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https://www.readbyqxmd.com/read/28250929/ambiguous-presentation-of-mycobacterium-avium-complex-associated-rasmussen-aneurysm
#1
Hsin-Wei Chiu, Shu-Hung Kuo, Ruay-Sheng Lai, Ming-Ting Wu, Hsiu-Fu Wu
A 77-year-old man with a progressively dry cough (two months duration) was admitted with hemoptysis. Chest computed tomography (CT) revealed left lingular lobe consolidation and one thick-walled cavity lesion over the left lower lobe, which was accompanied by satellite micro-nodules in a tree-in-bud pattern. CT-guided biopsy confirmed mycobacterial infection, and subsequent culture yielded Mycobacterium avium complex (MAC). Unremitting hemoptysis was present despite treatment (14 days) with ethambutol, rifampin, clarithromycin, and streptomycin...
May 2017: Respirology Case Reports
https://www.readbyqxmd.com/read/28178868/low-level-laser-effect-on-proliferation-migration-and-antiapoptosis-of-mesenchymal-stem-cells
#2
Kan Yin, Rongjia Zhu, Shihua Wang, Robert Chunhua Zhao
Mesenchymal stem cells (MSCs) have been proved to be an important element in cell-based therapy. Photobiomodulation used extremely low-level lasers (LLLs) to affect the behavior of cells. The effect mechanism of LLLs on MSCs from human remained to be discovered. In this study, cell viability was assessed using MTS assays and cell cycle was evaluated by fluorescence-activated cell sorting (FACS). The influence of LLLs on mitochondrial biogenesis (fission or fusion) and function (ATP, reactive oxygen species [ROS], nitric oxide [NO]) was evaluated by transmission electron microscope, FACS, quantitative real time polymerase chain reaction (q-PCR), and immunocytochemistry...
March 27, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28174411/-primary-lung-cancer-associated-with-dilated-phase-of-hypertrophic-cardiomyopathy-report-of-a-case
#3
Takehiro Sakai, Takao Tsushima, Daisuke Kimura, Ryo Hatanaka, Masahiro Sawada, Yutaka Sato
A 66-year-old man diagnosed as dilated phase of hypertrophic cardiomyopathy (D-HCM) was pointed out an abnormal shadow on routine chest radiography. The patient had past medical history of hypertension, congestive heart failure and chronic obstructive pulmonary disease. The computed tomography showed a 3.8 cm-sized tumor in the left lower lobe of the lung, and histopathological examination revealed squamous cell carcinoma (cT2aN0-1M0, cStage I B-II A). Cardiosonography showed diffuse hypokinesis from basal to mid area, and ejection fraction was 36...
February 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27717235/exogenous-lipoid-pneumonia-induced-by-nasal-decongestant
#4
Giorgia A Osman, Alberto Ricci, Fabrizio Terzo, Carlo Falasca, Maria R Giovagnoli, Pierdonato Bruno, Andrea Vecchione, Salvatore Raffa, Sabatino Valente, Maria R Torrisi, Chiara De Dominicis, Simonetta Giovagnoli, Salvatore Mariotta
INTRODUCTION: Lipoid pneumonia is a clinical condition that may be initially asymptomatic or confused with an infectious or malignant lung disease. OBJECTIVES: We report four cases of this pathological condition. METHODS: The first case concerned an 85-year old woman with bilateral confluent pulmonary opacities, ground-glass type. Diagnosis was based on the cytology of the bronchoalveolar lavage (BAL) fluid followed by its ultrastructural examination...
September 22, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27214173/speciation-of-selenium-in-selenium-enriched-sunflower-oil-by-high-performance-liquid-chromatography-inductively-coupled-plasma-mass-spectrometry-electrospray-orbitrap-tandem-mass-spectrometry
#5
Katarzyna Bierla, Anna Flis-Borsuk, Piotr Suchocki, Joanna Szpunar, Ryszard Lobinski
The reaction of sunflower oil with selenite produces a complex mixture of selenitriglycerides with antioxidant and anticancer properties. To obtain insight into the identity and characteristics of the species formed, an analytical approach based on the combination of high-performance liquid chromatography (HPLC) with (78)Se-specific selenium detection by inductively coupled plasma mass spectrometry (ICP MS) and high-resolution (100 000), high mass accuracy (<1 ppm) molecule-specific detection by electrospray-Orbitrap MS(3) was developed...
June 22, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/26853970/feasibility-of-respiratory-gated-high-pitch-spiral-ct-free-breathing-inspiratory-image-quality
#6
Michael M Lell, Michael Scharf, Achim Eller, Wolfgang Wuest, Thomas Allmendinger, Florian Fuchs, Stephan Achenbach, Michael Uder, Matthias S May
RATIONALE AND OBJECTIVES: This study aimed to develop and implement a respiratory-gated setup for dual-source computed tomography (CT) at high pitch to examine patients in a reproducible inspiratory phase. MATERIALS AND METHODS: Twenty-one patients underwent free-breathing respiratory-gated chest CT using a high-pitch scan mode no more than 6 months after inspiratory breath-held nongated CT, which serves as reference. Scan parameters were as follows: pitch = 3...
April 2016: Academic Radiology
https://www.readbyqxmd.com/read/26342254/pulmonary-inflammatory-pseudotumor-due-to-coxiella-burnetii-case-report-and-literature-review
#7
REVIEW
M F Polo, S Mastrandrea, L Santoru, A Arcadu, G Masala, V Marras, G Bagella, M M Sechi, F Tanda, P Pirina
A 58-year-old man was admitted because of respiratory failure, episodic fever with chilling, cough, malaise, fatigue, myalgia and weight loss lasting for at least one month. Chest x-rays and CT scan of the chest showed bilateral pulmonary consolidations in upper lobes, the left lower lobe, and mediastinal lymphadenopathy. Bronchoscopy with cytology was unremarkable. A needle CT-guided lung biopsy documented an inflammatory pseudotumor, lymphoplasmacytic type. Serology showed high titer antibodies to phase II Coxiella burnetii infection...
November 2015: Microbes and Infection
https://www.readbyqxmd.com/read/26338461/observation-of-cardiogenic-flow-oscillations-in-healthy-subjects-with-hyperpolarized-3he-mri
#8
Guilhem J Collier, Helen Marshall, Madhwesha Rao, Neil J Stewart, David Capener, Jim M Wild
Recently, dynamic MRI of hyperpolarized (3)He during inhalation revealed an alternation of the image intensity between left and right lungs with a cardiac origin (Sun Y, Butler JP, Ferrigno M, Albert MS, Loring SH. Respir Physiol Neurobiol 185: 468-471, 2013). This effect is investigated further using dynamic and phase-contrast flow MRI with inhaled (3)He during slow inhalations (flow rate ∼100 ml/s) to elucidate airflow dynamics in the main lobes in six healthy subjects. The ventilation MR signal and gas inflow in the left lower lobe (LLL) of the lungs were found to oscillate clearly at the cardiac frequency in all subjects, whereas the MR signals in the other parts of the lungs had a similar oscillatory behavior but were smaller in magnitude and in anti-phase to the signal in the left lower lung...
November 1, 2015: Journal of Applied Physiology
https://www.readbyqxmd.com/read/25632449/chromium-speciation-in-environmental-samples-by-solid-phase-extraction-using-lewatit-ionac-sr-7-resin-and-flame-atomic-absorption-spectrometry
#9
Serife Sacmaçi, Senol Kartal, Sevim Kumsuz
A new method for the speciation, preconcentration, and separation of Cr(lll) and Cr(VI) species in different matrixes was developed using SPE combined with flame atomic absorption spectrometry. Theprocedure is based on the exchange of Cr(VI) ions as CrO(4)(2-) with CI- ions on Lewatit lonac SR-7 ion-exchange resin. After the oxidation of Cr(lll) to CrO(4)(2-) ions by concentrated H202 in basic medium, the procedure was applied to the determination of total Cr. Cr(lll) was calculated as the difference between the total Cr and Cr(VI) contents...
November 2014: Journal of AOAC International
https://www.readbyqxmd.com/read/25632444/sea-sponge-as-a-low-cost-biosorbent-for-solid-phase-extraction-of-some-heavy-metal-ions-and-determination-by-flame-atomic-absorption-spectrometry
#10
Aslihan Karatepe, Mustafa Soylak
A new, easy, sensitive, and environmentally friendly separation and preconcentration method was developed to determine Cu(ll), Fe(lll), Pb(ll), and Ni(ll) at trace levels by use of a column filled with sea sponge without any complexing reagent, and atomic absorption spectrometry. The influences of analytical parameters, such as pH of the solutions, type of eluent, volume of sample, solution and eluent flow rates, and diverse ions, were examined for the quantitative recoveries of the analyte ions. The metal ions were eluted from the column by using 2 M HNO3...
November 2014: Journal of AOAC International
https://www.readbyqxmd.com/read/25573211/-the-clinical-application-value-of-dual-source-ct-quantification-volume-imaging-to-forecast-lung-cancer-patients-postoperative-pulmonary-function-changing-a-prospective-study
#11
Min Li, Chaoyang Liang, Juntang Guo, Yongfu Ma, Liang Zhou, Pu Yang, Gongzheng Yang, Yang Liu
OBJECTIVE: To probe the clinical application and value of dual source CT quantification volume imaging to forecast lung cancer patients' postoperative pulmonary function changing. METHODS: Between June 2012 and June 2013, there were 233 patients (121 male patients and 112 female patients, with a mean age of (53 ± 16) years) who accepted the thoracoscope lobectomy or unilateral holo-lungs pneumonectomy accepted pulmonary function test before and after 3 months of the surgery...
October 2014: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/24727951/a-high-resolution-computer-tomography-scoring-system-to-predict-culture-positive-pulmonary-tuberculosis-in-the-emergency-department
#12
Jun-Jun Yeh, Choo-Aun Neoh, Cheng-Ren Chen, Christine Yi-Ting Chou, Ming-Ting Wu
This study evaluated the use of high-resolution computed tomography (HRCT) to predict the presence of culture-positive pulmonary tuberculosis (PTB) in adult patients with pulmonary lesions in the emergency department (ED). The study included a derivation phase and validation phase with a total of 8,245 patients with pulmonary disease. There were 132 patients with culture-positive PTB in the derivation phase and 147 patients with culture-positive PTB in the validation phase. Imaging evaluation of pulmonary lesions included morphology and segmental distribution...
2014: PloS One
https://www.readbyqxmd.com/read/24385190/changes-in-systemic-and-pulmonary-blood-flow-distribution-in-normal-adult-volunteers-in-response-to-posture-and-exercise-a-phase-contrast-magnetic-resonance-imaging-study
#13
COMPARATIVE STUDY
Derek T H Wong, Kyong-Jin Lee, Shi-Joon Yoo, George Tomlinson, Lars Grosse-Wortmann
Hemodynamics are usually evaluated in the supine position at rest. This is only a snapshot of an individual's daily activities. This study describes circulatory adaptation, as assessed by magnetic resonance imaging, to changes in position and exercise. Phase contrast magnetic resonance imaging of blood flow within systemic and pulmonary arteries and veins was performed in 24 healthy volunteers at rest in the prone and supine position and with bicycle exercise in the supine position. No change was seen in systemic blood flow when moving from prone to supine...
March 2014: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/24347356/liver-remnant-regeneration-in-donors-after-living-donor-liver-transplantation-long-term-follow-up-using-ct-and-mr-imaging
#14
T Klink, P Simon, C Knopp, H Ittrich, L Fischer, G Adam, A Koops
PURPOSE: To assess liver remnant volume regeneration and maintenance, and complications in the long-time follow-up of donors after living donor liver transplantation using CT and MRI. MATERIALS AND METHODS: 47 donors with a mean age of 33.5 years who donated liver tissue for transplantation and who were available for follow-up imaging were included in this retrospective study. Contrast-enhanced CT and MR studies were acquired for routine follow-up. Two observers evaluated pre- and postoperative images regarding anatomy and pathological findings...
June 2014: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/24083492/clear-cell-tumor-of-the-lung-a-case-report-and-literature-review
#15
REVIEW
Guang-xian Wang, Dong Zhang, Xin-wei Diao, Li Wen
Clear cell tumor of the lung is a rare and benign pulmonary tumor; only sporadic cases have been reported. Here, we report the case of a 38-year-old man with recurrent cough, blood-streaked sputum and left chest pain. A chest computed tomography scan showed a round, homogeneous pulmonary mass in the left lower lobe, which exhibited intense heterogeneous enhancement in the arterial phase and homogeneous in the delay phase after injecting a contrast agent. The patient underwent a fine-needle aspiration biopsy and was diagnosed as having a benign clear cell tumor of the lung...
2013: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/23586537/modeling-human-sequence-learning-under-incidental-conditions
#16
RANDOMIZED CONTROLLED TRIAL
F Yeates, F W Jones, A J Wills, R P McLaren, I P L McLaren
This research explored the role that associative learning may play in human sequence learning. Two-choice serial reaction time tasks were performed under incidental conditions using 2 different sequences. In both cases, an experimental group was trained on 4 subsequences: LLL, LRL, RLR, and RRR for Group "Same" and LLR, LRR, RLL, and RRL for Group "Different," with left and right counterbalanced across participants. To control for sequential effects, we assayed sequence learning by comparing their performance with that of a control group, which had been trained on a pseudorandom ordering, during a test phase in which both experimental and control groups experienced the same subsequences...
April 2013: Journal of Experimental Psychology. Animal Behavior Processes
https://www.readbyqxmd.com/read/23411267/purification-and-identification-of-lipolysis-stimulating-peptides-derived-from-enzymatic-hydrolysis-of-soy-protein
#17
May-June Tsou, Fuh-Juin Kao, Hsi-Chi Lu, Hao-Chun Kao, Wen-Dee Chiang
The aim of this study was to purify and identify lipolysis-stimulating peptides derived from Flavourzyme®-soy protein isolate (SPI) hydrolysate (F-SPIH). Glycerol release was employed as a marker for lipolysis in 3T3-L1 adipocytes. A higher glycerol release represents a better lipolysis-stimulating activity. The peptide fraction with highest glycerol release obtained from F-SPIH fractionated by sequential ultrafiltration membranes was further purified using gel filtration chromatography and two steps of reverse-phase high-performance liquid chromatography...
June 1, 2013: Food Chemistry
https://www.readbyqxmd.com/read/23187530/singularities-of-interference-of-three-waves-with-different-polarization-states
#18
COMPARATIVE STUDY
Piotr Kurzynowski, Władysław A Woźniak, Marzena Zdunek, Monika Borwińska
We presented the interference setup which can produce interesting two-dimensional patterns in polarization state of the resulting light wave emerging from the setup. The main element of our setup is the Wollaston prism which gives two plane, linearly polarized waves (eigenwaves of both Wollaston's wedges) with linearly changed phase difference between them (along the x-axis). The third wave coming from the second arm of proposed polarization interferometer is linearly or circularly polarized with linearly changed phase difference along the y-axis...
November 19, 2012: Optics Express
https://www.readbyqxmd.com/read/23074533/management-of-chronic-pressure-ulcers-an-evidence-based-analysis
#19
(no author information available yet)
UNLABELLED: In April 2008, the Medical Advisory Secretariat began an evidence-based review of the literature concerning pressure ulcers.Please visit the Medical Advisory Secretariat Web site, http://www.health.gov.on.ca/english/providers/program/mas/tech/tech_mn.html to review these titles that are currently available within the Pressure Ulcers series.PRESSURE ULCER PREVENTION: an evidence based analysisThe cost-effectiveness of prevention strategies for pressure ulcers in long-term care homes in Ontario: projections of the Ontario Pressure Ulcer Model (field evaluation)MANAGEMENT OF CHRONIC PRESSURE ULCERS: an evidence-based analysis OBJECTIVE: The Medical Advisory Secretariat (MAS) conducted a systematic review on interventions used to treat pressure ulcers in order to answer the following questions: Do currently available interventions for the treatment of pressure ulcers increase the healing rate of pressure ulcers compared with standard care, a placebo, or other similar interventions?Within each category of intervention, which one is most effective in promoting the healing of existing pressure ulcers? BACKGROUND: A pressure ulcer is a localized injury to the skin and/or underlying tissue usually over a bony prominence, as a result of pressure, or pressure in conjunction with shear and/or friction...
2009: Ontario Health Technology Assessment Series
https://www.readbyqxmd.com/read/23063368/distinct-mechanisms-of-membrane-permeation-induced-by-two-polymalic-acid-copolymers
#20
Hui Ding, Jose Portilla-Arias, Rameshwar Patil, Keith L Black, Julia Y Ljubimova, Eggehard Holler
Anionic polymers are valuable components used in cosmetics and health sciences, especially in drug delivery, because of their chemical versatility and low toxicity. However, because of their highly negative charge they pose problems for penetration through hydrophobic barriers such as membranes. We have engineered anionic polymalic acid (PMLA) to penetrate biological membranes. PMLA copolymers of leucine ethyl ester (P/LOEt) or trileucine (P/LLL) show either pH-independent or pH-dependent activity for membrane penetration...
January 2013: Biomaterials
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