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https://www.readbyqxmd.com/read/28342407/music-and-natural-sounds-in-an-auditory-steady-state-response-based-brain-computer-interface-to-increase-user-acceptance
#1
Jeong Heo, Hyun Jae Baek, Seunghyeok Hong, Min Hye Chang, Jeong Su Lee, Kwang Suk Park
Patients with total locked-in syndrome are conscious; however, they cannot express themselves because most of their voluntary muscles are paralyzed, and many of these patients have lost their eyesight. To improve the quality of life of these patients, there is an increasing need for communication-supporting technologies that leverage the remaining senses of the patient along with physiological signals. The auditory steady-state response (ASSR) is an electro-physiologic response to auditory stimulation that is amplitude-modulated by a specific frequency...
March 18, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28333642/endomicroscopy-for-computer-and-robot-assisted-intervention
#2
Siyang Zuo, Guang-Zhong Yang
Endomicroscopy is a new technique that allows human tissue to be characterized in vivo, and in situ, circumventing the need for conventional biopsy and histology. Despite increased application and growing research interests in this area, the clinical application of endomicroscopy, however, is limited by difficulties in ergonomic control, consistent probe-tissue contact, large area surveillance and retargeting. Recently, advances in high-speed imaging, mosaicing and robotics have aimed to address these difficulties...
March 22, 2017: IEEE Reviews in Biomedical Engineering
https://www.readbyqxmd.com/read/28332159/electromagnetically-tracked-personalized-templates-for-surgical-navigation
#3
Andrew W L Dickinson, Michelle L Zec, David R Pichora, Brian J Rasquinha, Randy E Ellis
PURPOSE: An electromagnetic (EM) surgical tracking system was developed for orthopedic navigation. The reportedly poor accuracy of point-based EM navigation was improved by using anatomical impressions, which were EM-tracked personalized templates. Lines, rather than points, were consistently used for calibration and error evaluation. METHODS: Technical accuracy was tested using models derived from CT scans of ten cadaver shoulders. Tracked impressions were first designed, calibrated, and tested using lines as fiducial objects...
March 22, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28331276/an-easy-technique-for-negative-pressure-wound-therapy-for-extremities-using-collagen-powder-and-sterile-gloves
#4
L S Sreelesh, P Laxminarayan Bhandari
Negative-pressure wound therapy (NPWT) has become the standard of care for wound management. Application of NPWT to the hand and foot is technically challenging due to difficulty in obtaining a proper air seal. The cost of the treatment is another negative factor affecting NPWT in developing countries. We describe an easy and economical technique for the application of NPWT to the extremities using collage powder and sterile surgical glove. Collagen creates a physiological interface between the wound surface and the environment and is also non-immunogenic, non-pyrogenic, hypoallergenic, and pain-free...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28328500/the-role-of-haptic-feedback-in-robotic-assisted-retinal-microsurgery-systems-a-systematic-review
#5
Julia A Griffin, Weihang Zhu, Chang S Nam
Retinal microsurgery is one of the most technically difficult surgeries since it is performed at the threshold of human capability. If certain retinal conditions are left untreated, they can lead to severe damage, including irreversible blindness. Thus, techniques for reliable retinal microsurgery operations are critical. Recent research shows promise for improving surgical safety by implementing various types of sensory input and output. Sensory information is used to inform the surgeon about the environment inside the eye in real time...
January 2017: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28320978/a-randomized-controlled-trial-of-the-effect-of-participatory-ergonomic-low-back-pain-training-on-workplace-improvement
#6
Shigeyuki Kajiki, Hiroyuki Izumi, Kenshi Hayashida, Akira Kusumoto, Tomohisa Nagata, Koji Mori
OBJECTIVES: This study aimed to determine the effects of participatory workplace improvement (PWI)-based provision of ergonomic training and ergonomic action checklists (ACLs) to on-site managers on workplace improvement activities for low back pain (LBP). METHODS: A randomized controlled trial (RCT) was conducted at a manufacturing company in Japan. Teams entered in the study were randomly assigned to a control and an intervention group. A total of three interventional training sessions on methods of ergonomics were provided to on-site managers in the intervention group, with 1-month intervals between sessions...
March 17, 2017: Journal of Occupational Health
https://www.readbyqxmd.com/read/28306646/prevalence-of-musculoskeletal-disorders-among-surgeons-performing-minimally-invasive-surgery-a-systematic-review
#7
Chantal C J Alleblas, Anne Marie de Man, Lukas van den Haak, Mark E Vierhout, Frank Willem Jansen, Theodoor E Nieboer
OBJECTIVE: The aim of this study was to review musculoskeletal disorder (MSD) prevalence among surgeons performing minimally invasive surgery. BACKGROUND: Advancements in laparoscopic surgery have primarily focused on enhancing patient benefits. However, compared with open surgery, laparoscopic surgery imposes greater ergonomic constraints on surgeons. Recent reports indicate a 73% to 88% prevalence of physical complaints among laparoscopic surgeons, which is greater than in the general working population, supporting the need to address the surgeons' physical health...
March 16, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28306384/the-dichotomy-of-the-application-of-a-systems-approach-in-uk-healthcare-the-challenges-and-priorities-for-implementation
#8
Laura Pickup, Alexandra Lang, Sarah Atkinson, Sarah Sharples
There is increasing demand for a systems approach within national healthcare guidelines to provide a systematic and sustainable framework for improvements in patient safety. Supported by this is the growing body of evidence within Human Factors/Ergonomics (HFE) healthcare literature for the inclusion of this approach in health service design, provision and evaluation. This paper considers the current interpretation of this within UK healthcare systems and the dichotomy which exists in the challenge to implement a systems approach...
March 17, 2017: Ergonomics
https://www.readbyqxmd.com/read/28301984/comparisons-of-ergonomic-evaluation-tools-alla-rula-reba-and-owas-for-farm-work
#9
Yong-Ku Kong, Sung-Yong Lee, Kyung-Suk Lee, Dae-Min Kim
INTRODUCTION: The purpose of this study was to validate the agricultural lower limb assessment (ALLA) ergonomics checklist, which was developed for various agricultural tasks in Korea. METHODS: 196 working postures were selected from the real agricultural tasks to verify ALLA, a lower limb body posture assessment tool, and then evaluated by 16 ergonomic experts. Hit rate, quadratic weighted κ, one-way analysis of variance, and t test analyses were applied to compare ALLA with other assessment tools...
March 17, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28299352/a-simple-ergonomic-measure-reduces-fluoroscopy-time-during-ercp-a-multivariate-analysis
#10
Fahd Jowhari, Wilma M Hopman, Lawrence Hookey
Background and study aims Endoscopic retrograde cholangiopancreatgraphy (ERCP) carries a radiation risk to patients undergoing the procedure and the team performing it. Fluoroscopy time (FT) has been shown to have a linear relationship with radiation exposure during ERCP. Recent modifications to our ERCP suite design were felt to impact fluoroscopy time and ergonomics. This multivariate analysis was therefore undertaken to investigate these effects, and to identify and validate various clinical, procedural and ergonomic factors influencing the total fluoroscopy time during ERCP...
March 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28296272/ergonomic-analysis-of-the-surgical-position-in-functional-endoscopic-sinus-surgery
#11
Vijay R Ramakrishnan, Benjamin M Milam
BACKGROUND: Ergonomics is the methodologic study of people's efficiency in their work environment and is based on anatomy, physiology, psychology, and engineering. Although highly studied in other work environments, little attention has been paid to surgeons until the landmark survey by Park et al in 2010. Many unique aspects of endoscopic surgery amplify task-related physical discomfort, and, because of these issues, we aimed to study the physical fatigue effects of functional endoscopic sinus surgery (FESS) performed in the standing and sitting positions...
March 15, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28295943/wrong-postural-hygiene-and-ergonomics-in-dental-students-of-the-university-of-valencia-spain-part-i
#12
J Cervera-Espert, A Pascual-Moscardó, I Camps-Alemany
INTRODUCTION: Failure to adopt a correct working posture can lead to occupational diseases. OBJECTIVES: Evaluate knowledge in relation to ergonomics about BHOP concept and its application to routine clinical practice amongst undergraduate and postgraduate dental students in the University of Valencia (Valencia, Spain). MATERIAL AND METHODS: A study based on interviews of undergraduate and postgraduate dental students in the University of Valencia (Valencia, Spain) was carried out...
March 14, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/28295530/the-fanny-pack-no-ifs-ands-or-buts
#13
Kaiane Habeshian, Anna Yasmine Kirkorian, Kalyani Marathe
Although the white coat is central to the practice of adult medicine, pediatricians often shed it to avoid creating negative associations and provoking fear in children. In our pediatric dermatology practice, the fanny pack (FP) has replaced many of the functional elements of the white coat. The FP is a kid-friendly way to readily carry key medical supplies from one patient encounter to the next. It is more hygienic, light weight, and affordable than traditional doctor's bags and white coats. In this article we outline the benefits of the FP, which include storage, ergonomics, efficiency, cleanliness, kid-friendliness, and cost-effectiveness...
March 10, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28291198/-clinical-results-of-aphakia-correction-with-multifocal-intraocular-lenses
#14
G V Voronin, V R Mamikonyan, V M Sheludchenko, M N Narbut
AIM: to assess visual functions and ergonomics after bilateral versus unilateral implantation of Lentis Comfort LS-313 MF15 multifocal intraocular lenses (MIOL) in aphakic eyes. MATERIAL AND METHODS: A total of 20 patients with М LENTIS LS-313 MF15 MIOLs were followed up. Group 1 consisted of 12 patients after bilateral symmetric implantation, group 2 - of 8 patients after unilateral procedure. The following parameters were examined: uncorrected binocular visual acuity at far, near, and intermediate distances under photopic and mesopic conditions, the range of pseudoaccommodation, spatial contrast sensitivity to achromatic sinusoidal gratings, lens stability with account to its optical design, and patient satisfaction with the resultant vision...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28284701/visualizing-stressful-aspects-of-repetitive-motion-tasks-and-opportunities-for-ergonomic-improvements-using-computer-vision
#15
Runyu L Greene, David P Azari, Yu Hen Hu, Robert G Radwin
Patterns of physical stress exposure are often difficult to measure, and the metrics of variation and techniques for identifying them is underdeveloped in the practice of occupational ergonomics. Computer vision has previously been used for evaluating repetitive motion tasks for hand activity level (HAL) utilizing conventional 2D videos. The approach was made practical by relaxing the need for high precision, and by adopting a semi-automatic approach for measuring spatiotemporal characteristics of the repetitive task...
March 9, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28284576/hemostasis-in-endoscopic-endonasal-skull-base-surgery-using-the-aquamantys-bipolar-sealer-technical-note
#16
Richard Bram, Susan Fiore, Daryl McHugh, Ghassan J Samara, Raphael P Davis
BACKGROUND: A major challenge during endoscopic transsphenoidal surgery is adequate intraoperative hemostasis. The Aquamantys® is a relatively new bipolar sealing device which uses radiofrequency energy and saline. This promotes hemostasis while decreasing charring and thermal spread. In this paper, we describe our experience with the Aquamantys® Mini EVS 3.4 Epidural Vein Sealer Bipolar Electrocautery System (Medtronic Advanced Energy, Portsmouth, NH, USA) during endoscopic surgery for tumors of the skull base with particular attention to ergonomic benefits and technical nuances...
March 8, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28283757/concept-of-patient-specific-shape-memory-implants-for-the-treatment-of-orbital-floor-fractures
#17
Ronny Grunert, Maximilian Wagner, Christian Rotsch, Harald Essig, Susanna Posern, Friedemann Pabst, Welf-Guntram Drossel, Juergen Lichtenstein
PURPOSE: We will aim to develop implants made of a Ni-Ti shape memory alloy which can be applied for the treatment of midface fractures, such as isolated orbital floor fractures. These can then be implanted in a compressed form and unfold automatically in the body. With the help of newly developed application instruments, the implants can be applied along transnasal and transantral approaches into the maxillary sinus. Our objective is to evaluate the operation process and the functionality of these implants, already in a pre-investigation by an experienced surgeon on a phantom...
March 10, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28281476/objective-ergonomic-risk-assessment-of-wrist-and-spine-with-motion-analysis-technique-during-simulated-laparoscopic-cholecystectomy-in-experienced-and-novice-surgeons
#18
Twinkle Yogesh Dabholkar, Sujata Sudhir Yardi, Sanjay Narahari Oak, Sneha Ramchandani
INTRODUCTION: There is a rise in prevalence of work-related musculoskeletal disorders in surgeons performing laparoscopic surgeries due to lack of ergonomic considerations to the minimal access surgical environment. The objective of this study was to assess the physical ergonomics in experienced and novice surgeons during a simulated laparoscopic cholecystectomy. METHODOLOGY: Thirty-two surgeons participated in this study and were distributed in two groups (experienced and novices) based on the inclusion criteria...
April 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28281112/performance-of-kymerax%C3%A2-precision-drive-articulating-surgical-system-compared-to-conventional-laparoscopic-instruments-in-a-pelvitrainer-model
#19
Marco Alain Sieber, Bernhard Fellmann-Fischer, Michael Mueller
BACKGROUND: The Kymerax© Precision-Drive Articulating Surgical System by Terumo© is a handheld laparoscopic robot which permits motion in two additional degrees of freedom (deflection and rotation in the instrument tip). In a pelvitrainer model, we compared the performance of participants with different laparoscopic experiences and compared Kymerax© to conventional laparoscopic instruments. METHODS: 20 expert surgeons, performing more than 50 laparoscopic procedures per year, and 25 medical students without any experience in surgery at all were selected...
March 9, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28280915/-orthoses-and-assistive-devices-in-rheumatology-prevention-of-disability-support-of-residual-function
#20
T Fikentscher, H R Springorum, J Grifka, J Götz
Due to the frequent presence of comorbidities in patients suffering from rheumatism with increased perioperative risk factors, conservative treatment is often needed. Besides pharmacological treatment, physiotherapy and occupational therapy, a variety of orthoses are available depending on the individual indications. They can be used to stabilize or support joints, limit the range of motion, prevent unphysiological movements or provide relief for affected limbs. In order to choose the right kind of orthosis, the physician should know the underlying cause of disease...
March 9, 2017: Zeitschrift Für Rheumatologie
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