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Michael Buchfelder, Sven-Martin Schlaffer
PURPOSE: Surgical extraction of as much tumour mass as possible is considered the first step of treatment in acromegaly in many centers. In this article the potential benefits, disadvantages and limitations of operative acromegaly treatment are reviewed. METHODS: Pertinent literature was selected to provide a review covering current indications, techniques and results of operations for acromegaly. RESULTS: The rapid reduction of tumour volume is an asset of surgery...
October 21, 2016: Pituitary
E Laird, T Shannon, V E F Crowley, M Healy
CONTEXT: There have been few published reports of visualising vitamin D status at a micro level, i.e., within large individual urban centres of countries. OBJECTIVE: To produce a visual map of the vitamin D status [25-hydroxy vitamin D-25(OH)D] of a large urban centre (n > 350,000) incorporating the regions of Dublin city that constitute the general practitioner catchment area of a large academic teaching adult hospital. DESIGN, SETTING AND PARTICIPANTS: An observational investigation of 5287 free living Irish adults (>18 years)...
October 21, 2016: Irish Journal of Medical Science
Yuyan Shi, John P Pierce, Martha White, Maya Vijayaraghavan, Wilson Compton, Kevin Conway, Anne M Hartman, Karen Messer
BACKGROUND: Electronic cigarettes (e-cigarettes) are heavily marketed and widely perceived as helpful for quitting or reducing smoking intensity. We test whether ever-use of e-cigarettes among early adopters was associated with: 1) increased cigarette smoking cessation; and 2) reduced cigarette consumption. METHODS: A representative cohort of U.S. smokers (N = 2454) from the 2010 Tobacco Use Supplement to the Current Population Survey (TUS-CPS) was re-interviewed 1 year later...
October 21, 2016: BMC Public Health
Zachary Tanner, Nathan Lachowsky, Erin Ding, Hasina Samji, Mark Hull, Angela Cescon, Sophie Patterson, Jason Chia, Alia Leslie, Janet Raboud, Mona Loutfy, Curtis Cooper, Marina Klein, Nima Machouf, Christos Tsoukas, Julio Montaner, Robert S Hogg
BACKGROUND: Gay, bisexual and other men who have sex with men (MSM) are disproportionately affected by HIV in Canada. Combination antiretroviral therapy has been shown to dramatically decrease progression to AIDS, premature death and HIV transmission. However, there are no comprehensive data regarding combination antiretroviral therapy outcomes among this population. We sought to identify socio-demographic and clinical correlates of viral suppression and rebound. METHODS: Our analysis included MSM participants in the Canadian Observational Cohort, a multi-site cohort of HIV-positive adults from Canada's three most populous provinces, aged ≥18 years who first initiated combination antiretroviral therapy between 2000 and 2011...
October 21, 2016: BMC Infectious Diseases
Kathryn Schnippel, Rebecca H Berhanu, Andrew Black, Cynthia Firnhaber, Norah Maitisa, Denise Evans, Edina Sinanovic
BACKGROUND: According to the World Health Organization, South Africa ranks as one of the highest burden of TB, TB/HIV co-infection, and drug-resistant TB (DR-TB) countries. DR-TB treatment is complicated to administer and relies on the use of multiple toxic drugs, with potential for severe adverse drug reactions. We report the occurrence of adverse events (AEs) during a standardised DR-TB treatment regimen at two outpatient, decentralized, public-sector sites in Johannesburg, South Africa...
October 21, 2016: BMC Infectious Diseases
Matthew D Hale, Matthew Nankivell, Gordon G Hutchins, Sally P Stenning, Ruth E Langley, Wolfram Mueller, Nicholas P West, Alexander I Wright, Darren Treanor, Lindsay C Hewitt, William H Allum, David Cunningham, Jeremy D Hayden, Heike I Grabsch
BACKGROUND: Neoadjuvant chemotherapy followed by surgery is the standard of care for UK patients with locally advanced resectable oesophageal carcinoma (OeC). However, not all patients benefit from multimodal treatment and there is a clinical need for biomarkers which can identify chemotherapy responders. This study investigated whether the proportion of tumour cells per tumour area (PoT) measured in the pre-treatment biopsy predicts chemotherapy benefit for OeC patients. PATIENTS AND METHODS: PoT was quantified using digitized haematoxylin/eosin stained pre-treatment biopsy slides from 281 OeC patients from the UK MRC OE02 trial (141 treated by surgery alone (S); 140 treated by 5-fluorouracil/cisplatin followed by surgery (CS))...
October 18, 2016: Oncotarget
Tânia Nobre, Manuela Oliveira, Birgit Arnholdt-Schmitt
By definition, the domestication process leads to an overall reduction of crop genetic diversity. This lead to the current search of genomic regions in wild crop relatives (CWR), an important task for modern carrot breeding. Nowadays massive sequencing possibilities can allow for discovery of novel genetic resources in wild populations, but this quest could be aided by the use of a surrogate gene (to first identify and prioritize novel wild populations for increased sequencing effort). Alternative oxidase (AOX) gene family seems to be linked to all kinds of abiotic and biotic stress reactions in various organisms and thus have the potential to be used in the identification of CWR hotspots of environment-adapted diversity...
2016: PloS One
Diane Gu, Yurong Mao, Zhenzhu Tang, Julio Montaner, Zhiyong Shen, Qiuying Zhu, Roger Detels, Xia Jin, Ran Xiong, Juan Xu, Walter Ling, Lynda Erinoff, Robert Lindblad, David Liu, Paul Van Veldhuisen, Albert Hasson, Zunyou Wu
BACKGROUND: Patients who are newly screened HIV positive by EIA are lost to follow-up due to complicated HIV testing procedures. Because this is the first step in care, it affects the entire continuum of care. This is a particular concern in rural China. OBJECTIVE(S): To assess the routine HIV testing completeness and treatment initiation rates at 18 county-level general hospitals in rural Guangxi. METHODS: We reviewed original hospital HIV screening records...
2016: PloS One
David Maidment, William Brassington, Heather Wharrad, Melanie Ferguson
Purpose: The purpose of the study was to assess whether Internet competency predicted practical hearing aid knowledge and handling skills in first-time hearing aid users. Method: The design was a prospective, randomized controlled trial of a multimedia educational intervention consisting of interactive video tutorials (or reusable learning objects [RLOs]). RLOs were delivered through DVD for TV or PC, and online. Internet competency was measured at the hearing aid fitting appointment, whereas hearing aid knowledge and practical handling skills were assessed 6 weeks postfitting...
October 1, 2016: American Journal of Audiology
Marisol Sánchez-García, P Brandon Matheny
Although fungi are one of the most diverse groups of organisms, little is known about the processes that shape their high taxonomic diversity. This study focuses on evolution of ectomycorrhizal (ECM) mushroom-forming fungi, symbiotic associates of many trees and shrubs, in the suborder Tricholomatineae of the Agaricales. We used the BiSSE model and BAMM to test the hypothesis that the ECM habit represents an evolutionary key innovation that allowed the colonization of new niches followed by an increase in diversification rate...
October 21, 2016: Evolution; International Journal of Organic Evolution
Hidenori Katsumi, Masaki Tominaga, Morihiro Tajiri, Shigeki Shimizu, Yuki Sakazaki, Takashi Kinoshita, Masaki Okamoto, Tomotaka Kawayama, Tomoaki Hoshino
A 66-year-old woman was referred to our hospital for investigation of interstitial lung disease. She had spent most of her time in a shrine, and had always been exposed to vaporized paraffin from burning candles. Chest High-resolution computed tomography (HRCT)showed ground-glass attenuation with thickening of septal lines, wh create the so-called "crazy-paving appearance". Although bronchoalveolar lavage(BAL) and transbronchial biopsy were performed to aid in diagnosis, the findings did not reveal any conclusive information...
2016: Respiratory Medicine Case Reports
Ana Gabriela Travassos, Eveline Xavier Pereira de Souza, Eduardo Netto, Eda Vinhaes Dantas, Maiara Timbó, Isabella Nóbrega, Tatiana Haguihara, Júlia Maria de Oliveira Neumeyer, Nathalia Araújo Lisboa, Maria Angela Soidan, Fábio Ferreira, Carlos Brites
BACKGROUND: Infections caused by Chlamydia trachomatis and Neisseria gonorrhoeae are the most common bacterial sexually transmitted infections throughout the world. These sexually transmitted infections are a growing problem in people living with HIV/AIDS. However, the presence of these agents in extra genital sites, remains poorly studied in our country. The objective of this study was to estimate the prevalence of Chlamydia trachomatis and Neisseria gonorrhoeae anal and genital infection in people living with HIV/AIDS followed in a reference center in Salvador, Brazil...
October 17, 2016: Brazilian Journal of Infectious Diseases
Lawrence C Ku, Huali Wu, Rachel G Greenberg, Kevin D Hill, Daniel Gonzalez, Christoph P Hornik, Alysha Berezny, Jeffrey T Guptill, Wenlei Jiang, Nan Zheng, Michael Cohen-Wolkowiez, Chiara Melloni
BACKGROUND: Defining a drug's therapeutic index (TI) is important for patient safety and regulating the development of generic drugs. For many drugs, the TI is unknown. A systematic approach was developed to characterize the TI of a drug using therapeutic drug monitoring and electronic health record (EHR) data with pharmacokinetic (PK) modeling. This approach was first tested on phenytoin, which has a known TI, and then applied to lamotrigine, which lacks a defined TI. METHODS: Retrospective EHR data from patients in a tertiary hospital were used to develop phenytoin and lamotrigine population PK models and to identify adverse events (anemia, thrombocytopenia, and leukopenia) and efficacy outcomes (seizure-free)...
October 19, 2016: Therapeutic Drug Monitoring
David S Freedman, Joseph B Schroeder, Gregory I Telian, Zhengyang Zhang, Smrithi Sunil, Jason T Ritt
OBJECTIVE: Behavioral neuroscience studies in freely moving rodents require small, light-weight implants to facilitate neural recording and stimulation. Our goal was to develop an integrated package of 3D printed parts and assembly aids for labs to rapidly fabricate, with minimal training, an implant that combines individually positionable microelectrodes, an optical fiber, zero insertion force (ZIF-clip) headstage connection, and secondary recording electrodes, e.g. for electromyography (EMG)...
October 20, 2016: Journal of Neural Engineering
O M Kandil, K A Abdelrahman, H A Fahmy, M S Mahmoud, A H El Namaky, J E Miller
Haemonchus contortus is a major parasite of small ruminants and its blood-feeding behaviour causes effects ranging from mild anaemia to death. Knowledge of the genetic variation within and among H. contortus populations can provide the foundation for understanding transmission patterns and aid in the control of haemonchosis. Adult male H. contortus were collected from three geographical regions in Egypt. The second internal transcribed spacer (ITS2) of nuclear ribosomal DNA was amplified using the polymerase chain reaction (PCR) and sequenced directly...
October 20, 2016: Journal of Helminthology
Prerna K Chawla, Zarir F Udwadia, Rajeev Soman, Ashok A Mahashur, Rohit A Amale, Alpa J Dherai, Rohan V Lokhande, Prasad R Naik, Tester F Ashavaid
Therapeutic Drug Monitoring (TDM) is a routinely practised clinical laboratory technique which aids the clinicians with a clear clinical judgement of the drug therapy and optimize the doses if necessary. Rifampicin is the most important and potent component of first line therapy of tuberculosis (TB). Several factors like age, weight, gender, doses and formulations, gastro-intestinal disorders, ethnicity etc alter the absorption and bioavailability of rifampicin thus altering the drug levels. Low plasma levels of rifampicin may play a plausible role in slow response to therapy, treatment failure or relapse or acquired drug resistance...
August 2016: Journal of the Association of Physicians of India
Adam P Rofe, Luther J Davis, Jean L Whittingham, Elizabeth C Latimer-Bowman, Anthony J Wilkinson, Paul R Pryor
Rhodococcus equi (R. equi) is an important pulmonary pathogen in foals that often leads to the death of the horse. The bacterium harbors a virulence plasmid that encodes numerous virulence-associated proteins (Vaps) including VapA that is essential for intracellular survival inside macrophages. However, little is known about the precise function of VapA. Here, we demonstrate that VapA causes perturbation to late endocytic organelles with swollen endolysosome organelles having reduced Cathepsin B activity and an accumulation of LBPA, LC3 and Rab7...
October 19, 2016: MicrobiologyOpen
Nhu Nguyen, Else C Vellinga, Thomas D Bruns, Peter Kennedy
The genus Suillus represents one of the most recognizable groups of mushrooms in conifer forests throughout the Northern Hemisphere. Although for decades the genus has been relatively well defined morphologically, previous molecular phylogenetic assessments have provided important yet preliminary insights into its evolutionary history. Here we present the first large-scale phylogenetic study of the boundaries of each species in the genus Suillus based on the most current internal transcribed spacer (ITS) barcode sequences available in public databases, as well as sequencing of 224 vouchered specimens and cultures, 15 of which were type specimens from North America...
October 19, 2016: Mycologia
Gianluca Lista, Silvia Bianchi, Savina Mannarino, Federico Schena, Francesca Castoldi, Mauro Stronati, Fabio Mosca
OBJECTIVE: Early diagnosis of significant patent ductus arteriosus reduces the risk of clinical worsening in very low birth weight infants. Echocardiographic patent ductus arteriosus shunt flow pattern can be used to predict significant patent ductus arteriosus. Pulmonary venous flow, expressed as vein velocity time integral, is correlated to ductus arteriosus closure. The aim of this study is to investigate the relationship between significant reductions in vein velocity time integral and non-significant patent ductus arteriosus in the first week of life...
October 1, 2016: Clinics
J D Burgess, C M Cameron, L Cuttle, Z Tyack, R M Kimble
OBJECTIVE: With the popularity of the Internet as a primary source of health-related information, the aim of this website content analysis was to assess the accuracy and quality of burn first aid information available on the Internet. METHODS: Using the search term 'burn first aid' in four popular search engines, the first 10 websites from each search engine were recorded. From a total of 40 websites recorded, 14 websites were evaluated after removing duplicates...
October 15, 2016: Burns: Journal of the International Society for Burn Injuries
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