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https://www.readbyqxmd.com/read/28241727/-analysis-of-outcomes-of-one-stage-operation-for-treatment-of-late-diagnosed-developmental-dysplasia-of-hip
#1
Y Liu, J Sun
Objective: To evaluate and identify the middle-term results of one-stage open reduction of patients in late-diagnosed developmental dysplasia of the hip, and to explore the best age group for treatment. Methods: A total number of 311 patients (390 hips) with LDDH in Department of Pediatric Orthopaedic of Anhui Provincial Children's Hospital from June 2006 to December 2010 were retrospectively reviewed. The patients were divided into 3 groups according to age at the start of surgical treatment: 1.5-2.5 years, 2...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241726/-bone-cement-dry-prosthetic-with-internal-fixation-treat-senile-osteoporotic-femoral-fractures
#2
Y Jiang, X X Rong, P Chen, Y J Xu, G X Zhu
Objective: To explore the treatment of senile osteoporotic femoral fractures after using internal fixation of bone cement dry prosthetic. Methods: Twelve patients aged from 74 to 94 years with mean age of (84.0±2.5) years with internal fixation of bone cement dry prosthetic surgery who were treated at Department of Orthopaedics in Nanjing Medical University Affiliated Wuxi Second Hospital between May 2013 and May 2015 were retrospectively analyzed. There were 8 male and 4 female, 10 cases of tumble and 2 cases of traffic injury...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241725/-minimally-invasive-tarsal-sinus-incision-combined-with-manipulative-reduction-and-internal-fixation-for-calcaneal-fractures-of-sanders-type%C3%A2-and-%C3%A2
#3
M Chen, K Deng, W H Zeng, J J Zeng, Q S Zhong, Z M Han
Objective: To evaluate the method and curative effect of plate fixation or percutaneous screws for the treatment of calcaneal fractures of Sanders type Ⅱ and Ⅲ via a minimally invasive sinus tarsi incision combined with a variety of manipulative reduction methods. Methods: Twenty-one patients with closed calcaneal fractures treated in the Department of Orthopedics, the First Affiliated Hospital of Nanchang University from January 2014 to January 2016 were collected. There were 15 men and 6 women, with an average age of 39...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241724/-clinical-analysis-of-cervical-posterior-internal-fixation-titanium-plate-and-silk-suspension-internal-fixation-cervical-spondylosis
#4
X N Xu, H Y Liu
Objective: To evaluate the clinical effect and imaging evaluation of cervical spine myelopathy treated with Centerpiece. Methods: A retrospective study of 60 patients underwent posterior cervical spine surgery because of cervical myelopathy in Spinal Department of Peking University People's Hospital from July 2011 to January 2013.According to the different fixation methods, all patients were divided into cervical posterior open-door Centerpiece fixation group (group A) and cervical posterior open-door silk suspension fixation group (group B)...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241723/-efficacy-of-coflex-in-the-treatment-of-lumbar-spondylolisthesis
#5
Y Hai, X L Meng, D Y Li, X N Zhang, Y S Wang
Objective: To study the clinical results of Coflex and lumbar posterior decompression and fusion in the treatment of lumbar degenerative spondylolisthesis at L(4-5). Methods: Thirty-eight patients with Grade Ⅰ degenerative spondylolisthesis, from January 2008 to December 2011 in Beijing Chaoyang Hospital, Capital Medical University were reviewed, and patients were divided into two groups by randomness. Group A was treated with Coflex and group B with pedicle instrumentation and interbody fusion. Fifteen patients were included in group A, and 23 patients were included in group B...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241720/-proximal-junctional-kyphosis-after-posterior-hemivertebra-resection-and-instrumented-fusion-in-young-children-with-congenital-scoliosis
#6
X Sun, X Chen, Z H Chen, Z Z Zhu, F Zhu, Z Liu, B P Qian, B Wang, J Qiao, Y Qiu
Objective: To investigate the risk factors of proximal junctional kyphosis(PJK) in young children who underwent posterior hemivertebra resection and instrumented fusion. Methods: This study reviewed the charts and radiographs of 136 consecutive young children with congenital scoliosis who underwent posterior hemivertebra resection and instrumented fusion in Department of Orthopaedics, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School from January 2009 to June 2014, including 75 males and 61 females, with an average age of (5...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241719/-clinical-application-of-three-dimensional-o-arm-navigation-system-in-treating-patients-with-dystrophic-scoliosis-secondary-to-neurofibromatosis-type-%C3%A2
#7
Z Liu, Y Qiu, Y Li, Z H Zhao, B Wang, F Zhu, Y Yu, X Sun, Z Z Zhu
Objective: To investigate the clinical outcomes and the accuracy of O-arm-navigation system assisted pedicle screw insertion in dystrophic scoliosis secondary to neurofibromatosis type Ⅰ(NF-1). Methods: A retrospective study was conducted in 41 patients with dystrophic NF-1-associated thoracic scoliosis who were surgically treated at Department of Orthopaedics, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School between June 2012 and October 2014 with more than 18 months follow-up...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241718/-causal-analysis-and-management-strategies-of-30-day-unplanned-revision-surgery-following-single-stage-posterior-vertebral-column-resection-for-severe-spinal-deformity
#8
Y P Tao, J G Wu, H S Ma, S L Shao, L L Zhang, B Gao, H X Li
Objective: To investigate the causes of 30-day unplanned revision surgery following one-stage posterior vertebral column resection (PVCR) for severe spinal deformity and the methods of prevention and management. Methods: A total of 112 severe deformity patients underwent one-stage PVCR for surgical treatment in the 306(th) Hospital of People's Liberation Army from May 2010 to December 2015 were retrospectively reviewed. Six patients required reoperation within 30 days after PVCR, including 2 males and 4 females with average age of 21 years (ranging from 12 to 38 years)...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241717/-application-of-three-dimensional-printing-personalized-acetabular-wing-plate-in-treatment-of-complex-acetabular-fractures-via-lateral-rectus-approach
#9
J G Mai, C Gu, X Z Lin, T Li, W Q Huang, H Wang, X Y Tan, H Lin, Y M Wang, Y Q Yang, D D Jin, S C Fan
Objective: To investigate reduction and fixation of complex acetabular fractures using three-dimensional (3D) printing technique and personalized acetabular wing-plate via lateral-rectus approach. Methods: From March to July 2016, 8 patients with complex acetabular fractures were surgically managed through 3D printing personalized acetabular wing-plate via lateral-rectus approach at Department of Orthopedics, the Third Affiliated Hospital of Southern Medical University. There were 4 male patients and 4 female patients, with an average age of 57 years (ranging from 31 to 76 years)...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241715/-a-prospective-randomized-control-trial-of-arthroscopic-surgery-for-stable-ramp-lesion-of-the-medial-meniscus
#10
X Liu, H Feng, L Hong, H Zhang
Objective: To evaluate the necessity of arthroscopic suture repair for the stable ramp lesion. Methods: From August 2008 to April 2012, 91 patients of consecutive cases were diagnosed as anterior cruciate ligament (ACL) injury associated with stable ramp lesion in Department of Sports Medicine Service of Beijing Jishuitan Hospital. All of the diagnosis was confirmed during arthroscopic surgeries. The patients were randomized into suture repair group and control group. The ACL was reconstructed using auto grafts of hamstring...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241684/-features-of-peripheral-nerve-injuries-in-workers-exposed-to-vibration-an-analysis-of-197-cases
#11
J Situ, C M Lin, Z H Qin, D X Zhu, H Lin, F F Zhang, J J Zhang
Objective: To investigate the features of peripheral nerve injuries in workers exposed to vibration. Methods: A total of 197 male workers [median age: 34 years (21-50 years) ; median working years of vibration exposure: 7.3 years (1-20 years) ] engaged in grinding in an enterprise were enrolled. Their clinical data and electromyography results were analyzed to investigate the features of peripheral nerve impairment. Results: Of all workers, 96 (48.73%) had abnormal electromyography results. Of all workers, 88 (44...
December 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28241674/-association-between-serum-magnesium-ion-level-and-risk-of-noise-induced-hearing-loss
#12
J Jiao, G Z Gu, G S Chen, Y X Zheng, H L Zhang, Q Geng, Y B Cheng, S F Yu
Objective: To investigate the association between serum magnesium ion level and risk of noise-induced hearing loss (NIHL) . Methods: Acohort study was performed for 7 445 workers exposed to noise in the steelmaking and steel rolling workshops of an iron and steel enterprise in Henan Province, China. The follow-up time was from January 1, 2006 to December 31, 2015. The workers with a binaural average high-frequency hearing threshold of ≥40 dB (HL) were enrolled as case group, and those with a binaural average high-frequency hearing threshold of <35 dB (HL) and a binaural average speech frequency of ≤25 dB (HL) were enrolled as control group...
December 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28241661/spectral-sea-surface-reflectance-of-skylight
#13
Xiaodong Zhang, Shuangyan He, Afshin Shabani, Peng-Wang Zhai, Keping Du
In examining the dependence of the sea surface reflectance of skylight ρs on sky conditions, wind speed, solar zenith angle, and viewing geometry, Mobley [Appl. Opt.38, 7442 (1999).10.1364/AO.38.007442] assumed ρs is independent of wavelength. Lee et al. [Opt. Express18, 26313 (2010).10.1364/OE.18.026313] showed experimentally that ρs does vary spectrally due to the spectral difference of sky radiance coming from different directions, which was ignored in Mobley's study. We simulated ρs from 350 nm to 1000 nm by explicitly accounting for spectral variations of skylight distribution and Fresnel reflectance...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241577/gouy-phase-shift-for-annular-beam-profiles-in-attosecond-experiments
#14
F Schlaepfer, A Ludwig, M Lucchini, L Kasmi, M Volkov, L Gallmann, U Keller
Attosecond pump-probe measurements are typically performed by combining attosecond pulses with more intense femtosecond, phase-locked infrared (IR) pulses because of the low average photon flux of attosecond light sources based on high-harmonic generation (HHG). Furthermore, the strong absorption of materials at the extreme ultraviolet (XUV) wavelengths of the attosecond pulses typically prevents the use of transmissive optics. As a result, pump and probe beams are typically recombined geometrically with a center-hole mirror that reflects the larger IR beam and transmits the smaller XUV, which leads to an annular beam profile of the IR...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241525/propagation-dynamics-of-radially-polarized-pulses-in-a-gas-filled-hollow-core-fiber
#15
Ding Wang, Lingling Qiao, Ruirui Zhao, Yu Zhao, Yuxin Leng
The propagation dynamics of radially polarized (RP) pulses in a gas-filled hollow-core fiber (HCF) is numerically studied. It is found that the stable transverse mode of RP pulse in HCF is not TM<sub>01</sub> mode, nor any eigenmodes in terms of Bessel functions. Compared with linearly polarized (LP) pulses, the RP pulses with the same initial pulse duration and energy have higher transmission efficiency, more uniform spectral broadening, and cleaner temporal profile after highly nonlinear propagation in HCF and better focusing properties...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241523/cmos-compatible-fabrication-of-micro-nano-convex-silicon-lens-arrays-by-conformal-chemical-vapor-deposition
#16
Haijie Zuo, Duk-Yong Choi, Xin Gai, Barry Luther-Davies, Baoping Zhang
We present a novel CMOS-compatible fabrication technique for convex micro-nano lens arrays (MNLAs) with high packing density on the wafer scale. By means of conformal chemical vapor deposition (CVD) of hydrogenated amorphous silicon (a-Si:H) following patterning of silicon pillars via electron beam lithography (EBL) and plasma etching, large areas of a close packed silicon lens array with the diameter from a few micrometers down to a few hundred nanometers was fabricated. The resulting structure shows excellent surface roughness and high uniformity...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241512/implementing-a-public-health-objective-for-alcohol-premises-licensing-in-scotland-a-qualitative-study-of-strategies-values-and-perceptions-of-evidence
#17
Niamh Fitzgerald, James Nicholls, Jo Winterbottom, Srinivasa Vittal Katikireddi
The public health objective for alcohol premises licensing, established in Scotland in 2005, is unique globally. We explored how public health practitioners engaged with the licensing system following this change, and what helped or hindered their efforts. Semi-structured interviews were conducted with 13 public health actors, audio-recorded, and analysed using an inductive framework approach. Many interviewees viewed the new objective as synonymous with reducing population-level alcohol consumption; however, this view was not always shared by licensing actors, some of whom did not accept public health as a legitimate goal of licensing, or prioritised economic development instead...
February 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28241509/the-association-between-ambient-air-pollution-and-allergic-rhinitis-further-epidemiological-evidence-from-changchun-northeastern-china
#18
Bo Teng, Xuelei Zhang, Chunhui Yi, Yan Zhang, Shufeng Ye, Yafang Wang, Daniel Q Tong, Binfeng Lu
With the continuous rapid urbanization process over the last three decades, outdoors air pollution has become a progressively more serious public health hazard in China. To investigate the possible associations, lag effects and seasonal differences of urban air quality on respiratory health (allergic rhinitis) in Changchun, a city in Northeastern China, we carried out a time-series analysis of the incidents of allergic rhinitis (AR) from 2013 to 2015. Environmental monitoring showed that PM2.5 and PM10 were the major air pollutants in Changchun, followed by SO₂, NO₂ and O₃...
February 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28241495/state-of-the-art-methods-for-skeletal-muscle-glycogen-analysis-in-athletes-the-need-for-novel-non-invasive-techniques
#19
REVIEW
Jacob Greene, Julien Louis, Olga Korostynska, Alex Mason
Muscle glycogen levels have a profound impact on an athlete's sporting performance, thus measurement is vital. Carbohydrate manipulation is a fundamental component in an athlete's lifestyle and is a critical part of elite performance, since it can provide necessary training adaptations. This paper provides a critical review of the current invasive and non-invasive methods for measuring skeletal muscle glycogen levels. These include the gold standard muscle biopsy, histochemical analysis, magnetic resonance spectroscopy, and musculoskeletal high frequency ultrasound, as well as pursuing future application of electromagnetic sensors in the pursuit of portable non-invasive quantification of muscle glycogen...
February 23, 2017: Biosensors
https://www.readbyqxmd.com/read/28241483/intracellular-accumulation-of-methylglyoxal-by-glyoxalase-1-knock-down-alters-collagen-homoeostasis-in-l6-myoblasts
#20
Bernd Stratmann, Bernhard Goldstein, Paul J Thornalley, Naila Rabbani, Diethelm Tschoepe
Hyperglycemia results in accumulation of the reactive dicarbonyl methylglyoxal (MG). Methylglyoxal is detoxified by the glyoxalase system (glyoxalase 1 and 2). The influence of glyoxalase 1 knockdown on expression of collagens 1, 3, 4, and 5 in L6 myoblasts under hyperglycemic conditions was investigated. Increased biosynthesis of collagens 1, 3, 4, and 5 was detected at mRNA-level following knockdown of glyoxalase 1 (GLO1). At the protein level a significant elevation of the concentration of collagen 1 and 4 was shown, whereas no increase of collagen 5 and a non-significant increase in collagen 3 were detectable...
February 23, 2017: International Journal of Molecular Sciences
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