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https://www.readbyqxmd.com/read/28828558/anatomical-study-of-occipital-triangles-the-inferior-suboccipital-triangle-a-useful-vertebral-artery-landmark-for-safe-postero-lateral-skull-base-surgery
#1
Giuseppe La Rocca, Roberto Altieri, Luca Ricciardi, Alessandro Olivi, Giuseppe Maria Della Pepa
BACKGROUND: Vertebral artery (VA) identification within the suboccipital triangle is a key step in craniocervical junction surgery. Often VA exposition at this level is arduous (space-occupying lesions, previous surgery); to identify VA more proximally may prove useful in complex cases. An alternative triangle is present just below the suboccipital one, where VA can be easily controlled; we named it the inferior suboccipital triangle (IST). The aim of the study is to identify IST anatomical relations and VA space orientation and evaluate its practical utility in surgery...
August 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28823075/refractive-corneal-and-ocular-residual-astigmatism-distribution-in-a-german-population-and-age-dependency-the-gutenberg-health-study
#2
Alexander Karl-Georg Schuster, Norbert Pfeiffer, Andreas Schulz, René Hoehn, Katharina A Ponto, Philipp S Wild, Maria Blettner, Manfred E Beutel, Karl J Lackner, Thomas Münzel, Alireza Mirshahi
PURPOSE: Worldwide, the most frequent cause of visual impairment is uncorrected refractive error. This analysis focused on the distribution and associations of refractive, corneal and ocular residual astigmatism. METHODS: As part of the Gutenberg Health study, a population-based cross-sectional study was conducted in the general population of Germany. A comprehensive ophthalmological examination including refraction, tonometry, and Scheimpflug imaging of the anterior cornea (Pachycam) was performed...
August 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28823004/the-influence-of-ocular-sighting-dominance-on-fundus-torsion-in-patients-with-unilateral-congenital-superior-oblique-palsy
#3
Dae Hee Kim, Hyuna Kim, Hyun Taek Lim
PURPOSE: The purpose of our study was to determine whether ocular sighting dominance may influence the ocular torsion in patients with unilateral congenital superior oblique palsy (UCSOP). METHODS: This retrospective study included 22 UCSOP patients with radiologic evidence of unilateral superior oblique muscle hypoplasia on orbital magnetic resonance imaging and 66 healthy individuals with normal ocular motility as controls. Ocular torsion was assessed both quantitatively and qualitatively using digital fundus photography...
August 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28822476/posture-alignment-of-adolescent-idiopathic-scoliosis-photogrammetry-in-scoliosis-school-screening
#4
Patrícia Jundi Penha, Nárima Lívia Jundi Penha, Bárbarah Kelly Gonçalves De Carvalho, Rodrigo Mantelatto Andrade, Ana Carolina Basso Schmitt, Sílvia Maria Amado João
OBJECTIVE: The objective of this study was to describe the posture patterns of adolescents diagnosed with adolescent idiopathic scoliosis (AIS) in a scoliosis school screening (SSS). METHODS: Two-dimensional photogrammetry was used to assess the posture of 37 adolescents diagnosed with scoliosis (scoliosis group, SG) (Cobb angle ≥10°) and 76 adolescents with a false positive diagnosis (false positive group, FPG) (Cobb angle <10°, angle of trunk rotation ≥7°)...
July 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28822026/corneal-thickness-residual-stromal-thickness-and-its-effect-on-opaque-bubble-layer-in-small-incision-lenticule-extraction
#5
Jiaonan Ma, Yan Wang, Liuyang Li, Jiamei Zhang
PURPOSE: To evaluate the effects of the central corneal thickness (CCT) and residual stromal thickness (RST) on the formation of opaque bubble layer (OBL) during small-incision lenticule extraction (SMILE). METHODS: A total of 345 eyes from Refractive Surgery Center database at Tianjin Eye Hospital that had been subjected to SMILE surgery and followed for 6 months were included in this study and divided into OBL and OBL-free groups. Preoperative, intraoperative, and postoperative data for all eyes were evaluated and analyzed using multivariate regression analysis...
August 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28820841/oblique-osteotomy-for-the-correction-of-the-zigzag-deformity-of-wassel-type-iv-polydactyly
#6
Byung Jun Kim, Jun Ho Choi, Sung Tack Kwon
BACKGROUND: Surgical treatment of the Wassel type IV polydactyly of the thumb is technically challenging, especially when it has a diamond-shape or zigzag deformity. However, we obtained good operative results by performing oblique osteotomy with autologous fat graft in 30 patients with zigzag deformity polydactyly. METHODS: Following removal of the radial-sided extra digit, the radially-deviated distal phalanx (DP) was corrected by performing oblique osteotomy at the proximal phalanx (PP)...
August 8, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28820662/the-impact-of-deep-muscle-training-on-the-quality-of-posture-and-breathing
#7
Elżbieta Szczygieł, Jędrzej Blaut, Katarzyna Zielonka-Pycka, Krzysztof Tomaszewski, Joanna Golec, Dorota Czechowska, Agata Masłoń, Edward Golec
Postural control and breathing are mechanically and neuromuscularly interdependent. Both systems- of spinal stability and respiration- involve the diaphragm, transversus abdominis, intercostal muscles, internal oblique muscles and pelvic floor muscles. The aim of the study was to evaluate the effect of exercises activating deep stabilizer muscles on postural control and quality of breathing movements. Eighteen volunteers (25,7 ± 3,5) were recruited from the general population. All the subjects implemented an exercise program activating deep muscles...
August 18, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28820541/automatic-estimation-of-optimal-deployment-of-transcatheter-aortic-valve-implantation-using-computed-tomography
#8
Arthur Kerner, Sobhi Abadi, Roy Dotan, Marcia Javitt, Doron Aronson, Jonathan Lessick
BACKGROUND: A comparison was made between the accuracy of and time saved by using novel automated software for pre-procedural computed tomography (CT) planning before transcatheter aortic valve implantation (TAVI) and manual methods. Preprocedural CT to assess aortic annulus dimensions and predict the optimal C-arm implant angle before TAVI can reduce complications related to incorrect prosthesis sizing and positioning. METHODS: A total of 61 consecutive patients underwent TAVI using either the SAPIEN XT or CoreValve prosthesis...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820159/surgical-treatment-of-superior-oblique-palsy-predictors-of-outcome
#9
Pilar Merino Sanz, José Escribano, Pilar Gómez de Liaño, Rubén Yela
PURPOSE: The purpose of this study was to evaluate the incidence and outcome of surgically treated superior oblique palsy (SOP) and the factors involved in its resolution. METHODS: We performed a retrospective study of 76 patients who underwent surgery for SOP. We recorded data from the physical examination and the number and type of procedures performed. Favorable outcome was defined as resolution of or improvement in torticollis (≤5°) and diplopia in primary position (PP) and downgaze or as vertical deviation (VD) <5 prism diopters (pd) in PP and 10 pd in the oblique diagnostic position...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28819597/case-report-oblique-fracture-of-the-ulnar-sesamoid-bone-of-the-metacarpophalangeal-joint-a-rare-pathology
#10
Dauwe Jan, Van der Cruyssen Fréderic, De Smet Luc
INTRODUCTION: Fractures of the sesamoid bones of the metacarpophalangeal joint (MCPJ) are a rare pathology in hand trauma. Only a few case reports and case series were found in literature. The diagnosis of an ulnar sesamoid bone fracture of the MCPJ is difficult and can pose a differential diagnostic problem with Stener lesions or ulnar collateral ligament (UCL) instability. This pathology is frequently missed with subsequent poor functional outcomes. Correct and early diagnosis is important as this will allow for correct treatment with full recovery of function without sequelae...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819250/oblique-scanning-laser-microscopy-for-simultaneously-volumetric-structural-and-molecular-imaging-using-only-one-raster-scan
#11
Lei Zhang, Amalia Capilla, Weiye Song, Gustavo Mostoslavsky, Ji Yi
Multi-modal three dimensional (3D) optical imaging combining both structural sensitivity and molecular specificity is highly desirable in biomedical research. In this paper, we present a method termed oblique scanning laser microscopy (OSLM) to combine optical coherence tomography (OCT), for simultaneously volumetric structural and molecular imaging with cellular resolution in all three dimensions. Conventional 3D laser scanning fluorescence microscopy requires repeated optical sectioning to create z-stacks in depth...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818221/venography-versus-intravascular-ultrasound-for-diagnosing-and-treating-iliofemoral-vein-obstruction
#12
Paul J Gagne, Robert W Tahara, Carl P Fastabend, Lukasz Dzieciuchowicz, William Marston, Suresh Vedantham, Windsor Ting, Mark D Iafrati
OBJECTIVE: The Venogram vs IVUS for Diagnosing Iliac vein Obstruction (VIDIO) trial was designed to compare the diagnostic efficacy of intravascular ultrasound (IVUS) with multiplanar venography for iliofemoral vein obstruction. METHODS: During a 14-month period beginning July 2014, 100 patients with chronic Clinical, Etiologic, Anatomic, and Pathophysiologic clinical class C4 to C6 venous disease and suspected iliofemoral vein obstruction were enrolled at 11 U...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28816148/prompt-gamma-imaging-for-in%C3%A2-vivo-range-verification-of-pencil-beam-scanning-proton-therapy
#13
Yunhe Xie, El Hassane Bentefour, Guillaume Janssens, Julien Smeets, François Vander Stappen, Lucian Hotoiu, Lingshu Yin, Derek Dolney, Stephen Avery, Fionnbarr O'Grady, Damien Prieels, James McDonough, Timothy D Solberg, Robert A Lustig, Alexander Lin, Boon-Keng K Teo
PURPOSE: To report the first clinical results and value assessment of prompt gamma imaging for in vivo proton range verification in pencil beam scanning mode. METHODS AND MATERIALS: A stand-alone, trolley-mounted, prototype prompt gamma camera utilizing a knife-edge slit collimator design was used to record the prompt gamma signal emitted along the proton tracks during delivery of proton therapy for a brain cancer patient. The recorded prompt gamma depth detection profiles of individual pencil beam spots were compared with the expected profiles simulated from the treatment plan...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28816032/high-order-in-a-self-assembled-iridium-iii-complex-gelator-towards-nanostructured-iro2-thin-films
#14
Francesca Scarpelli, Andreea Ionescu, Iolinda Aiello, Massimo La Deda, Alessandra Crispini, Mauro Ghedini, Elvira Brunelli, Settimio Sesti, Nicolas Godbert
The preparation and characterization of a new metallogelator based on the Ir(III) discrete cyclometallated complex [(ppy)2Ir(bpy)](CH3CH2OCH2CO2) are reported, where H(ppy) is 2-phenylpiridine and bpy is 2,2'-bipyridine, used as ancillary ligand. The compound is able to self-assemble in water in a range of concentrations between 3% and 6 % w/w, creating a luminescent ordered supramolecular gel. The gel and xerogel architectures were investigated through POM, SEM and TEM microscopies coupled with Powder X-Ray Diffraction...
August 16, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28814768/risk-factors-for-radiation-induced-skin-ulceration-in-percutaneous-coronary-interventions-of-chronic-total-occluded-lesions-a-2-year-observational-study
#15
Chi-Cheng Lai, Kai-Che Wei, Wen-Yee Chen, Guang-Yuan Mar, Wen-Hwa Wang, Chieh-Shan Wu, Ching-Jiunn Tseng, Kuo-Chung Yang, Lee-Wei Chen, Chun-Peng Liu
Relationship between radiation-induced skin ulceration (RSU) and variables in percutaneous coronary interventions (PCI) was rarely reported. RSU is a severe complication in PCIs, especially for chronic total occlusion (CTO) lesions. We investigated the RSUs and their risk factors in patients receiving CTO PCIs over a 2-year period. Data were analyzed using chi-square tests, t-tests and receiver operating characteristic (ROC) curve. Of 238 patients, 11 patients (4.6%) had RSUs all at right upper back. RSUs were significantly associated with use of left anterior oblique (LAO) views (100% vs...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814005/distance-based-kinematics-of-the-five-oblique-axis-thumb-model-with-intersecting-axes-at-the-metacarpophalangeal-joint
#16
Nicolas Rojas, Aaron M Dollar
This paper proposes a novel and simple method to compute all possible solutions of the inverse kinematics problem of the five-oblique-axis thumb model with intersecting axes at the metacarpophalangeal joint. This thumb model is one of the suggested results by a magnetic-resonance-imaging-based study that, in contrast to those based on cadaver fingers or on the tracking of the surface of the fingers, takes into account muscle and ligament behaviors and avoids inaccuracies resulting from the movement of the skin with respect to the bones...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812042/visual-outcomes-24%C3%A2-months-after-laserace
#17
AnnMarie Hipsley, David Hui-Kang Ma, Chi-Chin Sun, Mitchell A Jackson, Daniel Goldberg, Brad Hall
BACKGROUND: To evaluate the effects on near and intermediate visual performance after bilateral Laser Anterior Ciliary Excision (LaserACE) procedure. METHODS: LaserACE surgery was performed using the VisioLite 2.94 μm erbium: yttrium-aluminum-garnet (Er:YAG) ophthalmic laser system in 4 oblique quadrants on the sclera over the ciliary muscle in 3 critical zones of physiological importance (over the ciliary muscles and posterior zonules) with the aim to improve natural dynamic accommodative forces...
2017: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/28809895/1-5%C3%A2-%C3%A2-kw-efficient-cw-nd-yag-planar-waveguide-mopa-laser
#18
Juntao Wang, Zhenhai Wu, Hua Su, Tangjian Zhou, Jun Lei, Wenqiang Lv, Jing He, Liu Xu, Yuejian Chen, Dan Wang, Lixin Tong, Hao Hu, Qingsong Gao, Chun Tang
In this Letter, we report a 1064 nm continuous wave Nd:YAG planar waveguide laser with an output power of 1544 W based on the structure of the master oscillator power amplification. A fiber laser is used as the master oscillator, and diode laser arrays are used as the pump source of the waveguide laser amplifier. The dimension of the waveguide is 1  mm (T)×10  mm (W)×60  mm (L), and the dual end oblique pumping is adopted with different angles. After a single-pass amplification, the power is scaled from 323 to 1544 W with the pump power of 2480 W, leading to an optical-to-optical efficiency of 49%...
August 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28806250/recurrent-leiomyosarcoma-of-external-oblique-muscle-detected-on-99mtc-mdp-spect-ct
#19
Taisong Wang, Yan Xing, Wenli Qiao, Jinhua Zhao
A Tc-MDP bone scintigraphy was performed in an 88-year-old man with a history of right external oblique muscle leiomyosarcoma, which was resected 8 months ago. The static images showed abnormal tracer uptake in the region of resection bed. SPECT/CT images demonstrated that the increased activity was from a partially calcified soft tissue mass in external oblique muscle. Subsequent pathological examination confirmed recurrent tumor.
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28804741/a-case-of-dorsal-oblique-fingertip-amputation
#20
Shinsuke Takeda, Masahiro Tatebe, Akimasa Morita, Hidemasa Yoneda, Katsuyuki Iwatsuki, Hitoshi Hirata
This study reports successful finger replantation in a patient with a dorsal oblique fingertip amputation. When repairing this unique type of injury, an evaluation of the remaining vessels is more useful for successful replantation than the anatomical zone classification. We propose that Kasai's classification is appropriate for guiding treatment.
2017: Case Reports in Plastic Surgery & Hand Surgery
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