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https://www.readbyqxmd.com/read/28073668/drug-eluting-stenting-for-femoropopliteal-lesions-followed-by-cilostazol-treatment-reduces-stent-restenosis-in-patients-with-symptomatic-peripheral-artery-disease
#1
Kan Zen, Mitsuyoshi Takahara, Osamu Iida, Yoshimitsu Soga, Daizo Kawasaki, Shinsuke Nanto, Hiroyoshi Yokoi, Satoaki Matoba
BACKGROUND: Cilostazol improves clinical endovascular therapy outcomes for femoropopliteal (FP) lesions in patients with symptomatic peripheral arterial disease, but whether it also has clinical benefits for patients after drug-eluting stent implantation remains unclear. METHODS: This study is a subanalysis of the ZilvEr PTX for tHe Femoral ArterY and Proximal Popliteal ArteRy (ZEPHYR) study, a prospective multicenter study investigating FP lesions treated with the Zilver (Cook Medical, Bloomington, Ind) paclitaxel-eluting stent...
January 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28060412/optimizing-dual-energy-x-ray-parameters-for-the-exactrac-clinical-stereoscopic-imaging-system-to-enhance-soft-tissue-imaging
#2
Wesley A Bowman, James L Robar, Mike Sattarivand
PURPOSE: Stereoscopic x-ray image guided radiotherapy for lung tumors is often hindered by bone overlap and limited soft tissue contrast. This study aims to evaluate the feasibility of dual-energy imaging techniques and to optimize parameters of the ExacTrac stereoscopic imaging system to enhance soft tissue imaging for application to lung stereotactic body radiation therapy. METHODS: Simulated spectra and a physical lung phantom were used to optimize filter material, thickness, tube potentials, and weighting factors to obtain bone subtracted dual-energy images...
January 6, 2017: Medical Physics
https://www.readbyqxmd.com/read/28048626/su-f-t-212-a-comparison-of-treatment-strategies-for-intracranial-stereotactic-radiosurgery
#3
T Lamberton, J Slater, A Wroe
PURPOSE: Stereotactic radiosurgery is an effective and noninvasive treatment for intracranial lesions that uses highly focused radiation beams in a single treatment fraction. The purpose of this study is to investigate the dosimetric differences between the treatment brain metastasis with a proton beam vs. intensity modulated radiation therapy (IMRT). METHODS: Ten separate brain metastasis targets where chosen and treatment plans were created for each, using three different strategies: custom proton beam shaping devices, standardized proton beam shaping devices, and IMRT...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046319/we-h-bra-09-application-of-a-modified-microdosimetric-kinetic-model-to-analyze-relative-biological-effectiveness-of-ions-relevant-to-light-ion-therapy-using-the-particle-heavy-ion-transport-system
#4
M Butkus, T Palmer
PURPOSE: To evaluate the dose and biological effectiveness of various ions that could potentially be used for actively scanned particle therapy. METHODS: The PHITS Monte Carlo code paired with a microscopic analytical function was used to determine probability distribution functions of the lineal energy in 0.3µm diameter spheres throughout a water phantom. Twenty million primary particles for 1H beams and ten million particles for 4He, 7Li, 10B, 12C, 14N, 16O, and 20Ne were simulated for 0...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28042355/effects-of-the-addition-of-acarbose-to-insulin-and-non-insulin-regimens-in-veterans-with-type-2-diabetes-mellitus
#5
Sara A Wettergreen, Shaila Sheth, Janeca Malveaux
OBJECTIVES: The primary objective of the study was to assess the mean change in hemoglobin A1c (HbA1c) when acarbose was added to insulin and non-insulin regimens in patients with type 2 diabetes mellitus (T2DM). Secondary objectives were to evaluate the discontinuation rate of acarbose, and to assess the number of patients who were placed on insulin despite the addition of acarbose. METHODS: A retrospective chart review was conducted on veterans with T2DM initiated on acarbose between October 1, 2013 and December 31, 2013...
October 2016: Pharmacy Practice
https://www.readbyqxmd.com/read/28013413/selective-persistence-of-propionibacterium-species-fma5-following-sealing-of-infected-dentinal-matrix
#6
M A Nadkarni, K Angner, N Hunter
The objective of the present study was to test the hypothesis that nutrient deprivation by effective isolation should inactivate causative saccharolytic bacteria occupying carious lesions. Vital maxillary third molar teeth were prepared by removing only the superficial necrotic material, leaving behind infected dentinal matrix, before the cavity was sealed with glass ionomer cement (GIC). Before sealing, lesions were biopsied to provide reference bacterial DNA for microbial analysis. After an interval of 10-12 months, the teeth were extracted and, after careful removal of GIC restoration, the underlying dentine was biopsied again for post-treatment microbial analysis...
December 24, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28007839/predictability-of-genetic-interactions-from-functional-gene-modules
#7
Jonathan H Young, Edward M Marcotte
Characterizing genetic interactions is crucial to understanding cellular and organismal response to gene-level perturbations. Such knowledge can inform the selection of candidate disease therapy targets. Yet experimentally determining whether genes interact is technically non-trivial and time-consuming. High-fidelity prediction of different classes of genetic interactions in multiple organisms would substantially alleviate this experimental burden. Under the hypothesis that functionally-related genes tend to share common genetic interaction partners, we evaluate a computational approach to predict genetic interactions in Homo sapiens, Drosophila melanogaster, and Saccharomyces cerevisiae By leveraging knowledge of functional relationships between genes, we cross-validate predictions on known genetic interactions and observe high-predictive power of multiple classes of genetic interactions in all three organisms...
December 22, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28000772/improved-detection-of-circulating-tumor-cells-in-non-metastatic-high-risk-prostate-cancer-patients
#8
Andra Kuske, Tobias M Gorges, Pierre Tennstedt, Anne-Kathrin Tiebel, Raisa Pompe, Felix Preißer, Sandra Prues, Martine Mazel, Athina Markou, Evi Lianidou, Sven Peine, Catherine Alix-Panabières, Sabine Riethdorf, Burkhard Beyer, Thorsten Schlomm, Klaus Pantel
The relevance of blood-based assays to monitor minimal residual disease (MRD) in non-metastatic prostate cancer (PCa) remains unclear. Proving that clinically relevant circulating tumor cells (CTCs) can be detected with available technologies could address this. This study aimed to improve CTC detection in non-metastatic PCa patients by combining three independent CTC assays: the CellSearch system, an in vivo CellCollector and the EPISPOT. Peripheral blood samples from high-risk PCa patients were screened for CTCs before and three months after radical prostatectomy (RP)...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27979445/highly-efficient-training-refinement-and-validation-of-a-knowledge-based-planning-quality-control-system-for-radiation-therapy-clinical-trials
#9
Nan Li, Ruben Carmona, Igor Sirak, Linda Kasaova, David Followill, Jeff Michalski, Walter Bosch, William Straube, Loren K Mell, Kevin L Moore
PURPOSE: To demonstrate an efficient method for training and validation of a knowledge-based planning (KBP) system as a radiation therapy clinical trial plan quality-control system. METHODS AND MATERIALS: We analyzed 86 patients with stage IB through IVA cervical cancer treated with intensity modulated radiation therapy at 2 institutions according to the standards of the INTERTECC (International Evaluation of Radiotherapy Technology Effectiveness in Cervical Cancer, National Clinical Trials Network identifier: 01554397) protocol...
January 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27915204/powerpiinc-preoperative-window-of-endocrine-therapy-provides-information-to-increase-compliance-trial-changes-in-tumor-proliferation-index-and-quality-of-life-with-7-days-of-preoperative-tamoxifen
#10
Adam L Cohen, Rachel E Factor, Kathi Mooney, Mohamed E Salama, Mark Wade, Victoria Serpico, Emily Ostrander, Edward Nelson, Jane Porretta, Cindy Matsen, Philip Bernard, Ken Boucher, Leigh Neumayer
OBJECTIVES: A decrease in Ki67 during neoadjuvant therapy predicts response to tamoxifen. Previous trials have shown a decreased Ki67 in breast tumors with as little as two or more weeks of preoperative tamoxifen. Shortening the preoperative treatment time in window of opportunity clinical trials makes these trials more attractive to women. POWERPIINC examined the effect of 7 days of preoperative tamoxifen on breast tumor proliferation and patient symptoms. METHODS: Women with untreated stage I/II, ER-positive, invasive breast cancer with no contraindications to tamoxifen were enrolled...
February 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/27915068/effects-of-pulsed-ultrasound-therapy-on-sensory-nerve-conduction-parameters-and-the-pain-threshold-perceptions-in-humans
#11
Othmar Schuhfried, Damir Vukanovic, Christian Kollmann, Karin Pieber, Tatjana Paternostro-Sluga
BACKGROUND: Therapeutic ultrasound is an often-used clinical modality in the nonsurgical treatment of entrapment neuropathies. To date, the possible mechanism of action of pulsed ultrasound therapy on the peripheral nerve in the treatment of entrapment neuropathies is unclear. OBJECTIVE: To examine the effects of pulsed ultrasound therapy on peripheral nerve conduction parameters. DESIGN: A prospective, randomized, single blind, crossover study...
November 30, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27913128/the-impact-of-solid-organ-transplant-history-on-inpatient-complications-mortality-length-of-stay-and-cost-for-primary-total-hip-arthroplasty-admissions-in-the-united-states
#12
Suparna M Navale, Caleb R Szubski, Alison K Klika, Nicholas K Schiltz, Pratik P Desai, Wael K Barsoum
BACKGROUND: As the prevalence of and life expectancy after solid organ transplantation increases, some of these patients will require total hip arthroplasty (THA). Immunosuppressive therapy, metabolic disorders, and post-transplant medications may place transplant patients at higher risk of adverse events following surgery. The objective of this study was to compare inpatient complications, mortality, length of stay (LOS), and costs for THA patients with and without solid organ transplant history...
November 10, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27912978/tap-water-iontophoresis-in-the-treatment-of-pediatric-hyperhidrosis
#13
Haitham Dagash, Sinead McCaffrey, Katie Mellor, Agnes Roycroft, Ingrid Helbling
AIM OF THE STUDY: The treatment options for localized hyperhidrosis include antiperspirants, anticholinergics, iontophoresis, botulinum toxin and surgery. Tap water iontophoresis (TWI) involves immersing the affected area in tap water and passing a small electrical current through the area. Our aim was to assess the success of this therapy in a pediatric cohort. METHODS: Retrospective case note review of all patients younger than 18years who underwent TWI between 2002 and 2015...
November 14, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27896190/the-use-of-locally-applied-vibration-to-minimize-pain-during-fractional-co2-laser-therapy-in-living-liver-donor-scar-management
#14
Sinyoung Song, Dong Hoon Choi, Tae Suk Oh
BACKGROUND: Fractional CO2 laser is an effective treatment for scars, but most patients complain about sharp burning pain, even after the application of lidocaine ointment. This study analyzed the impact of a vibrating device to nonpharmacologically reduce the acute pain of laser treatment, in accordance with the gate control theory of pain management. METHODS: This is a prospective study performed from May 2013 through March 2014. Fifty-three patients (mean age, 26...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27894310/monitoring-change-in-volume-of-calcifications-in-juvenile-idiopathic-inflammatory-myopathy-a-pilot-study-using-low-dose-computed-tomography
#15
Maria Ibarra, Cynthia Rigsby, Gabrielle A Morgan, Christina L Sammet, Chiang-Ching Huang, Dong Xu, Ira N Targoff, Lauren M Pachman
BACKGROUND: Dystrophic calcifications may occur in patients with J uvenile Idiopathic Inflammatory Myopathy (JIIM) as well as other connective tissue and metabolic diseases, but a reliable method of measuring the volume of these calcifications has not been established. The purpose of this study is to determine the feasibility of low dose, limited slice, Computed Tomography (CT) to measure objectively in-situ calcification volumes in patients with JIIM over time. METHODS: Ten JIIM patients (eight JDM, two Overlap) with calcifications were prospectively recruited over a 2-year period to undergo two limited, low dose, four-slice CT scans...
November 29, 2016: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/27887873/neer-award-2017-a-rapid-method-for-detecting-propionibacterium-acnes-in-surgical-biopsy-specimens-from-the-shoulder
#16
Scott Holmes, Ana M Pena Diaz, George S Athwal, Kenneth J Faber, David B O'Gorman
BACKGROUND: Propionibacterium (P) acnes infection of the shoulder after arthroplasty is a common and serious complication. Current detection methods for P acnes involve anaerobic cultures that require prolonged incubation periods (typically 7-14 days). We have developed a polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) approach that sensitively and specifically identifies P acnes in tissue specimens within a 24-hour period. METHODS: Primers were designed to amplify a unique region of the 16S rRNA gene in P acnes that contained a unique HaeIII restriction enzyme site...
November 22, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27856539/left-ventricular-dimensions-predict-risk-of-appropriate-shocks-but-not-mortality-in-cardiac-resynchronization-therapy-defibrillator-recipients-with-left-bundle-branch-block-and-non-ischemic-cardiomyopathy
#17
Evan C Adelstein, David Schwartzman, Sandeep Jain, Raveen Bazaz, Norman C Wang, Samir Saba
AIMS: Patients with non-ischaemic cardiomyopathy (NICM) and left bundle-branch block (LBBB) often benefit markedly from cardiac resynchronization therapy (CRT). Cardiac resynchronization therapy responders have a lower risk of appropriate device shocks from CRT-defibrillators (CRT-D) than do non-responders. Larger baseline left ventricular (LV) dimensions may be associated with less CRT response and thus greater risk of appropriate shocks. METHODS AND RESULTS: We analysed all (n = 249; 55% female) primary prevention CRT-D recipients at our institution with LBBB, NICM, and measured LV dimensions prior to device implant for the outcomes of (i) appropriate shocks, (ii) any appropriate tachyarrhythmia therapies, and (iii) risk of death, transplant, or left ventricular assist device (LVAD)...
November 17, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27789355/solid-lipid-nanoparticles-as-promising-tool-for-intraocular-tobramycin-delivery-pharmacokinetic-studies-on-rabbits
#18
Patrizia Chetoni, Susi Burgalassi, Daniela Monti, Silvia Tampucci, Vivian Tullio, Anna Maria Cuffini, Elisabetta Muntoni, Rita Spagnolo, Gian Paolo Zara, Roberta Cavalli
Eye drops are widely accepted as formulations for targeting the anterior segment notwithstanding their limitations in terms of bioavailability. The unique structure of the eye requires specially-designed formulations able to favor the pharmacokinetic profile of administered drugs, mainly minimizing the influence of ocular barriers. Nanotechnology-based delivery systems lead to significant technological and therapeutical advantages in ophthalmic therapy. The aim of the present study was to determine whether tobramycin as ion-pair incorporated in mucoadhesive Solid Lipid Nanoparticles (SLN) reaches the inner parts of the eye favoring drug activity...
December 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27766865/the-discovery-of-a-potent-selective-and-peripherally-restricted-pan-trk-inhibitor-pf-06273340-for-the-treatment-of-pain
#19
Sarah E Skerratt, Mark Andrews, Sharan K Bagal, James Bilsland, David Brown, Peter J Bungay, Susan Cole, Karl R Gibson, Russell Jones, Inaki Morao, Angus Nedderman, Kiyoyuki Omoto, Colin Robinson, Thomas Ryckmans, Kimberly Skinner, Paul Stupple, Gareth Waldron
The neurotrophin family of growth factors, comprised of nerve growth factor (NGF), brain derived neurotrophic factor (BDNF), neurotrophin 3 (NT3), and neurotrophin 4 (NT4), is implicated in the physiology of chronic pain. Given the clinical efficacy of anti-NGF monoclonal antibody (mAb) therapies, there is significant interest in the development of small molecule modulators of neurotrophin activity. Neurotrophins signal through the tropomyosin related kinase (Trk) family of tyrosine kinase receptors, hence Trk kinase inhibition represents a potentially "druggable" point of intervention...
November 23, 2016: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27686592/boost-delineation-in-breast-radiation-therapy-isotropic-versus-anisotropic-margin-expansion
#20
Karolien Verhoeven, Stéphanie Peeters, Katrien Erven, Hilde Janssen, Isabelle Kindts, Erik Van Limbergen, Annouschka Laenen, Saskia Petillion, Caroline Weltens
PURPOSE: The purpose of this article is to compare isotropic and anisotropic margin expansion with regard to the size of the clinical target volume boost (CTVboost) and the interobserver variability (IOV). METHODS AND MATERIALS: Lumpectomy cavities marked with 3 or more surgical clips were delineated by 6 radiation oncologists who specialized in breast radiation therapy. CTVboost anisotropic was created by manually expanding the tumor bed with an anisotropic margin of 15 mm (20 mm in case of extensive intraductal component) minus the surgical free margins in 6 directions (anteroposterior, craniocaudal, and superoinferior)...
November 2016: Practical Radiation Oncology
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