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https://www.readbyqxmd.com/read/27911227/radiofrequency-ablation-of-spinal-osteoid-osteoma-a-prospective-study
#1
Joe Faddoul, Yara Faddoul, Sandra Kobaiter-Maarrawi, Ronald Moussa, Tony Rizk, Georges Nohra, Nabil Okais, Elie Samaha, Joseph Maarrawi
OBJECTIVE Surgery has been considered the standard treatment for spinal osteoid osteomas that are refractory to analgesic agents. Radiofrequency ablation (RFA) is a less invasive technique with established efficiency for the treatment of peripheral osteoid osteomas. The main objectives of this study are to evaluate the safety of RFA based on the results of a previous experimental study in rats conducted in the authors' laboratory and to identify its short- and long-term efficiency in the treatment of spinal osteoid osteomas...
December 2, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27908151/technical-note-a-direct-ray-tracing-method-to-compute-integral-depth-dose-in-pencil-beam-proton-radiography-with-a-multilayer-ionization-chamber
#2
Paolo Farace, Roberto Righetto, Sylvain Deffet, Arturs Meijers, Francois Vander Stappen
PURPOSE: To introduce a fast ray-tracing algorithm in pencil proton radiography (PR) with a multilayer ionization chamber (MLIC) for in vivo range error mapping. METHODS: Pencil beam PR was obtained by delivering spots uniformly positioned in a square (45 × 45 mm(2) field-of-view) of 9 × 9 spots capable of crossing the phantoms (210 MeV). The exit beam was collected by a MLIC to sample the integral depth dose (IDDMLIC). PRs of an electron-density and of a head phantom were acquired by moving the couch to obtain multiple 45 × 45 mm(2) frames...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27890030/longitudinal-emergency-medical-technician-attributes-and-demographic-study-leads-design-and-methodology
#3
Roger Levine
OBJECTIVES: The objective of this study is to describe the Longitudinal Emergency Medical Technician (EMT) Attributes and Demographic Study (LEADS) design, instrument development, pilot testing, sampling procedures, and data collection methodology. Response rates are provided, along with results of follow-up surveys of non-responders (NRs) and a special survey of Emergency Medical Services (EMS) professionals who were not nationally certified. METHODS: Annual surveys from 1999 to 2008 were mailed out to a random, stratified sample of nationally registered EMT-Basics and Paramedics...
November 28, 2016: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/27861705/the-temporal-and-age-dependent-patterns-of-hysterectomy-corrected-cervical-cancer-incidence-rates-in-denmark-a-population-based-cohort-study
#4
Anne Hammer, Johnny Kahlert, Anne Rositch, Lars Pedersen, Patti Gravitt, Jan Blaakaer, Mette Soegaard
INTRODUCTION: Hysterectomy is a common gynecological procedure, however, the incidence of total and subtotal hysterectomy varies across countries, by age, and over time. Since only women with an intact cervix are at risk of cervical cancer, failing to remove hysterectomized women from the denominator may underestimate the cervical cancer incidence. We aimed to describe the temporal and age-dependent patterns of cervical cancer incidence in Denmark before and after correction for hysterectomy...
November 14, 2016: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/27849142/a-multicenter-study-of-surrogate-decision-makers-experiences-in-being-approached-for-consent-for-patient-participation-in-research
#5
Karen E A Burns, Clara Juando Prats, Maria Maione, Mary Lanceta, Celia Zubrinich, Lianne Jeffs, Orla M Smith
RATIONALE: Recruitment in critical care research differs from other contexts in important ways: patients lack decision-making capacity, uncertainty exits regarding patient's prognosis, and critical illnesses are often associated with appreciable morbidity and mortality. OBJECTIVES: We aimed to describe surrogate decision makers (SDMs) experiences in being approached for consent for critically ill patients to participate in research. METHODS: A multicenter qualitative study involving 26 SDMs at 5 Canadian centers nested within a multicenter observational study of research recruitment practices...
November 16, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27836357/does-the-ex-utero-intrapartum-treatment-to-extracorporeal-membrane-oxygenation-procedure-change-morbidity-outcomes-for-high-risk-congenital-diaphragmatic-hernia-survivors
#6
Hester F Shieh, Jay M Wilson, Catherine A Sheils, C Jason Smithers, Virginia S Kharasch, Ronald E Becker, Mollie Studley, Donna Morash, Terry L Buchmiller
PURPOSE: In high-risk congenital diaphragmatic hernia (CDH), significant barotrauma or death can occur before extracorporeal membrane oxygenation (ECMO) can be initiated. We previously examined ex utero intrapartum treatment (EXIT)-to-ECMO in our most severe CDH patients, but demonstrated no survival advantage. We now report morbidity outcomes in survivors of this high-risk cohort to determine whether EXIT-to-ECMO conferred any benefit. METHODS: All CDH survivors with <15% predicted lung volume (PPLV) from September 1999 to December 2010 were included...
October 25, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27826865/asymmetric-localization-of-components-and-regulators-of-the-mitotic-exit-network-at-spindle-pole-bodies
#7
Ilaria Scarfone, Simonetta Piatti
Most proteins of the Mitotic Exit Network (MEN) and their upstream regulators localize at spindle pole bodies (SPBs) at least in some stages of the cell cycle. Studying the SPB localization of MEN factors has been extremely useful to elucidate their biological roles, organize them in a hierarchical pathway, and define their dynamics under different conditions.Recruitment to SPBs of the small GTPase Tem1 and the downstream kinases Cdc15 and Mob1/Dbf2 is thought to be essential for Cdc14 activation and mitotic exit, while that of the upstream Tem1 regulators (the Kin4 kinase and the GTPase activating protein Bub2-Bfa1) is important for MEN inhibition upon spindle mispositioning...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27826864/evaluation-of-the-dynamicity-of-mitotic-exit-network-and-spindle-position-checkpoint-components-on-spindle-pole-bodies-by-fluorescence-recovery-after-photobleaching-frap
#8
Ayse Koca Caydasi, Gislene Pereira
Fluorescence recovery after photobleaching (FRAP) is a powerful technique to study in vivo binding and diffusion dynamics of fluorescently labeled proteins. In this chapter, we describe how to determine spindle pole body (SPB) binding dynamics of mitotic exit network (MEN) and spindle position checkpoint (SPOC) proteins using FRAP microscopy. Procedures presented here include the growth of the yeast cultures, sample preparation, image acquisition and analysis.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27768063/safety-precautions-and-operating-procedures-in-an-a-bsl-4-laboratory-1-biosafety-level-4-suit-laboratory-suite-entry-and-exit-procedures
#9
Krisztina Janosko, Michael R Holbrook, Ricky Adams, Jason Barr, Laura Bollinger, Je T'aime Newton, Corrie Ntiforo, Linda Coe, Jiro Wada, Daniela Pusl, Peter B Jahrling, Jens H Kuhn, Matthew G Lackemeyer
Biosafety level 4 (BSL-4) suit laboratories are specifically designed to study high-consequence pathogens for which neither infection prophylaxes nor treatment options exist. The hallmarks of these laboratories are: custom-designed airtight doors, dedicated supply and exhaust airflow systems, a negative-pressure environment, and mandatory use of positive-pressure ("space") suits. The risk for laboratory specialists working with highly pathogenic agents is minimized through rigorous training and adherence to stringent safety protocols and standard operating procedures...
October 3, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27766677/surgical-management-of-driveline-infections-in-patients-with-left-ventricular-assist-devices
#10
Marina Pieri, Anna Mara Scandroglio, Marcus Müller, Panagiotis Pergantis, Alexandra Kretzschmar, Friedrich Kaufmann, Volkmar Falk, Thomas Krabatsch, Georg Arlt, Evgenij Potapov, Marian Kukucka
BACKGROUND AND AIM OF THE STUDY: Driveline infections in patients with implantable left ventricular assist devices (VAD) carry increasing risk for pump infection, thromboembolic events, decreased quality of life, and increased hospitalization. We report our experience with a surgical technique for refractory driveline infections without mediastinitis consisting of translocation and wrapping of the driveline with greater omentum tissue. METHODS: We retrospectively reviewed data of VAD patients who underwent surgical treatment by translocation and wrapping with omentum for severe chronic driveline infection...
December 2016: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/27751569/numerical-investigation-of-liver-radioembolization-via-computational-particle-hemodynamics-the-role-of-the-microcatheter-distal-direction-and-microsphere-injection-point-and-velocity
#11
Jorge Aramburu, Raúl Antón, Alejandro Rivas, Juan Carlos Ramos, Bruno Sangro, José Ignacio Bilbao
Liver radioembolization is a treatment option for patients with primary and secondary liver cancer. The procedure consists of injecting radiation-emitting microspheres via an intra-arterially placed microcatheter, enabling the deposition of the microspheres in the tumoral bed. The microcatheter location and the particle injection rate are determined during a pretreatment work-up. The purpose of this study was to numerically study the effects of the injection characteristics during the first stage of microsphere travel through the bloodstream in a patient-specific hepatic artery (i...
October 5, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27743023/a-technique-for-re-utilizing-catheter-insertion-sites-in-children-with-difficult-central-venous-access
#12
S M Johnson, G M Garnett, R K Woo
Maintenance of central venous access in patients with chronic medical conditions such as short bowel syndrome demands forethought and ingenuity. We describe an innovative technique for re-utilizing central venous access sites in patients who have chronic central venous access needs. Records of patients undergoing this technique were reviewed between August 2012 and December 2015. The technique involves "cutting-down" to the sterile fibrous tunnel that naturally forms around tunneled catheters. The fibrous sheath is then isolated and controlled much as would be done for a venous "cut-down...
October 14, 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27742773/novel-experience-of-laser-assisted-inside-out-central-venous-access-in-a-patient-with-bilateral-subclavian-vein-occlusion-requiring-pacemaker-implantation
#13
Thandar Aye, Thanh Trung Phan, Douglas Findlay Muir, Nicholas John Linker, Richard Hartley, Andrew John Turley
AIM: This new laser facilitated 'inside-out' technique was used for transvenous pacemaker insertion in a pacemaker-dependent patient with bilateral subclavian occlusion and a failed epicardial system who is not suitable for a transfemoral approach. METHOD AND RESULTS: Procedure was undertaken under general anaesthesia with venous access obtained from right femoral vein and left axillary vein. 7F multipurpose catheter was used to enter proximal edge of the occluded segment of subclavian vein via femoral approach, which then supported stiff angioplasty wires and microcatheters to tunnel into the body of occlusion...
October 14, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27716142/successful-customer-intercept-interview-recruitment-outside-small-and-midsize-urban-food-retailers
#14
Jennifer E Pelletier, Caitlin E Caspi, Liana R N Schreiber, Darin J Erickson, Lisa Harnack, Melissa N Laska
BACKGROUND: Customer intercept interviews are increasingly used to characterize food purchases at retail food outlets and restaurants; however, methodological procedures, logistical issues and response rates using intercept methods are not well described in the food environment literature. The aims of this manuscript were to 1) describe the development and implementation of a customer intercept interview protocol in a large, NIH-funded study assessing food purchases in small and midsize food retailers in Minneapolis and St...
October 5, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27714511/interventional-eus-using-a-flexible-19-gauge-needle-an-international-multicenter-experience-in-162-patients
#15
Vivek Kumbhari, Irene Peñas, Alan H Tieu, Carlos De la Serna-Higuera, Manie Juneja, Fuad Maufa, Saowanee Ngamruengphong, Mohamad H El-Zein, Nadim Haddad, Sandeep Krishnan, Susana Gonzalez, Peter V Renny, Payal Saxena, Linda Howard, Christopher J DiMaio, Jonathan M Buscaglia, Manuel Perez-Miranda, Mouen A Khashab
BACKGROUND AND AIMS: To facilitate access for interventional EUS, flexible (nitinol) 19-G needles have been introduced to permit needle puncture even when the echoendoscope is in an angulated position, such as in the second part of the duodenum. The aims of the study were to evaluate the performance of a flexible 19-G needle during interventional EUS procedures and compare outcomes when the echoendoscope was in the straight versus angulated position. METHODS: A retrospective review was undertaken of 162 consecutive patients that underwent a variety of interventional EUS procedures with a flexible 19-G needle across five centers...
December 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27709666/stop-border-ahead-automatic-detection-of-subthalamic-exit-during-deep-brain-stimulation-surgery
#16
Dan Valsky, Odeya Marmor-Levin, Marc Deffains, Renana Eitan, Kim T Blackwell, Hagai Bergman, Zvi Israel
BACKGROUND: Microelectrode recordings along preplanned trajectories are often used for accurate definition of the subthalamic nucleus (STN) borders during deep brain stimulation (DBS) surgery for Parkinson's disease. Usually, the demarcation of the STN borders is performed manually by a neurophysiologist. The exact detection of the borders is difficult, especially detecting the transition between the STN and the substantia nigra pars reticulata. Consequently, demarcation may be inaccurate, leading to suboptimal location of the DBS lead and inadequate clinical outcomes...
October 6, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27695806/assessing-cow-calf-welfare-part-2-risk-factors-for-beef-cow-health-and-behavior-and-stockperson-handling
#17
G E Simon, B R Hoar, C B Tucker
Epidemiological studies can be used to identify risk factors for livestock welfare concerns but have not been conducted in the cow-calf sector for this purpose. The objectives of this study were to investigate the relationships of 1) herd-level management, facilities, and producer perspectives with cattle health and behavior and stockperson handling and 2) stockperson handling on cattle behavior at the individual cow level. Cow ( = 3,065) health and behavior and stockperson handling during a routine procedure (e...
August 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27695781/investigation-of-the-physiological-behavioral-and-biochemical-responses-of-cattle-to-restraint-stress
#18
Y Chen, J Stookey, R Arsenault, E Scruten, P Griebel, S Napper
Stresses imposed on livestock have significant impact on their health and productivity as well as public perceptions of animal welfare. Understanding stress responses in livestock may help refine management procedures and facilitate selection of stress-tolerant animals. In this study, behavioral (chute entry order, chute behavior, and exit velocity), physiological (serum cortisol), and biochemical (kinome) responses were evaluated in cattle ( = 20) subjected to three 5-min restraint periods with weekly intervals...
August 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27688250/engaging-research-participants-to-inform-the-ethical-conduct-of-mobile-imaging-pervasive-sensing-and-location-tracking-research
#19
Camille Nebeker, Tiffany Lagare, Michelle Takemoto, Brittany Lewars, Katie Crist, Cinnamon S Bloss, Jacqueline Kerr
Researchers utilize mobile imaging, pervasive sensing, social media, and location tracking (MISST) technologies to observe and intervene with participants in their natural environment. The use of MISST methods and tools introduces unique ethical issues due to the type and quantity of data, and produces raising new challenges around informed consent, risk assessment, and data management. Since MISST methods are relatively new in behavioral research, there is little documented evidence to guide institutional review board (IRB) risk assessment and inform appropriate risk management strategies...
December 2016: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/27684833/use-of-the-glidescope-video-laryngoscope-for-intubation-during-ex-utero-intrapartum-treatment-in-a-fetus-with-a-giant-cyst-of-the-4th-branchial-cleft-a-case-report
#20
Sung Hye Byun, So Young Lee, Seong Yeon Hong, Taeha Ryu, Baek Jin Kim, Jin Yong Jung
INTRODUCTION: In fetuses who are predicted to be at risk of catastrophic airway obstruction at delivery, the ex utero intrapartum treatment (EXIT) procedure is useful for securing the fetal airway while maintaining fetal oxygenation via placental circulation. Factors, including poor posture of the fetus and physician, narrow visual field, and issues of contamination in the aseptic surgical field, make fetal intubation during the EXIT procedure difficult. Herein, we report our experience of the usefulness of the GlideScope video laryngoscope (GVL) for intubation during the EXIT procedure...
September 2016: Medicine (Baltimore)
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