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https://www.readbyqxmd.com/read/28102830/can-exhaled-volatile-organic-compounds-predict-asthma-exacerbations-in-children
#1
Dillys van Vliet, Agnieszka Smolinska, Quirijn Jöbsis, Jean Muris, Philippe Rosias, Jan Dallinga, Edward Dompeling, Frederik van Schooten
Background Asthma control falls short of current goals of asthma management guidelines. Non-invasive monitoring of airway inflammation may help to improve the level of asthma control in children. Aim 1) To identify a set of exhaled volatile organic compounds (VOCs) that is most predictive for an asthma exacerbation in children. 2) To determine the chemical background of predictive VOCs. Methods In an one-year prospective observational study, 96 asthmatic children were studied . At clinical visits with an interval of 2 months, asthma control, fractional exhaled nitric oxide, lung function (FEV1, FEV1/VC) and VOCs in exhaled breath were determined by means of gas chromatography time-of-flight mass spectrometry...
January 19, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28102546/ataluren-and-similar-compounds-specific-therapies-for-premature-termination-codon-class-i-mutations-for-cystic-fibrosis
#2
REVIEW
Aisha A Aslam, Colin Higgins, Ian P Sinha, Kevin W Southern
BACKGROUND: Cystic fibrosis is a common life-shortening genetic disorder in the Caucasian population (less common in other ethnic groups) caused by the mutation of a single gene that codes for the production of the cystic fibrosis transmembrane conductance regulator protein. This protein coordinates the transport of salt (and bicarbonate) across cell surfaces and the mutation most notably affects the airways. In the lungs of people with cystic fibrosis, defective protein results in a dehydrated surface liquid and compromised mucociliary clearance...
January 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28098761/pancreatic-neuroendocrine-neoplasms-basic-biology-current-treatment-strategies-and-prospects-for-the-future
#3
REVIEW
Akihiro Ohmoto, Hirofumi Rokutan, Shinichi Yachida
Pancreatic neuroendocrine neoplasms (pNENs) are rare tumors accounting for only 1%-2% of all pancreatic tumors. pNENs are pathologically heterogeneous and are categorized into three groups (neuroendocrine tumor: NET G1, NET G2; and neuroendocrine carcinoma: NEC) on the basis of the Ki-67 proliferation index and the mitotic count according to the 2010 World Health Organization (WHO) classification of gastroenteropancreatic NENs. NEC in this classification includes both histologically well-differentiated and poorly differentiated subtypes, and modification of the WHO 2010 classification is under discussion based on genetic and clinical data...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28096714/evolving-cancer-classification-in-the-era-of-personalized-medicine-a-primer-for-radiologists
#4
REVIEW
Ailbhe C O'Neill, Jyothi P Jagannathan, Nikhil H Ramaiya
Traditionally tumors were classified based on anatomic location but now specific genetic mutations in cancers are leading to treatment of tumors with molecular targeted therapies. This has led to a paradigm shift in the classification and treatment of cancer. Tumors treated with molecular targeted therapies often show morphological changes rather than change in size and are associated with class specific and drug specific toxicities, different from those encountered with conventional chemotherapeutic agents...
January 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28095872/an-unusual-combined-thymic-carcinoma-composed-of-squamous-cell-carcinoma-and-type-ab-thymoma-a-rare-case-report
#5
Yufeng Jiang, Yang Liu, Xiuying Shi, Xiaoyun Mao, Yang Zhao, Chuifeng Fan
BACKGROUND: Combined thymic carcinoma is a malignant neoplasm of the thymus recently added to the 4th edition of the World Health Organization (WHO) classification of tumors of the lung, pleura, thymus and heart. It involves at least one type of thymic carcinoma and another thymic epithelial tumor. The previously used term "combined thymic epithelial tumor" has been abandoned. CASE PRESENTATION: Here, we present an unusual case of combined thymic carcinoma of the thymus in a 44-year-old male who had suffered from fever, chest pain, chest tightness and shortness of breath...
January 17, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28087913/-cigarette-smoking-in-different-manners-induces-acute-lung-injury-in-rats
#6
Weiqiang Xiao, Guojun Zhou, Chengyun Xu, Jian Xu, Fangfang Huang, Xinbo Lu, Xia Li, Ximei Wu
Objective: To investigate the effects of cigarette smoking in different manners on acute lung injury in rats. Methods: The commercially available cigarettes with tar of 1,5, 11 mg were smoked in Canada depth smoking (health canada method, HCM) manner, and those with tar of 11 mg were also smoked in international standard (ISO) smoking manner. Rats were fixed and exposed to mainstream in a manner of nose-mouth exposure. After 28 days, the bronchoalveolar lavage fluids from left lung were collected for counting and classification of inflammatory cells and determination of pro-inflammatory cytokines IL-1β and TNF-α...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28087725/neurodevelopmental-outcomes-of-extremely-low-birthweight-infants-randomised-to-different-pco2-targets-the-phelbi-follow-up-study
#7
Ulrich H Thome, Orsolya Genzel-Boroviczeny, Bettina Bohnhorst, Manuel Schmid, Hans Fuchs, Oliver Rohde, Stefan Avenarius, Hans-Georg Topf, Andrea Zimmermann, Dirk Faas, Katharina Timme, Barbara Kleinlein, Horst Buxmann, Wilfried Schenk, Hugo Segerer, Norbert Teig, Annett Bläser, Roland Hentschel, Matthias Heckmann, Rolf Schlösser, Jochen Peters, Rainer Rossi, Wolfgang Rascher, Ralf Böttger, Jürgen Seidenberg, Gesine Hansen, Maria Zernickel, Harald Bode, Jens Dreyhaupt, Rainer Muche, Helmut D Hummler
BACKGROUND: Tolerating higher partial pressures of carbon dioxide (PCO2) in mechanically ventilated extremely low birthweight infants to reduce ventilator-induced lung injury may have long-term neurodevelopmental side effects. This study analyses the results of neurodevelopmental follow-up of infants enrolled in a randomised multicentre trial. METHODS: Infants (n=359) between 400 and 1000 g birth weight and 23 0/7-28 6/7 weeks gestational age who required endotracheal intubation and mechanical ventilation within 24 hours of birth were randomly assigned to high PCO2 or to a control group with mildly elevated PCO2 targets...
January 13, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28086989/correlation-between-the-ki-67-proliferation-index-and-response-to-radiation-therapy-in-small-cell-lung-cancer
#8
Naoya Ishibashi, Toshiya Maebayashi, Takuya Aizawa, Masakuni Sakaguchi, Haruna Nishimaki, Shinobu Masuda
BACKGROUND: In the breast cancer, the decision whether to administer adjuvant therapy is increasingly influenced by the Ki-67 proliferation index. In the present retrospective study, we investigated if this index could predict the therapeutic response to radiation therapy in small cell lung cancer (SCLC). METHODS: Data from 19 SCLC patients who received thoracic radiation therapy were included. Clinical staging was assessed using the TNM classification system (UICC, 2009; cstage IIA/IIB/IIIA/IIIB = 3/1/7/8)...
January 13, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28074713/pathogens-patterns-of-pneumonia-and-epidemiologic-risk-factors-associated-with-respiratory-disease-in-recently-weaned-cattle-in-ireland
#9
Gerard M Murray, Simon J More, Dónal Sammin, Mìcheàl J Casey, Máire C McElroy, Rónan G O'Neill, William J Byrne, Bernadette Earley, Tracy A Clegg, Hywel Ball, Colin J Bell, Joseph P Cassidy
We examined the pathogens, morphologic patterns, and risk factors associated with bovine respiratory disease (BRD) in 136 recently weaned cattle ("weanlings"), 6-12 mo of age, that were submitted for postmortem examination to regional veterinary laboratories in Ireland. A standardized sampling protocol included routine microbiologic investigations as well as polymerase chain reaction and immunohistochemistry. Lungs with histologic lesions were categorized into 1 of 5 morphologic patterns of pneumonia. Fibrinosuppurative bronchopneumonia (49%) and interstitial pneumonia (48%) were the morphologic patterns recorded most frequently...
January 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28072970/-histologic-classification-and-prognosis-factors-in-phyllodes-tumors-of-breast
#10
C Jia, F Mei, J Y Liu, H M Zhao, Y T Lei, J Su, S S Huang, J Zheng, J F You
Objective: To study the relationship between morphological characteristics, grading, diagnosis and prognosis in phyllodes tumors (PT) of the breast. Methods: A retrospective study was carried out on 83 PTs diagnosed between 1999 and 2003 that were classified semi-quantitatively according to the WHO recommendation. Follow-up data was available for some cases, and Cox regression analysis was used to evaluate factors affecting metastasis and recurrence. Results: All cases were classified into the benign (57.8%), borderline (28...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28072571/a-geometric-atlas-to-predict-lung-tumor-shrinkage-for-radiotherapy-treatment-planning
#11
Pengpeng Zhang, Andreas Rimner, Ellen Yorke, Yu-Chi Hu, Licheng Kuo, Aditya Apte, Natalie Lockney, Andrew Jackson, Gig Mageras, Joseph O Deasy
To develop a geometric atlas that can predict tumor shrinkage and guide treatment planning for non-small-cell lung cancer. To evaluate the impact of the shrinkage atlas on the ability of tumor dose escalation. The creation of a geometric atlas included twelve patients with lung cancer who underwent both planning CT and weekly CBCT for radiotherapy planning and delivery. The shrinkage pattern from the original pretreatment to the residual posttreatment tumor was modeled using a principal component analysis, and used for predicting the spatial distribution of the residual tumor...
January 10, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28063071/interstitial-lung-disease-in-systemic-sclerosis-current-and-future-treatment
#12
REVIEW
Roberto Giacomelli, Vasiliki Liakouli, Onorina Berardicurti, Piero Ruscitti, Paola Di Benedetto, Francesco Carubbi, Giuliana Guggino, Salvatore Di Bartolomeo, Francesco Ciccia, Giovanni Triolo, Paola Cipriani
Systemic sclerosis (SSc) has the highest fatality rate among connective tissue diseases and is characterized by vascular damage, inflammation and fibrosis of the skin and various internal organs. Interstitial lung disease (ILD) frequently complicates SSc and can be a debilitating disorder with a poor prognosis. ILD is the most frequent cause of death in SSc, and the management of SSc-ILD patients is a great challenge. Early detection of pulmonary involvement based on a recent decline of lung function tests and on the extent of lung involvement at high-resolution computed tomography is critical for the best management of these patients...
January 6, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28061019/metabolic-phenotyping-of-human-plasma-by-1-h-nmr-at-high-and-medium-magnetic-field-strengths-a-case-study-for-lung-cancer
#13
Louis Evelyne, Francois-Xavier Cantrelle, Liesbet Mesotten, Gunter Reekmans, Liene Bervoets, Karolien Vanhove, Michiel Thomeer, Guy Lippens, Peter Adriaensens
Accurate identification and quantification of human plasma metabolites can be challenging in crowded regions of the NMR spectrum with severe signal overlap. Therefore, this study describes metabolite spiking experiments on the basis of which the NMR spectrum can be rationally segmented into well-defined integration regions, and this for spectrometers having magnetic field strengths corresponding to (1) H resonance frequencies of 400 MHz and 900 MHz. Subsequently, the integration data of a case-control dataset of 69 lung cancer patients and 74 controls were used to train a multivariate statistical classification model for both field strengths...
January 6, 2017: Magnetic Resonance in Chemistry: MRC
https://www.readbyqxmd.com/read/28058230/outcomes-in-randomized-controlled-trials-of-exercise-interventions-in-solid-organ-transplant
#14
Tania Janaudis-Ferreira, Sunita Mathur, Stacey Konidis, Catherine M Tansey, Cecile Beaurepaire
AIM: To identify the outcome measures that have been used in randomized controlled trials (RCTs) of exercise training in solid organ transplant (SOT) recipients and to link these outcomes to the International Classification of Functioning, Disability and Health (ICF) framework. METHODS: Electronic literature searches of MEDLINE, EMBASE, CINAHL, Cochrane, Scopus, and Web of Science were performed. We sought RCTs that investigated the effect of exercise training in SOT recipients...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28057354/neuroendrocrine-tumors-of-the-uterine-cervix-a-therapeutic-challenge-for-gynecologic-oncologists
#15
REVIEW
Gadducci Angiolo, Carinelli Silvestro, Aletti Giovanni
Neuroendocrine tumors (NETs) are aggressive diseases developing from neuroendocrine cells that most frequently involve the gastro-entero-pancreatic tract and the lung, but more rarely are found in almost all body tissues. Limited biological and clinical data are currently available for NETs in uncommon sites, such as female genital tract. NETs represent 0.9% to 1.5% of the tumors of the uterine cervix. They are more likely to have lymph-vascular space invasion and lymph node involvement, and to develop local and distant relapses when compared with the mostly common cervical squamous cell carcinomas or adenocarcinomas...
January 2, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28056830/development-of-aspergillosis-in-a-cohort-of-non-neutropenic-non-transplant-patients-colonised-by-aspergillus-spp
#16
José Barberán, Francisco-Javier García-Pérez, Victoria Villena, Alberto Fernández-Villar, Eduardo Malmierca, Cristina Salas, María-José Giménez, Juan-José Granizo, Lorenzo Aguilar
BACKGROUND: A previous study explored factors discriminating colonization and true infection among non-transplant, non-neutropenic patients with repeated Aspergillus spp. isolation from lower respiratory samples. The present study explored the evolution of patients with Aspergillus colonization in that study to determine the percentage of cases progressing to aspergillosis and time to development. METHODS: Clinical records were retrospectively reviewed (for each patient from his end date in the past study) and data from all respiratory processes suffered by patients up to April 2015 were recorded...
January 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28056255/-the-precision-surgical-treatment-strategies-of-lung-adenocarcinoma-under-the-guidance-of-the-who-new-classification
#17
F Yang, H Li, J Wang
The 2015 WHO Classification of Tumors of the Lung, Pleura, Thymus and Heart has just been published recently. In this newly classification, WHO almost completely accepted the International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society International Multidisciplinary Classification of Lung Adenocarcinoma. A lot of high-quality studies in the past five years have demonstrated important guiding significance of the newly classification in surgical treatment of adenocarcinoma...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28048692/mo-fg-207b-01-thorax-lung
#18
H Aerts
State-of-the-Art in Radiomics in Radiology and Radiation Oncology Radiomics is the science of converting medical images into mineable data, data that are descriptive of "phenotypes," which may provide diagnostic, prognostic, or therapeutic information. Genomics is the science of sequencing and analyzing the function and structure of genomes; the complete set of DNA in a single cell of an organism. In turn, imaging genomics (or radiogenomics) is concerned with the correlation between image-based features, as determined by radiomics, and gene expression, as determined by genomics...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048663/tu-fg-207a-05-winners-1-2-3-and-q-a
#19
C McCollough
: Peer-reviewed journals and conference proceedings publish hundreds of papers that describe new medical imaging algorithms, including, for example, techniques for computer-aided diagnosis or characterization, segmentation, image registration, image reconstruction, and radiomics. It is difficult, if not impossible, to fairly compare the performance of these algorithms as investigators must either use different data sets, or if using the same data, use different implementations of competing algorithms...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048651/tu-fg-207a-03-overview-of-ct-reconstruction-and-denoising-strategies
#20
N Pelc
: Peer-reviewed journals and conference proceedings publish hundreds of papers that describe new medical imaging algorithms, including, for example, techniques for computer-aided diagnosis or characterization, segmentation, image registration, image reconstruction, and radiomics. It is difficult, if not impossible, to fairly compare the performance of these algorithms as investigators must either use different data sets, or if using the same data, use different implementations of competing algorithms...
June 2016: Medical Physics
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