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https://www.readbyqxmd.com/read/29780728/intimal-re-layering-technique-for-type-a-acute-aortic-dissection-reconstructing-the-intimal-layer-continuity-to-induce-remodeling-of-the-false-channel
#1
Eugenio Neri, Enrico Tucci, Giulio Tommasino, Giulia Guaccio, Carmelo Ricci, Pierleone Lucatelli, Marco Cini, Roberto Ceresa, Antonio Benvenuti, Luigi Muzzi
Background: Residual false channel is common after repair of type A acute aortic dissection (TAAAD). Starting from our recent series of TAAAD patients we carried out a retrospective analysis, regarding the failure of primary exclusion at the time of the initial operation. We classified the location of the principal entry tears perfusing the residual false channel. The proposed technique represents our attempt to correct the mechanism of false channel perfusion during primary repair. We describe a new technique designed to address some limitations of standard hemiarch aortic replacement...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29780262/high-mortality-due-to-cutaneous-melanoma-in-norway-a-study-of-prognostic-factors-in-a-nationwide-cancer-registry
#2
Trude Eid Robsahm, Per Helsing, Yngvar Nilssen, Linda Vos, Syed Mohammad H Rizvi, Lars A Akslen, Marit B Veierød
Purpose: The purpose of this study was to examine why Norway has the highest rate of mortality due to cutaneous melanoma (CM) in Europe. The Norwegian Malignant Melanoma Registry (NMMR) enables the study of clinical and histopathological characteristics of patients who die due to CM. Results: The NMMR and the Norwegian Cause of Death Registry provided data on the clinical and histopathological factors as well as the date and cause of death, through June 2015 for all first invasive CMs diagnosed in 2008-2012 (n=8087)...
2018: Clinical Epidemiology
https://www.readbyqxmd.com/read/29777889/endovascular-management-of-a-ruptured-basilar-perforator-artery-aneurysm-associated-with-a-pontine-arteriovenous-malformation-a-case-report-and-review-of-the-literature
#3
Joseph Lockwood, Tyler Scullen, Mansour Mathkour, Ascher Kaufmann, Ricky Medel, Aaron S Dumont, Peter S Amenta
BACKGROUND: Arteriovenous malformation (AVM)-associated aneurysms are common, being reported in 15% of cases. In regards to ruptured posterior fossa AVMs, associated aneurysms are present in 48% of cases and are the etiology of the bleed in 37%. We present a 75 year-old female who presented with a subarachnoid hemorrhage (SAH) secondary to a ruptured aneurysm arising from a flow-related basilar perforator artery feeder of an anterior pontine AVM. We report the successful treatment of the aneurysm with coil embolization...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29770500/variable-anatomic-configuration-of-the-posterior-spinal-arteries-in-humans
#4
Santiago Rojas, Marisa Ortega, Alfonso Rodríguez-Baeza
INTRODUCTION: Posterior spinal arteries (PSAs) arise from the vertebral (VA) or posterior inferior cerebellar (PICA) artery. We identified variations in their origins and their anastomosis with the first posterior radiculomedullary branches in human spinal cords. MATERIALS AND METHODS: Spinal cords from male and female cadavers (n = 30) were injected with colored latex through the vertebral, ascending cervical, costocervical trunk and segmental arteries. Specimens were fixed in formalin and the spinal arteries were dissected under a surgical microscope...
May 17, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29769055/one-visceral-artery-may-be-enough-successful-pancreatectomy-in-a-patient-with-total-occlusion-of-the-celiac-and-superior-mesenteric-arteries
#5
Evangelos Tagkalos, Florian Jungmann, Hauke Lang, Stefan Heinrich
BACKGROUND: The anatomic variations of the visceral arteries are not uncommon. The liver arterial blood supply shows 50% variability between humans, with the most common anatomy being one hepatic artery arising from the celiac trunk and one pancreatico-duodenal arcade between the celiac trunk and the superior mesenteric artery. Occlusion of one artery are mostly asymptomatic but may become clinically relevant when surgery of the liver, bile duct or the pancreas is required. If these pathologies are not reversible, an oncologic pancreatic head resection cannot be performed...
May 16, 2018: BMC Surgery
https://www.readbyqxmd.com/read/29764461/characterization-of-a-new-apple-luteovirus-identified-by-high-throughput-sequencing
#6
Huawei Liu, Liping Wu, Ekaterina Nikolaeva, Kari Peter, Zongrang Liu, Dimitre Mollov, Mengji Cao, Ruhui Li
BACKGROUND: 'Rapid Apple Decline' (RAD) is a newly emerging problem of young, dwarf apple trees in the Northeastern USA. The affected trees show trunk necrosis, cracking and canker before collapse in summer. In this study, we discovered and characterized a new luteovirus from apple trees in RAD-affected orchards using high-throughput sequencing (HTS) technology and subsequent Sanger sequencing. METHODS: Illumina NextSeq sequencing was applied to total RNAs prepared from three diseased apple trees...
May 15, 2018: Virology Journal
https://www.readbyqxmd.com/read/29761077/anatomical-cadaver-study-of-endolaryngeal-vascularization-focus-on-the-glottis-supraglottis-and-subglottis-from-the-transoral-microsurgical-point-of-view
#7
Pietro Perotti, Marco Ferrari, Nausica Montalto, Davide Lancini, Alberto Paderno, Fabiola Incandela, Barbara Buffoli, Luigi Fabrizio Rodella, Cesare Piazza
Introduction: Carbon dioxide laser coagulation during transoral laser microsurgery (TLM) for laryngeal cancer allows control of bleeding from vessels smaller than 0.5 mm. Therefore, larger arteries and veins must be carefully managed by clipping and/or monopolar cautery. The aim of this paper is to detail endolaryngeal vascular anatomy and identify areas of possible bleeding during TLM. Methods: We performed an anatomical study on a series of 11 fresh-frozen human cadavers...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29754885/langerhans-cell-histiocytosis-in-children-history-classification-pathobiology-clinical-manifestations-and-prognosis
#8
REVIEW
Jolie Krooks, Milen Minkov, Angela G Weatherall
Langerhans cell histiocytosis (LCH) is an inflammatory neoplasia of myeloid precursor cells driven by mutations in the mitogen-activated protein kinase pathway. When disease involves the skin, LCH most commonly presents as a seborrheic dermatitis or eczematous eruption on the scalp and trunk. Evaluation for involvement of other organ systems is essential, because 9 of 10 patients presenting with cutaneous disease also have multisystem involvement. Clinical manifestations range from isolated disease with spontaneous resolution to life-threatening multisystem disease...
June 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29753728/retinal-adaptation-to-dim-light-vision-in-spectacled-caimans-caiman-crocodilus-fuscus-analysis-of-retinal-ultrastructure
#9
Anett Karl, Silke Agte, Astrid Zayas-Santiago, Felix N Makarov, Yomarie Rivera, Jan Benedikt, Mike Francke, Andreas Reichenbach, Serguei N Skatchkov, Andreas Bringmann
It has been shown that mammalian retinal glial (Müller) cells act as living optical fibers that guide the light through the retinal tissue to the photoreceptor cells (Agte et al., 2011; Franze et al., 2007). However, for nonmammalian species it is unclear whether Müller cells also improve the transretinal light transmission. Furthermore, for nonmammalian species there is a lack of ultrastructural data of the retinal cells, which, in general, delivers fundamental information of the retinal function, i.e. the vision of the species...
May 10, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29753583/pyoderma-gangrenosum-on-the-nose
#10
Takuya Tomioka, Keiko Soma, Yoichiro Sato, Koshiro Miura, Ayako Endo
Pyoderma gangrenosum is a rare ulcerative condition associated with various systemic diseases. Lesions on the lower extremities and the trunk are common, but lesions on the nose are rare. Here we report a case of pyoderma gangrenosum on the nose. A 33-year-old woman presented with fever, nasal obstruction, and painful swelling on the nasal bridge. Physical examination revealed swellings on the nasal septal mucosa bilaterally. Computed tomography showed a septal abscess and a subcutaneous abscess on the nasal bridge...
May 9, 2018: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29750927/frozen-elephant-trunk-for-acute-type-b-dissection-involving-the-distal-arch-in-the-hybrid-repair-era
#11
Rui-Dong Qi, Jun-Ming Zhu, Yong-Min Liu, Lei Chen, Cheng-Nan Li, Xiao-Yan Xing, Nan Zhang, Li-Zhong Sun
BACKGROUND: Hybrid repair of complicated acute type B aortic dissection(ATBAD) with aortic arch involvement is associated with a high rate of endoleak, stroke, and retrograde aortic dissection. Optimal management of this lesion remains uncertain. In this hybrid repair era, surgical results of ATBAD with distal aortic arch involvement using a frozen elephant trunk(FET) procedure with left subclavian artery(LSCA)-left common carotid artery(LCCA) transposition is reported. METHODS: From April 2011 to April 2016, 53 patients with complicated ATBAD with distal aortic arch involvement underwent a FET procedure with LSCA-LCCA transposition...
May 8, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29745786/loading-differences-in-single-leg-landing-in-the-forehand-and-backhand-side-courts-after-an-overhead-stroke-in-badminton-a-novel-tri-axial-accelerometer-research
#12
Shogo Sasaki, Yasuharu Nagano, Hiroshi Ichikawa
Anterior cruciate ligament (ACL) injuries in badminton commonly occur during single-leg landing after an overhead stroke in the backhand-side court. This study compared differences in trunk acceleration and kinematic variables during single-leg landing in the forehand- and backhand-side courts after an overhead stroke. Eighteen female junior badminton players performed two singles games while wearing a tri-axial accelerometer. The moment that over 4g of resultant acceleration was generated was determined using synchronised video cameras...
May 10, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29727365/evaluating-muscle-mass-in-survivors-of-acute-respiratory-distress-syndrome-a-1-year-multicenter-longitudinal-study
#13
Kitty S Chan, Marina Mourtzakis, Lisa Aronson Friedman, Victor D Dinglas, Catherine L Hough, E Wesley Ely, Peter E Morris, Ramona O Hopkins, Dale M Needham
OBJECTIVES: Rapid muscle wasting occurs during acute respiratory failure, resulting in muscle weakness and functional impairments. This study examines survivors' body composition in the year after acute respiratory distress syndrome and tests associations of patient characteristics, hospital exposures, and survivors' strength and physical functioning with whole body percent lean mass. DESIGN: Prospective cohort study with 6- and 12-month follow-up. SETTING: National study enrolling patients from five study centers...
May 4, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29725762/variations-of-right-bronchial-tree-a-study-with-multi-detector-ct
#14
Tao Wang, Min Meng, Min Huang, Xinya Zhao
PURPOSE: The aim was to display variations of right bronchial tree. METHODS: The bronchial tree images of 238 patients were reconstructed using the postprocessing technique of CT. RESULTS: We revealed four cases rare bronchial branching patterns of right superior lobe. 1 case was referred to as tracheal bronchus. In 1 case, B1 was located in the place of the right superior lobar bronchus and B2 + 3 arose from the right merge of the IB...
May 3, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29725662/management-of-tibioperoneal-trunk-aneurysm-in-a-patient-with-beh%C3%A3-et-disease
#15
Mohammed Hamouda, Hanaa Dakour Aridi, Rachel Elizabeth Lee, Jasninder Singh Dhaliwal, Mahmoud B Malas
Only a few cases of infrapopliteal aneurysms are reported in the literature. These are commonly associated with trauma, infection, and iatrogenic injuries and mostly present as pseudoaneurysms. We report the case of a 44-year-old man with Behçet disease and an 8-cm tibioperoneal trunk aneurysm and discuss the management options of these aneurysms.
March 2018: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29722730/virtual-reality-exploration-and-planning-for-precision-colorectal-surgery
#16
Ludovica Guerriero, Giuseppe Quero, Michele Diana, Luc Soler, Vincent Agnus, Jacques Marescaux, Francesco Corcione
BACKGROUND: Medical software can build a digital clone of the patient with 3-dimensional reconstruction of Digital Imaging and Communication in Medicine images. The virtual clone can be manipulated (rotations, zooms, etc), and the various organs can be selectively displayed or hidden to facilitate a virtual reality preoperative surgical exploration and planning. OBJECTIVE: We present preliminary cases showing the potential interest of virtual reality in colorectal surgery for both cases of diverticular disease and colonic neoplasms...
June 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29721245/an-infantile-alantoaxial-dislocation-with-patent-foramen-ovale-managed-with-titanium-cabling-and-allogenic-bone-grafts
#17
Seidu A Richard, Zhi Gang Lan, Xiao Yang, Siqing Huang
Atlantoaxial dislocation is a disorder that is characterized with loss of stability of the atlas and axis (C1-C2) with consequential loss of usual articulation. Although this condition is very common, no one has reported a case as young as our patients. We present a 7-month infant with bilateral paralysis of the lower limbs for four (4) months with no history of trauma. Computer tomographic (CT-scan) imaging revealed alantoaxial dislocation with severe cervical spinal cord compression. The odontoid process is displaced outwardly with no bone destruction...
March 22, 2018: Pediatric Reports
https://www.readbyqxmd.com/read/29720102/characterization-of-phenotypic-variation-and-genome-aberrations-observed-among-phytophthora-ramorum-isolates-from-diverse-hosts
#18
Marianne Elliott, Jennifer Yuzon, Mathu Malar C, Sucheta Tripathy, Mai Bui, Gary A Chastagner, Katie Coats, David M Rizzo, Matteo Garbelotto, Takao Kasuga
BACKGROUND: Accumulating evidence suggests that genome plasticity allows filamentous plant pathogens to adapt to changing environments. Recently, the generalist plant pathogen Phytophthora ramorum has been documented to undergo irreversible phenotypic alterations accompanied by chromosomal aberrations when infecting trunks of mature oak trees (genus Quercus). In contrast, genomes and phenotypes of the pathogen derived from the foliage of California bay (Umbellularia californica) are usually stable...
May 2, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29718206/facioscapulohumeral-dystrophy-activating-an-early-embryonic-transcriptional-program-in-human-skeletal-muscle
#19
Amy E Campbell, Andrea Belleville, Rebecca Resnick, Sean C Shadle, Stephen J Tapscott
Facioscapulohumeral dystrophy (FSHD) is the third most prevalent muscular dystrophy. A progressive disease, it presents clinically as weakness and wasting of the face, shoulder, and upper arm muscles, with later involvement of the trunk and lower extremities. FSHD develops through complex genetic and epigenetic events that converge on a common mechanism of toxicity with mis-expression of the transcription factor double homeobox 4 (DUX4). There is currently no treatment available for FSHD. However, the consensus that ectopic DUX4 expression in skeletal muscle is the root cause of FSHD pathophysiology has allowed research efforts to turn towards cultivating a deeper understanding of DUX4 biology and the pathways that underlie FSHD muscle pathology, and to translational studies aimed at developing targeted therapeutics using ever more sophisticated cell and animal-based models of FSHD...
April 28, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29717480/genetic-features-of-multicentric-multifocal-intramucosal-gastric-carcinoma
#20
Aya Mizuguchi, Atsushi Takai, Takahiro Shimizu, Tomonori Matsumoto, Ken Kumagai, Shin'ichi Miyamoto, Hiroshi Seno, Hiroyuki Marusawa
Chronic gastritis caused by Helicobacter pylori (H. pylori) infection could lead to the development of gastric cancer. The finding that multiple gastric cancers can develop synchronously and/or metachronously suggests the development of field cancerization in chronically inflamed, H. pylori-infected gastric mucosa. The genetic basis of multiple tumorigenesis in the inflamed stomach, however, is not well understood. In this study, we analyzed the microsatellite instability (MSI) status and copy number aberrations (CNAs) of 41 multiple intramucosal early gastric cancers that synchronously or metachronously developed in 19 patients with H...
May 1, 2018: International Journal of Cancer. Journal International du Cancer
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