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https://www.readbyqxmd.com/read/28633770/a-24-month-follow-up-of-a-custom-made-suture-button-assembly-for-syndesmotic-injuries-of-the-ankle
#1
Mohamed A Imam, Ahmed Matthana, Ji Wan Kim, Mohamed Nabil
In the present retrospective analysis, we introduce a custom suture-button fixation device for acute ankle syndesmotic injuries that allows for early weightbearing without another planned operation for hardware removal. We evaluated 87 consecutive ankles in 87 patients (49 males [56.32%] and 38 females [43.68%]). Of the 87 patients, 15 (17.24%) withdrew or were lost to follow-up, leaving 72 patients (82.76%) in the present study. Their mean age was 35.2 (range 17 to 67) years. Nineteen patients (26.39%) presented with a pure syndesmotic disruption, and 53 (73...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633768/comparing-different-surgical-techniques-for-addressing-the-posterior-malleolus-in-supination-external-rotation-ankle-fractures-and-the-need-for-syndesmotic-screw-fixation
#2
Mengnai Li, Rachel C Collier, Brian W Hill, Nathaniel Slinkard, Thuan V Ly
Trimalleolar ankle fractures are unstable injuries with possible syndesmotic disruption. Recent data have described inherent morbidity associated with screw fixation of the syndesmosis, including the potential for malreduction, hardware irritation, and post-traumatic arthritis. The posterior malleolus is an important soft tissue attachment for the posterior inferior syndesmosis ligament. We hypothesized that fixation of a sizable posterior malleolar (PM) fracture in supination external rotation type IV (SER IV) ankle fractures would act to stabilize the syndesmosis and minimize or eliminate the need for trans-syndesmotic fixation...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28632545/computer-assisted-minimally-invasive-transforaminal-lumbar-interbody-fusion-may-be-better-than-open-surgery-for-treating-degenerative-lumbar-disease
#3
Wei Tian, Yun-Feng Xu, Bo Liu, Ya-Jun Liu, Da He, Qiang Yuan, Zhao Lang, Xiao-Guang Han
STUDY DESIGN: This study was a retrospective review of prospectively collected clinical data. OBJECTIVE: To evaluate the clinical and radiologic outcomes of computer-assisted minimally invasive spine surgery transforaminal lumbar interbody fusion (CAMISS-TLIF) and open TLIF for the treatment of 1-level degenerative lumbar disease. SUMMARY OF BACKGROUND DATA: Minimally invasive TLIF is becoming increasingly popular; however, the limited space and high rate of hardware complications associated with this method are challenging to surgeons...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28632533/investigation-of-two-prototypes-of-novel-noncontact-technologies-for-automated-real-time-capture-of-incremental-drug-administration-data-from-syringes
#4
Benjamin Eagle, David J Williams, John Dingley
BACKGROUND: An ideal electronic anesthesia recording system would be capable of not only recording physiological data but also injectable drug doses given, including those given incrementally from one syringe, without recourse to manual data entry. We compared 2 prototype devices which wirelessly recognized individual syringes and measured changes in their plunger positions via 2 different optical noncontact means, allowing calculation of incremental drug doses given. METHODS: Both devices incorporated a radio-frequency identification reader, which wirelessly read a unique code from a radio-frequency identification tag within syringe drug labels...
June 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28632436/development-of-computer-algorithm-for-editing-of-next-generation-sequencing-metagenome-data
#5
Radhika Khanna, Sangeeta Mittal, Sujata Mohanty
The successful implementation of the advanced sequencing technology, the next generation sequencing (NGS) motivates scientists from diverse fields of biological research especially from genomics and transcriptomics in generating large genomic data set to make their analysis more robust and come up with strong inference. However, exploiting this huge genomic data set becomes a challenge for the molecular biologists. To corroborate this problem, computational software and hardware are being developed in parallel and become an integral part of life science...
June 20, 2017: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/28631382/a-phase-ii-trial-evaluating-the-feasibility-of-adding-bevacizumab-to-standard-osteosarcoma-therapy
#6
Fariba Navid, Victor M Santana, Michael Neel, M Beth McCarville, Barry L Shulkin, Jianrong Wu, Catherine A Billups, Shenghua Mao, Vinay M Daryani, Clinton F Stewart, Michelle Kunkel, Wendene Smith, Deborah Ward, Alberto S Pappo, Armita Bahrami, David M Loeb, Jennifer Reikes Willert, Bhaskar N Rao, Najat C Daw
Increased vascular endothelial growth factor (VEGF) expression in osteosarcoma correlates with a poor outcome. We conducted a phase II trial to evaluate the feasibility and efficacy of combining bevacizumab, a monoclonal antibody against VEGF, with methotrexate, doxorubicin and cisplatin (MAP) in patients with localized osteosarcoma. Eligible patients received 2 courses of MAP chemotherapy before definitive surgery at week 10. Bevacizumab (15 mg/kg) was administered 3 days before starting chemotherapy then on day 1 of weeks 3 and 5 of chemotherapy...
June 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28630948/near-theoretical-gigabit-link-efficiency-for-distributed-data-acquisition-systems
#7
Faisal T Abu-Nimeh, Woon-Seng Choong
Link efficiency, data integrity, and continuity for high-throughput and real-time systems is crucial. Most of these applications require specialized hardware and operating systems as well as extensive tuning in order to achieve high efficiency. Here, we present an implementation of gigabit Ethernet data streaming which can achieve 99.26% link efficiency while maintaining no packet losses. The design and implementation are built on OpenPET, an opensource data acquisition platform for nuclear medical imaging, where (a) a crate hosting multiple OpenPET detector boards uses a User Datagram Protocol over Internet Protocol (UDP/IP) Ethernet soft-core, that is capable of understanding PAUSE frames, to stream data out to a computer workstation; (b) the receiving computer uses Netmap to allow the processing software (i...
March 2017: IEEE transactions on radiation and plasma medical sciences
https://www.readbyqxmd.com/read/28630751/correction-manoeuvres-in-the-surgical-treatment-of-spinal-deformities
#8
Alpaslan Senkoylu, Mehmet Cetinkaya
Correction manoeuvres are as important as the other issues such as hardware selection, graft options, fusion and osteotomy techniques in the surgical treatment of spinal deformities.The property of materials demonstrating both viscous and elastic characteristics when undergoing deformation is called visco-elasticity. Purely elastic materials change in shape with a stress, and go back to their initial form when the stress is removed. However, visco-elastic materials, like the spine, may protect their new formation unless a back stress is applied...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28629141/graph-based-cooperative-localization-using-symmetric-measurement-equations
#9
Dhiraj Gulati, Feihu Zhang, Daniel Clarke, Alois Knoll
Precise localization is a key requirement for the success of highly assisted or autonomous vehicles. The diminishing cost of hardware has resulted in a proliferation of the number of sensors in the environment. Cooperative localization (CL) presents itself as a feasible and effective solution for localizing the ego-vehicle and its neighboring vehicles. However, one of the major challenges to fully realize the effective use of infrastructure sensors for jointly estimating the state of a vehicle in cooperative vehicle-infrastructure localization is an effective data association...
June 17, 2017: Sensors
https://www.readbyqxmd.com/read/28628156/-atlantoaxial-reduction-and-fixation-guided-by-the-intraoperative-ct
#10
(no author information available yet)
OBJECTIVE: To evaluate the clinical result of atlantoaxial reduction and fixation guided by the intraoperative CT. METHODS: Sixteen cases were retrospectively studied, including seven males and nine females, with the mean age of 49.9 years. Twelve cases were diagnosed as chronic atlantoaxial instability or dislocation, while four cases as acute odontoid fracture and dislocation. Among the sixteen cases, fourteen underwent atlantoaxial fusion, while two underwent temporary atlantoaxial fixation without fusion...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28627224/real-time-smart-textile-based-system-to-monitor-pressure-offloading-of-diabetic-foot-ulcers
#11
Andrea Raviglione, Roberto Reif, Maurizio Macagno, Davide Vigano, Justin Schram, David Armstrong
BACKGROUND: The lifetime risk of developing a diabetic foot ulcer (DFU) is at least 25%. A DFU carries a 50% risk for infection and at least 20% of those receive some form of amputation. The most significant parameter that prevents or delays ulcer healing is high plantar pressure. To improve the patient's healing process, the DFU's plantar pressure should remain cumulatively low. Therefore, a tool that continuously measures the DFU loading, and provides real-time feedback can improve the healing outcome...
February 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28623479/fast-calibration-of-electromagnetically-tracked-oblique-viewing-rigid-endoscopes
#12
Xinyang Liu, Christina E Rice, Raj Shekhar
PURPOSE: The oblique-viewing (i.e., angled) rigid endoscope is a commonly used tool in conventional endoscopic surgeries. The relative rotation between its two moveable parts, the telescope and the camera head, creates a rotation offset between the actual and the projection of an object in the camera image. A calibration method tailored to compensate such offset is needed. METHODS: We developed a fast calibration method for oblique-viewing rigid endoscopes suitable for clinical use...
June 16, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28623400/a-novel-eyelid-motion-monitor
#13
Adi Hanuka, Maor Itzhak, Alon Berger, Mony Orbach, Eli Shoshan, Levi Schächter, Daniel Briscoe
BACKGROUND: Eyelid motion analysis can provide important information about ophthalmic, neurologic, and systemic diseases. Routine assessment of eyelid function is currently based mainly on clinical examination estimating Levator Function and static palpebral fissure measurements. Most clinical tools developed to date are cumbersome expensive and difficult to operate. Currently there is no widely available, affordable device providing user friendly precision based evaluation of eyelid kinematics...
June 16, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28623354/tomographic-particle-image-velocimetry-using-smartphones-and-colored-shadows
#14
Andres A Aguirre-Pablo, Meshal K Alarfaj, Er Qiang Li, J F Hernández-Sánchez, Sigurdur T Thoroddsen
We demonstrate the viability of using four low-cost smartphone cameras to perform Tomographic PIV. We use colored shadows to imprint two or three different time-steps on the same image. The back-lighting is accomplished with three sets of differently-colored pulsed LEDs. Each set of Red, Green & Blue LEDs is shone on a diffuser screen facing each of the cameras. We thereby record the RGB-colored shadows of opaque suspended particles, rather than the conventionally used scattered light. We subsequently separate the RGB color channels, to represent the separate times, with preprocessing to minimize noise and cross-talk...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623319/fast-projection-matching-for-x-ray-tomography
#15
Chun-Chieh Wang, Cheng-Cheng Chiang, Biqing Liang, Gung-Chian Yin, Yi-Tse Weng, Liang-Chi Wang
X-ray 3D tomographic techniques are powerful tools for investigating the morphology and internal structures of specimens. A common strategy for obtaining 3D tomography is to capture a series of 2D projections from different X-ray illumination angles of specimens mounted on a finely calibrated rotational stage. However, the reconstruction quality of 3D tomography relies on the precision and stability of the rotational stage, i.e. the accurate alignment of the 2D projections in the correct three-dimensional positions...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622664/mechanical-imaging-of-soft-tissues-with-a-highly-compliant-tactile-sensing-array
#16
Bin Li, Ye Shi, Adam K Fontecchio, Yon Visell
The mechanical imaging of lumps in tissues via surface measurements can permit the noninvasive detection of disease-related differences in body tissues. In routine clinical palpation, physicians frequently make decisions based on mechanical properties that they infer from tactile information felt via touch, but these examinations currently yield little quantitative information. This has motivated the development of electronic methods for mechanical imaging. However, conventional tactile sensors are rigid, unable to conform to curved geometries, and are not adaptable to the shape of all body parts, limiting their applicability in biomedical sensing applications...
June 13, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28622420/technical-note-comparison-of-megavoltage-dual-energy-and-single-energy-ct-based-%C3%AE-maps-for-a-4-channel-breast-coil-in-pet-mri
#17
John C Patrick, R Terry Thompson, Aaron So, John Butler, David Faul, Robert Z Stodilka, Slav Yartsev, Frank S Prato, Stewart Gaede
PURPOSE: The purpose of this study was to describe and evaluate methods for calculating a megavoltage computed tomography (MVCT) derived MR hardware attenuation map (μ-map) and dual-energy CT (DECT) for 511 keV photons. METHODS: Phantom measurements were acquired on a whole-body hybrid PET/MRI system, using a four-channel receive-only MR radiofrequency (RF) breast coil. Two acquisitions were performed: with the phantoms positioned in the four-channel RF breast coil, and without the breast coil...
June 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28622373/a-versatile-and-low-cost-open-source-pipetting-robot-for-automation-of-toxicological-and-ecotoxicological-bioassays
#18
Sebastian Steffens, Leonie Nüßer, Thomas-Benjamin Seiler, Nadine Ruchter, Mark Schumann, Ricarda Döring, Catrina Cofalla, Avi Ostfeld, Elad Salomons, Holger Schüttrumpf, Henner Hollert, Markus Brinkmann
In the past decades, bioassays and whole-organism bioassay have become important tools not only in compliance testing of industrial chemicals and plant protection products, but also in the monitoring of environmental quality. With few exceptions, such test systems are discontinuous. They require exposure of the biological test material in small units, such as multiwell plates, during prolonged incubation periods, and do not allow online read-outs. It is mostly due to these shortcomings that applications in continuous monitoring of, e...
2017: PloS One
https://www.readbyqxmd.com/read/28618085/improved-localization-spectral-quality-and-repeatability-with-advanced-mrs-methodology-in-the-clinical-setting
#19
Dinesh K Deelchand, Kejal Kantarci, Gülin Öz
PURPOSE: To investigate the utility of an advanced magnetic resonance spectroscopy (MRS) protocol in the clinical setting, and to compare the localization accuracy, spectral quality, and quantification repeatability between this advanced and the conventional vendor-provided MRS protocol on a clinical 3T platform. METHODS: Proton spectra were measured from the posterior cingulate cortices in 30 healthy elderly subjects by clinical MR technologists using a vendor-provided (point resolved spectroscopy with advanced 3D gradient-echo B0 shimming) and an advanced (semi-LASER with FAST(EST)MAP shimming) protocol, in random order...
June 15, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28615985/treatment-of-movement-disorders-with-focused-ultrasound
#20
REVIEW
Paul S Fishman, Victor Frenkel
Although the use of ultrasound as a potential therapeutic modality in the brain has been under study for several decades, relatively few neuroscientists or neurologists are familiar with this technology. Stereotactic brain lesioning had been widely used as a treatment for medically refractory patients with essential tremor (ET), Parkinson disease (PD), and dystonia but has been largely replaced by deep brain stimulation (DBS) surgery, with advantages both in safety and efficacy. However, DBS is associated with complications including intracerebral hemorrhage, infection, and hardware malfunction...
2017: Journal of Central Nervous System Disease
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