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https://www.readbyqxmd.com/read/28098961/angiogenic-and-osteogenic-regeneration-in-rats-via-calcium-phosphate-scaffold-and-endothelial-cell-coculture-with-hbmscs-hucmscs-hipsc-mscs-and-hesc-mscs
#1
Wenchuan Chen, Xian Liu, Qianmin Chen, Chongyun Bao, Liang Zhao, Zhimin Zhu, Hockin H K Xu
Angiogenesis is a limiting factor in regenerating large bone defects. The objective of this study was to investigate angiogenic and osteogenic effects of coculture on calcium phosphate cement (CPC) scaffold using human umbilical vein endothelial cells (hUVECs) and mesenchymal stem cells (MSCs) from different origins for the first time. hUVECs were cocultured with four types of cells: human umbilical cord MSCs (hUCMSCs), human bone marrow MSCs (hBMSCs), and MSCs from induced pluripotent stem cells (hiPSC-MSCs) and embryonic stem cells (hESC-MSCs)...
January 18, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28098851/solving-large-scale-inverse-magnetostatic-problems-using-the-adjoint-method
#2
Florian Bruckner, Claas Abert, Gregor Wautischer, Christian Huber, Christoph Vogler, Michael Hinze, Dieter Suess
An efficient algorithm for the reconstruction of the magnetization state within magnetic components is presented. The occurring inverse magnetostatic problem is solved by means of an adjoint approach, based on the Fredkin-Koehler method for the solution of the forward problem. Due to the use of hybrid FEM-BEM coupling combined with matrix compression techniques the resulting algorithm is well suited for large-scale problems. Furthermore the reconstruction of the magnetization state within a permanent magnet as well as an optimal design application are demonstrated...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098797/nonlinear-fusion-of-multispectral-citrus-fruit-image-data-with-information-contents
#3
Peilin Li, Sang-Heon Lee, Hung-Yao Hsu, Jae-Sam Park
The main issue of vison-based automatic harvesting manipulators is the difficulty in the correct fruit identification in the images under natural lighting conditions. Mostly, the solution has been based on a linear combination of color components in the multispectral images. However, the results have not reached a satisfactory level. To overcome this issue, this paper proposes a robust nonlinear fusion method to augment the original color image with the synchronized near infrared image. The two images are fused with Daubechies wavelet transform (DWT) in a multiscale decomposition approach...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28098744/trabecular-microstructure-and-damage-affect-cement-leakage-from-the-basivertebral-foramen-during-vertebral-augmentation
#4
Shengyun Li, Chongyan Wang, Zhi Shan, Junhui Liu, Tianming Yu, Xuyang Zhang, Shunwu Fan, Blaine A Christiansen, Wenyuan Ding, Fengdong Zhao
STUDY DESIGN: A prospective study on cadaver specimens. OBJECTIVE: To explore why cement leakage from BF easily occurs during vertebral augmentation procedures. SUMMARY OF BACKGROUND DATA: Type B (through BF, basivertebral foramen) cement leakage is the most common type after vertebral augmentation, but the mechanism of this is still controversial. The contribution of vertebral trabecular bone orientation and trabecular damage during compression fracture to cement leakage is still unknown...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28098716/one-versus-two-venous-anastomoses-in-the-anterolateral-thigh-flap-reconstruction-after-oral-cancer-ablation
#5
Yao-Chou Lee, Shyh-Jou Shieh
No abstract text is available yet for this article.
January 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28098715/one-versus-two-venous-anastomoses-in-anterolateral-thigh-flap-reconstruction-after-oral-cancer-ablation
#6
Sara Di Lorenzo, Bartolo Corradino, Adriana Cordova
No abstract text is available yet for this article.
January 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28098706/current-trends-in-ulnar-collateral-ligament-reconstruction-surgery-among-newly-trained-orthopaedic-surgeons
#7
Ryan M Degen, Christopher L Camp, Johnathan A Bernard, David M Dines, David W Altchek, Joshua S Dines
INTRODUCTION: Ulnar collateral ligament (UCL) reconstructions are being performed with an increasing annual incidence. The purpose of this study was to evaluate trends in UCL surgery among recently trained orthopaedic surgeons. METHODS: The American Board of Orthopaedic Surgeons (ABOS) database was used to identify all UCL reconstructions from 2004 to 2013. Procedures were identified by Current Procedural Terminology (CPT) codes and verified by International Classification of Disease, Ninth Revision (ICD-9) codes...
February 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28098566/comprehensive-surgical-orthodontic-treatment-of-class-iii-malocclusion-in-cleft-patient-involving-minimally-invasive-surgery-case-report-and-literature-review
#8
Goran Stojkovic, Miodrag Stojkovic, Jasna Stojkovic, Dejan Nikolic, Zoran Stajcic
AIM: Surgical and orthodontic treatment of a teenage cleft patient. CASE REPORT: Authors describe the case of a 13 year old female cleft patient presented with class III malocclusion RESULT: The patient underwent comprehensive surgical secondary bone grafting and orthodontic treatment. Stable skeletal and occlusal class I relationship was achived and maintained in the post treatment observation period till the age of 16. DISCUSSION: Although several authors suggests primary gingivoperiosteoplasty, other advocates that such early intervention can cause later restrictions in maxillary growth...
December 19, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28098205/reliable-and-efficient-solution-of-genome-scale-models-of-metabolism-and-macromolecular-expression
#9
Ding Ma, Laurence Yang, Ronan M T Fleming, Ines Thiele, Bernhard O Palsson, Michael A Saunders
Constraint-Based Reconstruction and Analysis (COBRA) is currently the only methodology that permits integrated modeling of Metabolism and macromolecular Expression (ME) at genome-scale. Linear optimization computes steady-state flux solutions to ME models, but flux values are spread over many orders of magnitude. Data values also have greatly varying magnitudes. Standard double-precision solvers may return inaccurate solutions or report that no solution exists. Exact simplex solvers based on rational arithmetic require a near-optimal warm start to be practical on large problems (current ME models have 70,000 constraints and variables and will grow larger)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098056/follow-up-of-multicentric-hcc-according-to-the-mrecist-criteria-role-of-320-row-ct-with-semi-automatic-3d-analysis-software-for-evaluating-the-response-to-systemic-therapy
#10
M Telegrafo, G Dilorenzo, G Di Giovanni, I Cornacchia, A A Stabile Ianora, I Cornacchia, A A Stabile Ianora, G Angelelli, M Moschetta
AIM: To evaluate the role of 320-detector row computed tomography (MDCT) with 3D analysis software in follow up of patients affected by multicentric hepatocellular carcinoma (HCC) treated with systemic therapy by using modified response evaluation criteria in solid tumors (mRECIST). PATIENTS AND METHODS: 38 patients affected by multicentric HCC underwent MDCT. All exams were performed before and after iodinate contrast material intravenous injection by using a 320-detection row CT device...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28097778/does-smoking-history-confer-a-higher-risk-for-reconstructive-complications-in-nipple-sparing-mastectomy
#11
Jordan D Frey, Michael Alperovich, Jamie P Levine, Mihye Choi, Nolan S Karp
History of smoking has been implicated as a risk factor for reconstructive complications in nipple-sparing mastectomy (NSM), however there have been no direct analyses of outcomes in smokers and nonsmokers. All patients undergoing NSM at New York University Langone Medical Center from 2006 to 2014 were identified. Outcomes were compared for those with and without a smoking history and stratified by pack-year smoking history and years-to-quitting (YTQ). A total of 543 nipple-sparing mastectomies were performed from 2006 to 2014 with a total of 49 in patients with a history of smoking...
January 18, 2017: Breast Journal
https://www.readbyqxmd.com/read/28097664/testing-mate-choice-and-overdominance-at-mh-in-natural-families-of-atlantic-salmon-salmo-salar
#12
C Tentelier, O Barroso-Gomila, O Lepais, A Manicki, I Romero-Garmendia, B M Jugo
This study aimed to test mate choice and selection during early life stages on major histocompatibility (MH) genotype in natural families of Atlantic salmon Salmo salar spawners and juveniles, using nine microsatellites to reconstruct families, one microsatellite linked to an MH class I gene and one minisatellite linked to an MH class II gene. MH-based mate choice was only detected for the class I locus on the first year, with lower expected heterozygosity in the offspring of actually mated pairs than predicted under random mating...
January 18, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28097663/the-evolution-of-male-nuptial-colour-in-a-sexually-dimorphic-group-of-fishes-percidae-etheostomatinae
#13
P J Ciccotto, T C Mendelson
To test hypotheses explaining variation in elaborate male colouration across closely related species groups, ancestral-state reconstructions and tests of phylogenetic signal and correlated evolution were used to examine the evolution of male body and fin colouration in a group of sexually dichromatic stream fishes known as darters (Percidae: Etheostomatinae). The presence or absence of red-orange and blue-green male colour traits were scored across six body regions in 99 darter species using a recently estimated amplified fragment length polymorphism (AFLP) phylogeny for comparative analyses...
January 18, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28097499/automating-perforator-flap-mra-and-cta-reporting
#14
Christopher J Lange, Nanda Deepa Thimmappa, Srikanth R Boddu, Silvina P Dutruel, Mengchao Pei, Zerwa Farooq, Ashkan Heshmatzadeh Behzadi, Yi Wang, Ramin Zabih, Martin R Prince
Surgical breast reconstruction after mastectomy requires precise perforator coordinates/dimensions, perforator course, and fat volume in a radiology report. Automatic perforator reporting software was implemented as an OsiriX Digital Imaging and Communications in Medicine (DICOM) viewer plugin. For perforator analysis, the user identifies a reference point (e.g., umbilicus) and marks each perforating artery/vein bundle with multiple region of interest (ROI) points along its course beginning at the muscle-fat interface...
January 17, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28097449/open-retromuscular-large-mesh-reconstruction-of-lumbar-incisional-hernias-including-the-atrophic-muscular-area
#15
Y Renard, L de Mestier, A Cagniet, N Demichel, C Marchand, J-L Meffert, R Kianmanesh, J-P Palot
PURPOSE: Lumbar incisional hernias (LIH) are a rare wall defect, whose surgical management is challenging because no recommendation exists. Moreover, LIH are frequently associated with flank bulging which should be taken into account during LIH surgical repair. We aimed to describe a cohort of patients operated on for LIH using a homogeneous surgical technique and to report surgical outcomes. METHODS: The records of all consecutive patients operated on in a specialized surgical center between January 2009 and January 2015 were retrospectively reviewed...
January 17, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28097437/two-and-three-dimensional-topographic-analysis-of-pathologically-myopic-eyes-with-dome-shaped-macula-and-inferior-staphyloma-by-spectral-domain-optical-coherence-tomography
#16
Antonio García-Ben, Radua Kamal-Salah, Ignacio García-Basterra, Ana Gonzalez Gómez, María José Morillo Sanchez, Jose Manuel García-Campos
PURPOSE: To investigate the posterior anatomical structure of pathologically myopic eyes with dome-shaped macula and inferior staphyloma using spectral domain optical coherence tomography (SD-OCT). METHODS: Our database of 260 pathologically myopic eyes was analyzed retrospectively to identify patients with dome-shaped macula and inferior staphyloma. All patients underwent vertical and horizontal SD-OCT scans across the central fovea, with three-dimensional macular map reconstruction...
January 17, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28097262/lessons-learned-over-a-decade-of-pediatric-robotic-ureteral-reimplantation
#17
REVIEW
Minki Baek, Chester J Koh
The da Vinci robotic system has improved surgeon dexterity, ergonomics, and visualization to allow for a minimally invasive option for complex reconstructive procedures in children. Over the past decade, robot-assisted laparoscopic ureteral reimplantation (RALUR) has become a viable minimally invasive surgical option for pediatric vesicoureteral reflux (VUR). However, higher-than-expected complication rates and suboptimal reflux resolution rates at some centers have also been reported. The heterogeneity of surgical outcomes may arise from the inherent and underestimated complexity of the RALUR procedure that may justify its reclassification as a complex reconstructive procedure and especially for robotic surgeons early in their learning curve...
January 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28097212/feasibility-of-reduced-dose-three-dimensional-four-dimensional-digital-subtraction-angiogram-using-a-weighted-edge-preserving-filter
#18
Erick L Oberstar, Michael A Speidel, Brian J Davis, Charles M Strother, Charles A Mistretta
A conventional three-dimensional/four-dimensional (3D/4D) digital subtraction angiogram (DSA) requires two rotational acquisitions (mask and fill) to compute the log-subtracted projections that are used to reconstruct a 3D/4D volume. Since all of the vascular information is contained in the fill acquisition, it is hypothesized that it is possible to reduce the x-ray dose of the mask acquisition substantially and still obtain subtracted projections adequate to reconstruct a 3D/4D volume with noise level comparable to a full-dose acquisition...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28097210/preclinical-positron-emission-tomography-scanner-based-on-a-monolithic-annulus-of-scintillator-initial-design-study
#19
Alexander V Stolin, Peter F Martone, Gangadhar Jaliparthi, Raymond R Raylman
Positron emission tomography (PET) scanners designed for imaging of small animals have transformed translational research by reducing the necessity to invasively monitor physiology and disease progression. Virtually all of these scanners are based on the use of pixelated detector modules arranged in rings. This design, while generally successful, has some limitations. Specifically, use of discrete detector modules to construct PET scanners reduces detection sensitivity and can introduce artifacts in reconstructed images, requiring the use of correction methods...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28097111/fucntional-and-radiological-outcome-of-surgical-management-of-acetabular-fractures-in-tertiary-care-hospital
#20
Faizan Iqbal, Intikhab Taufiq, Muhammad Kazim Raheem Najjad, Naveed Khan, Osama Bin Zia
PURPOSE: Acetabular fractures are mainly caused by trauma and the incidence is rising in developing countries. Initially these fractures were managed conservatively, due to lack of specialized and dedicated acetabulum surgery centres. Our aim is to study the radiological and functional outcomes of surgical management of acetabular fractures in tertiary care hospital. MATERIALS AND METHODS: Total 50 patients were enrolled. The patients with acetabular fractures were enrolled between the years 2012 to 2014...
December 2016: Hip & Pelvis
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