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https://www.readbyqxmd.com/read/28334620/supercritical-water-oxidation-of-oil-based-drill-cuttings
#1
Zhong Chen, Zeliang Chen, Fengjun Yin, Guangwei Wang, Hongzhen Chen, Chunlan He, Yuanjian Xu
Oil-based drill cuttings (OBDC) are a typical hazardous solid waste that arises from drilling operations in oil and gas fields. The supercritical water oxidation (SCWO) of OBDC was comprehensively investigated in a batch reactor under the conditions of various oxygen coefficients (OC, 1.5-3.5), temperatures (T, 400-500°C) and reaction times (t, 0.5-10min). Preheating experiments indicated that most of the organic compounds in the initial OBDC sample were distributed within gaseous, oil, aqueous and solid phases, with no more than 9...
March 9, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28334420/evaluation-of-hydraulic-properties-of-aquitards-using-earthquake-triggered-groundwater-variation
#2
Shih-Jung Wang, Kuo-Chin Hsu, Chein-Lee Wang, Wen-Chi Lai, Liang-Tzu Hsu
The hydraulic properties of aquitards are not easily obtained because monitoring wells are usually installed in aquifers for groundwater resources management. Earthquake-induced crust stress (strain) triggers groundwater level variations over a short period of time in a large area. These groundwater anomalies can be used to investigate aquifer systems. This study uses a poroelastic model to fit the postseismic variations of groundwater level triggered by the Chi-Chi earthquake to evaluate the hydraulic properties of aquitards in the Jhoushuei River alluvial fan (JRAF), Taiwan...
March 23, 2017: Ground Water
https://www.readbyqxmd.com/read/28333781/comment-on-outcomes-of-drill-canalplasty-in-exostoses-and-osteoma-analysis-of-256-cases-and-literature-review
#3
Douglas G Hetzler
No abstract text is available yet for this article.
March 22, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28333559/technique-tip
#4
Gregory R Waryasz, Stephen Marcaccio, Joseph A Gil
Lisfranc injury fixation or arthrodesis typically involves the reduction and fixation of several tarsometatarsal joints with either screws or a plate and screw constructs. A successful fixation or arthrodesis of the Lisfranc joint requires proper screw placement from the medial cuneiform to the base of the second metatarsal. This is typically done free-hand; however, we describe use of an anterior cruciate ligament guide to help maintain reduction and assist with drill trajectory for more accurate screw or suture button construct placement...
April 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28325457/craniotomy-for-treatment-of-chronic-subdural-hematoma
#5
REVIEW
Isaac Josh Abecassis, Louis J Kim
Chronic subdural hematomas are commonly encountered pathologies in neurologic surgery. Primary management for a symptomatic lesion usually entails surgical intervention. There is controversy regarding ideal modality selection among twist drill craniostomy, bur hole craniostomy, and craniotomy. Variations of the craniotomy include a minicraniotomy (usually defined as 30-40 mm diameter), minicraniectomy, and with or without either a partial or full membranectomy. In addition to medical complications, potential surgical complications include recurrence, seizures, intraparenchymal hemorrhage, and infection...
April 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28322343/unprecedented-simultaneous-enhancement-in-damage-tolerance-and-fatigue-resistance-of-zirconia-ta-composites
#6
A Smirnov, J I Beltrán, T Rodriguez-Suarez, C Pecharromán, M C Muñoz, J S Moya, J F Bartolomé
Dense (>98 th%) and homogeneous ceramic/metal composites were obtained by spark plasma sintering (SPS) using ZrO2 and lamellar metallic powders of tantalum or niobium (20 vol.%) as starting materials. The present study has demonstrated the unique and unpredicted simultaneous enhancement in toughness and strength with very high flaw tolerance of zirconia/Ta composites. In addition to their excellent static mechanical properties, these composites also have exceptional resistance to fatigue loading. It has been shown that the major contributions to toughening are the resulting crack bridging and plastic deformation of the metallic particles, together with crack deflection and interfacial debonding, which is compatible with the coexistence in the composite of both, strong and weak ceramic/metal interfaces, in agreement with predictions of ab-initio calculations...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28318478/disaster-education-a-survey-study-to-analyze-disaster-medicine-training-in-emergency-medicine-residency-programs-in-the-united-states
#7
Ritu R Sarin, Srihari Cattamanchi, Abdulrahman Alqahtani, Majed Aljohani, Mark Keim, Gregory R Ciottone
BACKGROUND: The increase in natural and man-made disasters occurring worldwide places Emergency Medicine (EM) physicians at the forefront of responding to these crises. Despite the growing interest in Disaster Medicine, it is unclear if resident training has been able to include these educational goals. Hypothesis This study surveys EM residencies in the United States to assess the level of education in Disaster Medicine, to identify competencies least and most addressed, and to highlight effective educational models already in place...
March 20, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28316313/flank-hernia-repair-with-suture-anchor-mesh-fixation-to-the-iliac-crest
#8
Kaushik Mukherjee, Richard S Miller
Traumatic or postsurgical flank hernias are complex and prone to recurrence, particularly at the border of the iliac crest. We reviewed our experience using suture anchors drilled into the iliac crest to fixate the mesh to bone. Our study of 10 repairs in eight patients was Institutional Review Board exempt. We obtained demographics, body mass index, diabetes, methicillin-resistant Staphylococcus aureus (MRSA) history, smoking status, steroid use, number of prior repairs, defect size, mesh size, number of anchors, and recurrence and infection at follow-up...
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28315184/epiphyseal-arterial-network-and-inferior-retinacular-artery-seem-critical-to-femoral-head-perfusion-in-adults-with-femoral-neck-fractures
#9
Dewei Zhao, Xing Qiu, Benjie Wang, Zihua Wang, Wei Wang, Jun Ouyang, Rona M Silva, Xiaotian Shi, Kai Kang, Dachuan Xu, Chuang Li, Shizhen Zhong, Yu Zhang, Kent E Pinkerton
BACKGROUND: A better understanding of the blood supply of the femoral head is essential to guide therapeutic strategies for patients with femoral neck fractures. However, because of the limitations of conventional techniques, the precise distribution and characteristics of intraosseous arteries of the femoral head are not well displayed. QUESTIONS/PURPOSES: To explore the characteristics and interconnections of the intraosseous vessel system between different areas of the femoral head and the possible blood supply compensatory mechanism after femoral neck fracture...
March 17, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28314886/no-differences-in-subjective-knee-function-between-surgical-techniques-of-anterior-cruciate-ligament-reconstruction-at-2-year-follow-up-a-cohort-study-from-the-swedish-national-knee-ligament-register
#10
Eric Hamrin Senorski, David Sundemo, Christopher D Murawski, Eduard Alentorn-Geli, Volker Musahl, Freddie Fu, Neel Desai, Anders Stålman, Kristian Samuelsson
PURPOSE: The purpose of this study was to investigate how different techniques of single-bundle anterior cruciate ligament (ACL) reconstruction affect subjective knee function via the Knee injury and Osteoarthritis Outcome Score (KOOS) evaluation 2 years after surgery. It was hypothesized that the surgical techniques of single-bundle ACL reconstruction would result in equivalent results with respect to subjective knee function 2 years after surgery. METHODS: This cohort study was based on data from the Swedish National Knee Ligament Register during the 10-year period of 1 January 2005 through 31 December 2014...
March 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28314186/mobility-indices-and-doses-from-210-po-and-210-pb-activity-concentrations-data-in-brazilian-spas-groundwaters
#11
Daniel Marcos Bonotto, Ana Maria Marinello Assis de Oliveira
(210)Po and (210)Pb activity concentrations in spas groundwaters occurring at São Paulo (SP) and Minas Gerais (MG) states, Brazil, have been reported in this paper with a dual purpose: to compare different indices for evaluating the radionuclides mobility into waters and to evaluate the drinking water quality from dose calculations. The waters (75 sampling points) are extensively used for drinking in public places, bottling and bathing purposes, among other. The samples were taken from springs and wells drilled at different aquifer systems inserted in Paraná and Southeastern Shield hydrogeological provinces...
March 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28303853/medial-canthoplasty-combined-with-conjunctivodacryocystorhinostomy-for-the-treatment-of-delayed-medial-telecanthal-deformity
#12
Hua Sun, Yang Li, Qian Huang, Jing-Wen Ding, Zhi-Jia Hou, Dong-Mei Li
BACKGROUND: Rupture of the medial canthal ligament can be caused by many events. It remains a challenge to rebuild the drainage system and restore the function. The aim of this study was to evaluate the clinical efficacy of medial canthoplasty combined with conjunctivodacryocystorhinostomy (CDCR) in patients with medial telecanthal deformities and lacrimal drainage system damage. METHODS: Twenty-two patients (22 eyes) treated with medial canthoplasty and CDCR during June 2012 to June 2014 were included in this retrospective study...
March 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28302426/proximity-of-lateral-critical-structures-to-the-all-epiphyseal-outside-in-femoral-tunnels-in-pediatric-anterior-cruciate-ligament-reconstruction
#13
Mark K Lane, Jennifer Mutch, Kaitlyn Ratkowiak, Stephen E Lemos, Kunal Kalra
PURPOSE: To describe the proximity of the lateral critical structures (peroneal nerve [PN], popliteus tendon [PT], lateral collateral ligament [LCL], and articular cartilage [AC]) to the femoral tunnel for outside-in all-epiphyseal anterior cruciate ligament (ACL) reconstruction in reference to knee flexion angle. METHODS: All-epiphyseal ACL reconstructions were performed in 12 human cadaveric knees using arthroscopy and outside-in drilling for anatomic femoral tunnel placement that was ensured by identifying the center of the total ACL footprint...
March 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28302359/footprint-weathering-and-persistence-of-synthetic-base-drilling-mud-olefins-in-deep-sea-sediments-following-the-deepwater-horizon-disaster
#14
Scott A Stout, James R Payne
Olefin-based synthetic-based drilling mud (SBM) was released into the Gulf of Mexico as a result of the Deepwater Horizon (DWH) disaster in 2010. We studied the composition of neat SBM and, using conventional GC-FID, the extent, concentration, and chemical character of SBM-derived olefins in >3600 seafloor sediments collected in 2010/2011 and 2014. SBM-derived (C14-C20) olefins occurred (up to 10cm deep) within a 6.5km(2) "footprint" around the well. The olefin concentration in most sediments decreased an order of magnitude between 2010/2011 and 2014, at least in part due to biodegradation, evidenced by the preferential loss C16 and C18 linear (α- and internal) versus branched olefins...
March 13, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28301858/anti-nerve-growth-factor-therapy-increases-spontaneous-day-night-activity-in-mice-with-orthopedic-surgery-induced-pain
#15
Lisa A Majuta, Jean-Marc G Guedon, Stefanie A T Mitchell, Michael H Ossipov, Patrick W Mantyh
Total knee arthroplasty (TKA) and total hip arthroplasty (THA) are 2 of the most common and successful surgical interventions to relieve osteoarthritis pain. Control of postoperative pain is critical for patients to fully participate in the required physical therapy which is the most influential factor in effective postoperative knee rehabilitation. Currently, opiates are a mainstay for managing postoperative orthopedic surgery pain including TKA or THA pain. Recently, issues including efficacy, dependence, overdose, and death from opiates have made clinicians and researchers more critical of use of opioids for treating nonmalignant skeletal pain...
April 2017: Pain
https://www.readbyqxmd.com/read/28301445/a-modified-personalized-image-based-drill-guide-template-for-atlantoaxial-pedicle-screw-placement-a-clinical-study
#16
Lianghai Jiang, Liang Dong, Mingsheng Tan, Yingna Qi, Feng Yang, Ping Yi, Xiangsheng Tang
BACKGROUND Atlantoaxial posterior pedicle screw fixation has been widely used for treatment of atlantoaxial instability (AAI). However, precise and safe insertion of atlantoaxial pedicle screws remains challenging. This study presents a modified drill guide template based on a previous template for atlantoaxial pedicle screw placement. MATERIAL AND METHODS Our study included 54 patients (34 males and 20 females) with AAI. All the patients underwent posterior atlantoaxial pedicle screw fixation: 25 patients underwent surgery with the use of a modified drill guide template (template group) and 29 patients underwent surgery via the conventional method (conventional group)...
March 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28301013/influence-of-different-dentin-substrate-caries-affected-caries-infected-sound-on-long-term-%C3%AE-tbs
#17
Ana Rosa Costa, Franklin Garcia-Godoy, Lourenço Correr-Sobrinho, Lucas Zago Naves, Luís Henrique Araújo Raposo, Fabíola Galbiatti de Carvalho, Mário Alexandre Coelho Sinhoreti, Regina Maria Puppin-Rontani
The aim of this study was to evaluate the μTBS in different dentin substrates and water-storage periods. Twenty-four dentin blocks obtained from sound third molars were randomly divided into 3 groups: Sound dentin (Sd), Caries-affected dentin (Ca) and Caries-infected dentin (Ci). Dentin blocks from Ca and Ci groups were subjected to artificial caries development (S. mutans biofilm). The softest carious tissue was removed using spherical drills under visual inspection with Caries Detector solution (Ca group)...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28300058/identification-of-differentially-expressed-mirnas-in-alopecia-areata-that-target-immune-regulatory-pathways
#18
E H C Wang, G M DeStefano, A V Patel, E Drill, S Harel, C Cela, M Tavazoie, A M Christiano
No abstract text is available yet for this article.
March 16, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28299389/adolescents-and-female-patients-are-at-increased-risk-for-contralateral-anterior-cruciate-ligament-reconstruction-a-cohort-study-from-the-swedish-national-knee-ligament-register-based-on-17-682-patients
#19
Thorkell Snaebjörnsson, Eric Hamrin Senorski, David Sundemo, Eleonor Svantesson, Olof Westin, Volker Musahl, Eduard Alentorn-Geli, Kristian Samuelsson
PURPOSE: The impact of different surgical techniques in index ACL reconstruction for patients undergoing contralateral ACL reconstruction was investigated. METHODS: The study was based on data from the Swedish National Knee Ligament Register. Patients undergoing index ACL reconstruction and subsequent contralateral ACL reconstruction using hamstring graft under the study period were included. The following variables were evaluated: age at index surgery, gender, concomitant meniscal or cartilage injury registered at index injury, transportal femoral bone tunnel drilling and transtibial femoral bone tunnel drilling...
March 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28299014/deep-orbital-dermoid-cyst-bulging-into-the-superior-orbital-fissure-clinical-presentation-and-management
#20
Ravinder Kumar, Kapil Vyas, Gagan Jaiswal, Abhishek Bhargava, Jyoti Kundu
PURPOSE: To present a case of deep orbital dermoid cyst with emphasis on clinical presentation, imaging spectrum, differential diagnosis and management. CASE REPORT: A 28-year-old female was referred to our hospital with chief complaint of drooping of right eyelid and progressive headache. Ocular motility, visual acuity and fundus examination were normal. computed tomography (CT) and magnetic resonance imaging (MRI) revealed a well-defined, intraosseous deep orbital dermoid cyst (5...
January 2017: Journal of Ophthalmic & Vision Research
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