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https://www.readbyqxmd.com/read/28917519/endoscopic-or-arthroscopic-iliopsoas-tenotomy-for-iliopsoas-impingement-followingtotal-hip-replacement-a-prospective-multicenter-64-case-series
#1
W Guicherd, N Bonin, T Gicquel, J E Gedouin, X Flecher, M Wettstein, M Thaunat, N Prevost, E Ollier, O May
INTRODUCTION: Impingement between the acetabular component and the iliopsoas tendon is a cause of anterior pain after total hip replacement (THR). Treatment can be non-operative, endoscopic or arthroscopic, or by open revision of the acetabular component. Few studies have assessed these options. The present study hypothesis was that endo/arthroscopic treatment provides rapid pain relief with a low rate of complications. METHODS: A prospective multicenter study included 64 endoscopic or arthroscopic tenotomies for impingement between the acetabular component and the iliopsoas tendon, performed in 8 centers...
September 13, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28917405/comparison-of-refractive-and-keratometric-astigmatism-after-microincision-cataract%C3%A2-surgery
#2
Atsushi Kawahara, Yoshinori Takayanagi
PURPOSE: To measure the correlation between refractive and keratometric astigmatism after microincision cataract surgery (MICS). SETTING: Takayanagi Clinic, Kushiro, Hokkaido, Japan. DESIGN: Retrospective case series. METHODS: This study evaluated patients having phacoemulsification and intraocular lens implantation through a 2.0 mm temporal clear corneal incision. Refractive astigmatism and keratometric astigmatism were described by Jackson cross-cylinder with-the-rule (J0) and oblique (J45) components and compared using linear regression analysis...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28916350/quantification-of-marine-macro-debris-abundance-around-vancouver-island-canada-based-on-archived-aerial-photographs-processed-by-projective-transformation
#3
Tomoya Kataoka, Cathryn Clarke Murray, Atsuhiko Isobe
The abundance of marine macro-debris was quantified with high spatial resolution by applying an image processing technique to archived shoreline aerial photographs taken over Vancouver Island, Canada. The photographs taken from an airplane at oblique angles were processed by projective transformation for georeferencing, where five reference points were defined by comparing aerial photographs with satellite images of Google Earth. Thereafter, pixels of marine debris were extracted based on their color differences from the background beaches...
September 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28914614/structural-control-in-porous-compact-multilayer-systems-grown-by-magnetron-sputtering
#4
Aurelio Garcia-Valenzuela, Carmen Lopez-Santos, Rafael Alvarez, Victor J Rico, Jose Cotrino, Agustin Rodriguez Gonzalez-Elipe, Alberto Palmero
In this work we analyze a phenomenon that takes place when growing magnetron sputtered porous/compact multilayer systems by alternating the oblique angle and the classical configuration geometries. We show that the compact layers develop numerous fissures rooted in the porous structures of the film below, in a phenomenon that amplifies when increasing the number of stacked layers. We demonstrate that these fissures emerge during growth due to the high roughness of the porous layers and the coarsening of a discontinuous interfacial region...
September 15, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28913706/novel-pericatheter-retrograde-urethrogram-technique-is-a-viable-method-for-postoperative-urethroplasty-imaging
#5
Rachael D Sussman, F Cameron Hill, George E Koch, Versha Patel, Krishnan Venkatesan
PURPOSE: The purpose of this study is to describe our technique for pericatheter retrograde urethrogram (pcRUG) and to evaluate the utility of a pcRUG to detect a clinically significant leak after urethral reconstruction. METHODS: We retrospectively reviewed our prospective IRB-approved database of patients undergoing urethral reconstruction. pcRUG was performed at 3-4 weeks after surgery, in standardized fashion. Patients were placed in oblique position, and with the penis stretched, diluted contrast was instilled via an angiocatheter alongside the indwelling urethral catheter under dynamic fluoroscopy...
September 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28913554/reliability-of-size-and-echo-intensity-of-abdominal-skeletal-muscles-using-extended-field-of-view-ultrasound-imaging
#6
Noriko I Tanaka, Madoka Ogawa, Akito Yoshiko, Ryosuke Ando, Hiroshi Akima
PURPOSE: This study aimed to examine the reliability of extended field-of-view (EFOV) ultrasound imaging to evaluate the cross-sectional area (CSA) and echo intensity of abdominal skeletal muscles. METHODS: Twenty-seven healthy young males (age 18.6 ± 1.0 years, body mass index 20.9 ± 2.8 kg/m(2), waist circumference 75.0 ± 7.9 cm, body fat 16.6 ± 5.9%) visited the laboratory on 2 days. EFOV ultrasound images of the rectus abdominis, abdominal oblique, and erector spinae muscles were acquired at the height of the third lumbar vertebra with the subject lying on a bed...
September 14, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28913515/paradoxical-head-tilt-in-unilateral-traumatic-superior-oblique-palsy
#7
Mohammad Reza Akbari, Reza Bayat, Arash Mirmohammadsadeghi, Reza Mirshahi
PURPOSE: We report a patient with abnormal head posture following ocular blunt trauma. METHODS: This is report of a case that despite findings compatible with diagnosis of left superior oblique (SO) palsy, the patient acquired an ipsilateral (left) head tilt. The interesting observation in our patient was reduction of left hypertropia and consequent less diplopia with ipsilateral head tilt. RESULTS: After blunt trauma, our patient adopted paradoxical left head tilt and consequently less diplopia despite acquired left SO palsy...
September 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28913399/reactive-scoliosis-a-challenging-phenomenon-in-adolescent-patients-with-hip-arthritis
#8
Madhav Chowdhry, Laura Matsen Ko, Corinna Franklin, Javad Parvizi
Functional limb length discrepancy (LLD) in adolescents can result from soft tissue contracture following long-standing hip disease. We present a case of a 13-year-old girl with difficulty in ambulation due to right hip pain and LLD. Radiographs revealed severe arthritis of right hip with signs of avascular necrosis of the femoral head. The patient had developed reactive scoliosis of lumbar spine along with pelvic obliquity. After failing conservative management, total hip arthroplasty (THA) without attempting to equalize LLD was performed...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28912520/intraoperative-intorsional-traction-test-of-the-inferior-oblique
#9
A J Connor, S P Kraft
PurposeWe present a novel variation of the traction test of the inferior oblique (IO) muscle. We demonstrate the correlation between the traction test and clinically graded IO overaction and describe the utility of this test to confirm IO weakening.MethodsWe performed a retrospective chart review on all patients who underwent IO surgery and intraoperative intorsion traction tests by a single surgeon over a 10-year period. We compared the traction test results, in 'clock hours' of freedom, before and after IO surgery...
September 15, 2017: Eye
https://www.readbyqxmd.com/read/28912278/pituitary-macroadenoma-and-visual-impairment-postoperative-outcome-prediction-with-contrast-enhanced-fiesta
#10
S Hisanaga, S Kakeda, J Yamamoto, K Watanabe, J Moriya, T Nagata, Y Fujino, H Kondo, S Nishizawa, Y Korogi
BACKGROUND AND PURPOSE: Contrast-enhanced FIESTA can depict anterior optic pathways in patients with large suprasellar tumors. We assessed whether the degree of kink in the optic nerve at the optic canal orifice on contrast-enhanced FIESTA correlates with the postoperative improvement of visual impairment in patients with pituitary macroadenoma. MATERIALS AND METHODS: Thirty-one patients with pituitary macroadenoma who underwent preoperative MR imaging and an operation were evaluated...
September 14, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28911888/postoperative-imaging-of-orthopaedic-hardware-in-the-hand-and-wrist-is-there-an-added-value-for-tomosynthesis
#11
A De Silvestro, K Martini, A S Becker, T D L Kim-Nguyen, R Guggenberger, M Calcagni, T Frauenfelder
AIM: To prospectively investigate digital tomosynthesis (DTS) as an alternative to digital radiography (DR) for postoperative imaging of orthopaedic hardware after trauma or arthrodesis in the hand and wrist. MATERIALS AND METHODS: Thirty-six consecutive patients (12 female, median age 36 years, range 19-86 years) were included in this institutional review board approved clinical trial. Imaging was performed with DTS in dorso-palmar projection and DR was performed in dorso-palmar, lateral, and oblique views...
September 11, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28910537/analysis-of-mechanics-of-side-impact-test-defined-in-un-ece-regulation-129
#12
Pawel Baranowski, Krzysztof Damaziak, Lukasz Mazurkiewicz, Jerzy Malachowski, Artur Muszynski, Dario Vangi
OBJECTIVE: This article discusses differences between a side impact procedure described in UN/ECE Regulation 129 and scenarios observed in real world cases. METHODS: Numerical simulations of side impact tests utilizing different boundary conditions are used to compare the severity of the Regulation 129 test and the other tests with different kinematics of child resistant systems (CRS). In the simulations, the authors use a validated finite element (FE) model of real world CRS together with a fully deformable numerical model of the Q3 anthropomorphic test device (ATD) by Humanetics Innovative Solution, Inc...
September 14, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28906565/correction-of-antebrachial-angulation-rotation-deformities-in-dogs-with-oblique-plane-inclined-osteotomies
#13
Samuel P Franklin, Ryan K Dover, Natalia Andrade, Desiree Rosselli, Kevin M Clarke
OBJECTIVE: To describe oblique plane inclined osteotomies and report preliminary data on outcomes in dogs treated for antebrachial angulation-rotation deformities. STUDY DESIGN: Retrospective clinical study. ANIMALS: Six antebrachii from 5 dogs. METHODS: Records of dogs with antebrachial angulation-rotation deformities treated with oblique plane inclined osteotomies were reviewed. Postoperative frontal, sagittal, and transverse plane alignments were assessed subjectively, and alignment in the frontal and sagittal planes was quantified on radiographs...
September 14, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28905720/evaluation-of-infrared-thermometry-in-cynomolgus-macaques-macaca-fascicularis
#14
Michael M Laffins, Nacera Mellal, Cynthia L Almlie, Douglas E Regalia
Recording an accurate body temperature is important to assess an animal's health status. We compared temperature data from sedated cynomolgus macaques (Macaca fascicularis) to evaluate differences between rectal, infrared (inguinal and chest), and implanted telemetry techniques with the objective of demonstrating the diagnostic equivalence of the infrared device with other approaches. Infrared thermometer readings are instantaneous and require no contact with the animal. Body temperature data were obtained from 205 (137 male, 68 female) cynomolgus macaques under ketamine (10 mg/kg IM) sedation over a 3-mo period during scheduled physical examinations...
January 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28904633/an-improved-method-for-measuring-hip-abduction-in-spica-after-surgical-reduction-for-developmental-dysplasia-of-the-hip
#15
C J DeFrancesco, T J Blumberg, N A Chauvin, W N Sankar
PURPOSE: Excessive in-spica abduction is a risk factor for oste-onecrosis after surgical reduction for developmental dysplasia of the hip (DDH). The traditional method for radiographically measuring hip abduction using axial imaging does not reflect the true angle, which usually lies in an oblique plane. The purpose of this study was to describe a novel method for measuring true hip position using advanced imaging. METHODS: A trigonometric model was derived to define hip position based upon the femoral axis angular deviation from midline as measured on axial and coronal sequences of MRI studies...
August 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28904108/comparison-of-three-models-of-saccade-disconjugacy-in-strabismus
#16
Mark M G Walton, Michael J Mustari
In pattern strabismus the horizontal and vertical misalignments vary with eye position along the orthogonal axis. The disorder is typically described in terms of overaction or underaction of oblique muscles. Recent behavioral studies in humans and monkeys, however, have reported that such actions are insufficient to fully explain the patterns of directional and amplitude disconjugacy of saccades. There is mounting evidence that the oculomotor abnormalities associated with strabismus are at least partially attributable to neurophysiological abnormalities...
September 13, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28902743/use-of-an-alternative-surgical-corridor-in-oblique-lateral-interbody-fusion-at-the-l5-s1-segment-a-technical-report
#17
Nam-Su Chung, Chang-Hoon Jeon, Han-Dong Lee
STUDY DESIGN: Technical report. OBJECTIVE: To demonstrate the use of an alternative surgical corridor in oblique lateral interbody fusion (OLIF) at the L5-S1 segment. SUMMARY OF BACKGROUND DATA: OLIF L5-S1 is essentially performed through the central disk space between the bifurcations of the iliac vessels, which is sometimes difficult due to the vascular structures that obstruct the surgical field. Another concern is retrograde ejaculation following superior hypogastric plexus injury in male patients...
September 11, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28900565/comparison-of-a-head-mounted-impact-measurement-device-to-the-hybrid-iii-anthropomorphic-testing-device-in-a-controlled-laboratory-setting
#18
Eric Schussler, David Stark, John H Bolte, Yun Seok Kang, James A Onate
BACKGROUND: Reports estimate that 1.6 to 3.8 million cases of concussion occur in sports and recreation each year in the United States. Despite continued efforts to reduce the occurrence of concussion, the rate of diagnosis continues to increase. The mechanisms of concussion are thought to involve linear and rotational head accelerations and velocities. One method of quantifying the kinematics experienced during sport participation is to place measurement devices into the athlete's helmet or directly on the athlete's head...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28899547/linear-dimensions-of-normal-upper-airway-structure-by-magnetic-resonance-imaging-in-chinese-han-infants-and-preschool-children
#19
Xiaoli Yi, Linyin Yao, Xinyu Yuan, Yongxiang Wei, Zhenchang Wang
OBJECTIVES: To establish normative data of upper airway structure in Chinese Han infants and preschool children. METHODS: Magnetic resonance imaging (MRI) scans of 521 Chinese Han infants and preschool children (225 girls, 296 boys) aged from 1 day to 72 months were selected from the children who underwent head MRI at the Capital Institute of Pediatrics Affiliated Children Hospital, Beijing, China. No subjects had sleep-disordered breathing or associated conditions that may have affected the upper airway anatomy...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28898669/molecular-mechanisms-of-root-gravitropism
#20
REVIEW
Shih-Heng Su, Nicole M Gibbs, Amy L Jancewicz, Patrick H Masson
Plant shoots typically grow against the gravity vector to access light, whereas roots grow downward into the soil to take up water and nutrients. These gravitropic responses can be altered by developmental and environmental cues. In this review, we discuss the molecular mechanisms that govern the gravitropism of angiosperm roots, where a physical separation between sites for gravity sensing and curvature response has facilitated discovery. Gravity sensing takes place in the columella cells of the root cap, where sedimentation of starch-filled plastids (amyloplasts) triggers a pathway that results in a relocalization to the lower side of the cell of PIN proteins, which facilitate efflux of the plant hormone auxin efflux...
September 11, 2017: Current Biology: CB
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