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Tsuyoshi Sasaki, Hitoshi Shitara, Atsushi Yamamoto, Noritaka Hamano, Tsuyoshi Ichinose, Daisuke Shimoyama, Tsutomu Kobayashi, Toshihisa Osawa, Yoshito Tsushima, Kenji Takagishi, Hirotaka Chikuda
BACKGROUND: Supraspinatus muscle atrophy is typically assessed by the occupation ratio of the cross-sectional area of the muscle belly to the supraspinatus fossa at the medial border of the coracoid process in a slice along the oblique-sagittal plane on MRI. Previous studies have shown that the occupation ratio of the supraspinatus changed soon after rotator cuff repair compared with before surgery. However, no studies have examined the perioperative change in the muscle volume assessed with 3-dimensional measurement...
March 1, 2018: American Journal of Sports Medicine
Martha Kim, Ho-Kyung Choung, Kyoung Min Lee, Sohee Oh, Seok Hwan Kim
PURPOSE: To delineate longitudinal changes in the optic nerve head (ONH) and peripapillary structure during myopia progression in childhood using spectral-domain (SD) OCT and to explore the factors associated with myopic ONH and peripapillary changes. DESIGN: Prospective cohort study. PARTICIPANTS: Twenty-three healthy children with myopia (46 eyes). METHODS: The participants underwent fundus photography, SD OCT, and axial length (AXL) measurements every 6 months for 2 years...
March 14, 2018: Ophthalmology
Daniele Alberti, Laura Righetti, Adrian Bianchi, Gian Luigi de'Angelis, Giovanni Boroni
BACKGROUND: Bowel dilatation is a common adaptive mechanism after intestinal resection. The symptomatic dilated dysmotile duodenum is difficult to manage, since conventional bowel tailoring and lengthening techniques are potentially hazardous because of the anatomy of the duodenal blood supply, the proximity to the pancreas, and the risk of injury to the common bile duct. METHODS: A 2-month-old child with short bowel and a symptomatic massively dilated duodenum was treated with a Transverse Flap Duodenoplasty (TFD)...
March 14, 2018: Pediatric Surgery International
Jiejing Li, Mark Perfetto, Russell Neuner, Harinath Bahudhanapati, Laura Christian, Ketan Mathavan, Lance C Bridges, Dominique Alfandari, Shuo Wei
During vertebrate gastrulation, canonical Wnt signaling induces the formation of neural plate border (NPB). Wnt is also thought to be required for the subsequent specification of neural crest (NC) lineage at the NPB, but the direct evidence is lacking. We found previously that the disintegrin metalloproteinase ADAM13 is required for Wnt activation and NC induction in Xenopus Here we report that knockdown of ADAM13 or its close paralog ADAM19 severely downregulates Wnt activity at the NPB, inhibiting NC specification without affecting earlier NPB formation...
March 14, 2018: Development
Gregório Corrêa Patuzzi, Adrielle Priscilla Souza Lira, José Diego Marques Santos, Andrieli Oliveira Barros Reinisch, Aline Alves Veleda
OBJECTIVE: This paper aims to discuss Brazilian undergraduate students'learning in the public health. METHODS: This is a descriptive, reflexive study, characterized as an experience report. Theoretical references of the Canadian and Brazilian health systems were used in order to analyze the public health and the impact of international educational exchange in professional qualification. RESULTS: There are theoretical and conceptual similarities in health systems, in the understanding of social determinants...
March 12, 2018: Revista Gaúcha de Enfermagem
Hyung Wook Park, Hong-Lim Kim, Yong Soo Park, In-Beom Kim
The retina is a highly specialised part of the brain responsible for visual processing. It is well-laminated; three layers containing five different types of neurons are compartmentalised by two synaptic layers. Among the retinal layers, the inner nuclear layer (INL) is composed of horizontal, bipolar, and amacrine cell types. Bipolar cells form one sublayer in the distal half of the IPL, while amacrine cells form another sublayer in the proximal half, without any border-like structure. Here, we report that a plexiform layer-like structure exists temporarily in the border between the bipolar and amacrine sublayers in the INL in the rat retina during retinal development...
February 2018: Experimental Neurobiology
Gretchen L Birbeck
No abstract text is available yet for this article.
March 13, 2018: Neurology
Samuel Wittekind, Wayne Mays, Yvette Gerdes, Sandra Knecht, John Hambrook, William Border, John Lynn Jefferies
Patients with a Fontan circulation have impaired exercise capacity. Cardiac rehabilitation (CR) has shown promise in enhancing peak exercise parameters in this population, but an improvement in submaximal exercise has not been consistently demonstrated. We assessed the hypothesis that participation in CR will be associated with more efficient oxygen extraction and ventilation during submaximal exercise. In this prospective study, pediatric Fontans completed two 60 min CR sessions per week for 12 weeks. Cardiopulmonary exercise testing and stress echocardiography were performed at baseline and last CR session, and then compared with a paired sample t test...
March 9, 2018: Pediatric Cardiology
Qian Wu, Mengmeng Yu, Yuehua Li, Wenbin Li, Zhigang Lu, Meng Wei, Jing Yan, Jiayin Zhang
Objective: To investigate the morphological changes of coronary chronic total occlusion (CTO) as determined by coronary computed tomography angiography (CCTA) follow-up using semi-automated quantitative analysis. Materials and Methods: Thirty patients with 31 CTO lesions confirmed by invasive coronary angiography and baseline/follow-up CCTA were retrospectively included. CTOs were quantitatively analyzed by a semi-automated coronary plaque analysis software (Coronary Plaque Analysis, version 2...
March 2018: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
Reza Khorramirouz, Jason L Go, Christopher Noble, Soumen Jana, Eva Maxson, Amir Lerman, Melissa D Young
OBJECTIVES: Subcutaneous implantations in small animal models are currently required for preclinical studies of acellular tissue to evaluate biocompatibility, including host recellularization and immunogenic reactivity. METHODS: Three rat subcutaneous implantation methods were evaluated in six Sprague Dawley rats. An acellular xenograft made from porcine pericardium was used as the tissue-scaffold. Three implantation methods were performed; 1) Suture method is where a tissue-scaffold was implanted by suturing its border to the external oblique muscle, 2) Control method is where a tissue-scaffold was implanted without any suturing or support, 3) Frame method is where a tissue-scaffold was attached to a circular frame composed of polycaprolactone (PCL) biomaterial and placed subcutaneously...
March 5, 2018: Acta Histochemica
Jessica M Pisegna, James C Borders, Asako Kaneoka, Wendy J Coster, Rebecca Leonard, Susan E Langmore
The purpose of this study was to investigate the reliability of residue ratings on Fiberoptic Endoscopic Evaluation of Swallowing (FEES). We also examined rating differences based on experience to determine if years of experience influenced residue ratings. A group of 44 raters watched 81 FEES videos representing a wide range of residue severities for thin liquid, applesauce, and cracker boluses. Raters were untrained on the rating scales and simply rated their overall impression of residue amount on a visual analog scale (VAS) and a five-point ordinal scale in a randomized fashion across two sessions...
March 7, 2018: Dysphagia
Maciej G Kaczmarski
No abstract text is available yet for this article.
October 2017: Postȩpy Dermatologii i Alergologii
John P Lichtenberger, Andrew M Kim, Dane Fisher, Peter S Tatum, Brian Neubauer, P Gabriel Peterson, Brett W Carter
Introduction: Combat-related thoracic trauma (CRTT) is a significant contributor to morbidity and mortality of the casualties from Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF). Penetrating, blunt, and blast injuries are the most common mechanisms of trauma to the chest. Imaging plays a key role in the battlefield management of CRTT casualties. This work discusses the imaging manifestations of thoracic injuries from blunt trauma and blast injury, emphasizing epidemiology and diagnostic clues seen during OEF and OIF...
March 1, 2018: Military Medicine
Amarnath Chelladurai, Suhasini Balasubramaniam, Sarenya Preyah Anbazhagan, Sathyan Gnanasihamani, Sukumar Ramaswami
Study Design: A retrospective radiological study of the ligamentum flavum (LF). Purpose: We determined the relationship of dorsal spinal LF thickening with age and sex using magnetic resonance imaging (MRI). We also determined whether LF thickening has a predominant tendency to occur at a specific dorsal level and on a specific side. Overview of Literature: Many researchers have studied LF thickness at dorsal levels in patients with compressive myelopathy...
February 2018: Asian Spine Journal
Sombat Kunakornsawat, Letho, Tinnakorn Pluemvitayaporn, Pritsanai Pruttikul, Chaiwat Piyasakulkaew, Kanthika Wasinpongwanich, Piyabuth Kittithamvongs
BACKGROUND: The variation of C1 spinolaminar line in normal population is not fully understood. The relative position of C1 lamina to C3-C2 spinolaminar line is reported as good screening tool for determination of C1 canal stenosis. OBJECTIVE: To determine the variation of C1 spinolaminar line and find the prevalence of C1 canal stenosis in normal population using C3-C2 spinolaminar test. MATERIALS AND METHODS: Three hundred and fifteen lateral cervical radiographs from 315 volunteers without neurological symptoms were analyzed...
March 3, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Amy L Dimachkieh, Allison Dobbie, Damon R Olson, Mark A Lovell, Jeremy D Prager
OBJECTIVE: To review tracheal paragangliomas and describe the clinical presentation, radiologic findings, operative management, and histologic findings of a pediatric patient who presented with stridor refractory to traditional asthma therapy. METHODS: Chart review of an 8-year-old male who presented to a tertiary care pediatric hospital and literature review of tracheal paragangliomas. RESULTS: We present the case of an 8-year-old male who presented with new-onset of wheezing and dyspnea on exertion...
April 2018: International Journal of Pediatric Otorhinolaryngology
Pieter J Stuyfzand, Martin L van der Schans
In the coastal dunes of the Western Netherlands, managed aquifer recharge (MAR) is applied for drinking water supply since 1957. The MAR systems belong to the Aquifer Transfer Recovery (ATR) type, because recharge and recovery are operated without interruption. This makes these systems very vulnerable to intake interruptions, which are expected to increase in frequency and duration due to climate change. Such interruptions are problematic, because: (i) groundwater recovery from dunes needs to continue to supply fresh drinking water to the Western Netherlands; (ii) risks of salt water intrusion are high, and (iii) MAR bordering wet dune slacks with an EU Natura 2000 status cannot survive for long without MAR...
February 27, 2018: Science of the Total Environment
Shoko Merrit Yamada, Yusuke Tomita, Soichiro Shibui, Mikiko Takahashi, Masashi Kawamoto, Sumihito Nobusawa, Junko Hirato
Astroblastoma is a rare tumor that is thought to occur exclusively in the cerebrum. To the authors' knowledge, no cases of spinal cord astroblastoma have been reported. A 20-year-old woman presented with numbness in her legs. MRI demonstrated a 2-cm intramedullary enhancing lesion in the spinal cord at the T-1 level. The patient declined to undergo resection of the tumor because she was able to walk unassisted; however, she returned for surgery 1 month later because she had developed paraplegia with bladder and rectal dysfunction, and MRI showed enlargement of the tumor...
March 2, 2018: Journal of Neurosurgery. Spine
Nadia A Farrag, Venkat Ramanan, Graham A Wright, Eranga Ukwatta
PURPOSE: Myocardial infarct (MI) may consist of an infarct core (IC) and a heterogeneous, semi-viable border zone (BZ). Patients with chronic MI in the left ventricular (LV) myocardium are at increased risk of developing ventricular arrhythmias, and may therefore qualify for implantable cardioverter defibrillator (ICD) therapy. Indices based on MI mass, as determined by cardiac magnetic resonance (CMR) imaging, are shown to be sensitive in predicting adverse ventricular arrhythmic events...
March 1, 2018: Medical Physics
Miki Watanabe, Akira Watanabe, Nobuo Takano, Chikara Saito, Takahiko Shibahara
OBJECTIVE: The present study aimed to determine the structure and morphology of the maxilla in patients with cleft lip and palate to ensure safe Le Fort I osteotomy. PATIENTS: A total of 34 sides of 17 patients with unilateral cleft lip and palate (nonsyndromic cases) were included in this study. The control group included 10 sides of 5 patients who exhibited skeletal mandibular protrusion without malformation. METHODS: Finite element analysis was performed to examine the distribution of occlusal force over the maxilla, and continuous 3-dimensional measurement was performed at the sites of stress concentration...
January 1, 2018: Cleft Palate-craniofacial Journal
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