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https://www.readbyqxmd.com/read/28432415/use-of-computer-imaging-in-rhinoplasty-a-survey-of-the-practices-of-facial-plastic-surgeons
#1
Prabhjyot Singh, Steven Pearlman
OBJECTIVE: The objective of this study was to quantify the use of computer imaging by facial plastic surgeons. METHODS: AAFPRS Facial plastic surgeons were surveyed about their use of computer imaging during rhinoplasty consultations. The survey collected information about surgeon demographics, practice settings, practice patterns, and rates of computer imaging (CI) for primary and revision rhinoplasty. For those surgeons who used CI, additional information was also collected, which included who performed the imaging and whether the patient was given the morphed images after the consultation...
April 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28423373/distribution-of-interstitial-telomeric-sequences-in-primates-and-the-pygmy-tree-shrew-scandentia
#2
Sofia Mazzoleni, Odessa Schillaci, Luca Sineo, Francesca Dumas
It has been hypothesized that interstitial telomeric sequences (ITSs), i.e., repeated telomeric DNA sequences found at intrachromosomal sites in many vertebrates, could be correlated to chromosomal rearrangements and plasticity. To test this hypothesis, we hybridized a telomeric PNA probe through FISH on representative species of 2 primate infraorders, Strepsirrhini (Lemur catta, Otolemur garnettii, Nycticebus coucang) and Catarrhini (Erythrocebus patas, Cercopithecus petaurista, Chlorocebus aethiops, Colobus guereza), as well as on 1 species of the order Scandentia, Tupaia minor, used as an outgroup for primates in phylogenetic reconstructions...
April 20, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28421591/-full-plastic-jacket-reconstruction-of-18-cm-of-coronary-arteries-with-bioresorbable-vascular-scaffolds-in-a-young-patient-with-st-elevation-myocardial-infarction-and-multivessel-disease
#3
Andrea Denegri, Antonio Halais Frangieh, Fabrizio D'Ascenzo, Jelena Rima Ghadri, Fabian Nietlispach, Christian Templin
No abstract text is available yet for this article.
2017: Cardiology Journal
https://www.readbyqxmd.com/read/28410386/radiation-dose-reduction-in-pediatric-great-vessel-stent-computed-tomography-using-iterative-reconstruction-a-phantom-study
#4
Annemarie M den Harder, Dominika Suchá, Pieter J van Doormaal, Ricardo P J Budde, Pim A de Jong, Arnold M R Schilham, Johannes M P J Breur, Tim Leiner
BACKGROUND: To study dose reduction using iterative reconstruction (IR) for pediatric great vessel stent computed tomography (CT). METHODS: Five different great vessel stents were separately placed in a gel-containing plastic holder within an anthropomorphic chest phantom. The stent lumen was filled with diluted contrast gel. CT acquisitions were performed at routine dose, 52% and 81% reduced dose and reconstructed with filtered back projection (FBP) and IR. Objective image quality in terms of noise, signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) as well as subjective image quality were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28409112/plasticity-of-premotor-cortico-muscular-coherence-in-severely-impaired-stroke-patients-with-hand-paralysis
#5
Paolo Belardinelli, Leonard Laer, Erick Ortiz, Christoph Braun, Alireza Gharabaghi
Motor recovery in severely impaired stroke patients is often very limited. To refine therapeutic interventions for regaining motor control in this patient group, the functionally relevant mechanisms of neuronal plasticity need to be detected. Cortico-muscular coherence (CMC) may provide physiological and topographic insights to achieve this goal. Synchronizing limb movements to motor-related brain activation is hypothesized to reestablish cortico-motor control indexed by CMC. In the present study, right-handed, chronic stroke patients with right-hemispheric lesions and left hand paralysis participated in a four-week training for their left upper extremity...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28403006/reply-not-all-clefts-are-created-equal-patterns-of-hospital-based-care-use-among-children-with-cleft-lip-and-palate-within-4-years-of-initial-surgery-published-in-plastic-and-reconstructive-surgery-of-june-2016
#6
Camille H A L Guillaume, E van Drie, Corstiaan Breugem
No abstract text is available yet for this article.
February 15, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28400897/postsurgical-pyoderma-gangrenosum-following-carpal-tunnel-release-a-rare-disease-following-a-common-surgery
#7
Michael R Ruebhausen, Shaun D Mendenhall, Michael W Neumeister, Nada N Berry
Objective: Postsurgical pyoderma gangrenosum is a rare but potentially devastating condition for surgical patients. While pyoderma gangrenosum has 2 subtypes, typical and atypical, each can be further classified by its heralding features. These include ulcerative, pustular, bullous, and vegetative. The presentation can be a result of trauma or, as mentioned before, postsurgical. The plastic and reconstructive surgeon most likely will encounter postsurgical pyoderma gangrenosum in practice, as it has been reported in patient populations frequently seen in plastic surgery clinics...
2017: Eplasty
https://www.readbyqxmd.com/read/28399026/the-effects-of-music-on-microsurgical-technique-and-performance-a-motion-analysis-study
#8
Afaaf Shakir, Arhana Chattopadhyay, Laurence S Paek, Rory B McGoldrick, Matthew D Chetta, Kenneth Hui, Gordon K Lee
BACKGROUND: Music is commonly played in operating rooms (ORs) throughout the country. If a preferred genre of music is played, surgeons have been shown to perform surgical tasks quicker and with greater accuracy. However, there are currently no studies investigating the effects of music on microsurgical technique. Motion analysis technology has recently been validated in the objective assessment of plastic surgery trainees' performance of microanastomoses. Here, we aimed to examine the effects of music on microsurgical skills using motion analysis technology as a primary objective assessment tool...
May 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28393261/addressing-sufficiency-of-the-cb1-receptor-for-endocannabinoid-mediated-functions-through-conditional-genetic-rescue-in-forebrain-gabaergic-neurons
#9
Floortje Remmers, Maren D Lange, Martina Hamann, Sabine Ruehle, Hans-Christian Pape, Beat Lutz
Genetic inactivation of the cannabinoid CB1 receptor gene in different cell types in the brain has previously revealed necessary functions for distinct synaptic plasticity processes and behaviors. Here, we sought to identify CB1 receptor expression sites that are minimally required to reconstruct normal phenotypes. In a CB1-null background, we re-expressed endogenous CB1 receptors in forebrain GABAergic neurons, thereby assessing the sufficiency of CB1 receptors. Depolarization-induced suppression of inhibitory, but not excitatory, transmission was restored in hippocampal and amygdalar circuits...
April 9, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28392451/electron-tomography-simulator-with-realistic-3d-phantom-for-evaluation-of-acquisition-alignment-and-reconstruction-methods
#10
Xiaohua Wan, Tsvi Katchalski, Christopher Churas, Sreya Ghosh, Sebastien Phan, Albert Lawrence, Yu Hao, Ziying Zhou, Ruijuan Chen, Yu Chen, Fa Zhang, Mark H Ellisman
Because of the significance of electron microscope tomography in the investigation of biological structure at nanometer scales, ongoing improvement efforts have been continuous over recent years. This is particularly true in the case of software developments. Nevertheless,verification of improvements delivered by new algorithms and software remains difficult. Current analysis tools do not provide adaptable and consistent methods for quality assessment.This is particularly true with images of biological samples, due to image complexity, variability, low contrast and noise...
April 6, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28387148/malignant-triton-tumor-malignant-peripheral-nerve-sheath-tumor-with-rhabdomyoblastic-differentiation-occurring-in-a-vascularized-free-flap-reconstruction-graft
#11
Roopa Ram, Jerad Gardner, Sindhura Alapati, Kedar Jambhekar, Tarun Pandey, Corey Montgomery, Richard Nicholas
Malignant peripheral nerve sheath tumor (MPNST) is a rare form of sarcoma arising from Schwann cells or pluripotent cells of the neural crest. Malignant triton tumor (MTT) is a subtype of MPNST with a component of malignant rhabdomyoblasts in addition to malignant Schwann cells. MPNST and MTT are both aggressive malignancies that most commonly arise from large deep neurofibromas in patients with neurofibromatosis type 1 (NF-1). However, sporadic non-NF-1 cases of MTT have also been reported in the literature...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28385725/impact-of-image-reconstruction-parameters-when-using-3d-dsa-reconstructions-to-measure-intracranial-aneurysms
#12
Katrina L Ruedinger, David R Rutkowski, Sebastian Schafer, Alejandro Roldán-Alzate, Erick L Oberstar, Charles Strother
BACKGROUND AND PURPOSE: Safe and effective use of newly developed devices for aneurysm treatment requires the ability to make accurate measurements in the angiographic suite. Our purpose was to determine the parameters that optimize the geometric accuracy of three-dimensional (3D) vascular reconstructions. METHODS: An in vitro flow model consisting of a peristaltic pump, plastic tubing, and 3D printed patient-specific aneurysm models was used to simulate blood flow in an intracranial aneurysm...
April 6, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28383829/poly-ethylene-glycol-based-hydrogels-as-self-inflating-tissue-expanders-with-tunable-mechanical-and-swelling-properties
#13
Mahsa Jamadi, Parvin Shokrollahi, Behzad Houshmand, Mortaza Daliri Joupari, Fatemeh Mashhadiabbas, Ali Khademhosseini, Nasim Annabi
Tissue expansion is used by plastic/reconstructive surgeons to grow additional skin/tissue for replacing or repairing lost or damaged soft tissues. Recently, hydrogels have been widely used for tissue expansion applications. Herein, a self-inflating tissue expander blend composition from three different molecular weights (2, 6, and 10 kDa) of poly (ethylene glycol) diacrylate (PEGDA) hydrogel with tunable mechanical and swelling properties is presented. The in vitro results demonstrate that, of the eight studied compositions, P6 (PEGDA 6 kDa:10 kDa (50:50)) and P8 (PEGDA 6 kDa:10 kDa (35:65)) formulations provide a balance of mechanical property and swelling capability suitable for tissue expansion...
April 6, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28381410/the-telomeric-dna-damage-response-occurs-in-the-absence-of-chromatin-decompaction
#14
Aleksandra Vancevska, Kyle M Douglass, Verena Pfeiffer, Suliana Manley, Joachim Lingner
Telomeres are specialized nucleoprotein structures that protect chromosome ends from DNA damage response (DDR) and DNA rearrangements. The telomeric shelterin protein TRF2 suppresses the DDR, and this function has been attributed to its abilities to trigger t-loop formation or prevent massive decompaction and loss of density of telomeric chromatin. Here, we applied stochastic optical reconstruction microscopy (STORM) to measure the sizes and shapes of functional human telomeres of different lengths and dysfunctional telomeres that elicit a DDR...
March 15, 2017: Genes & Development
https://www.readbyqxmd.com/read/28376233/a-call-for-fertility-preservation-coverage-for-breast-cancer-patients-the-cost-of-consistency
#15
Jessica R Walter, Shuai Xu, Teresa K Woodruff
In 1998, the passage of the Women's Health and Cancer Rights Act required insurance health plans nationwide covering breast cancer treatments to also reimburse for subsequent breast reconstructive surgery and prostheses. In response to low utilization of breast reconstructive services, particularly among racial minorities, plastic surgery interest groups successfully advocated for the passage of the Breast Cancer Patient Education Act, which provides a timely opportunity to reconsider patient accessibility to other equally important quality of life issues for cancer survivors...
May 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28374302/reduction-mammaplasty-for-breast-symmetrisation-in-implant-based-reconstructions
#16
Fabrizio De Biasio, Nicola Zingaretti, Francesca De Lorenzi, Michele Riccio, Luca Vaienti, Pier Camillo Parodi
BACKGROUND: Healthy breast surgery constitutes an important step to achieve symmetry in unilateral implant-based reconstructions. We analysed long-term results of breast symmetry obtained with reduction mammaplasties, and we evaluated whether different glandular pedicles may better preserve long-term stability. METHOD: Between 2006 and 2012, 90 patients underwent mastectomy and immediate reconstruction with tissue expanders and simultaneous contralateral reduction mammaplasty...
April 3, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28373496/in-vivo-patch-clamp-recording-in-awake-head-fixed-rodents
#17
Doyun Lee, Albert K Lee
Whole-cell recording has been used to measure and manipulate a neuron's spiking and subthreshold membrane potential, allowing assessment of the cell's inputs and outputs as well as its intrinsic membrane properties. This technique has also been combined with pharmacology and optogenetics as well as morphological reconstruction to address critical questions concerning neuronal integration, plasticity, and connectivity. This protocol describes a technique for obtaining whole-cell recordings in awake head-fixed animals, allowing such questions to be investigated within the context of an intact network and natural behavioral states...
April 3, 2017: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/28363676/variable-operative-experience-in-hand-surgery-for-plastic-surgery-residents
#18
Jason Silvestre, Ines C Lin, Lawrence Scott Levin, Benjamin Chang
BACKGROUND: Efforts to standardize hand surgery training during plastic surgery residency remain challenging. We analyze the variability of operative hand experience at U.S. plastic surgery residency programs. METHODS: Operative case logs of chief residents in accredited U.S. plastic surgery residency programs were analyzed (2011-2015). Trends in fold differences of hand surgery case volume between the 10th and 90th percentiles of residents were assessed graphically...
March 28, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28358765/introduction-of-the-american-academy-of-facial-plastic-and-reconstructive-surgery-face-to-face-database
#19
Manoj T Abraham, Joseph J Rousso, Shirley Hu, Ryan F Brown, Augustine L Moscatello, J Charles Finn, Neha A Patel, Sameep P Kadakia, Donald Wood-Smith
The American Academy of Facial Plastic and Reconstructive Surgery FACE TO FACE database was created to gather and organize patient data primarily from international humanitarian surgical mission trips, as well as local humanitarian initiatives. Similar to cloud-based Electronic Medical Records, this web-based user-generated database allows for more accurate tracking of provider and patient information and outcomes, regardless of site, and is useful when coordinating follow-up care for patients. The database is particularly useful on international mission trips as there are often different surgeons who may provide care to patients on subsequent missions, and patients who may visit more than 1 mission site...
March 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28356519/structural-reconstruction-of-protein-ancestry
#20
Romain Rouet, David B Langley, Peter Schofield, Mary Christie, Brendan Roome, Benjamin T Porebski, Ashley M Buckle, Ben E Clifton, Colin J Jackson, Daniela Stock, Daniel Christ
Ancestral protein reconstruction allows the resurrection and characterization of ancient proteins based on computational analyses of sequences of modern-day proteins. Unfortunately, many protein families are highly divergent and not suitable for sequence-based reconstruction approaches. This limitation is exemplified by the antigen receptors of jawed vertebrates (B- and T-cell receptors), heterodimers formed by pairs of Ig domains. These receptors are believed to have evolved from an extinct homodimeric ancestor through a process of gene duplication and diversification; however molecular evidence has so far remained elusive...
March 29, 2017: Proceedings of the National Academy of Sciences of the United States of America
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