequacy of CT scans performed at non-trauma centers (NTCs) as they pertain to the management of trauma patients. METHODS: Adult patients transferred to our ACS-verified level 1 trauma center from any NTC between May and December 2012 were enrolled prospectively. Available CT images from NTCs were reviewed in a blinded fashion by our facility's trauma radiologist; his interpretations were compared with those from the NTC...
April 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28420099/na%C3%A2-%C2%BAi-k%C3%A2-%C2%BAi-dependent-and-independent-signaling-triggered-by-cardiotonic-steroids-facts-and-artifacts
#6
REVIEW
Sergei N Orlov, Elizaveta A Klimanova, Artem M Tverskoi, Elizaveta A Vladychenskaya, Larisa V Smolyaninova, Olga D Lopina
Na⁺,K⁺-ATPase is the only known receptor of cardiotonic steroids (CTS) whose interaction with catalytic α-subunits leads to inhibition of this enzyme. As predicted, CTS affect numerous cellular functions related to the maintenance of the transmembrane gradient of monovalent cations, such as electrical membrane potential, cell volume, transepithelial movement of salt and osmotically-obliged water, symport of Na⁺ with inorganic phosphate, glucose, amino acids, nucleotides, etc. During the last two decades, it was shown that side-by-side with these canonical Na⁺i/K⁺i-dependent cellular responses, long-term exposure to CTS affects transcription, translation, tight junction, cell adhesion and exhibits tissue-specific impact on cell survival and death...
April 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28419926/stability-and-activity-of-immobilized-trypsin-on-carboxymethyl-chitosan-functionalized-magnetic-nanoparticles-cross-linked-with-carbodiimide-and-glutaraldehyde
#7
Jun Sun, Lin Yang, Mengmeng Jiang, Yu Shi, Bin Xu, Hai-le Ma
Enzyme cross-linkers, such as 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) and glutaraldehyde (GA), have been used to improve the stability of immobilized enzymes. We have developed a relatively stable and high-activity immobilized trypsin through EDC and GA cross-linking. Carboxymethyl chitosan (CM-CTS)-functionalized magnetic nanoparticles (Fe3O4@CM-CTS) were prepared, and characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis, X-ray diffraction, and transmission electron microscopy...
April 10, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28419645/diagnostic-performance-of-different-imaging-modalities-in-the-assessment-of-distant-metastasis-and-local-recurrence-of-tumor-in-patients-with-non-small-cell-lung-cancer
#8
Yoshiharu Ohno, Takeshi Yoshikawa, Yuji Kishida, Shinichiro Seki, Hisanobu Koyama, Masao Yui, Yoshimori Kassai, Kota Aoyagi, Shigeo Kaminaga, Kazuro Sugimura
PURPOSE: To compare the diagnostic performance of positron emission tomography with [18F] fluoro-2-deoxy-glucose (FDG-PET) coregistered with magnetic resonance imaging (FDG-PET/MRI), MRI with and without diffusion-weighted imaging (DWI), FDG-PET fused with computed tomography (FDG-PET/CT) with brain contrast-enhanced (CE-) MRI, and routine radiological examination for assessment of postoperative recurrence in nonsmall-cell lung cancer (NSCLC) patients. MATERIALS AND METHODS: 96 consecutive postoperative NSCLC patients (52 men, 44 women; mean age 72 years) prospectively underwent whole-body 3T MRI with and without DWI; PET/CTs and routine radiological examinations consisted of CE-brain MRI, whole-body CE-CT, and bone scintigraphy...
April 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28415809/report-on-the-development-and-application-of-pet-ct-in-mainland-china
#9
Yumei Chen, Ruohua Chen, Xiang Zhou, Jianjun Liu, Gang Huang
PURPOSE: To examine the development and application of systems combining positron emission and x-ray-computed tomography systems (PET/CTs) in mainland China. METHODS: Using a questionnaire, we surveyed Chinese medical institutions on a variety topics relating to their PET/CT systems and its use. The respondents had PET/CTs installed and in clinical use before 31 December 2015. We examined the clinical scenarios to which Chinese PET/CTs were applied by reviewing the related Chinese and international literature from the start of 1995 to the end of 2013; these papers were found by searching the Wanfang and PubMed databases, respectively...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414682/a-left-main-coronary-artery-thrombus-presenting-as-a-non-st-elevation-mi
#10
U Ezema, D Daberkow, T Delord, L Guidry, N R Sells
INTRODUCTION: Left main coronary artery (LMCA); thrombus with an acute myocardial infarction identified with coronary angiography is a clinically rare condition with an extremely high mortality rate. We present a case of LMCA thrombus that presented as a non-ST elevation myocardial infarction (NSTEMI);. CASE: A 45-year-old woman with a history of tobacco use and hyperlipidemia presented with a complaint of 10/10 "hard pain" across her chest radiating to her left shoulder and breast which woke her from sleep...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413892/amyloid-detection-in-the-transverse-carpal-ligament-of-patients-with-hereditary-attr-v30m-amyloidosis-and-carpal-tunnel-syndrome
#11
Raquel Samões, Ricardo Taipa, Kátia Valdrez, Isabel Gonçalves, Manuel Melo Pires, Ana Martins da Silva, Teresa Coelho
INTRODUCTION: Carpal tunnel syndrome (CTS) is a nonspecific manifestation of hereditary ATTR amyloidosis (ATTRm). Amyloid deposition of wild-type TTR (WT-ATTR) has been found in transverse carpal ligament (TCL) in idiopathic CTS. We retrospectively studied a group of patients with ATTRm and CTS submitted to carpal tunnel release surgery (CTRS). METHODS: From the nerve conduction studies performed in our Clinical Unit dedicated to hereditary amyloidosis between July 2009 and October 2013, we selected patients who fulfilled neurophysiological criteria for CTS, had been submitted to CTRS and whose TCL was available for pathology...
April 16, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28410792/accuracy-of-pecarn-catch-and-chalice-head-injury-decision-rules-in-children-a-prospective-cohort-study
#12
Franz E Babl, Meredith L Borland, Natalie Phillips, Amit Kochar, Sarah Dalton, Mary McCaskill, John A Cheek, Yuri Gilhotra, Jeremy Furyk, Jocelyn Neutze, Mark D Lyttle, Silvia Bressan, Susan Donath, Charlotte Molesworth, Kim Jachno, Brenton Ward, Amanda Williams, Amy Baylis, Louise Crowe, Ed Oakley, Stuart R Dalziel
BACKGROUND: Clinical decision rules can help to determine the need for CT imaging in children with head injuries. We aimed to validate three clinical decision rules (PECARN, CATCH, and CHALICE) in a large sample of children. METHODS: In this prospective observational study, we included children and adolescents (aged <18 years) with head injuries of any severity who presented to the emergency departments of ten Australian and New Zealand hospitals. We assessed the diagnostic accuracy of PECARN (stratified into children aged <2 years and ≥2 years), CATCH, and CHALICE in predicting each rule-specific outcome measure (clinically important traumatic brain injury [TBI], need for neurological intervention, and clinically significant intracranial injury, respectively)...
April 11, 2017: Lancet
https://www.readbyqxmd.com/read/28410494/enhancing-the-antimony-sorption-properties-of-nano-titania-chitosan-beads-using-epichlorohydrin-as-the-crosslinker
#13
Padala Abdul Nishad, Anupkumar Bhaskarapillai, Sankaralingam Velmurugan
Antimony is classified as a pollutant of priority importance by USEPA. We have earlier reported the synthesis of nano-titania impregnated epichlorohydrin crosslinked chitosan (TA-Cts-Epi) beads, in a format suitable for large scale applications with high sorption capacity for antimony. To understand the sorption mechanism, and to fine tune the bead composition, the effect of crosslinking density on the swelling and sorption properties of the beads was investigated in detail. Epichlorohydrin effected significant changes in physical and sorption properties of the beads...
April 4, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28405834/feasibility-study-of-a-generalized-framework-for-developing-computer-aided-detection-systems-a-new-paradigm
#14
Mitsutaka Nemoto, Naoto Hayashi, Shouhei Hanaoka, Yukihiro Nomura, Soichiro Miki, Takeharu Yoshikawa
We propose a generalized framework for developing computer-aided detection (CADe) systems whose characteristics depend only on those of the training dataset. The purpose of this study is to show the feasibility of the framework. Two different CADe systems were experimentally developed by a prototype of the framework, but with different training datasets. The CADe systems include four components; preprocessing, candidate area extraction, candidate detection, and candidate classification. Four pretrained algorithms with dedicated optimization/setting methods corresponding to the respective components were prepared in advance...
April 12, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28402731/characterization-of-inorganic-filler-content-mechanical-properties-and-light-transmission-of-bulk-fill-resin-composites
#15
B M Fronza, Apa Ayres, R R Pacheco, F A Rueggeberg, Cts Dias, M Giannini
OBJECTIVES: The aims of this study were to characterize inorganic content (IC), light transmission (LT), biaxial flexural strength (BFS), and flexural modulus (FM) of one conventional (layered) and four bulk-fill composites at different depths. METHODS: Bulk-fill composites tested were Surefil SDR flow (SDR), Filtek Bulk Fill (FBF), Tetric EvoCeram Bulk Fill (TEC), and EverX Posterior (EXP). Herculite Classic (HER) was used as a control. Energy dispersive x-ray analysis and scanning electron microscopy were used to characterize filler particle composition and morphology...
April 12, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28400900/conjugate-eye-deviation-on-ct-associated-with-worse-outcomes-despite-iv-thrombolysis
#16
Nirav H Shah, Nirav Bhatt, Anita Tipirneni, Diego Condes, Priyank Khandelwal, Jose G Romano
INTRODUCTION: Rapid stroke management has significant implications in patient outcomes. Ipsilateral computed tomography conjugate eye deviation (CT-CED) has been associated with worse outcomes but has never been evaluated as predictive of vascular occlusion. To test the hypothesis that CT-CED is a marker for vascular occlusion, we evaluated patients treated with intravenous tissue plasminogen activator (IV tPA). METHODS: We performed a retrospective analysis of patients with acute ischemic stroke treated with IV tPA at a large tertiary care hospital over an 18-month period...
April 2017: Neurohospitalist
https://www.readbyqxmd.com/read/28400666/limited-incision-carpal-tunnel-release
#17
Sunil Gaba, Sandeep Bhogesha, Onkar Singh
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common peripheral entrapment neuropathy. Limited incision techniques for carpal tunnel release are gaining popularity. The main advantages of these techniques are less scar load, less pillar pain, shorter recovery, and return-to-work time. However, the completeness of release, and risk of neurovascular injury are always a concern. We devised a method of limited incision release with two mini-incisions and use of nasal speculum and a probe...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28395984/efficacy-of-manual-therapy-including-neurodynamic-techniques-for-the-treatment-of-carpal-tunnel-syndrome-a-randomized-controlled-trial
#18
Tomasz Wolny, Edward Saulicz, Paweł Linek, Michael Shacklock, Andrzej Myśliwiec
OBJECTIVE: The purpose of this randomized trial was to compare the efficacy of manual therapy, including the use of neurodynamic techniques, with electrophysical modalities on patients with mild and moderate carpal tunnel syndrome (CTS). METHODS: The study included 140 CTS patients who were randomly assigned to the manual therapy (MT) group, which included the use of neurodynamic techniques, functional massage, and carpal bone mobilizations techniques, or to the electrophysical modalities (EM) group, which included laser and ultrasound therapy...
April 8, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28395966/measurement-of-median-nerve-strain-and-applied-pressure-for-the-diagnosis-of-carpal-tunnel-syndrome
#19
Yuichi Yoshii, Wen-Lin Tung, Tomoo Ishii
The objective of this study was to evaluate the diagnostic utility of strain and applied-pressure measurements of the median nerve in carpal tunnel syndrome (CTS). Thirty-five wrists of 23 idiopathic CTS patients and 30 wrists of 15 normal patients were examined. Median nerve strain, pressure to the skin and the pressure/strain ratio were measured at the proximal carpal tunnel level. Parameters were compared between CTS patients and controls. The areas under the receiver operating characteristic curves (AUCs) were compared for the parameters...
April 7, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28395706/accumulation-of-content-validation-evidence-for-the-critical-thinking-self-assessment-scale
#20
Girija Gopinathan Nair, Laurie-Ann M Hellsten, Lynnette Leeseberg Stamler
BACKGROUND/PURPOSE: Critical thinking skills (CTS) are essential for nurses; assessing students' acquisition of these skills is a mandate of nursing curricula. This study aimed to develop a self-assessment instrument of critical thinking skills (Critical Thinking Self-Assessment Scale [CTSAS]) for students' self-monitoring. METHODS: An initial pool of 196 items across 6 core cognitive skills and 16 subskills were generated using the American Philosophical Association definition of CTS...
April 1, 2017: Journal of Nursing Measurement
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