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https://www.readbyqxmd.com/read/28092341/unilateral-spinous-process-non-covering-hook-type-patient-specific-drill-template-for-thoracic-pedicle-screw-fixation-a-pilot-clinical-trial-and-template-classification
#1
Sang Bum Kim, Yougun Won, Hyun Jin Yoo, Lee Jae Sin, John M Rhee, Sang Wook Lee, Gi-Soo Lee
STUDY DESIGN: Prospective Clinical Pilot tudy OBJECTIVE.: To confirm the accuracy of thoracic pedicle screw placement by using the unilateral spinous non-covering hook type patient-specific drill template (PSDT) made through rapid prototyping (RP) and to analyze previously reported PSDT designs and their characteristics. SUMMARY OF BACKGROUND DATA: Pedicle screw fixation is the most common form of the posterior instrumentation of the thoracic and lumbar spine. Various techniques have been introduced to improve pedicle screw placement...
January 13, 2017: Spine
https://www.readbyqxmd.com/read/28091812/erratum-to-rib-resection-using-a-pneumatic-high%C3%A2-speed-power-drill-system-for-lung-cancer-with-chest-wall-invasion-our-clinical-experience
#2
Yuichiro Ueda, Tatsuo Nakagawa, Toshiya Toyazaki, Naohisa Chiba, Masashi Gotoh
No abstract text is available yet for this article.
January 13, 2017: Surgery Today
https://www.readbyqxmd.com/read/28090138/agility-training-in-young-elite-soccer-players-promising-results-compared-to-change-of-direction-drills
#3
A Chaalali, M Rouissi, M Chtara, A Owen, N L Bragazzi, W Moalla, A Chaouachi, M Amri, K Chamari
The aim of this study was to compare the effect of two different training programmes - change of direction (COD) vs. agility (AG) - on straight sprint (SS), COD and AG test performances in young elite soccer players. Thirty-two soccer players (age: 14.5±0.9 years; height: 171.2±5.1 cm; body mass: 56.4±7.1 kg, body fat: 10.3±2.3%) participated in a short-term (6 weeks) training study. Players were randomly assigned to two experimental groups - training with change of direction drills (COD-G, n=11) or using agility training (AG-G, n= 11) - and to a control group (CON-G, n=10)...
December 2016: Biology of Sport
https://www.readbyqxmd.com/read/28088942/a-distal-lock-electromagnetic-targeting-device-for-intramedullary-nailing-suggestions-and-clinical-experience
#4
Guido Antonini, Wilfried Stuflesser, Cornelio Crippa, Georgios Touloupakis
PURPOSE: To describe our clinical experience with a system named SureShot? Distal Targeting (Smith & Nephew, Memphis, USA) based on magnetic field presence and discuss our suggestions on this technique. METHODS: We analysed prospectively 47 patients affected by humeral, tibial or femoral fractures, treated in our institution during a 3-year period of time (August 2010 to September 2013). We considered the following parameters: the time to set up, the time to position a single screw, the effectiveness of the system (drilling ad screwing), the irradiation exposure time during distal locking procedure and surgical complications...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28088705/ultrasonic-compaction-of-granular-geological-materials
#5
Andrew Feeney, Sakalima Sikaneta, Patrick Harkness, Margaret Lucas
It has been shown that the compaction of granular materials for applications such as pharmaceutical tableting and plastic moulding can be enhanced by ultrasonic vibration of the compaction die. Ultrasonic vibrations can reduce the compaction pressure and increase particle fusion, leading to higher strength products. In this paper, the potential benefits of ultrasonics in the compaction of geological granular materials in downhole applications are explored, to gain insight into the effects of ultrasonic vibrations on compaction of different materials commonly encountered in sub-sea drilling...
January 5, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28086822/assessment-of-quality-of-care-among-in-patients-with-postpartum-haemorrhage-and-severe-pre-eclampsia-at-st-francis-hospital-nsambya-a-criteria-based-audit
#6
Alfred Lumala, Peter Sekweyama, Andrew Abaasa, Humphrey Lwanga, Romano Byaruhanga
BACKGROUND: The maternal mortality ratio of Uganda is still high and the leading causes of maternal mortality are postpartum haemorrhage (PPH), severe pre-eclampsia and eclampsia. Criteria-based audit (CBA) is a way of improving quality of care that has not been commonly used in low income countries. This study aimed at finding out the quality of care provided to patients with these conditions and to find out if the implementation of recommendations from the audit cycle resulted in improvement in quality of care...
January 13, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28079677/cadaveric-testing-of-robot-assisted-access-to-the-internal-auditory-canal-for-vestibular-schwannoma-removal
#7
Neal P Dillon, Ramya Balachandran, Michael A Siebold, Robert J Webster, George B Wanna, Robert F Labadie
HYPOTHESIS: An image-guided robotic system can safely perform the bulk removal of bone during the translabyrinthine approach to vestibular schwannoma (VS). BACKGROUND: The translabyrinthine approach to VS removal involves extensive manual milling in the temporal bone to gain access to the internal auditory canal (IAC) for tumor resection. This bone removal is time consuming and challenging due to the presence of vital anatomy (e.g., facial nerve) embedded within the temporal bone...
January 10, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28078781/a-novel-conversion-method-for-radiographic-guide-into-surgical-guide
#8
Yao-Te Peng, Chung-Chih Tseng, Yi-Chun Du, Yen-Nien Chen, Chih-Han Chang
BACKGROUND: The study proposed a novel method for converting a radiographic guide into a surgical guide and evaluated its accuracy. MATERIALS AND METHODS: Radiographic guide was reformed with the addition of index rods for geometric conversion method (GCM). Planning implants were projected on geometric projection planes, and the implant positions were measured. The radiographic guide was converted into surgical guide using a generic bench drill machine with GCM data...
January 11, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28078673/training-kindergarten-students-lockdown-drill-procedures-using-behavioral-skills-training
#9
Misty Jo Dickson, Kristina K Vargo
During situations in which a gunman is present on a school campus, lockdowns are initiated until the threat is removed. However, there are no data demonstrating an effective teaching strategy to increase students' correct responding during a lockdown. We evaluated the effectiveness of behavioral skills training (BST) to teach three groups of kindergarten students how to respond during lockdown drills. Results showed that participant groups displayed increases in correct steps and decreases in noise levels after BST was implemented; these effects maintained following training...
January 11, 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/28074366/improved-slant-drilling-well-for-in-situ-remediation-of-groundwater-and-soil-at-contaminated-sites
#10
Yasuhide Furukawa, Kazuhiro Mukai, Keisuke Ohmura, Takeshi Kobayashi
Soil contamination has become a crucial issue in urban redevelopment. Japan has many contaminated sites on which manufacturing has been conducted over several decades. Site holders are now under pressure to manage chemical contamination; however, the use of heavy machinery is difficult in remedial operations on restricted sites, especially where there are still working factories. The slant well is a potentially useful technique in such settings, but its use is technically challenging because of the need for high drilling accuracy and the difficulty in sealing the slanted bores...
January 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28074281/one-step-cad-cam-titanium-cranioplasty-after-drilling-template-assisted-resection-of-intraosseous-skull-base-meningioma-technical-note
#11
A Carolus, S Weihe, K Schmieder, C Brenke
INTRODUCTION: Cranial defects following intra-osseous tumor removal may be large and require adequate reconstruction. CAD/CAM implants have been used for years to achieve an optimal cosmetic result. The disadvantage is that such implants require a second surgery. A preoperative virtual planning of resection margins and the simultaneously fabrication of the cranioplasty could be a possibility to subsume the steps tumor resection and cosmetic restoration to a single procedure. METHODS: We present two cases of patients with complex intra-osseous spheno-orbital meningioma...
January 10, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28073485/spatial-distribution-and-sources-of-organic-matter-and-pollutants-in-the-se-mediterranean-levantine-basin-deep-water-sediments
#12
P Astrahan, J Silverman, Y Gertner, B Herut
A study of deep sea sediment quality was conducted at 52 stations off the Mediterranean coast of Israel (50-1900m depth). Total Organic Carbon (TOC), Polycyclic Aromatic Hydrocarbons (∑PAHs), Poly Chlorinated Biphenyls (∑PCBs) ranged between 0.58 and 1.44%, 12-190 and <0.3-7.7μgkg(-1), respectively. The TOC distribution indicated the Nile delta as an important source of organic matter and the important effect of topography on deposition patterns in this region. PCBs and PAHs quantitative levels were associated with nearby gas well drilling and dredge-material dumping sites...
January 8, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28073305/human-amniotic-mesenchymal-stromal-cells-as-favourable-source-for-cartilage-repair
#13
Emma Muinos-López, Tamara Hermida-Gómez, Isaac Fuentes-Boquete, Francisco Javier de Toro-Santos, Francisco J Blanco, Silvia María Díaz-Prado
INTRODUCTION: Localized trauma-derived breakdown of the hyaline articular cartilage may progress towards osteoarthritis, a degenerative condition characterized by total loss of articular cartilage and joint function. Tissue engineering technologies encompass several promising approaches with high therapeutic potential for the treatment of these focal defects. However, most of the research in tissue engineering is focused on potential materials and structural cues, while little attention is directed to the most appropriate source of cells endowing these materials...
January 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28072740/keyhole-approach-in-the-neuroendoscopic-treatment-for-hydrocephalus
#14
Qiang Cai, Xiangyang Zhang, Long Wang, Shulan Huang, Zhibiao Chen, Qianxue Chen
The aim of the study was to explore keyhole approach and dura suture in the neuroendoscopic treatment for hydrocephalus.Twelve cases of hydrocephalus patients who were treated with neuroendoscope by this approach were analyzed retrospectively from April 2015 to April 2016 in our department. The basic steps of this procedure was using drill and milling cutter to form a small bone flap instead of burr hole, and then making a cruciate incision on the dura. After endoscopic third ventriculostomy or endoscopic third ventriculostomy + ventriculocystostomy finished, dura was sutured and the bone flap was reset...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28069428/high-concentrations-of-lead-and-barium-in-hair-of-the-rural-population-caused-by-water-pollution-in-the-thar-jath-oilfields-in-south-sudan
#15
Fritz Pragst, Klaus Stieglitz, Hella Runge, Klaus-Dietrich Runow, David Quig, Robert Osborne, Christian Runge, John Ariki
In the oil fields of Thar Jath, South Sudan, increasing salinity of drinking water was observed together with human incompatibilities and rise in livestock mortalities. Hair analysis was used to characterize the toxic exposure of the population. Hair samples of volunteers from four communities with different distance from the center of the oil field (Koch 23km, n=24; Leer 50km, n=26; Nyal 110km, n=21; and Rumbek 220km, n=25) were analyzed for altogether 39 elements by inductively coupled plasma-mass spectrometry...
December 23, 2016: Forensic Science International
https://www.readbyqxmd.com/read/28069224/a-method-for-water-well-regeneration-based-on-shock-waves-and-ultrasound
#16
Anna V Abramova, Vladimir O Abramov, Vadim M Bayazitov, Roman V Nikonov
The regeneration of water wells is an urgent problem nowadays, when drilling of new wells becomes more and more expensive. Formation damage leads to a reduction of the formation's permeability and/or pore volume which in turn inhibits the ability of the water to flow from the reservoir formation into the wellbore. A new technology that uses high-power ultrasound to remove formation damage of water wells has been developed. The effectiveness of regeneration of wells can be enhanced if ultrasound and shockwaves are used during the same treatment...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28069196/research-on-ultrasonic-excitation-for-the-removal-of-drilling-fluid-plug-paraffin-deposition-plug-polymer-plug-and-inorganic-scale-plug-for-near-well-ultrasonic-processing-technology
#17
Zhenjun Wang, Jing Zeng, Hao Song, Feng Li
Near-well ultrasonic processing technology attracts more attention due to its simple operation, high adaptability, low cost and no pollution to the formation. Although this technology has been investigated in detail through laboratory experiments and field tests, systematic and intensive researches are absent for certain major aspects, such as whether ultrasonic excitation is better than chemical agent for any plugs removal; whether ultrasound-chemical combination plug removal technology has the best plugs removal effect...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28068966/glenoid-morphology-in-light-of-anatomical-and-reverse-total-shoulder-arthroplasty-a-dissection-and-3d-ct-based-study-in-male-and-female-body-donors
#18
Sandra Mathews, Marco Burkhard, Nabil Serrano, Karl Link, Martin Häusler, Nakita Frater, Ingeborg Franke, Helena Bischofberger, Florian M Buck, Dominic Gascho, Michael Thali, Steffen Serowy, Magdalena Müller-Gerbl, Gareth Harper, Ford Qureshi, Thomas Böni, Hans-Rudolf Bloch, Oliver Ullrich, Frank-Jakobus Rühli, Elisabeth Eppler
BACKGROUND: Placement of the glenoid baseplate is of paramount importance for the outcome of anatomical and reverse total shoulder arthroplasty. However, the database around glenoid size is poor, particularly regarding small scapulae, for example, in women and smaller individuals, and is derived from different methodological approaches. In this multimodality cadaver study, we systematically examined the glenoid using morphological and 3D-CT measurements. METHODS: Measurements of the glenoid and drill hole tunnel length for superior baseplate screw placement were recorded to define size of the glenoid and the distance to the scapular notch on cadaveric specimens...
January 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28068271/significant-shear-bond-strength-improvements-of-a-resin-modified-glass-ionomer-cement-with-a-resin-coating
#19
Michael T Stallings, Daniel C Stoeckel, Kenneth G Rawson, Dan B Welch
Previous evidence has suggested that resin-modified glass ionomer cements (RMGICs) may be sensitive to temperature and moisture changes for the first 24 hours after photopolymerization. To test the hypothesis that a resin coating placed over the surface of an RMGIC restoration would decrease the susceptibility to moisture and temperature conditions, 44 RMGIC samples were prepared in inverted-cone recesses drilled in epoxy resin plates. After abrasion of all samples with 800-grit silicon carbide paper to simulate a diamond bur finish on the surface, a coat of highly filled resin was applied to the experimental group (n = 22) and cured according to the manufacturer's instructions...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28068165/physiological-and-perceived-effects-of-forearm-or-head-cooling-during-simulated-firefighting-activity-and-rehabilitation
#20
Susan Yeargin, Amy L McKenzie, Lindsey E Eberman, J Derek Kingsley, David J Dziedzicki, Patrick Yoder
CONTEXT:  Cooling devices aim to protect firefighters by attenuating a rise in body temperature. Devices for head cooling (HC) while firefighting and forearm cooling (FC) during rehabilitation (RHB) intervals are commonly marketed, but research regarding their efficacy is limited. OBJECTIVE:  To investigate the physiological and perceived effects of HC and FC during firefighting drills and RHB. DESIGN:  Randomized controlled clinical trial...
November 2016: Journal of Athletic Training
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