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https://www.readbyqxmd.com/read/28318949/wing-augmentation-reduces-femoral-head-cutting-out-of-dynamic-hip-screw
#1
Chih-Yu Chen, Shu-Wei Huang, Jui-Sheng Sun, Shin-Yiing Lin, Chih-Sheng Yu, Hsu-Pin Pan, Ping-Hung Lin, Fan-Chun Hsieh, Yang-Hwei Tsuang, Feng-Huei Lin, Rong-Sen Yang, Cheng-Kung Cheng
The dynamic hip screw (DHS) is commonly used in the treatment of femoral intertrochanteric fracture with high satisfactory results. However, post-operative failure does occur and result in poor prognosis. The most common failure is femoral head varus collapse, followed by lag screw cut-out through the femoral head. In this study, a novel-designed DHS with two supplemental horizontal blades was used to improve the fixation stability. In this study, nine convention DHS and 9 Orthopaedic Device Research Center (ODRC) DHSs were tested in this study...
March 17, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28318311/treatment-of-vertical-maxillary-excess-without-open-bite-in-a-skeletal-class-ii-hyperdivergent-patient
#2
Cheol-Ho Paik, Hong-Sik Park, Hyo-Won Ahn
A 20-year-old woman visited the office complaining of a gummy smile and lip protrusion. She was diagnosed with vertical maxillary excess without open bite and skeletal Class II hyperdivergent pattern. She refused the surgical-orthodontic treatment option, although she wanted to correct the gummy smile and retruded chin. Differential intrusion of anterior and posterior teeth in both arches was necessary to maximize the skeletal treatment effects. In the maxilla, one palatal temporary anchorage device (TAD), an archwire with an accentuated curve of Spee, and a transpalatal arch were applied...
March 20, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28299260/controlling-the-vector-of-distraction-osteogenesis-in-the-management-of-obstructive-sleep-apnea
#3
Dekel Shilo, Omri Emodi, Dror Aizenbud, Adi Rachmiel
BACKGROUND: Obstructive sleep apnea (OSA) in individuals with craniofacial anomalies can compromise airway and is a serious life-threatening condition. In many cases, tracheostomy is carried out as the treatment of choice. Distraction osteogenesis of the mandible as a treatment modality for OSA is very useful and may spare the need for tracheostomy or allow decannulation, yet controlling the vector of distraction is still a major challenge. We present a method for controlling the vector of distraction...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28295210/cnvs-analysis-in-a-cohort-of-isolated-and-syndromic-dd-id-reveals-novel-genomic-disorders-position-effects-and-candidate-disease-genes
#4
Eleonora Di Gregorio, Evelise Riberi, Elga Fabia Belligni, Elisa Biamino, Malte Spielmann, Ugo Ala, Alessandro Calcia, Irene Bagnasco, Diana Carli, Giorgia Gai, Mara Giordano, Andrea Guala, Roberto Keller, Giorgia Mandrile, Carlo Arduino, Antonella Maffè, Valeria Giorgia Naretto, Fabio Sirchia, Lorena Sorasio, Silvana Ungari, Andrea Zonta, Giulia Zacchetti, Flavia Talarico, Patrizia Pappi, Simona Cavalieri, Elisa Giorgio, Cecilia Mancini, Marta Ferrero, Alessandro Brussino, Elisa Savin, Marina Gandione, Alessandra Pelle, Daniela Francesca Giachino, Mario De Marchi, Gabriella Restagno, Paolo Provero, Margherita Cirillo Silengo, Enrico Grosso, Joseph D Buxbaum, Barbara Pasini, Silvia De Rubeis, Alfredo Brusco, Giovanni Battista Ferrero
Array-comparative genomic hybridization (array-CGH) is a widely used technique to detect Copy Number Variants (CNVs) associated with developmental delay/intellectual disability (DD/ID). We performed a comprehensive array-CGH investigation of 1,015 consecutive cases with DD/ID and combined literature mining, genetic evidence, evolutionary constraint scores, and functional information in order to assess the pathogenicity of the CNVs. We identified non-benign CNVs in 29% of patients. Amongst the pathogenic variants (11%), detected with a yield consistent with the literature, we found rare genomic disorders and CNVs spanning known disease genes...
March 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28290181/acute-type-a-aortic-dissection-beyond-the-diameter
#5
Calogera Pisano, Carmela Rita Balistreri, Oreste Fabio Triolo, Vincenzo Argano, Giovanni Ruvolo
Aortic dissection is a life-threatening condition in which early diagnosis, treatment and close follow up are critical for survival. Between 60% and 70% of patients with acute aortic dissection are affected at the ascending aorta, classified as Stanford type A (TAD). Preventive surgery of the aorta in asymptomatic patients on the basis of aortic size alone remains controversial among patient populations without known risk factors for aortic dissection. In fact, many dissection patients do not appear to have markedly dilated aortas at the time of presentation...
November 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28288607/influence-of-different-great-trochanteric-entry-points-on-the-outcome-of-intertrochanteric-fractures-a-retrospective-cohort-study
#6
Shuo Pan, Xiao-Hui Liu, Tao Feng, Hui-Jun Kang, Zhi-Guang Tian, Chun-Guang Lou
BACKGROUND: The Proximal Femoral Nail Antirotation (PFNA) system for treatment of intertrochanteric fractures is currently widely applied worldwide. However, even though the PFNA has produced good clinical outcomes, a poor introduction technique with an inappropriate entry point can cause surgical complications. Some researchers suggest improving clinical outcomes by modifying the entry point, but no research has focused on this issue. The purpose of the present study is to compare the clinical and radiological outcomes of two different trochanteric entry points for the treatment of intertrochanteric fractures using the PFNA system...
March 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28282436/regions-of-very-low-h3k27me3-partition-the-drosophila-genome-into-topological-domains
#7
Sherif El-Sharnouby, Bettina Fischer, Jose Paolo Magbanua, Benjamin Umans, Rosalyn Flower, Siew Woh Choo, Steven Russell, Robert White
It is now well established that eukaryote genomes have a common architectural organization into topologically associated domains (TADs) and evidence is accumulating that this organization plays an important role in gene regulation. However, the mechanisms that partition the genome into TADs and the nature of domain boundaries are still poorly understood. We have investigated boundary regions in the Drosophila genome and find that they can be identified as domains of very low H3K27me3. The genome-wide H3K27me3 profile partitions into two states; very low H3K27me3 identifies Depleted (D) domains that contain housekeeping genes and their regulators such as the histone acetyltransferase-containing NSL complex, whereas domains containing moderate-to-high levels of H3K27me3 (Enriched or E domains) are associated with regulated genes, irrespective of whether they are active or inactive...
2017: PloS One
https://www.readbyqxmd.com/read/28272594/hospital-medicine-resident-training-tracks-developing-the-hospital-medicine-pipeline
#8
Joseph R Sweigart, Darlene Tad-Y, Patrick Kneeland, Mark V Williams, Jeffrey J Glasheen
BACKGROUND: Hospital medicine (HM) is rapidly evolving into new clinical and nonclinical roles. Traditional internal medicine (IM) residency training likely does not optimally prepare residents for success in HM. Hospital medicine residency training tracks may offer a preferred method for specialized HM education. METHODS: Internet searches and professional networks were used to identify HM training tracks. Information was gathered from program websites and discussions with track directors...
March 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28263316/single-molecule-sequencing-and-chromatin-conformation-capture-enable-de-novo-reference-assembly-of-the-domestic-goat-genome
#9
Derek M Bickhart, Benjamin D Rosen, Sergey Koren, Brian L Sayre, Alex R Hastie, Saki Chan, Joyce Lee, Ernest T Lam, Ivan Liachko, Shawn T Sullivan, Joshua N Burton, Heather J Huson, John C Nystrom, Christy M Kelley, Jana L Hutchison, Yang Zhou, Jiajie Sun, Alessandra Crisà, F Abel Ponce de León, John C Schwartz, John A Hammond, Geoffrey C Waldbieser, Steven G Schroeder, George E Liu, Maitreya J Dunham, Jay Shendure, Tad S Sonstegard, Adam M Phillippy, Curtis P Van Tassell, Timothy P L Smith
The decrease in sequencing cost and increased sophistication of assembly algorithms for short-read platforms has resulted in a sharp increase in the number of species with genome assemblies. However, these assemblies are highly fragmented, with many gaps, ambiguities, and errors, impeding downstream applications. We demonstrate current state of the art for de novo assembly using the domestic goat (Capra hircus) based on long reads for contig formation, short reads for consensus validation, and scaffolding by optical and chromatin interaction mapping...
March 6, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28261389/bridging-leadership-roles-in-quality-and-patient-safety-experience-of-6-us-academic-medical-centers
#10
Jennifer S Myers, Anjala V Tess, Katherine McKinney, Glenn Rosenbluth, Vineet M Arora, Darlene Tad-Y, Arpana R Vidyarthi
No abstract text is available yet for this article.
February 2017: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/28251877/genomic-landscape-of-cpg-rich-elements-in-human
#11
Vladimir N Babenko, Irina V Chadaeva, Yuriy L Orlov
BACKGROUND: The studies on CpG islands (CGI) and Alu elements functions, evolution, and distribution in the genome started since the discovery in nineteen eighties (1981, 1986, correspondingly). Their highly skewed genome wide distribution implies the non-random retrotransposition pattern. Besides CGIs in gene promoters, CGIs clusters were observed in the homeobox gene regions and in the macrosatellites, but the whole picture of their distribution specifics was not grasped. Attempts to identify any causative features upon their (genome wide) distribution, such as the DNA context mediated preferred insertion sites of Alu repeats, have been made to ascribe their clusters location...
February 7, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28251841/topologically-associated-domains-a-successful-scaffold-for-the-evolution-of-gene-regulation-in-animals
#12
REVIEW
Rafael D Acemel, Ignacio Maeso, José Luis Gómez-Skarmeta
The evolution of gene regulation is considered one of the main drivers causing the astonishing morphological diversity in the animal kingdom. Gene regulation in animals heavily depends upon cis-regulatory elements, discrete pieces of DNA that interact with target promoters to regulate gene expression. In the last years, Chromosome Conformation Capture experiments (4C-seq, 5C, and HiC) in several organisms have shown that the genomes of many bilaterian animals are organized in the 3D chromatin space in compartments called topologically associated domains (TADs)...
March 2, 2017: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/28249171/cis-acting-complex-trait-associated-lincrna-expression-correlates-with-modulation-of-chromosomal-architecture
#13
Jennifer Yihong Tan, Adam Alexander Thil Smith, Maria Ferreira da Silva, Cyril Matthey-Doret, Rico Rueedi, Reyhan Sönmez, David Ding, Zoltán Kutalik, Sven Bergmann, Ana Claudia Marques
Intergenic long noncoding RNAs (lincRNAs) are the largest class of transcripts in the human genome. Although many have recently been linked to complex human traits, the underlying mechanisms for most of these transcripts remain undetermined. We investigated the regulatory roles of a high-confidence and reproducible set of 69 trait-relevant lincRNAs (TR-lincRNAs) in human lymphoblastoid cells whose biological relevance is supported by their evolutionary conservation during recent human history and genetic interactions with other trait-associated loci...
February 28, 2017: Cell Reports
https://www.readbyqxmd.com/read/28247448/an-aquatic-decomposition-scoring-method-to-potentially-predict-the-postmortem-submersion-interval-of-bodies-recovered-from-the-north-sea
#14
Marjolijn A van Daalen, Dorothée S de Kat, Bernice F L Oude Grotebevelsborg, Roosje de Leeuwe, Jeroen Warnaar, Roelof Jan Oostra, Wilma L J M Duijst-Heesters
This study aimed to develop an aquatic decomposition scoring (ADS) method and investigated the predictive value of this method in estimating the postmortem submersion interval (PMSI) of bodies recovered from the North Sea. This method, consisting of an ADS item list and a pictorial reference atlas, showed a high interobserver agreement (Krippendorff's alpha ≥ 0.93) and hence proved to be valid. This scoring method was applied to data, collected from closed cases-cases in which the postmortal submersion interval (PMSI) was known-concerning bodies recovered from the North Sea from 1990 to 2013...
March 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28247325/medical-expulsive-therapy-worthwhile-or-wishful-thinking
#15
REVIEW
Tad Kroczak, Kenneth T Pace, Jason Y Lee
PURPOSE OF REVIEW: We set out to provide an overview of the most recent evidence for medical expulsive therapy (MET). Conflicting level 1 evidence for and against the use of MET has been published. RECENT FINDINGS: The largest double-blind randomized control trial (1110 patients) comparing placebo, tamsulosin, and nifedipine found no benefit for MET in preventing the need for secondary intervention. A recent meta-analysis of 55 randomized trials using alpha-blockers suggests that no benefit is seen with smaller ureteric calculi, but patients with larger ureteric calculi experience shorter times to stone passage, fewer episodes of pain, require less surgical intervention, and fewer hospital admissions...
April 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28244907/oral-and-intravenous-tranexamic-acid-are-equivalent-at-reducing-blood-loss-following-total-hip-arthroplasty-a-randomized-controlled-trial
#16
RANDOMIZED CONTROLLED TRIAL
Erdan Kayupov, Yale A Fillingham, Kamil Okroj, Darren R Plummer, Mario Moric, Tad L Gerlinger, Craig J Della Valle
BACKGROUND: Tranexamic acid is an antifibrinolytic that has been shown to reduce blood loss and the need for transfusions when administered intravenously in total hip arthroplasty. Oral formulations of the drug are available at a fraction of the cost of the intravenous preparation. The purpose of this randomized controlled trial was to determine if oral and intravenous formulations of tranexamic acid have equivalent blood-sparing properties. METHODS: In this double-blinded trial, 89 patients undergoing primary total hip arthroplasty were randomized to receive 1...
March 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28244371/data-driven-identification-of-potential-zika-virus-vectors
#17
Michelle V Evans, Tad A Dallas, Barbara A Han, Courtney C Murdock, John M Drake
Zika is an emerging virus whose rapid spread is of great public health concern. Knowledge about transmission remains incomplete, especially concerning potential transmission in geographic areas in which it has not yet been introduced. To identify unknown vectors of Zika, we developed a data-driven model linking vector species and the Zika virus via vector-virus trait combinations that confer a propensity toward associations in an ecological network connecting flaviviruses and their mosquito vectors. Our model predicts that thirty-five species may be able to transmit the virus, seven of which are found in the continental United States, including Culex quinquefasciatus and Cx...
February 28, 2017: ELife
https://www.readbyqxmd.com/read/28229851/-skeletal-anchorage-in-the-past-today-and-tomorrow
#18
Birte Melsen, Michel Dalstra
INTRODUCTION: Skeletal anchorage was not introduced as an alternative to conventional anchorage modalities. The first skeletal anchorage was a ligature through a hole in the infrazygomatic crest. This was replaced by surgical screws and finally the TADs, which were optimized with respect to the material and morphology, were developed. A bracket-like head allows for the use of the mini-implant as indirect anchorage, but should not be a tool for lost control resulting from badly planned biomechanics or failing compliance...
March 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/28197171/genome-wide-microrna-binding-site-variation-between-extinct-wild-aurochs-and-modern-cattle-identifies-candidate-microrna-regulated-domestication-genes
#19
Martin Braud, David A Magee, Stephen D E Park, Tad S Sonstegard, Sinead M Waters, David E MacHugh, Charles Spillane
The domestication of cattle from the now-extinct wild aurochs (Bos primigenius) involved selection for physiological and behavioral traits, with underlying genetic factors that remain largely unknown. Non-coding microRNAs have emerged as key regulators of the spatio-temporal expression of target genes controlling mammalian growth and development, including in livestock species. During the domestication process, selection of mutational changes in miRNAs and/or miRNA binding sites could have provided a mechanism to generate some of the traits that differentiate domesticated cattle from wild aurochs...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28194377/comparative-study-between-lateral-decubitus-and-traction-table-for-treatment-of-pertrochanteric-fractures-with-cephalomedullary-nails
#20
Eric Fernando de Souza, José Octávio Soares Hungria, Lucas Romano Sampaio Rezende, Davi Gabriel Bellan, Jonas Aparecido Borracini
OBJECTIVE: To perform a retrospective radiographic assessment of the reduction and implant position in the femoral head in patients with pertrochanteric fractures treated with cephalomedullary nailing in the lateral position versus traction table. METHODS: Radiographs of patients with pertrochanteric fracture of the femur treated with cephalomedullary nailing in the lateral position and traction table were retrospectively evaluated. For the evaluation we used the anteroposterior radiographic view of the pelvis and the lateral view of the affected side...
January 2017: Revista Brasileira de Ortopedia
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