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https://www.readbyqxmd.com/read/28318598/pediatric-eating-assessment-tool-10-as-an-indicator-to-predict-aspiration-in-children-with-esophageal-atresia
#1
Tutku Soyer, Sule Yalcin, Selen Serel Arslan, Numan Demir, Feridun Cahit Tanyel
AIM: Airway aspiration is a common problem in children with esophageal atresia (EA). Pediatric Eating Assessment Tool-10 (pEAT-10) is a self-administered questionnaire to evaluate dysphagia symptoms in children. A prospective study was performed to evaluate the validity of pEAT-10 to predict aspiration in children with EA. METHODS: Patients with EA were evaluated for age, sex, type of atresia, presence of associated anomalies, type of esophageal repair, time of definitive treatment, and the beginning of oral feeding...
March 14, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28316290/novel-repair-of-grynfeltt-hernia-using-self-fixating-mesh
#2
Joshua T Tieman, Gregory Robertson
No abstract text is available yet for this article.
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28314695/a-systematic-review-of-cost-effective-treatment-of-postoperative-rotator-cuff-repairs
#3
REVIEW
Rebecca N Dickinson, John E Kuhn, Jamie L Bergner, Katherine H Rizzone
OBJECTIVE: The Bundled Payments for Care Improvement initiative combines payment of multiple services for episodes of care into 1 bundle. Rotator cuff repair is a likely candidate for future inclusion. The objective of this study was to determine cost-effective, high-quality postoperative rehabilitation dosing and cryotherapy for patients undergoing rotator cuff repair based on systematic review of the literature. METHODS: Systematic review of level I and level II articles was performed in PubMed, Cochrane Databases, and PEDro...
March 15, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28303853/medial-canthoplasty-combined-with-conjunctivodacryocystorhinostomy-for-the-treatment-of-delayed-medial-telecanthal-deformity
#4
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/28300264/integration-of-stem-cell-derived-exosomes-with-in-situ-hydrogel-glue-as-a-promising-tissue-patch-for-articular-cartilage-regeneration
#5
Xiaolin Liu, Yunlong Yang, Yan Li, Xin Niu, Bizeng Zhao, Yang Wang, Chunyan Bao, Zongping Xie, Qiuning Lin, Linyong Zhu
The regeneration of articular cartilage, which scarcely shows innate self-healing ability, is a great challenge in clinical treatment. Stem cell-derived exosomes (SC-Exos), an important type of extracellular nanovesicle, exhibit great potential for cartilage regeneration to replace stem cell-based therapy. Cartilage regeneration often takes a relatively long time and there is currently no effective administration method to durably retain exosomes at cartilage defect sites to effectively exert their reparative effect...
March 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/28298246/prostaglandin-f2-ptgfr-signalling-activation-growth-factor-expression-and-cell-proliferation-in-bovine-endometrial-explants
#6
Shuangyi Zhang, Bo Liu, Long Gao, Wei Mao, Changqi Fu, Duritahala, Nan Zhang, Ying Zhang, Yuan Shen, Jinshan Cao
The endometrium of domestic animals undergoes regular periods of regeneration and degeneration and exhibits a remarkable capacity for self-repair during the oestrous cycle. The endometrial growth pattern is also observed during in the implantation period and early pregnancy, but the mechanism underlying endometrial growth in these processes remains unclear. A positive correlation between endometrial growth in these processes and prostaglandin (PG) F2α secretion has been reported, but the roles that PGF2α plays in endometrial growth is less studied...
March 16, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28289818/patients-expectations-of-shoulder-instability-repair
#7
Johannes E Plath, Tim Saier, Matthias J Feucht, Philipp Minzlaff, Gernot Seppel, Sepp Braun, Daniel Hatch, Andreas B Imhoff
PURPOSE: To analyze and compare patient expectations of primary and revision shoulder stabilization and to assess the factors associated with patients' expectations. METHODS: Pre-operative patient expectations after shoulder instability repair were prospectively assessed using a self-designed questionnaire. The survey included questions on the expected level and type of return to sports, instability, pain, risk of osteoarthritis, and overall shoulder condition. RESULTS: One-hundred and forty-five patients (99 primary; 46 revision repair) were included...
March 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28289209/injury-stimulated-and-self-restrained-bmp-signaling-dynamically-regulates-stem-cell-pool-size-during-drosophila-midgut-regeneration
#8
Aiguo Tian, Bing Wang, Jin Jiang
Many adult organs rely on resident stem cells to maintain homeostasis. Upon injury, stem cells increase proliferation, followed by lineage differentiation to replenish damaged cells. Whether stem cells also change division mode to transiently increase their population size as part of a regenerative program and, if so, what the underlying mechanism is have remained largely unexplored. Here we show that injury stimulates the production of two bone morphogenetic protein (BMP) ligands, Dpp and Gbb, which drive an expansion of intestinal stem cells (ISCs) by promoting their symmetric self-renewing division in Drosophila adult midgut...
March 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28287992/spanner-a-self-repairing-spiking-neural-network-hardware-architecture
#9
Junxiu Liu, Jim Harkin, Liam P Maguire, Liam J McDaid, John J Wade
Recent research has shown that a glial cell of astrocyte underpins a self-repair mechanism in the human brain, where spiking neurons provide direct and indirect feedbacks to presynaptic terminals. These feedbacks modulate the synaptic transmission probability of release (PR). When synaptic faults occur, the neuron becomes silent or near silent due to the low PR of synapses; whereby the PRs of remaining healthy synapses are then increased by the indirect feedback from the astrocyte cell. In this paper, a novel hardware architecture of Self-rePAiring spiking Neural NEtwoRk (SPANNER) is proposed, which mimics this self-repairing capability in the human brain...
March 6, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28287608/genome-editing-and-directed-differentiation-of-hpscs-for-interrogating-lineage-determinants-in-human-pancreatic-development
#10
Zhong-Dong Shi, Chew-Li Soh, Zengrong Zhu, Danwei Huangfu
Interrogating gene function in self-renewing or differentiating human pluripotent stem cells (hPSCs) offers a valuable platform towards understanding human development and dissecting disease mechanisms in a dish. To capitalize on this potential application requires efficient genome-editing tools to generate hPSC mutants in disease-associated genes, as well as in vitro hPSC differentiation protocols to produce disease-relevant cell types that closely recapitulate their in vivo counterparts. An efficient genome-editing platform for hPSCs named iCRISPR has been developed through the TALEN-mediated targeting of a Cas9 expression cassette in the AAVS1 locus...
March 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28287156/single-molecule-investigation-of-kinesin-1-motility-using-engineered-microtubule-defects
#11
Michael W Gramlich, Leslie Conway, Winnie H Liang, Joelle A Labastide, Stephen J King, Jing Xu, Jennifer L Ross
The structure of the microtubule is tightly regulated in cells via a number of microtubule associated proteins and enzymes. Microtubules accumulate structural defects during polymerization, and defect size can further increase under mechanical stresses. Intriguingly, microtubule defects have been shown to be targeted for removal via severing enzymes or self-repair. The cell's control in defect removal suggests that defects can impact microtubule-based processes, including molecular motor-based intracellular transport...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286037/surface-enrichment-with-hydroxyapatite-nanoparticles-in-stereolithography-fabricated-composite-polymer-scaffolds-promotes-bone-repair
#12
O Guillaume, M A Geven, C M Sprecher, V A Stadelmann, D W Grijpma, T T Tang, L Qin, Y Lai, M Alini, J D de Bruijn, H Yuan, R G Richards, D Eglin
Fabrication of composite scaffolds using stereolithography (SLA) for bone tissue engineering has shown great promises. However, in order to trigger effective bone formation and implant integration, exogenous growth factors are commonly combined to scaffold materials. In this study, we fabricated biodegradable composite scaffolds using SLA and endowed them with osteopromotive properties in the absence of biologics. First we prepared photo-crosslinkable poly(trimethylene carbonate) (PTMC) resins containing 20 and 40 wt...
March 7, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28286014/proteomics-based-network-analysis-characterizes-biological-processes-and-pathways-activated-by-preconditioned-mesenchymal-stem-cells-in-cardiac-repair-mechanisms
#13
Dario Di Silvestre, Francesca Brambilla, Giovanni Scardoni, Pietro Brunetti, Sara Motta, Marco Matteucci, Carlo Laudanna, Fabio A Recchia, Vincenzo Lionetti, Pierluigi Mauri
BACKGROUND: We have demonstrated that intramyocardial delivery of human mesenchymal stem cells preconditioned with a hyaluronan mixed ester of butyric and retinoic acid (MSCp(+)) is more effective in preventing the decay of regional myocardial contractility in a swine model of myocardial infarction (MI). However, the understanding of the role of MSCp(+) in proteomic remodeling of cardiac infarcted tissue is not complete. We therefore sought to perform a comprehensive analysis of the proteome of infarct remote (RZ) and border zone (BZ) of pigs treated with MSCp(+) or unconditioned stem cells...
March 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28283540/extrinsic-repair-of-injured-dendrites-as-a-paradigm-for-regeneration-by-fusion-in-caenorhabditis-elegans
#14
Meital Oren-Suissa, Tamar Gattegno, Veronika Kravtsov, Benjamin Podbilewicz
Injury triggers regeneration of axons and dendrites. Research identified factors required for axonal regeneration outside the CNS, but little is known about regeneration triggered by dendrotomy. Here we study neuronal plasticity triggered by dendrotomy and determine the fate of complex PVD arbors following laser surgery of dendrites. We find that severed primary dendrites grow towards each other and reconnect via branch fusion. Simultaneously, terminal branches lose self-avoidance and grow towards each other, meeting and fusing at the tips via an AFF-1-mediated process...
March 10, 2017: Genetics
https://www.readbyqxmd.com/read/28279729/access-to-post-hospitalization-acute-care-facilities-is-associated-with-payer-status-for-open-abdominal-aortic-repair-and-open-lower-extremity-revascularization-in-the-vascular-quality-initiative
#15
Jesus G Ulloa, Karen Woo, Chi-Hong Tseng, Melinda Maggard-Gibbons, David Rigberg
OBJECTIVE: Uninsured patients may not have access to post-acute care facilities that play an important role in clinical recovery and functional outcomes after vascular surgery. We sought to determine whether discharge disposition is associated with insurance status. METHODS: We retrospectively reviewed data from the Vascular Quality Initiative(®) for patients who underwent open abdominal aortic repair (OAR), infra-inguinal bypass (IB) or supra-inguinal bypass (SB) between January 2012 and July 2015...
March 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28279720/stent-assisted-coil-embolization-of-a-symptomatic-renal-artery-aneurysm-at-a-bifurcation-point
#16
Naiem Nassiri, Lauren A Huntress
PURPOSE: Symptomatic renal artery aneurysms at bifurcation points present challenging clinical scenarios rarely amenable to endovascular repair due to concerns regarding parenchymal loss following intervention. Herein, we add to the scant body of literature describing successful endovascular repair of a saccular, symptomatic renal artery aneurysm situated at a bifurcation point. METHODS: A 52 year-old woman with a 2.5 cm extra-parenchymal, saccular, symptomatic left renal artery aneurysm underwent self-expanding stent-assisted detachable platinum microcoil embolization...
March 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28277836/approaches-for-targeting-self-renewal-pathways-in-cancer-stem-cells-implications-for-haematological-treatments
#17
Gillian A Horne, Mhairi Copland
Self-renewal is considered a defining property of stem cells. Self-renewal is essential in embryogenesis and normal tissue repair and homeostasis. However, in cancer, self-renewal pathways, e.g. WNT, NOTCH, Hedgehog and BMP, frequently become de-regulated in stem cells, or more mature progenitor cells acquire self-renewal properties, resulting in abnormal tissue growth and tumorigenesis. Areas Covered: This review considers the conserved embryonic self-renewal pathways, including WNT, NOTCH, Hedgehog and BMP...
March 6, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28272767/a-high-strength-self-healable-antibacterial-and-anti-inflammatory-supramolecular-polymer-hydrogel
#18
Hongbo Wang, Hui Zhu, Weigui Fu, Yinyu Zhang, Bing Xu, Fei Gao, Zhiqiang Cao, Wenguang Liu
There is a significant cost to mitigate the infection and inflammation associated with the implantable medical devices. The development of effective antibacterial and anti-inflammatory biomaterials with novel mechanism of action has become an urgent task. In this study, a supramolecular polymer hydrogel is synthesized by the copolymerization of N-acryloyl glycinamide and 1-vinyl-1,2,4-triazole in the absence of any chemical crosslinker. The hydrogel network is crosslinked through the hydrogen bond interactions between dual amide motifs in the side chain of N-acryloyl glycinamide...
March 8, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/28268191/synergetic-effect-of-topological-cue-and-periodic-mechanical-tension-stress-on-osteogenic-differentiation-of-rat-bone-mesenchymal-stem-cells
#19
Yao Liu, Guang Yang, Huanzhong Ji, Tao Xiang, En Luo, Shaobing Zhou
Mesenchymal stem cells (MSCs) are able to self-renew and differentiate into tissues of mesenchymal origin, making them to be significant for cell-based therapies, such as metabolic bone diseases and bone repair. Regulating the differentiation of MSCs is significant for bone regeneration. Electrospun fibers mimicking natural extracellular matrix (ECM), is an effective artificial ECM to regulate the behaviors and fates of MSCs. The aligned electrospun fibers can modulate polar cell pattern of bone mesenchymal stem cells, which leads to more obvious osteogenic differentiation...
March 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28267621/targeting-hepatic-macrophages-to-treat-liver-diseases
#20
REVIEW
Frank Tacke
Our view on liver macrophages in the context of health and disease has been reformed by the recognition of a remarkable heterogeneity of phagocytes in the liver. Liver macrophages consist of ontogenically distinct populations termed Kupffer cells and monocyte-derived macrophages. Kupffer cells are self-renewing, resident and principally non-migratory phagocytes, serving as sentinels for liver homeostasis. Liver injury triggers Kupffer cell activation, leading to inflammatory cytokine and chemokine release. This fosters the infiltration of monocytes into liver that give rise to large numbers of inflammatory monocyte-derived macrophages...
March 3, 2017: Journal of Hepatology
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