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https://www.readbyqxmd.com/read/29054262/evaluation-of-robotic-surgery-skills-using-dynamic-time-warping
#1
Jingyu Jiang, Yuan Xing, Shuxin Wang, Ke Liang
BACKGROUND AND OBJECTIVE: accompanied with the wide acceptance of robot assisted minimally invasive surgery (RMIS), the demand for efficient and objective surgical skills evaluation method is increased. Recently, with the development of medical engineering technology, several evaluation methods have been proposed. Among them, kinematic analysis, an unsupervised and data-based method, has been accepted by many researchers. However, this method is still limited by the number of metrics and unconvinced scoring system...
December 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29054252/methodology-on-quantification-of-sonication-duration-for-safe-application-of-mr-guided-focused-ultrasound-for-liver-tumour-ablation
#2
Senay Mihcin, Ioannis Karakitsios, Nhan Le, Jan Strehlow, Daniel Demedts, Michael Schwenke, Sabrina Haase, Tobias Preusser, Andreas Melzer
BACKGROUND AND OBJECTIVE: Magnetic Resonance Guided Focused Ultrasound (MRgFUS) for liver tumour ablation is a challenging task due to motion caused by breathing and occlusion due the ribcage between the transducer and the tumour. To overcome these challenges, a novel system for liver tumour ablation during free breathing has been designed. METHODS: The novel TRANS-FUSIMO Treatment System (TTS, EUFP7) interacts with a Magnetic Resonance (MR) scanner and a focused ultrasound transducer to sonicate to a moving target in liver...
December 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29053449/thermo-acoustic-ultrasound-for-detection-of-rf-induced-device-lead-heating-in-mri
#3
Neerav Dixit, Pascal P Stang, John M Pauly, Greig C Scott
Patients who have implanted medical devices with long conductive leads are often restricted from receiving MRI scans due to the danger of RF-induced heating near the lead tips. Phantom studies have shown that this heating varies significantly on a case-by-case basis, indicating that many patients with implanted devices can receive clinically useful MRI scans without harm. However, the difficulty of predicting RF-induced lead tip heating prior to scanning prevents numerous implant recipients from being scanned...
October 17, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/29043095/applied-anatomy-today-s-requirement-for-clinical-medicine-courses
#4
Ahmad Farrokhi, Masoume Soleymaninejad, Mehrdad Ghorbanlou, Ramazan Fallah, Reza Nejatbakhsh
Anatomy as an indispensable part of the medical curricula, offering impeccable knowledge, prepares the students to enter the practical atmosphere. The aim of this study was to evaluate the clinical application of anatomy courses of the medical students in Zanjan University of Medical Sciences. This cross-sectional study was conducted in 2015 with census sampling on all clinical students (trainees and interns). To collect feedback from students, the questionnaire designed by researchers was used. The Likert rating scale of very high, high, medium, low, and very low was considered and scores of 5 (very high) to 1 (very low) were applied...
September 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/29033615/clinical-economic-and-humanistic-burden-of-needlestick-injuries-in-healthcare-workers
#5
REVIEW
Catherine E Cooke, Jennifer M Stephens
INTRODUCTION: Needlestick injuries (NSIs) from a contaminated needle put healthcare workers (HCWs) at risk of becoming infected with a blood-borne virus and suffering serious short- and long-term medical consequences. Hypodermic injections using disposable syringes and needles are the most frequent cause of NSIs. OBJECTIVE: To perform a systematic literature review on NSI and active safety-engineered devices for hypodermic injection. METHODS: MEDLINE, EMBASE, and COCHRANE databases were searched for studies that evaluated the clinical, economic, or humanistic outcomes of NSI or active safety-engineered devices...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/29025529/-volume-or-value-the-role-of-the-radiologist-in-managing-radiological-exams
#6
Carlos Francisco Silva, Teresa Guerra
INTRODUCTION: The purpose of this study was to understand the reasons and quantify the number of ultrasounds and computed tomographies that are potentially wasted in the hospital emergency in our institution, and the importance that the radiologist can have in the management and screening of these exams. MATERIAL AND METHODS: It was decided that urgent tests that were pending for more than seven days would be the object of analysis as to why they were not performed, consulting the electronic medical records...
September 29, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/29025298/twelve-tips-for-using-applied-improvisation-in-medical-education
#7
Krista Hoffmann-Longtin, Jonathan P Rossing, Elizabeth Weinstein
Future physicians will practice medicine in a more complex environment than ever, where skills of interpersonal communication, collaboration and adaptability to change are critical. Applied improvisation (or AI) is an instructional strategy which adapts the concepts of improvisational theater to teach these types of complex skills in other contexts. Unique to AI is its very active teaching approach, adapting theater games to help learners meet curricular objectives. In medical education, AI is particularly helpful when attempting to build students' comfort with and skills in complex, interpersonal behaviors such as effective listening, person-centeredness, teamwork and communication...
October 12, 2017: Medical Teacher
https://www.readbyqxmd.com/read/29025296/comment-on-twelve-tips-for-teaching-brief-motivational-interviewing-to-medical-students
#8
Jonathan Wood, Saumya George, James Aylward
No abstract text is available yet for this article.
October 12, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28984323/analysis-of-human-gliomas-by-swab-touch-spray-mass-spectrometry-applications-to-intraoperative-assessment-of-surgical-margins-and-presence-of-oncometabolites
#9
Valentina Pirro, Raquel Sero Llor, Alan K Jarmusch, Clint M Alfaro, Aaron A Cohen-Gadol, Eyas M Hattab, R Graham Cooks
Touch spray mass spectrometry using medical swabs is an ambient ionization technique (ionization of unprocessed sample in the open air) that has potential intraoperative application in quickly identifying the disease state of tissue and in better characterizing the resection margin. To explore this potential, we studied 29 human brain tumor specimens and obtained evidence that this technique can provide diagnostic molecular information that is relevant to brain cancer. Touch spray using medical swabs involves the physical sampling of tissue using a medical swab on a spatial scale of a few mm(2) with subsequent ionization occurring directly from the swab tip upon addition of solvent and application of a high voltage...
October 6, 2017: Analyst
https://www.readbyqxmd.com/read/28973066/adherence-to-depression-treatment-in-primary-care-a-randomized-clinical-trial
#10
Jo Anne Sirey, Samprit Banerjee, Patricia Marino, Martha L Bruce, Ashley Halkett, Molly Turnwald, Claire Chiang, Brian Liles, Amanda Artis, Fred Blow, Helen C Kales
Importance: Nonadherence to antidepressant medication is common and leads to poor outcomes. Early nonadherence is especially problematic. Objective: To test the effectiveness of a psychosocial intervention to improve early adherence among older patients whose primary care physician newly initiated an antidepressant for depression. Design, Setting, and Participants: The Treatment Initiation and Participation Program (TIP) was offered in a 2-site randomized clinical effectiveness study between January 2011 and December 2014 at primary care practices in New York, New York, and Ann Arbor, Michigan...
September 27, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28970071/low-level-laser-therapy-for-the-treatment-of-provoked-vestibulodynia-a-randomized-placebo-controlled-pilot-trial
#11
Ahinoam Lev-Sagie, Asia Kopitman, Amnon Brzezinski
BACKGROUND: Low-level laser therapy (LLLT) is an emerging medical technology in which non-thermal laser irradiation is applied to treat pain. Because LLLT has been found effective in treating various pain syndromes without known side effects, we conducted a study evaluating the effect of LLLT on provoked vestibulodynia (PVD), a complex sexual pain disorder characterized by pain confined to the vulvar vestibule in response to contact or pressure. AIM: To investigate the effectiveness of LLLT for PVD in a randomized, placebo-controlled, double-blinded trial...
September 29, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28966150/benchmarking-distance-control-and-virtual-drilling-for-lateral-skull-base-surgery
#12
Eduard H Voormolen, Sander Diederen, Marijn van Stralen, Peter A Woerdeman, Herke Jan Noordmans, Max A Viergever, Luca Regli, Pierre A Robe, Jan Willem Berkelbach van der Sprenkel
BACKGROUND: Novel audiovisual feedback methods were developed to improve image guidance during skull base surgery by providing audiovisual warnings when the drill tip enters a protective perimeter set at a distance around anatomical structures ('distance control'), and visualizing bone drilling ('virtual drilling'). OBJECTIVE: To benchmark the drill damage risk reduction provided by distance control. To quantify the accuracy of virtual drilling. To investigate whether the proposed feedback methods are clinically feasible...
September 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28961938/implantation-of-depth-electrodes-in-children-using-varioguide%C3%A2-frameless-navigation-system-technical-note
#13
Marcelo Budke, Josue M Avecillas-Chasin, Francisco Villarejo
BACKGROUND: Electrode placement in epilepsy surgery seeks to locate the sites of ictal onset and early propagation. An invasive diagnostic procedure, stereoelectroencephalography (SEEG) is usually implemented with frame-based methods that can be especially problematic in young children. OBJECTIVE: To evaluate the feasibility and accuracy of a new technique for frameless SEEG in children using the VarioGuide® system (Brainlab AG, München, Germany). METHODS: A frameless stereotactic navigation system was used to implant depth electrodes with percutaneous drilling and bolt insertion in pediatric patients with medically refractory epilepsy...
September 9, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28960218/3d-shape-evolution-of-microparticles-and-3d-enabled-applications-using-non-uniform-uv-flow-lithography-nufl
#14
Kenneth Choi, Mohammad Salehizadeh, Rafael Belo Da Silva, Navid Hakimi, Eric Diller, Dae Kun Hwang
The generation of microparticles with non-spherical morphologies has generated extensive interest because of their enhanced physical properties that can increase their performance in a wide variety of clinical and industrial applications. A flow lithographic technique based on stop flow lithography (SFL) recently showed the ability to fabricate particles with 3D shapes via manipulation of the UV intensity profile in a simple 2D microfluidic channel. Here, we further explore this flow lithographic method, called non-uniform flow lithography (NUFL), to investigate the 3D-shape tuning ability for the generation of 3D magnetic microparticles and their potential applications...
October 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28956000/accurate-clinical-genetic-testing-for-autoinflammatory-diseases-using-the-next-generation-sequencing-platform-miseq
#15
Manabu Nakayama, Hirotsugu Oda, Kenji Nakagawa, Takahiro Yasumi, Tomoki Kawai, Kazushi Izawa, Ryuta Nishikomori, Toshio Heike, Osamu Ohara
Autoinflammatory diseases occupy one of a group of primary immunodeficiency diseases that are generally thought to be caused by mutation of genes responsible for innate immunity, rather than by acquired immunity. Mutations related to autoinflammatory diseases occur in 12 genes. For example, low-level somatic mosaic NLRP3 mutations underlie chronic infantile neurologic, cutaneous, articular syndrome (CINCA), also known as neonatal-onset multisystem inflammatory disease (NOMID). In current clinical practice, clinical genetic testing plays an important role in providing patients with quick, definite diagnoses...
March 2017: Biochemistry and Biophysics Reports
https://www.readbyqxmd.com/read/28954024/assessment-of-eye-drop-instillation-technique-in-glaucoma-patients
#16
Beatriz Fiuza Gomes, Angela Flores Paredes, Nathália Madeira, Haroldo Vieira Moraes, Marcony R Santhiago
Purpose: To study the technique of eye drop instillation in glaucoma patients and identify independent factors that may influence their performance. Methods: In this cross-sectional study, 71 consecutive patients with glaucoma or ocular hypertension, self-administering topical anti-glaucoma medications for ≥6 months were evaluated. All patients instilled a tear substitute into the eye with the worst eyesight using the technique normally used at home. The following parameters were evaluated: age, number of years receiving treatment with ocular hypotensive eye drops, time spent to instill the first drop, number of drops instilled, correct location of the eye drops, contact of the bottle with the eye, closing of the eyelids or occlusion of the tear punctum, and asepsis of the hands...
July 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28953520/an-evaluation-of-different-bridging-techniques-for-short-nerve-gaps
#17
Imran Ahmad, Mohd Altaf Mir, Arshad Hafeez Khan
BACKGROUND: In this study, we investigated sensory and motor outcomes for different bridging techniques for short nerve gaps. MATERIAL AND METHODS: This study was conducted in the Postdoctoral Department of Burns, Plastic, and Reconstructive Surgery of our institution from August 2014 to May 2017. All patients with posttraumatic short nerve gaps of 3 cm or less of median, ulnar, and/or both in forearm and wrists were included in the study. Patients with known causes of neuropathies were excluded...
November 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28952929/unambiguous-identification-and-visualization-of-an-acoustically-active-catheter-by-ultrasound-imaging-in-real-time-theory-algorithm-and-phantom-experiments
#18
Viksit Kumar, Richard Liu, Randall R Kinnick, Adriana Gregory, Azra Alizd, Marek Belohlavek, Mostafa Fatemi
OBJECTIVE: Ultrasound-guided biopsies and minimally invasive procedures have been used in numerous medical applications, including catheter guidance. The biggest challenge for catheter guidance by ultrasound lies in distinguishing the catheter from neighboring tissue, as well as the ability to differentiate the catheter body from its tip. METHODS: In our previous work, we introduced a functional prototype of an acoustically active catheter, in which a miniature piezoelectric crystal allowed accurate localization of the catheter tip by pulsed wave (PW) Doppler imaging and Doppler spectrogram...
September 25, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28950493/probing-the-effect-of-tip-pressure-on-fungal-growth-application-to-aspergillus-nidulans
#19
Blanca González-Bermúdez, Qingxuan Li, Gustavo V Guinea, Miguel A Peñalva, Gustavo R Plaza
The study of fungal cells is of great interest due to their importance as pathogens and as fermenting fungi and for their appropriateness as model organisms. The differential pressure between the hyphal cytoplasm and the bordering medium is essential for the growth process, because the pressure is correlated with the growth rate. Notably, during the invasion of tissues, the external pressure at the tip of the hypha may be different from the pressure in the surrounding medium. We report the use of a method, based on the micropipette-aspiration technique, to study the influence of this external pressure at the hyphal tip...
August 2017: Physical Review. E
https://www.readbyqxmd.com/read/28948240/ultrasonic-needle-tracking-with-a-fibre-optic-ultrasound-transmitter-for-guidance-of-minimally-invasive-fetal-surgery
#20
Wenfeng Xia, Sacha Noimark, Sebastien Ourselin, Simeon J West, Malcolm C Finlay, Anna L David, Adrien E Desjardins
Ultrasound imaging is widely used for guiding minimally invasive procedures, including fetal surgery. Visualisation of medical devices such as medical needles is critically important and it remains challenging in many clinical contexts. During in-plane insertions, a needle can have poor visibility at steep insertion angles and at large insertion depths. During out-of-plane insertions, the needle tip can have a similar ultrasonic appearance to the needle shaft when it intersects with the ultrasound imaging plane...
September 2017: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
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