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https://www.readbyqxmd.com/read/29346797/aortic-size-and-aortic-dissection-does-one-size-fit-all
#1
Konstantinos Dean Boudoulas, Filippos Triposkiadis, Christodoulos Stefanadis, Harisios Boudoulas
No abstract text is available yet for this article.
January 19, 2018: Cardiology
https://www.readbyqxmd.com/read/29346780/prevention-of-aortic-dissection-suggests-a-diameter-shift-to-a-lower-aortic-size-threshold-for-intervention
#2
Ahmed M Mansour, Sven Peterss, Mohammad A Zafar, John A Rizzo, Hai Fang, Paris Charilaou, Bulat A Ziganshin, Umer M Darr, John A Elefteriades
BACKGROUND: Multiple studies have quantified the relationship between aortic size and risk of dissection. However, these studies estimated the risk of dissection without accounting for any increase in aortic size from the dissection process itself. OBJECTIVES: This study aims to compare aortic size before and after dissection and to evaluate the change in size consequent to the dissection itself. METHODS: Fifty-five consecutive patients (29 type A; 26 type B) with aortic dissection and incidental imaging studies prior to dissection were identified and compared to a control group of aneurysm patients (n = 205)...
January 19, 2018: Cardiology
https://www.readbyqxmd.com/read/29346684/comparing-cortical-trajectory-transforaminal-lumbar-interbody-fusions-against-pedicle-trajectory-transforaminal-lumbar-interbody-fusions-and-posterolateral-fusions-a-retrospective-cohort-study-of-90-day-outcomes
#3
James G Malcolm, Michael K Moore, Falgun H Choksh, Faiz U Ahmad, Daniel Refai
BACKGROUND: The cortical screw (CS) trajectory for pedicle screw placement is believed to require a smaller incision and less tissue dissection resulting in lower blood loss and faster healing; however, this has not yet been confirmed in clinical studies. OBJECTIVE: To compare CS transforaminal lumbar interbody fusions (TLIF), traditional pedicle screw (TPS) trajectory TLIFs, and posterolateral fusion (PLF) without interbody for differences in operative characteristics and complications...
January 13, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29346403/prime-incision-a-minimally-invasive-approach-to-breast-cancer-surgical-treatment-a-2-cohort-retrospective-comparison-with-conventional-breast-conserving-surgery
#4
Silvio Eduardo Bromberg, Patricia Rodrigues Alves de Figueiredo Moraes, Felipe Ades
The prime incision technique is an oncoplastic surgery aimed to remove both the breast tumor and the sentinel lymph node through one incision, thus providing better aesthetic results than the conventional breast conservative two incision technique. We retrospectively evaluated 2 cohorts of 60 consecutive breast cancer patients operated by either conventional breast conservative surgery (N = 26) or one incision surgery (N = 34). There were no recurrence or death events observed in any group. No difference was seen regarding the incidence of surgical complications...
2018: PloS One
https://www.readbyqxmd.com/read/29346168/a-new-robot-assisted-billroth-i-reconstruction-details-of-the-technique-and-early-results
#5
Graziano Ceccarelli, Luigi Marano, Massimo Codacci-Pisanelli, Enrico Andolfi, Alessia Biancafarina, Massimiliano Fabozzi, Stefano Caruso, Alberto Patriti
BACKGROUND: Laparoscopic surgery for gastric tumor is considered a demanding procedure because of lymph node dissection and reconstruction. Billroth-I (B-I) reconstruction after laparoscopic distal gastrectomy is commonly performed extracorporeally because of the complexity of an intracorporeal procedure. Robotic surgery overcomes some limitations of laparoscopy, allowing to reproduce the basic maneuvers of open surgery. We describe a new technique to perform robotic B-I anastomosis. METHODS: Between January 2012 and February 2015, 5 patients underwent distal gastrectomy with intracorporeal B-I-stapled anastomosis...
January 16, 2018: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29346027/postsurgical-outcomes-and-surgical-completeness-of-robotic-thyroid-surgery-a-single-surgeon-s-experience-on-700-cases
#6
Eon-Bin Kim, Jae Won Cho, Yu-Mi Lee, Tae-Yon Sung, Jong Ho Yoon, Ki-Wook Chung, Suck Joon Hong
BACKGROUND: Advanced technology and understanding of robotic surgical system have rendered robotic thyroid surgery more expanding. The aim of this study was to identify the periodic changes in postsurgical outcomes of robotic thyroid surgery performed by a single surgeon. METHODS: We conducted a retrospective review of 700 robotic thyroid surgery cases using gasless trans-axillary approach. RESULTS: All patients underwent successful operations without conversion to open surgery, and were mostly younger than 45 years, female, less-extended thyroid surgery and lymph node dissection, and thyroid cancer...
January 18, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29345988/measuring-entropy-in-molecular-recognition-by-proteins
#7
A Joshua Wand, Kim A Sharp
Molecular recognition by proteins is fundamental to the molecular basis of biology. Dissection of the thermodynamic landscape governing protein-ligand interactions has proven difficult because determination of various entropic contributions is quite challenging. Nuclear magnetic resonance relaxation measurements, theory, and simulations suggest that conformational entropy can be accessed through a dynamical proxy. Here, we review the relationship between measures of fast side-chain motion and the underlying conformational entropy...
January 18, 2018: Annual Review of Biophysics
https://www.readbyqxmd.com/read/29345722/morphometric-properties-of-the-tensor-fascia-lata-muscle-in-human-fetuses
#8
Orhan Beger, Turan Koç, Burhan Beger, Deniz Uzmansel, Zeliha Kurtoğlu
In neonatal and early childhood surgeries such as meningomyelocele repairs, closing deep wounds and oncological treatment, tensor fasciae lata (TFL) flaps are used. However, there are not enough data about structural properties of TFL in fetuses, which can be considered as the closest to neonates in terms of sampling. This study's main objective is to gather data about morphological structures of TFL in human fetuses to be used in newborn surgery. Fifty formalin-fixed fetuses (24 Male - 26 Female) with gestational age ranging from 18 - 30 weeks (mean 22...
January 18, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29345697/re-singh-a-et-al-robot-assisted-retroperitoneal-lymph-node-dissection-feasibility-and-outcome-in-postchemotherapy-residual-mass-in-testicular-cancer-indian-j-urol-2017-33-304-9
#9
COMMENT
Mustafa Zafer Temiz, Omer Onur Cakir, Engin Kandirali, Atilla Semercioz
No abstract text is available yet for this article.
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29345550/an-anatomy-pre-course-predicts-student-performance-in-a-professional-veterinary-anatomy-curriculum
#10
Margaret A McNulty, Michelle D Lazarus
Little to no correlation has been identified between previous related undergraduate coursework or outcomes on standardized tests and performance in a veterinary curriculum, including anatomy coursework. Therefore, a relatively simplistic method to predict student performance before entrance would be advantageous to many. The purpose of this study was to evaluate whether there is a correlation between performance in a veterinary anatomy pre-course and subsequent performance within a professional anatomy curriculum...
January 18, 2018: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/29344872/a-laser-microdissection-liquid-chromatography-tandem-mass-spectrometry-workflow-for-post-mortem-analysis-of-brain-tissue
#11
David C Hondius, Jeroen J M Hoozemans, Annemieke J M Rozemuller, Ka Wan Li, August B Smit
Improved speed and sensitivity of mass spectrometry allow the simultaneous quantification of high numbers of proteins from increasingly smaller quantities of tissue sample. Quantitative data of the proteome is highly valuable for providing unbiased information on, for example, protein expression changes related to disease or identifying related biomarkers. In brain diseases the affected area can be small and pathogenic events can be related to a specific cell type in an otherwise heterogeneous tissue type. An emerging approach dedicated to analyzing this type of samples is laser micro-dissection (LMD) combined with LC-MS/MS into a single workflow...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344871/laser-capture-microdissection-for-layer-specific-analysis-of-enteric-ganglia
#12
Corinna Rosenbaum, Martina Böttner, Thilo Wedel, Marco Metzger
The enteric nervous system (ENS) is the division of the autonomic nervous system that innervates the gastrointestinal (GI) tract and controls central intestinal functions such as peristalsis and fluid movement. Enteric nerve cell bodies (neurons and glia) are predominantly organized in ganglionated networks that are present along the entire length of the GI tract in multiple tissue layers. Most cell bodies are organized in the myenteric plexus allocated between the longitudinal and the circular muscle layers or in the submucosal plexus between muscle tissue and mucosa...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344870/cell-specific-rna-quantification-in-human-sn-da-neurons-from-heterogeneous-post-mortem-midbrain-samples-by-uv-laser-microdissection-and-rt-qpcr
#13
Johanna Duda, Michael Fauler, Jan Gründemann, Birgit Liss
Cell specificity of gene expression analysis is from particular relevance when the abundance of target cells is not homogeneous in the compared tissue samples, like it is the case, e.g., when comparing brain tissues from controls and in neurodegenerative disease states. While single-cell gene expression profiling is already a methodological challenge per se, it becomes even more prone to artifacts when analyzing individual cells from human post-mortem samples. Not only because human samples can never be matched as precisely as those from animal models, but also, because the RNA-quality that can be obtained from human samples usually displays a high range of variability...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344868/laser-capture-microdissection-for-the-analysis-of-rat-and-human-spinal-cord-ependyma-by-qpcr
#14
Daniel Garcia-Ovejero, Beatriz Paniagua-Torija, Angel Arevalo-Martin, Beatriz Navarro-Galve, Eduardo Molina-Holgado
In the last few decades many efforts have been dedicated to decipher the nature and regenerative potential of neurogenic niches and endogenous stem cells after damage of the central nervous system. In the spinal cord, it has been largely focused on the ependymal region, which hosts neural precursors/stem cells (NSC) in rodents but differs between species and ages. In the current chapter, we detail our protocol to study the gene expression profile of this region using fresh frozen blocks of rat and human post-mortem spinal cords...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344857/adaptation-of-laser-microdissection-technique-to-nanostring-rna-analysis-in-the-study-of-a-spontaneous-metastatic-mammary-carcinoma-mouse-model
#15
Nadia P Castro, Yelena G Golubeva
The mouse model characterized by spontaneous lung metastasis from JygMC (A) cells closely resembles the human triple negative breast cancer (TNBC) subtype. The primary tumors morphologically present both epithelial and spindle-like cells, but metastases in lung parenchyma display only adenocarcinoma properties. In the study of molecular signatures, laser capture microdissection (LCM) on frozen tissue sections was used to separate the following regions of interest: the epithelial-mesenchymal transition (EMT), mesenchymal-epithelial transition (MET), carcinoma, lung metastases, normal mammary gland and normal lung parenchyma...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29344571/underwater-endoscopic-mucosal-resection-a-new-endoscopic-method-for-resection-of-rectal-neuroendocrine-tumor-grade-1-carcinoid-%C3%A2-%C3%A2-10%C3%A2-mm-in-diameter
#16
Takeshi Yamashina, Takehiko Tumura, Takanori Maruo, Takayuki Matsumae, Hiroyuki Yoshida, Gensho Tanke, Mio Taki, Manabu Fukuhara, Yoshito Kimura, Azusa Sakamoto, Shinichiro Henmi, Yugo Sawai, Sumio Saito, Norihiro Nishijima, Akihiro Nasu, Hideyuki Komekado, Masanori Asada, Ryuichi Kita, Toru Kimura, Yukio Osaki
Background and study aims  Rectal neuroendocrine tumors grade 1 (NET G1; carcinoid) ≤ 10 mm in diameter often extend into the submucosa, making their complete histological resection difficult using endoscopic techniques. Endoscopic submucosal resection with a ligation device (ESMR-L) and endoscopic submucosal dissection (ESD) are commonly used to overcome these difficulties. We also previously reported that underwater endoscopic mucosal resection (UEMR) could facilitate resection of rectal NET G1...
January 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29344484/adenocarcinoma-of-the-retinal-pigment-epithelium-arising-in-conjunction-with-late-recurrence-and-systemic-metastasis-of-retinoblastoma
#17
Kelsey Roelofs, Femida Kherani, Laurie Russell, J Godfrey Heathcote, Ezekiel Weis
In 1974, an 8-month-old male was diagnosed with bilateral retinoblastoma. His left eye was enucleated, while the right eye was salvaged with a combination of external beam radiotherapy (4,000 cGy total, divided in 20 fractions) and retinal laser treatment. Thirty-nine years later, he developed intraocular recurrence of retinoblastoma with extrascleral spread. Histopathological examination also identified a second distinct malignancy, retinal pigment epithelium adenocarcinoma, arising in continuity with the retinoblastoma...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29343888/medial-femoral-condyle-vascularised-corticoperiosteal-graft-a-suitable-choice-for-scaphoid-non-union
#18
Samir Kumta, Sudhir Warrier, Leena Jain, Rani Ummal, Manik Menezes, Shrirang Purohit
Introduction: Scaphoid fractures are not very common and frequently remain undiagnosed, presenting in non-union and persistent wrist pain. Options for scaphoid fracture treatment have been described over several decades, however, none with an optimal solution to achieve union along with good hand function. We describe here, the use of vascularised corticoperiosteal bone grafts from the medial femoral condyle (MFC) as a solution for the difficult problem of scaphoid fracture non-union...
May 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/29343869/spatiotemporal-allele-organization-by-allele-specific-crispr-live-cell-imaging-snp-cling
#19
Philipp G Maass, A Rasim Barutcu, David M Shechner, Catherine L Weiner, Marta Melé, John L Rinn
Imaging and chromatin capture techniques have provided important insights into our understanding of nuclear organization. A limitation of these techniques is the inability to resolve allele-specific spatiotemporal properties of genomic loci in living cells. Here, we describe an allele-specific CRISPR live-cell DNA imaging technique (SNP-CLING) to provide the first comprehensive insights into allelic positioning across space and time in mouse embryonic stem cells and fibroblasts. With 3D imaging, we studied alleles on different chromosomes in relation to one another and relative to nuclear substructures such as the nucleolus...
January 8, 2018: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/29343811/a-procession-of-metabolic-alterations-accompanying-muscle-senescence-in-manduca-sexta
#20
Bernard W M Wone, Jason M Kinchen, Elana R Kaup, Beate Wone
Biological aging profoundly impairs muscle function, performance, and metabolism. Because the progression of metabolic alterations associated with aging muscle has not been chronicled, we tracked the metabolic profiles of flight muscle from middle to advanced age in Manduca sexta to identify key molecules during the progression of muscle aging, as well as to evaluate the utility of the M. sexta system for molecular dissection of muscle aging. We identified a number of differences between Diel Time, Sexes, and Muscle Ages, including changes in metabolites related to energetics, extracellular matrix turnover, and glutathione metabolism...
January 17, 2018: Scientific Reports
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