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https://www.readbyqxmd.com/read/28637207/the-use-of-semitranslucent-rubber-pledgets-during-microsurgical-dissection-of-cerebellopontine-angle-tumors-technical-note
#1
Marcus D Mazur, Richard Gurgel, Joel D MacDonald
BACKGROUND AND IMPORTANCE: Dissection of cerebellopontine angle (CPA) tumors that abut or adhere to the brainstem or cranial nerves can be a challenging surgical endeavor. We describe the use of semitranslucent latex rubber pledgets in the tumor-brain interface as a method to improve visualization and protection of vital tissue during microsurgical dissection of CPA masses. The rubber pledgets are fashioned by cutting circular discs out of the cuff portion of talc-free, partially opaque latex gloves...
June 20, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28632432/serum-micrornas-as-early-indicators-for-estimation-of-exposure-degree-in-response-to-ionizing-irradiation
#2
Wenjun Wei, Jinpeng He, Jufang Wang, Nan Ding, Bing Wang, Sulan Lin, Xurui Zhang, Junrui Hua, He Li, Burong Hu
Exposure to ionizing radiation from nuclear devices, spaceflights or terrorist attacks represents a major threat to human health and public security. After a radiological incident, noninvasive biomarkers that can facilitate rapid assessment of exposure risk in the early stages are urgently needed for optimal medical treatment. Serum microRNAs (miRNAs) are ideal biomarkers because they are stable in response to environmental changes, they are common among different species and are easily collected. Here, we performed miRNA PCR arrays to analyze miRNA expression profiles at 24 h postirradiation...
June 20, 2017: Radiation Research
https://www.readbyqxmd.com/read/28630743/comparison-of-five-video-assisted-intubation-devices-by-novice-and-expert-laryngoscopists-for-use-in-the-aeromedical-evacuation-environment
#3
Matthew C Wallace, SSgt Tyler Britton, Robbie Meek, Sharon Walsh-Hart, Col Todd E Carter, Steven J Lisco
BACKGROUND: The critically ill or injured patient undergoing military medical evacuation may require emergent intubation. Intubation may be life-saving, but it carries risks. The novice or infrequent laryngoscopist has a distinct disadvantage because experience is critical for the rapid and safe establishment of a secured airway. This challenge is compounded by the austere environment of the back of an aircraft under blackout conditions. This study determined which of five different video-assisted intubation devices (VAIDs) was best suited for in-flight use by U...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28630486/integrated-optical-modulator-manipulating-the-polarization-and-rotation-handedness-of-orbital-angular-momentum-states
#4
S Faezeh Mousavi, Rahman Nouroozi, Giuseppe Vallone, Paolo Villoresi
Recent studies demonstrated that the optical channels encoded by Orbital Angular Momentum (OAM) are capable candidates for improving the next generation of communication systems. OAM states can enhance the capacity and security of high-dimensional communication channels in both classical and quantum regimes based on optical fibre and free space. Hence, fast and precise control of the beams encoded by OAM can provide their commercial applications in the compatible communication networks. Integrated optical devices are good miniaturized options to perform this issue...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629135/unequal-probability-marking-approach-to-enhance-security-of-traceback-scheme-in-tree-based-wsns
#5
Changqin Huang, Ming Ma, Xiao Liu, Anfeng Liu, Zhengbang Zuo
Fog (from core to edge) computing is a newly emerging computing platform, which utilizes a large number of network devices at the edge of a network to provide ubiquitous computing, thus having great development potential. However, the issue of security poses an important challenge for fog computing. In particular, the Internet of Things (IoT) that constitutes the fog computing platform is crucial for preserving the security of a huge number of wireless sensors, which are vulnerable to attack. In this paper, a new unequal probability marking approach is proposed to enhance the security performance of logging and migration traceback (LM) schemes in tree-based wireless sensor networks (WSNs)...
June 17, 2017: Sensors
https://www.readbyqxmd.com/read/28629131/a-hybrid-scheme-for-fine-grained-search-and-access-authorization-in-fog-computing-environment
#6
Min Xiao, Jing Zhou, Xuejiao Liu, Mingda Jiang
In the fog computing environment, the encrypted sensitive data may be transferred to multiple fog nodes on the edge of a network for low latency; thus, fog nodes need to implement a search over encrypted data as a cloud server. Since the fog nodes tend to provide service for IoT applications often running on resource-constrained end devices, it is necessary to design lightweight solutions. At present, there is little research on this issue. In this paper, we propose a fine-grained owner-forced data search and access authorization scheme spanning user-fog-cloud for resource constrained end users...
June 17, 2017: Sensors
https://www.readbyqxmd.com/read/28621574/endovascular-plug-for-internal-carotid-artery-occlusion-in-the-management-of-a-cavernous-pseudoaneurysm-with-bifrontal-subdural-empyema-technical-note
#7
Sunil Manjila, Gagandeep Singh, Obinna Ndubuizu, Zoe Jones, Daniel P Hsu, Alan R Cohen
The authors demonstrate the use of an endovascular plug in securing a carotid artery pseudoaneurysm in an emergent setting requiring craniotomy for a concurrent subdural empyema. They describe the case of a 14-year-old boy with sinusitis and bifrontal subdural empyema who underwent transsphenoidal exploration at an outside hospital. An injury to the right cavernous segment of the ICA caused torrential epistaxis. Bleeding was successfully controlled by inflating a Foley balloon catheter within the sphenoid sinus, and the patient was transferred to the authors' institution...
June 16, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28620982/novice-students-navigating-the-clinical-environment-in-an-early-medical-clerkship
#8
Jenny Barrett, Steve C Trumble, Geoff McColl
CONTEXT: The black box that is student learning in clinical environments is an ongoing research project. Our previous research showed that despite the time that students are given to learn with, about and from patients, some lack confidence for those encounters and see few patients. The study reported here investigated individual and environmental factors affecting medical students' self-directed learning time in hospital. METHODS: We studied second year students in the four-year postgraduate Melbourne Medical School programme as they undertook the first of their four 9-week hospital placements in medical wards...
June 16, 2017: Medical Education
https://www.readbyqxmd.com/read/28619777/peripherally-inserted-central-catheter-dressing-and-securement-in-patients-with-cancer-the-pisces-trial-protocol-for-a-2x2-factorial-superiority-randomised-controlled-trial
#9
Claire M Rickard, Nicole M Marsh, Joan Webster, Nicole C Gavin, Raymond J Chan, Alexandra L McCarthy, Peter Mollee, Amanda J Ullman, Tricia Kleidon, Vineet Chopra, Li Zhang, Matthew R McGrail, Emily Larsen, Md Abu Choudhury, Samantha Keogh, Evan Alexandrou, David J McMillan, Merehau Cindy Mervin, David L Paterson, Marie Cooke, Gillian Ray-Barruel, Maria Isabel Castillo, Andrew Hallahan, Amanda Corley, E Geoffrey Playford
INTRODUCTION: Around 30% of peripherally inserted central catheters (PICCs) fail from vascular, infectious or mechanical complications. Patients with cancer are at highest risk, and this increases morbidity, mortality and costs. Effective PICC dressing and securement may prevent PICC failure; however, no large randomised controlled trial (RCT) has compared alternative approaches. We designed this RCT to assess the clinical and cost-effectiveness of dressing and securements to prevent PICC failure...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28606439/the-epidemiological-analysis-of-maxillofacial-fractures-in-italy-the-experience-of-a-single-tertiary-center-with-1720-patients
#10
Paola Bonavolontà, Giovanni Dell'aversana Orabona, Vincenzo Abbate, Luigi Angelo Vaira, Carmelo Lo Faro, Marzia Petrocelli, Federica Attanasi, Giacomo De Riu, Giorgio Iaconetta, Luigi Califano
PURPOSE: Maxillofacial fractures represent a serious public health problem. Their epidemiology is extremely variable, and its analysis is crucial to establish effective treatment and prevention of these injuries. However only two works have been published about maxillofacial fracture epidemiology in Italy. MATERIALS AND METHODS: The records of 1720 patients diagnosed with maxillofacial fractures in a 15-years period (2001-2015) in our department were retrospectively reviewed...
May 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28604550/the-versatile-hook-plate-in-avulsion-fractures-of-the-hand
#11
Andal Thirumalai, Petros Mikalef, Rajive Mathew Jose
Avulsion fractures can pose technical difficulties for surgical fixation. The fragments are often small and around finger joints with access being difficult due to attachment of ligaments or tendons. Traditionally, these have been treated using K wires, lag screws, or pullout sutures.Hook plates were originally described for operative management of mallet fractures. We have been using hook plates in our unit for over 10 years. However, over the years, we have extended their use to other avulsion fractures in the hand such as proximal interphalangeal joint fracture dislocations, central slip avulsions, flexor digitorum profundus avulsions and collateral ligament avulsions...
June 9, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28602146/impact-of-purchasing-the-cpap-device-on-acceptance-and-long-term-adherence-a-belgian-model
#12
Joke Leemans, Daniel Rodenstein, Jamila Bousata, Gimbada Benny Mwenge
RATIONALE: In Belgium, patients with moderate to severe OSA (AHI > 20) who show less than 30 micro-arousals per hour slept (MAI) cannot benefit from CPAP refund by the social security (SS). OBJECTIVES: To assess the influence of reimbursement on CPAP acceptance, and long-term adherence. METHODS: OSA patients (AHI > 20) were included regardless of MAI. All patients were offered a CPAP trial of 3-5 days for habituation. Two groups were defined and compared: «Out of pocket money» patients (OOP) with MAI < 30 that were invited to purchase their device and «reimbursed group» that were offered a CPAP reimbursed by the social security...
June 11, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28598219/recent-approaches-to-ameliorate-selectivity-and-sensitivity-of-enzyme-based-cholesterol-biosensors-a-review
#13
Anjum Gahlaut, Vinita Hooda, Vikas Dhull, Vikas Hooda
The healthcare area is often reluctant to execute new technology unless they are proven to be safe, constructive and secure. Eventually, an aspiration stands for providing point-of-care testing service to allow a better estimation of the biochemical levels of a patient that entails an insistent remedial action. With increasing mortality rate due to cardiovascular diseases (CVDs) in present scenario, it has become the need of hour to develop more advance methods for their diagnosis, so that it can be determined at sensitive levels and can be prevented from being fatal...
June 9, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28594370/security-enhanced-push-button-configuration-for-home-smart-control
#14
Junghee Han, Taejoon Park
With the emergence of smart and converged home services, the need for the secure and easy interplay of various devices has been increased. Push Button Configuration (PBC) is one of the technologies proposed for easy set-up of a secure session between IT and consumer devices. Although the Wi-Fi Direct specification explicitly states that all devices must support the PBC method, its applicability is very limited. This is because the security vulnerability of PBC can be maliciously exploited so that attackers can make illegitimate sessions with consumer devices...
June 8, 2017: Sensors
https://www.readbyqxmd.com/read/28592389/spaces-of-well-being-among-young-adults-with-physical-disabilities-transitioning-from-pediatric-to-adult-healthcare
#15
Sally Lindsay
BACKGROUND: Youth with disabilities are at risk of poor health outcomes as they transition to adult healthcare. Although space and place play an important role in accessing healthcare little is known about the spatial aspects of youth's transition from pediatric to adult healthcare. OBJECTIVE: To understand the spaces of well-being as youth with physical disabilities transition from pediatric to adult healthcare. METHODS: This study draws on a qualitative design involving 63 in-depth interviews with young adults (n = 22), parents (n = 17), and clinicians (n = 24) involved in preparing young adults for transition...
May 31, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28591683/a-quantitative-risk-assessment-system-qr-as-evaluating-operation-safety-of-organic-rankine-cycle-using-flammable-mixture-working-fluid
#16
Hua Tian, Xueying Wang, Gequn Shu, Mingqiang Wu, Nanhua Yan, Xiaonan Ma
Mixture of hydrocarbon and carbon dioxide shows excellent cycle performance in Organic Rankine Cycle (ORC) used for engine waste heat recovery, but the unavoidable leakage in practical application is a threat for safety due to its flammability. In this work, a quantitative risk assessment system (QR-AS) is established aiming at providing a general method of risk assessment for flammable working fluid leakage. The QR-AS covers three main aspects: analysis of concentration distribution based on CFD simulations, explosive risk assessment based on the TNT equivalent method and risk mitigation based on evaluation results...
May 22, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28580250/combined-all-inside-anterior-cruciate-ligament-reconstruction-and-minimally-invasive-posterolateral-corner-reconstruction-using-ipsilateral-semitendinosus-and-gracilis-autograft
#17
Zakk M Borton, Sam K Yasen, Edward M Britton, Samuel R Heaton, Harry C Palmer, Adrian J Wilson
The anterior cruciate ligament (ACL) is the most commonly injured knee ligament, particularly among adolescents and young adults. Unrecognized posterolateral laxity is understood as a major cause of ACL reconstruction failure, and concomitant injury to the posterolateral corner (PLC) is prevalent and underdetected. We advocate screening all ACL-deficient knees for PLC injury and present a technique combining minimally invasive PLC reconstruction with anatomic all-inside ACL reconstruction. The combined procedure uses only the ipsilateral hamstring tendons representing a major surgical advantage over traditional management approaches...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28578767/electronic-communication-of-protected-health-information-privacy-security-and-hipaa-compliance
#18
Brian C Drolet, Jayson S Marwaha, Brad Hyatt, Phillip E Blazar, Scott D Lifchez
PURPOSE: Technology has enhanced modern health care delivery, particularly through accessibility to health information and ease of communication with tools like mobile device messaging (texting). However, text messaging has created new risks for breach of protected health information (PHI). In the current study, we sought to evaluate hand surgeons' knowledge and compliance with privacy and security standards for electronic communication by text message. METHODS: A cross-sectional survey of the American Society for Surgery of the Hand membership was conducted in March and April 2016...
June 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28576717/transient-phase-behavior-of-an-elastomeric-biomaterial-applied-to-abdominal-laparotomy-closure
#19
Omer E Kaymakcalan, Julia L Jin, Zhexun Sun, Nicole G Ricapito, Mary Clare McCorry, Kerry A Morrison, David Putnam, Jason A Spector
Secure closure of the fascial layers after entry into the peritoneal cavity is crucial to prevent incisional hernia, yet appropriate purchase of the tissue can be challenging because of the proximity of the underlying protuberant bowel which may become punctured by the surgical needle or strangulated by the suture itself. Whereas currently employed devices, the metal malleable retractor and Glassman Visceral Retainer are unable to provide complete visceral protection during abdominal closure, a puncture resistant, biocompatible, and degradable matrix that can be left in place without need for removal would facilitate rapid and safe abdominal closure...
May 30, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28576476/mitral-valve-repair-in-dogs-using-an-eptfe-chordal-implantation-device-a-pilot-study
#20
M Borgarelli, O Lanz, N Pavlisko, J A Abbott, G Menciotti, M Aherne, S M Lahmers, K K Lahmers, J S Gammie
OBJECTIVE: Mitral valve (MV) regurgitation due to degenerative MV disease is the leading cause of cardiac death in dogs. We carried out preliminary experiments to determine the feasibility and short-term effects of beating-heart MV repair using an expanded polytetrafluorethylene (ePTFE) chordal implantation device (Harpoon TSD-5) in dogs. ANIMALS: This study involved six healthy purpose-bred Beagles (weight range 8.9-11.4 kg). MATERIAL AND METHODS: Following a mini-thoracotomy performed under general anesthesia, the TSD-5 was used to place 1 or 2 artificial ePTFE cords on the anterior MV leaflet or the posterior MV leaflet via a left-ventricular transapical approach...
May 31, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
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