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https://www.readbyqxmd.com/read/28942019/failure-patterns-in-standalone-anterior-cervical-discectomy-and-fusion-implants
#1
Fernando Alonso, Tarush Rustagi, Cameron Schmidt, Daniel C Norvell, R Shane Tubbs, Rod J Oskouian, Jens R Chapman, Christian Fisahn
INTRODUCTION: Anterior cervical discectomy and fusion is commonly performed using an allograft or autograft implant and anterior screw-supported plate. There has been an increase in the use of standalone cage devices due to ease of use and studies suggesting a lower rate of acute post-operative dysphagia. We review our experience with standalone cage devices and identify risk factors, patterns of failure, and revision surgery approaches. MATERIALS AND METHODS: We performed a retrospective case-series of patients treated at a single tertiary care institution between March 2014 and March 2015...
September 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28936236/patient-oriented-health-technologies-patients-perspectives-and-use
#2
Amy M Bauer, Tessa Rue, Sean A Munson, Reza Hosseini Ghomi, Gina A Keppel, Allison M Cole, Laura-Mae Baldwin, Wayne Katon
BACKGROUND: For patient-oriented mobile health tools to contribute meaningfully to improving healthcare delivery, widespread acceptance and use of such tools by patients are critical. However, little is known about patients' attitudes toward using health technology and their willingness to share health data with providers. AIMS: To investigate primary care patients' comfort sharing health information through mobile devices, and patients' awareness and use of patient portals...
August 2017: Journal of Mobile Technology in Medicine
https://www.readbyqxmd.com/read/28934152/an-authentication-and-key-management-mechanism-for-resource-constrained-devices-in-ieee-802-11-based-iot-access-networks
#3
Ki-Wook Kim, Youn-Hee Han, Sung-Gi Min
Many Internet of Things (IoT) services utilize an IoT access network to connect small devices with remote servers. They can share an access network with standard communication technology, such as IEEE 802.11ah. However, an authentication and key management (AKM) mechanism for resource constrained IoT devices using IEEE 802.11ah has not been proposed as yet. We therefore propose a new AKM mechanism for an IoT access network, which is based on IEEE 802.11 key management with the IEEE 802.1X authentication mechanism...
September 21, 2017: Sensors
https://www.readbyqxmd.com/read/28929373/security-belt-for-wireless-implantable-medical-devices
#4
Selman Kulaç
In this study, a new protective design compatible with existing non-secure systems was proposed, since it is focused on the secure communication of wireless IMD systems in all transmissions. This new protector is an external wearable device and appears to be a belt fitted around for the patients IMD implanted. However, in order to provide effective full duplex transmissions and physical layer security, some sophisticated transceiver antennas have been placed on the belt. In this approach, beam-focused multi-antennas in optimal positions on the belt are randomly switched when transmissions to the IMD are performed and multi-jammer switching with MRC combining or majority-rule based receiving techniques are applied when transmissions from the IMD are carried out...
September 19, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28929136/allochroic-thermally-activated-delayed-fluorescence-diodes-through-field-induced-solvatochromic-effect
#5
Chunmiao Han, Chunbo Duan, Weibo Yang, Mingchen Xie, Hui Xu
Allochroic organic light-emitting devices (AOLEDs) characterized by field-dependent emissive color variation are promising as visible signal response units for intelligent applications. Most of the AOLEDs were realized by changing their recombination zones or inter- and intramolecular energy transfer, rendering the limited repeatability, stability, and electroluminescence (EL) performance. We report a novel thermally activated delayed fluorescence (TADF) diode that featured a successive and irreversible emission color change from bluish green to deep blue during voltage increase, which uses the significant influence of host polarity on the emission color of TADF dyes, namely, solvatochromic effect...
September 2017: Science Advances
https://www.readbyqxmd.com/read/28928295/real-time-human-respiration-carbon-dioxide-measurement-device-for-cardiorespiratory-assessment
#6
Om Prakash Singh, Teo Aik Howe, Malarvili Balakrishnan
Development of a human respiration carbon dioxide (CO2) measurement device remains a demanding research to evaluate the cardio-respiratory status of human beings since last decades in and out of hospital. Hence, we report a real time, user operable CO2 measurement device using infrared CO2 sensor, Arduino Mega2560, and thin film transistor (TFT, 3.5"), incorporated with low pass (cut-off frequency,10Hz) and moving average (span,8) filters. The proposed device measures features such as partial end-tidal carbon dioxide (EtCO2), respiratory rate (RR), inspired carbon dioxide (ICO2) and newly proposed feature, Hjorth Activity that annotated with a date and time received from real-time clock and stores into the secure digital (SD) card...
September 20, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28926626/do-privacy-and-security-regulations-need-a-status-update-perspectives-from-an-intergenerational-survey
#7
Stacey Pereira, Jill Oliver Robinson, Hayley A Peoples, Amanda M Gutierrez, Mary A Majumder, Amy L McGuire, Mark A Rothstein
BACKGROUND: The importance of health privacy protections in the era of the "Facebook Generation" has been called into question. The ease with which younger people share personal information about themselves has led to the assumption that they are less concerned than older generations about the privacy of their information, including health information. We explored whether survey respondents' views toward health privacy suggest that efforts to strengthen privacy protections as health information is moved online are unnecessary...
2017: PloS One
https://www.readbyqxmd.com/read/28922132/design-of-secure-and-lightweight-authentication-protocol-for-wearable-devices-environment
#8
Ashok Kumar Das, Mohammad Wazid, Neeraj Kumar, Muhammad Khurram Khan, Kim-Kwang Raymond Choo, YoungHo Park
Wearable devices are used in various applications to collect information including step information, sleeping cycles, workout statistics, and health related information. Due to the nature and richness of the data collected by such devices, it is important to ensure the security of the collected data. This paper presents a new lightweight authentication scheme suitable for wearable device deployment. The scheme allows a user to mutually authenticate his/her wearable device(s) and the mobile terminal (e.g., Android and iOS device) and establish a session key among these devices (worn and carried by the same user) for secure communication between the wearable device and the mobile terminal...
September 18, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28922071/implementing-electronic-data-capture-at-a-well-established-health-and-demographic-surveillance-site-in-rural-northern-malawi
#9
Estelle McLean, Albert Dube, Jacky Saul, Keith Branson, Mabvuto Luhanga, Oddie Mwiba, Fredrick Kalobekamo, Steffen Geis, Amelia C Crampin
This article aims to assess multiple issues of resources, staffing, local opinion, data quality, cost, and security while transitioning to electronic data collection (EDC) at a long-running community research site in northern Malawi. Levels of missing and error fields, delay from data collection to availability, and average number of interviews per day were compared between EDC and paper in a complex, repeated annual household survey. Three focus groups with field and data staff with experience using both methods, and in-depth interviews with participants were carried out...
2017: Global Health Action
https://www.readbyqxmd.com/read/28916400/assessing-changes-in-the-activity-levels-of-breast-cancer-patients-during-radiation-therapy
#10
Colin E Champ, Nitin Ohri, Rainer J Klement, Matthew Cantor, Sushil Beriwal, Scott M Glaser, Ryan P Smith
BACKGROUND: Radiation therapy (RT) is often delivered after lumpectomy for women with breast cancer. A common perceived side effect of RT is fatigue, yet its exact effect on activity levels and sleep is unknown. In this study we analyzed the change in activity levels and sleep using an activity tracking device before, during, and after RT for women with early stage breast cancer and ductal carcinoma in situ who underwent adjuvant RT. PATIENTS AND METHODS: After institutional review board approval, activity levels were quantified before, during, and after RT with measurements of steps, miles walked, calories burned, and sleep metrics in 10 women fitted with activity trackers...
August 24, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28915346/a-review-of-chemical-spot-tests-a-presumptive-illicit-drug-identification-technique
#11
REVIEW
Morgan Philp, Shanlin Fu
Chemical 'spot' tests are a presumptive illicit drug identification technique commonly used by law enforcement, border security personnel, and forensic laboratories. The simplicity, low cost and rapid results afforded by these tests make them particularly attractive for presumptive identification globally. In this paper, we review the development of these long-established methods and discuss color test recommendations and guidelines. A search of the scientific literature revealed the chemical reactions occurring in many color tests are either not actively investigated or reported as unknown...
September 15, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28911065/development-of-an-integrated-electronic-platform-for-patient-self-report-and-management-of-adverse-events-during-cancer-treatment
#12
P Holch, L Warrington, L C A Bamforth, A Keding, L E Ziegler, K Absolom, C Hector, C Harley, O Johnson, G Hall, C Morris, G Velikova
Background: Significant adverse events (AE) during cancer therapy disrupt treatment and escalate to emergency admissions. Approaches to improve the timeliness and accuracy of AE reporting may improve safety and reduce health service costs. Reporting AE via patient reported outcomes (PROs), can improve clinician-patient communication and making data available to clinicians in 'real-time' using electronic PROs (ePROs) could potentially transform clinical practice by providing easily accessible records to guide treatment decisions...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28910238/telemanagement-of-heart-failure-patients-across-the-post-acute-care-continuum
#13
Amy Dadosky, Heather Overbeck, Laura Barbetta, Ken Bertke, Maureen Corl, Kathleen Daly, Natasha Hiles, Nancy Rector, Eugene Chung, Santosh Menon
BACKGROUND: Heart failure (HF) is a chronic condition causing nearly 1 million hospital admissions annually in the United States with 25% of patients rehospitalized within 30 days. INTRODUCTION: The purpose of this study was to investigate whether telemanagement of HF patients throughout the post-acute continuum of care would reduce rehospitalization rates and improve patient self-care knowledge and satisfaction. MATERIALS AND METHODS: HF patients discharged to a skilled nursing facility (SNF) received telemanagement by HF clinicians with opportunity for continuation at home with assistance of home healthcare (HHC) nurses...
September 13, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28905891/post-quantum-cryptography
#14
Daniel J Bernstein, Tanja Lange
Cryptography is essential for the security of online communication, cars and implanted medical devices. However, many commonly used cryptosystems will be completely broken once large quantum computers exist. Post-quantum cryptography is cryptography under the assumption that the attacker has a large quantum computer; post-quantum cryptosystems strive to remain secure even in this scenario. This relatively young research area has seen some successes in identifying mathematical operations for which quantum algorithms offer little advantage in speed, and then building cryptographic systems around those...
September 13, 2017: Nature
https://www.readbyqxmd.com/read/28900106/practical-passive-decoy-state-measurement-device-independent-quantum-key-distribution-with-unstable-sources
#15
Li Liu, Fen-Zhuo Guo, Qiao-Yan Wen
Measurement-device-independent quantum key distribution (MDI-QKD) with the active decoy state method can remove all detector loopholes, and resist the imperfections of sources. But it may lead to side channel attacks and break the security of QKD system. In this paper, we apply the passive decoy state method to the MDI-QKD based on polarization encoding mode. Not only all attacks on detectors can be removed, but also the side channel attacks on sources can be overcome. We get that the MDI-QKD with our passive decoy state method can have a performance comparable to the protocol with the active decoy state method...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28895256/relevant-anatomy-morphology-and-implantation-techniques-of-the-dorsal-root-ganglia-at-the-lumbar-levels
#16
Tim Vancamp, Robert M Levy, Isaac Peña, Antonio Pajuelo
OBJECTIVES: While dorsal root ganglion (DRG) stimulation has been available in Europe and Australia for the past five years and in the United States for the past year, there are no published details concerning the optimal procedures for DRG lead implantation. MATERIALS AND METHODS: We describe several techniques that can be applied to implant cylindrical leads over the DRG, highlighting some tips and tricks according to our experiences. Focus is mainly shifted toward implantations in the lumbar area...
September 12, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28894837/dental-occlusion-ties-a-rapid-safe-and-non-invasive-maxillo-mandibular-fixation-technology
#17
Alan W Johnson
OBJECTIVES: For decades, Erich arch bars have been a standard in establishing maxillo-mandibular fixation (MMF). While reliable, the approach risks sharps injury, consumes operating room time, and inflicts gingival trauma. Newer technologies including screw-based techniques and "hybrid" techniques have improved MMF by reducing sharps injuries and operating room time, but risk injury to tooth roots, nerves, and gingiva. This study aims to establish the application, strengths, and limitations of dental occlusion ties as a novel alternative in maxillo-mandibular fixation...
August 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28893464/a-pilot-randomized-controlled-trial-of-novel-dressing-and-securement-techniques-in-101-pediatric-patients
#18
Tricia M Kleidon, Amanda J Ullman, Victoria Gibson, Brett Chaseling, Jason Schoutrop, Gabor Mihalia, Claire M Rickard
PURPOSE: To evaluate feasibility of an efficacy trial comparing peripherally inserted central catheter (PICC) dressing and securement techniques to prevent complications and failure. MATERIALS AND METHODS: This pilot, 3-armed, randomized controlled trial was undertaken at Royal Children's Hospital and Lady Cilento Children's Hospital, Brisbane, Australia, between April 2014 and September 2015. Pediatric participants (N = 101; age range, 0-18 y) were assigned to standard care (bordered polyurethane [BPU] dressing, sutureless securement device), tissue adhesive (TA) (plus BPU dressing), or integrated securement dressings (ISDs)...
September 8, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28892936/hazards-and-health-risks-encountered-by-manual-sand-dredgers-from-udupi-india-a-cross-sectional-study
#19
Sidhiprada Mohapatra, Alfiya Shaikh, Priyanka Nayak, Rajesh Navada
INTRODUCTION: Globalization and urbanization have resulted in an increased demand on sand dredging. Legal and environmental restrictions on automated dredging have led to a rise in manual technique. The working techniques and environment involved in manual sand dredging may expose the workers to multiple work related disorders. AIM: To determine the health risks and occupational hazards involved in manual sand dredging. MATERIALS AND METHODS: An assessment schedule was developed and content was validated by five experts for the study...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28891722/requirements-strengths-and-weaknesses-of-inhaler-devices-for-copd-patients-from-the-expert-prescribers-point-of-view-results-of-the-epoca-delphi-consensus
#20
Francisco García-Río, Juan J Soler-Cataluña, Bernardino Alcazar, José L Viejo, Marc Miravitlles
The study aimed to assess the preferences of expert physicians about the requirements for inhalation devices for patients with chronic obstructive pulmonary disease (COPD) and to identify the most relevant advantages and disadvantages to their prescription. In a two-round Delphi survey, 96 Spanish COPD-expert pulmonologists completed an internet-based questionnaire to evaluate the degree of importance of the characteristics of the inhaler devices in their choice for COPD. The requirements needed for use in COPD were that the device permits a high pulmonary deposit of the drug, allowed its dispensation at low inspiratory flows, did not require hand-mouth coordination, generated an exact and reproducible dose, its operation was easy to teach, provided the perception of a correct inhalation, had an intuitive use mechanism and security mechanisms to prevent overdosing and generates a reduced oropharyngeal deposit (very good consensus)...
September 11, 2017: COPD
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