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https://www.readbyqxmd.com/read/28547074/laser-assisted-hatching-of-human-embryos-may-two-alternative-approaches-thinning-versus-drilling-impact-on-implant-rate
#1
Francesco Padula, Stella Capriglione, Paola Iaconianni, Simona Gatti, Assunta Lippa, Salvatrice Elisa Minutolo, Diana Giannarelli, Claudio Giorlandino
No abstract text is available yet for this article.
May 25, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28545726/closed-tibial-shaft-fractures-treated-with-the-ilizarov-method-a-ten-year-case-series
#2
Jonathan David May, Thumri Paavana, Jonathan McGregor-Riley, Simon Royston
OBJECTIVES: To review the outcomes of patients treated with the Ilizarov method for an isolated, closed, simple diaphyseal, Tibial fracture at our institution over the last decade. METHODS: The Ilizarov frame database was used to identify 76 skeletally mature patients who sustained an isolated, closed, extra-articular, simple, diaphyseal Tibial fracture; the injury also known as a "nail-able Tibial fracture." RESULTS: The average age of the patient was 38 (17-70)...
May 15, 2017: Injury
https://www.readbyqxmd.com/read/28544676/robotic-distal-locking-of-intramedullary-nailing-technical-description-and-cadaveric-testing
#3
Martin Panzica, Eduardo M Suero, Ralf Westphal, Musa Citak, Emmanouil Liodakis, Nael Hawi, Max Petri, Christian Krettek, Timo Stuebig
Interlocked intramedullary nailing is the treatment of choice for femoral shaft fractures. However, distal locking is a technically challenging part of the procedure that can result in distal femoral malrotation and high radiation exposure. We have tested a robotic procedure for robotic distal locking based on the computation of a drilling trajectory on two calibrated fluoroscopic images. Twenty distal holes were attempted in ten cadaveric femur specimens. Successful screw hole drilling was achieved at the first attempt in each of the ten specimens (20 drill holes in total)...
May 23, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28542147/restricting-the-induction-of-ngf-in-ovarian-stroma-engenders-selective-follicular-activation-through-the-mtor-signaling-pathway
#4
Yuanlin He, Xiaoxu Peng, Tinghe Wu, Weijie Yang, Wenwen Liu, Jing Zhang, Yiping Su, Feifei Kong, Xiaowei Dou, Jing Li
In mammalian ovaries, primordial follicles remain in a quiescent state until activation by the surrounding microenvironment. Ovarian intervention, for example, ovarian cystectomy, ovarian wedge resection or laser drilling therapies for polycystic ovarian syndrome, has long been reported to change follicular development by an unknown mechanism(s). Herein, we established a murine model with partial ovarian resection of one ovary unilaterally, with the contralateral ovary undamaged. We found the injury accelerated follicular activation and development through the mTORC1 signaling pathway...
May 25, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28542042/comparison-between-cortical-drill-and-cortical-tap-and-their-influence-on-primary-stability-of-macro-thread-tapered-implant-in-thin-crestal-cortical-bone-and-low-density-bone
#5
Dasom Heo, Young-Ku Heo, Jong-Ho Lee, Jun-Jae Lee, Bongju Kim
OBJECTIVE: To evaluate the effect of different surgical techniques on primary stability, particularly in poor-quality bone with or without a crestal cortical bone. MATERIALS AND METHODS: Three implant site preparation techniques-undersized drilling (UD), undersized drilling and coronal widening with a cortical drill (UD + CD), undersized drilling and coronal tapping with a cortical tap (UD + CT)-were compared in 2 different low-density polyurethane bone models either with or without the crestal cortical bone...
May 23, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28542041/effect-of-the-combination-of-low-speed-drilling-and-cooled-irrigation-fluid-on-intraosseous-heat-generation-during-guided-surgical-implant-site-preparation-an-in-vitro-study
#6
Ibrahim Barrak, Arpad Joób-Fancsaly, Endre Varga, Kristof Boa, Jozsef Piffko
PURPOSE: Investigating the effect of the combination of low-speed drilling and cooled irrigation fluid on intraosseous temperature rise during guided and freehand implant surgery. MATERIALS AND METHODS: Bovine ribs were used as bone specimens. Grouping determinants were as follows: drill diameter (2.0, 2.5, 3.0, and 3.5 mm), irrigation fluid temperature (10°C, 15°C, and 20°C), and surgical method (guided and freehand). Drilling speed was 800 rpm. Results were compared with previous ones using 1200 rpm...
May 23, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28540776/computed-tomography-guided-radiofrequency-ablation-of-intra-articular-osteoid-osteoma-a-single-centre-s-experience
#7
D K Filippiadis, G Velonakis, C Kostantos, V Kouloulias, E Brountzos, N Kelekis, A Kelekis
OBJECTIVE: To evaluate safety and efficacy of radiofrequency ablation (RFA) in the treatment of painful intra-articular osteoid osteoma. MATERIALS AND METHODS: During the last 3 years, 15 patients underwent computed tomography (CT)-guided biopsy and RFA of symptomatic intra-articular osteoid osteoma. In order to assess and sample the nidus, a coaxial bone biopsy system was used. Biopsy was performed and followed by ablation session with osteoid osteoma protocol in all cases...
March 1, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28540754/zero-order-release-and-bioavailability-enhancement-of-poorly-water-soluble-vinpocetine-from-self-nanoemulsifying-osmotic-pump-tablet
#8
Sally A El-Zahaby, Mohamed H H AbouGhaly, Ghada A Abdelbary, Omaima N El-Gazayerly
Solid self-nanoemulsifying (S-SNEDDS) asymmetrically coated osmotic tablets of the poorly water-soluble drug Vinpocetine (VNP) were designed. The aim was to control the release of VNP by the osmotic technology taking advantage of the solubility and bioavailability-enhancing capacity of S-SNEDDS. Liquid SNEDDS loaded with 2.5 mg VNP composed of Maisine™ 35-1, Transcutol® HP and Cremophor(®) EL was adsorbed on the solid carrier Aeroperl(®). S-SNEDDS was mixed with the osmotic tablet excipients (Sodium chloride, Avicel(®), HPMC-K4M, PVP-K30 and Lubripharm(®)), then directly compressed to form the core tablet...
May 25, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28540513/utility-of-3d-printed-temporal-bones-in-pre-surgical-planning-for-complex-bonebridge-cases
#9
Payal Mukherjee, Kai Cheng, Sean Flanagan, Simon Greenberg
With the advent of single-sided hearing loss increasingly being treated with cochlear implantation, bone conduction implants are reserved for cases of conductive and mixed hearing loss with greater complexity. The BoneBridge (BB, MED-EL, Innsbruck, Austria) is an active fully implantable device with no attenuation of sound energy through soft tissue. However, the floating mass transducer (FMT) part of the device is very bulky, which limits insertion in complicated ears. In this study, 3D printed temporal bones of patients were used to study its utility in preoperative planning on complicated cases...
May 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28540473/innovative-use-of-single-incision-internal-fixation-of-distal-clavicle-fractures-augmented-with-coracoclavicular-stabilisation
#10
Rajpal Nandra, Tomasz Kowalski, Socrates Kalogrianitis
INTRODUCTION: The management of displaced fractures of the distal clavicle remains controversial, particularly in younger patients where there is no consensus as to which surgical intervention is best. Each surgical method has unique surgical complications and rates of persistent pain and post-traumatic arthritis. We report an innovative surgical technique using a plate fixation augmented with minimally invasive tension slide coracoclavicular fixation using a cortical tenodesis button (8...
May 24, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28539248/percutaneously-drilling-through-femoral-head-and-neck-fenestration-combining-with-compacted-autograft-for-early-femoral-head-necrosis-a-retrospective-study
#11
Donghai Li, Xiaowei Xie, Pengde Kang, Bin Shen, Fuxing Pei, Changde Wang
BACKGROUND: The purpose of this study was to evaluate the clinical results, survivorship and quick rehabilitation effects of modified surgery of percutaneously drilling and decompression through femoral head and neck fenestration combined with compacted autograft for early femoral head necrosis. METHODS: We conducted a retrospective cohort study with 83 hips performed percutaneous decompression through femoral head and neck fenestration (Modified group) combined with autogenous bone grafting for early ONFH...
May 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28538298/quantifying-the-high-speed-running-and-sprinting-profiles-of-elite-female-soccer-players-during-competitive-matches-using-an-optical-player-tracking-system
#12
Jocelyn K Mara, Kevin G Thompson, Kate L Pumpa, Stuart Morgan
Mara, JK, Thompson, KG, Pumpa, KL, and Morgan, S. Quantifying the high-speed running and sprinting profiles of elite female soccer players during competitive matches using an optical player tracking system. J Strength Cond Res 31(6): 1500-1508, 2017-The aim of this study was to determine the high-speed running and sprinting profiles of elite female soccer players during competitive matches using a new Optical Player Tracking system. Eight stationary video cameras were positioned at vantage points surrounding the soccer field so that when each camera view was combined, the entire field could be viewed simultaneously...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28536978/a-6-dof-parallel-bone-grinding-robot-for-cervical-disc-replacement-surgery
#13
Heqiang Tian, Chenchen Wang, Xiaoqing Dang, Lining Sun
Artificial cervical disc replacement surgery has become an effective and main treatment method for cervical disease, which has become a more common and serious problem for people with sedentary work. To improve cervical disc replacement surgery significantly, a 6-DOF parallel bone-grinding robot is developed for cervical bone-grinding by image navigation and surgical plan. The bone-grinding robot including mechanical design and low level control is designed. The bone-grinding robot navigation is realized by optical positioning with spatial registration coordinate system defined...
May 24, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28535955/fracture-resistance-of-molar-teeth-with-mesial-occlusal-distal-mod-restorations
#14
Herzl Chai, Brian R Lawn
OBJECTIVE: Filled MOD restorations show near-complete recovery of tooth strength relative to the newly prepared, unfilled state. The present study examines the underlying mechanics of this recovery by more closely quantifying the mode of splitting fracture from the cavity base. By understanding the role of specific cavity dimensions on fracture resistance, useful clinical guidelines concerning MOD morphologies are formulated. METHODS: A systematic in vitro study is made of the load-bearing capacity of filled and unfilled MOD cavities by axially loading extracted molar teeth with a hard metal ball...
May 20, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28535489/large-scale-deposition-of-weathered-oil-in-the-gulf-of-mexico-following-a-deep-water-oil-spill
#15
Isabel C Romero, Gerardo Toro-Farmer, Arne-R Diercks, Patrick Schwing, Frank Muller-Karger, Steven Murawski, David J Hollander
The blowout of the Deepwater Horizon (DWH) drilling rig in 2010 released an unprecedented amount of oil at depth (1,500 m) into the Gulf of Mexico (GoM). Sedimentary geochemical data from an extensive area (∼194,000 km(2)) was used to characterize the amount, chemical signature, distribution, and extent of the DWH oil deposited on the seafloor in 2010-2011 from coastal to deep-sea areas in the GoM. The analysis of numerous hydrocarbon compounds (N = 158) and sediment cores (N = 2,613) suggests that, 1...
May 20, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28533378/pyrite-sulfur-isotopes-reveal-glacial-interglacial-environmental-changes
#16
Virgil Pasquier, Pierre Sansjofre, Marina Rabineau, Sidonie Revillon, Jennifer Houghton, David A Fike
The sulfur biogeochemical cycle plays a key role in regulating Earth's surface redox through diverse abiotic and biological reactions that have distinctive stable isotopic fractionations. As such, variations in the sulfur isotopic composition (δ(34)S) of sedimentary sulfate and sulfide phases over Earth history can be used to infer substantive changes to the Earth's surface environment, including the rise of atmospheric oxygen. Such inferences assume that individual δ(34)S records reflect temporal changes in the global sulfur cycle; this assumption may be well grounded for sulfate-bearing minerals but is less well established for pyrite-based records...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28532970/improving-resident-familiarity-with-the-translabyrinthine-approach-to-the-internal-auditory-canal
#17
Matthew M Dedmon, Brendan P O'Connell, Austin S Adams, George B Wanna, David S Haynes
OBJECTIVE: To increase otolaryngology resident experience with drilling and dissection of the internal auditory canal (IAC) via a translabyrinthine approach. STUDY DESIGN: Pilot study involving temporal bone education and drilling with completion of pre- and post-drilling surveys. METHODS: Participants observed an educational presentation on IAC anatomy and drilling, followed by manipulation of IAC nerves using a prosected cadaveric temporal bone...
April 12, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28528417/sea-urchin-embryogenesis-as-bioindicators-of-marine-pollution-in-impact-areas-of-the-sea-of-japan-east-sea-and-the-sea-of-okhotsk
#18
Olga N Lukyanova, Elena V Zhuravel, Denis N Chulchekov, Andrey A Mazur
The embryogenesis of the sea urchin sand dollar Scaphechinus mirabilis was used as bioindicators of seawater quality from the impact areas of the Sea of Japan/East Sea (Peter the Great Bay) and the Sea of Okhotsk (northwestern shelf of Sakhalin Island and western shelf of Kamchatka Peninsula). Fertilization membrane formation, first cleavage, blastula formation, gastrulation, and 2-armed and 4-armed pluteus formation have been analyzed and a number of abnormalities were calculated. Number of embryogenesis anomalies in sand dollar larvae exposed to sea water from different stations in Peter the Great Bay corresponds to pollution level at each area...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28526053/pre-hospital-triage-performance-after-standardized-trauma-courses
#19
Maria Lampi, Johan Junker, Peter Berggren, Carl-Oscar Jonson, Tore Vikström
BACKGROUND: The pre-hospital triage process aims at identifying and prioritizing patients in the need of prompt intervention and/or evacuation. The objective of the present study was to evaluate triage decision skills in a Mass Casualty Incident drill. The study compares two groups of participants in Advanced Trauma Life Support and Pre-Hospital Trauma Life Support courses. METHODS: A questionnaire was used to deal with three components of triage of victims in a Mass Casualty Incident: decision-making; prioritization of 15 hypothetical casualties involved in a bus crash; and prioritization for evacuation...
May 19, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28526047/the-paradigm-of-eave-tubes-scaling-up-house-improvement-and-optimizing-insecticide-delivery-against-disease-transmitting-mosquitoes
#20
Fredros Okumu
Control of mosquito-borne diseases is greatly compromised by spread of insecticide resistance, high implementation costs and sub-optimal compliance among users. Improved housing has potential to reduce malaria transmission nearly as much as long-lasting insecticide-treated nets (LLINs), while also preventing other arthropod-borne diseases and improving overall well-being. Yet, it is hardly promoted as mainstream intervention, partly because of high costs, minimal communal benefits to people in non-improved houses, and low scalability...
May 19, 2017: Malaria Journal
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