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https://www.readbyqxmd.com/read/29350946/electrical-control-of-structural-and-physical-properties-via-strong-spin-orbit-interactions-in-sr_-2-iro_-4
#1
G Cao, J Terzic, H D Zhao, H Zheng, L E De Long, Peter S Riseborough
Electrical control of structural and physical properties is a long-sought, but elusive goal of contemporary science and technology. We demonstrate that a combination of strong spin-orbit interactions (SOI) and a canted antiferromagnetic Mott state is sufficient to attain that goal. The antiferromagnetic insulator Sr_{2}IrO_{4} provides a model system in which strong SOI lock canted Ir magnetic moments to IrO_{6} octahedra, causing them to rigidly rotate together. A novel coupling between an applied electrical current and the canting angle reduces the Néel temperature and drives a large, nonlinear lattice expansion that closely tracks the magnetization, increases the electron mobility, and precipitates a unique resistive switching effect...
January 5, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29350939/mirror-anomaly-in-dirac-semimetals
#2
A A Burkov
We demonstrate that, apart from the chiral anomaly, Dirac semimetals possess another quantum anomaly, which we call the mirror anomaly and which manifests in a singular response of the Dirac semimetal to an applied magnetic field. Namely, the anomalous Hall conductivity exhibits step-function singularities when the field is rotated. We show that this phenomenon is closely analogous to the parity anomaly of (2+1)-dimensional Dirac fermions, but with mirror symmetry, which we demonstrate emerges near any Dirac point at a time reversal invariant momentum, replacing the parity symmetry...
January 5, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29350759/extreme-rainfall-affects-assembly-of-the-root-associated-fungal-community
#3
Christopher J Barnes, Christopher J van der Gast, Niall P McNamara, Rebecca Rowe, Gary D Bending
Global warming is resulting in increased frequency of weather extremes. Root-associated fungi play important roles in terrestrial biogeochemical cycling processes, but the way in which they are affected by extreme weather is unclear. Here, we performed long-term field monitoring of the root-associated fungus community of a short rotation coppice willow plantation, and compared community dynamics before and after a once in 100 yr rainfall event that occurred in the UK in 2012. Monitoring of the root-associated fungi was performed over a 3-yr period by metabarcoding the fungal internal transcribed spacer (ITS) region...
January 19, 2018: New Phytologist
https://www.readbyqxmd.com/read/29350647/rotator-cuff-calcific-tendinopathy-from-diagnosis-to-treatment
#4
Vito Chianca, Domenico Albano, Carmelo Messina, Federico Midiri, Giovanni Mauri, Alberto Aliprandi, Michele Catapano, Lorenzo Carlo Pescatori, Cristian Giuseppe Monaco, Salvatore Gitto, Anna Pisani Mainini, Angelo Corazza, Santi Rapisarda, Grazia Pozzi, Antonio Barile, Carlo Masciocchi, Luca Maria Sconfienza
Rotator cuff calcific tendinopathy (RCCT) is a very common condition caused by the presence of calcific deposits in the rotator cuff (RC) or in the subacromial-subdeltoid (SASD) bursa when calcification spreads around the tendons. The pathogenetic mechanism of RCCT is still unclear. It seems to be related to cell-mediated disease in which metaplastic transformation of tenocytes into chondrocytes induces calcification inside the tendon of the RC. RCCT is a frequent finding in the RC that may cause significant shoulder pain and disability...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350555/outcomes-of-latarjet-procedure-compared-with-bankart-repair-for-recurrent-traumatic-anterior-shoulder-instability
#5
Kellie C Huxel Bliven, Gail P Parr
Reference/Citation:  An VV, Sivakumar BS, Phan K, Trantalis J. A systematic review and meta-analysis of clinical and patient-reported outcomes following two procedures for recurrent traumatic anterior instability of the shoulder: Latarjet procedure vs. Bankart repair. J Shoulder Elbow Surg. 2016;25(5):853-863. CLINICAL QUESTION:   Are clinical and patient-reported outcomes different between the Latarjet and Bankart repair stabilization procedures when performed for recurrent traumatic anterior shoulder instability? DATA SOURCES:   Ovid MEDLINE, PubMed, Cochrane databases, American College of Physicians Journal Club, and Database of Abstracts of Review of Effectiveness were searched up to June 2015...
January 19, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29350517/cellphone-enabled-microwell-based-microbead-aggregation-assay-for-portable-biomarker-detection
#6
Weiwei Cui, Meihang He, Luye Mu, Zuzeng Lin, Yanyan Wang, Wei Pang, Mark A Reed, Xuexin Duan
Quantitative biomarker detection methods featured with rapidity, high accuracy, and label-free are demonstrated for the development of point-of-care (POC) technologies or "beside" diagnostics. Microbead aggregation via protein-specific linkage provides an effective approach for selective capture of biomarkers from the samples, and can directly readout the presence and amount of the targets. However, sensors or microfluidic analyzers that can accurately quantify the microbead aggrega-tion are scared. In this work, we demonstrate a microwell-based microbeads analyzing system, by which online manipula-tions of microbeads including trapping, arraying, and rotations can be realized, providing a series of microfluidic approaches to layout the aggregated microbeads for further convenient characterizations...
January 19, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29350325/evaluation-and-management-of-rotator-cuff-tears-a-primary-care-perspective
#7
REVIEW
Ross Mathiasen, Christopher Hogrefe
PURPOSE OF REVIEW: To provide a primary care perspective regarding the evaluation and management of shoulder pain and rotator cuff tears. RECENT FINDINGS: In the primary care setting, rotator cuff pathology is commonly encountered. Information regarding the risks of oral medications for the management of the associated pain keeps mounting. Partial-thickness rotator cuff tears remain difficult to diagnose with a single imaging modality. Musculoskeletal education in medical schools and non-orthopaedic residency and fellowship training programs continues to be an area for additional improvement...
January 19, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29350222/a-prescription-for-note-bloat-an-effective-progress-note-template
#8
Daniel Khan, Elizabeth Stewart, Mark Duncan, Edward Lee, Wendy Simon, Clement Lee, Jodi Friedman, Hilary Mosher, Katherine Harris, John Bell, Bradley Sharpe, Neveen El-Farra
BACKGROUND: United States hospitals have widely adopted electronic health records (EHRs). Despite the potential for EHRs to increase efficiency, there is concern that documentation quality has suffered. OBJECTIVE: To examine the impact of an educational session bundled with a progress note template on note quality, length, and timeliness. DESIGN: A multicenter, nonrandomized prospective trial. SETTING: Four academic hospitals across the United States...
January 19, 2018: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/29350013/-closed-reduction-and-percutaneous-double-k-wires-internal-fixation-for-the-treatment-of-multisegmental-fracture-of-humeral-shaft
#9
Yong Sun, Hong-Sheng Shang, Wei-Hong Zhang, Jing-Ti Jing
OBJECTIVE: To observe the clinical effects of closed reduction and percutaneous double K-wires internal fixation in treating multisegmental fracture of humeral shaft. METHODS: From January 2009 to April 2015, 27 patients with multisegmental fracture of humeral shaft were treated with closed reduction and percutaneous double K-wires internal fixation, including 10 males and 17 females, ranging in age from 26 to 81 years with an average of 52 years;the disease course ranged from 2 hours to 6 days with an average of 1...
February 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349989/-artificial-radial-head-replacement-for-the-treatment-of-comminuted-fractures-of-the-radial-head
#10
Li-Chun Liu, Wen-Jun Ding, Xiao-Xiang Zhou, Da-Dong Zhu, Jin-Liang Huang
OBJECTIVE: To assess the clinical effects of artificial radial head prosthesis replacement for the treatment of comminuted fracture of the radial head. METHODS: From June 2011 to June 2015, 25 patients with radial head comminuted fracture were treated with artificial radial head replacement, including 10 males and 15 females, ranging in age form 24 to 61 years old(mean, 40 years old). The functional recovery of the patients suffering from limb and elbow in different periods, the activity degree of the elbow joint and the function of the elbow in the latest follow-up were compared...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349979/-capsular-enhanced-repair-with-suture-anchors-in-bipolar-hemiarthroplasty-for-the-treatment-of-femoral-neck-fractures-in-elderly-patients
#11
Bo Shi, Ming-Rui Xie, Zong-Yuan Li
OBJECTIVE: To evaluate the efficacy of capsular-enhanced repair with suture anchors in bipolar hemiarthroplasty for the treatment of femoral neck fractures in elderly patients. METHODS: A retrospective study was designed. From June 2009 to June 2016, 53 senile patients (54 hips)with femoral neck fracture were treated operatively in Mianyang central hospital (Sichuan, China). There were 21 males and 32 females, ranging in age from 80 to 97.5 years old (mean, 84.7 years old)...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349963/-research-on-the-stability-of-teaching-robots-of-rotation-traction-manipulation
#12
Min-Shan Feng, Li-Guo Zhu, Shang-Quan Wang, Jie Yu, Ming Chen, Ling-Hui Li, Xu Wei
OBJECTIVE: To evaluate the stability of teaching robot of rotation-traction manipulation. METHODS: Operators were required to get the hang of rotation-traction manipulation and had clinical experience for over 5 years. The examination and data processing of the ten operators in our research were collected by the teaching robot of rotation-traction manipulation. Traction, pulling force, maximum force, pulling time, rotational amplitude and pitch range were recorded and compared for five times(G1, G2, G3, G4 and G5)...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349962/-midterm-clinical-outcome-for-ankylosing-spondylitis-patients-with-early-hip-involved-diseases-treated-with-arthroscopic-technique
#13
Chun-Bao Li, Wei Qi, Zhi-Gang Wang, Zhong-Li Li, Min Wei, Xu Cai, Qiang Zhang, Juan-Li Zhu, Yang Liu, Yu-Jie Liu
OBJECTIVE: To study the clinical outcome of manipulation release combined with arthroscopic debridement and synovia resection under general anesthesia for early hip involvment in patients with ankylosing spondylitis. METHODS: Manipulation release combined with arthroscpic debridement and synovium resection were performed for hip lesion in 22 patients with ankylosing spondylitis from June 2011 to June 2013, incuding 6 males and 16 females with anverage age of 24...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349824/reduced-left-ventricular-filling-following-blood-volume-extraction-does-not-result-in-compensatory-augmentation-of-cardiac-mechanics
#14
Rachel Lord, David MacLeod, Keith George, David Oxborough, Rob Shave, Mike Stembridge
An acute non-invasive reduction in preload has been shown to augment cardiac mechanics to maintain stroke volume and cardiac output. Such interventions induce concomitant changes in heart rate (HR), whereas blood volume extraction reduces preload without HR changes. Therefore, the purpose of this study was to determine whether a preload reduction in isolation resulted in augmented stroke volume achieved via enhanced cardiac mechanics. Nine healthy volunteers (4 female, age 29 ± 11 years) underwent echocardiography for the assessment of left ventricular (LV) volumes and mechanics in a supine position at baseline and end-extraction following the controlled removal of 25% of total blood volume (1062 ± 342 ml)...
January 18, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29349544/interpretation-of-motion-analysis-of-laparoscopic-instruments-based-on-principal-component-analysis-in-box-trainer-settings
#15
Ignacio Oropesa, Fernando Pérez Escamirosa, Juan A Sánchez-Margallo, Silvia Enciso, Borja Rodríguez-Vila, Arturo Minor Martínez, Francisco M Sánchez-Margallo, Enrique J Gómez, Patricia Sánchez-González
BACKGROUND: Motion analysis parameters (MAPs) have been extensively validated for assessment of minimally invasive surgical skills. However, there are discrepancies on how specific MAPs, tasks, and skills match with each other, reflecting that motion analysis cannot be generalized independently of the learning outcomes of a task. Additionally, there is a lack of knowledge on the meaning of motion analysis in terms of surgical skills, making difficult the provision of meaningful, didactic feedback...
January 18, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29349282/does-non-standard-work-mean-non-standard-health-exploring-links-between-non-standard-work-schedules-health-behavior-and-well-being
#16
Megan R Winkler, Susan Mason, Melissa N Laska, Mary J Christoph, Dianne Neumark-Sztainer
The last century has seen dramatic shifts in population work circumstances, leading to an increasing normalization of non-standard work schedules (NSWSs), defined as non-daytime, irregular hours. An ever-growing body of evidence links NSWSs to a host of non-communicable chronic conditions; yet, these associations primarily concentrate on the physiologic mechanisms created by circadian disruption and insufficient sleep. While important, not all NSWSs create such chronobiologic disruption, and other aspects of working time and synchronization could be important to the relationships between work schedules and chronic disease...
April 2018: SSM—Population Health
https://www.readbyqxmd.com/read/29349048/versatility-of-modified-nasolabial-flap-in-oral-and-maxillofacial-surgery
#17
Geeti Vajdi Mitra, Sarwpriya Sharma Bajaj, Sushmitha Rajmohan, Tejas Motiwale
Background: To evaluate the versatility and reach of modified nasolabial flap used in reconstruction of defects created in and around the oral cavity. Methods: A total number of 20 cases were selected. Out of which 13 were males and 7 females. The age of these patients ranged from 24-63 years. 29 modified nasolabial flaps were raised in twenty patients. Based on clinical and histopathological examination, out of 20 patients, 14 patients were diagnosed with oral submucous fibrosis, 3 with verrucous carcinoma, 1 with squamous papilloma, 1 with oro-antral fistula and 1 with traumatic loss of lower lip...
December 2017: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/29349028/knotless-suture-bridge-technique-in-high-grade-bursal-sided-rotator-cuff-tears-is-this-the-way-forward
#18
Bancha Chernchujit, Mohd Azrin Shahul Hamid, Sittan Aimprasittichai
We present our technique in managing high-grade bursal-sided rotator cuff tears. In this technique, the remaining intact cuff tissue is not sacrificed. The suture bridge technique is used to uniformly tension the torn tissue to the rotator cuff footprint. No knots are tied on the rotator cuff to minimize the tension on the cuff. The sutures are then anchored on the lateral cortex of the humerus. This technique allows repair with minimum tension while preserving the original length of the rotator cuff.
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349027/arthroscopic-repair-of-massive-subscapularis-and-supraspinatus-tear-by-double-row-knotless-technique
#19
Bancha Chernchujit, Pankaj N Sharma
Subscapularis is the most powerful muscle in the rotator cuff. A steep learning curve and constrained space anteriorly make the repair difficult. In massive tears of the rotator cuff, repair of the subscapularis initially makes the massive supraspinatus tear repairable. We present our technique to repair subscapularis and supraspinatus tear by double-row anchors in a knotless and tension-free manner. This technique can be done in partial or full-thickness tears of the upper subscapularis.
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349025/anterior-capsule-reconstruction-for-irreparable-subscapularis-tears
#20
Jason P Rogers, Adam Kwapisz, John M Tokish
A subscapularis complete tear presents its own challenges in management. The glenohumeral biomechanics and force couple are reliant on a competent and functioning subscapularis muscle. An irreparable subscapularis makes those same challenges even more difficult to address. Traditionally, this problem has been addressed with tendon transfers, including pectoralis major or latissimus dorsi. These techniques can alter the ideal biomechanics of the shoulder and have high rates or failure. Iliotibial autograft or tibialis anterior have also been wrought with high failure rates...
December 2017: Arthroscopy Techniques
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