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https://www.readbyqxmd.com/read/28928264/role-of-ultrasound-biomicroscopy-in-diagnosis-of-ocular-toxocariasis
#1
Qian Chen, Junxiang Gu, Rui Jiang, Min Zhou, Qing Chang
PURPOSE: To investigate ultrasound biomicroscopy (UBM) characteristics of patients with ocular toxocariasis (OT) and to explore the role of UBM in the diagnosis and differential diagnosis of OT. DESIGN: Cross-sectional study. METHODS: 78 eyes of 77 patients clinically consistent with OT and confirmed by serum and/or intraocular antibodies in a single tertiary centre (Fudan University Eye and ENT Hospital, Shanghai) between July 2009 and July 2016 were included in the study...
September 19, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28913383/the-effect-of-sagittal-femoral-bowing-on-the-femoral-component-position-in-total-knee-arthroplasty
#2
Seyyed Morteza Kazemi, Tooraj Shafaghi, Reza Minaei, Reza Osanloo, Hashem Abrishamkarzadeh, Farshad Safdari
In the current study, we investigated that how sagittal femoral bowing can affect the sagittal alignment of the femoral component in total knee arthroplasty (TKA). There were 25 patients underwent TKA. Long leg radiography in lateral view was performed. The sagittal femoral bowing (SFB) and component alignment in relation to the sagittal mechanical axis and distal anterior cortical line (DACL) were measured. Finally, the correlation of component alignment and SFB was examined. Mean SFB was 7±2.7 degrees. The component was in flexion position in relation to mechanical axis and DACL as 8...
July 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28912942/efficacy-of-sodium-hypochlorite-activated-with-laser-in-intracanal-smear-layer-removal-an-sem-study
#3
Shahriar Shahriari, Shahin Kasraei, Ghodratollah Roshanaei, Hamed Karkeabadi, Hossein Davanloo
Introduction: The purpose of the present study was to evaluate the different concentrations of sodium hypochlorite activated with laser in removing of the smear layer in the apical, middle, and coronal segments of root canal walls by scanning electron microscopy analysis. Methods: Sixty single-rooted human mandibular teeth were decoronated to a standardized length. The samples were prepared by using Race rotary system to size 40, 0.04 taper and divided into 4 equal groups (n = 15). Group 1, irrigated with EDTA 17% and 5...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28906006/prevalence-of-anal-oral-penile-and-urethral-human-papillomavirus-in-hiv-infected-and-hiv-uninfected-men-who-have-sex-with-men
#4
Claudio Ucciferri, Manuela Tamburro, Katia Falasca, Michela Lucia Sammarco, Giancarlo Ripabelli, Jacopo Vecchiet
Aims of the study were to evaluate Human Papillomavirus (HPV) and type-specific prevalence in four anatomical sites in HIV infected men who have sex with men (MSM) compared with HIV uninfected MSM. Participants were recruited among the attendees of Infectious Diseases Clinics in Central Italy. A trained medical practitioner collected by interview sociodemographic data and information on medical history, sexual behavior and drug use. Swabs from anal canal, oral cavity, urethral mucosa and coronal sulcus were tested for HPV DNA and genotyping...
September 14, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28904633/an-improved-method-for-measuring-hip-abduction-in-spica-after-surgical-reduction-for-developmental-dysplasia-of-the-hip
#5
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/28894912/optimisation-of-the-mr-protocol-in-pregnant-women-with-suspected-acute-appendicitis
#6
Ilah Shin, Yong Eun Chung, Chansik An, Hye Sun Lee, Honsoul Kim, Joon Seok Lim, Myeong-Jin Kim
PURPOSE: To investigate the optimal magnetic resonance (MR) imaging protocol in pregnant women suspected of having acute appendicitis. MATERIALS AND METHODS: One hundred and forty-six pregnant women with suspected appendicitis were included. MR images were reviewed by two radiologists in three separate sessions. In session 1, only axial single-shot turbo spin echo (SSH-TSE) T2-weighted images (WI) were included with other routine sequences. In sessions 2 and 3, coronal and sagittal T2WI were sequentially added...
September 11, 2017: European Radiology
https://www.readbyqxmd.com/read/28888740/can-the-hip-joint-center-be-estimated-from-pelvic-dimensions-in-dysplastic-hips
#7
Masanori Fujii, Tetsuro Nakamura, Toshihiko Hara, Yasuharu Nakashima
BACKGROUND: We aimed to determine correlations between the hip joint center position and pelvic dimensions and whether the three-dimensional position of the original hip joint center could be estimated from pelvic landmarks in dysplastic and normal hips. METHODS: We reviewed the pelvic CT scans of 70 patients (70 hips) with hip dysplasia. Seventy-seven normal hips were used as controls. The hip joint center coordinates (Cx, Cy, and Cz) and pelvic dimensions were measured with reference to the anterior pelvic plane coordinate system...
September 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28888738/three-dimensional-analysis-of-accuracy-of-patient-matched-instrumentation-in-total-knee-arthroplasty-evaluation-of-intraoperative-techniques-and-postoperative-alignment
#8
Umito Kuwashima, Hideki Mizu-Uchi, Ken Okazaki, Satoshi Hamai, Yukio Akasaki, Koji Murakami, Yasuharu Nakashima
BACKGROUND: It is questionable that the accuracies of patient-matched instrumentation (PMI) have been controversial, even though many surgeons follow manufacturers' recommendations. The purpose of this study was to evaluate the accuracy of intraoperative procedures and the postoperative alignment of the femoral side using PMI with 3-dimensional (3D) analysis. METHODS: Eighteen knees that underwent total knee arthroplasty using MRI-based PMI were assessed. Intraoperative alignment and bone resection errors of the femoral side were evaluated with a CT-based navigation system...
September 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28888031/disconnection-of-hippocampal-networks-contributes-to-memory-dysfunction-in-individuals-with-temporal-lobe-epilepsy
#9
Travis R Stoub, Ada V Chicharro, Christopher L Grote, Andres M Kanner
A deficit in declarative memory function is common among individuals with temporal lobe epilepsy. The purpose of this study is to evaluate the relationship between the volume of the hippocampus, entorhinal cortex along with the surrounding parahippocampal white matter and memory performance in those with temporal lobe epilepsy. T1 weighted MRI scans were acquired using a 3-D pulse sequence in 50 individuals with temporal lobe epilepsy. Hippocampal and entorhinal cortex volumes were derived by manually tracing consecutive coronal slices aligned perpendicular to the long axis of the hippocampus...
September 9, 2017: Hippocampus
https://www.readbyqxmd.com/read/28881904/human-papillomavirus-does-not-play-a-role-in-the-barrett-esophagus-a-french-cohort
#10
C Brochard, A Ducancelle, A Pivert, M Bodin, A Ricard, E Coron, C Couffon, N Dib, D Luet, N Musquer, M Le Rhun, S Bertrais, S Michalak, F Lunel-Fabiani, E Cesbron-Metivier, F-X Caroli Bosc
The role of human papillomavirus (HPV) in Barrett's esophagus (BE) has been examined but remains unclear. The purpose of the study is to dispute the connection between HPV and BE in a prospective case-control study. Biopsies were performed above and inside the Barrett's segment for BE patients and in the distal third of the esophagus for control patients for histological interpretation and for virological analysis. Biopsies for virological analysis were placed in a virus transport medium and immediately frozen in liquid nitrogen...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28881118/the-effect-of-uncinate-process-resection-on-subsidence-following-anterior-cervical-discectomy-and-fusion
#11
Su Hun Lee, Jun Seok Lee, Soon Ki Sung, Dong Wuk Son, Sang Weon Lee, Geun Sung Song
OBJECTIVE: Subsidence is a frequent complication of anterior cervical discectomy and fusion. Postoperative segmental micro-motion, thought to be a causative factor of subsidence, has been speculated to increase with uncinate process resection area (UPR). To evaluate the effect of UPR on micro-motion, we designed a method to measure UPR area based on pre- and postoperative computed tomography images and analyzed the relationship between UPR and subsidence as a proxy of micro-motion. METHODS: We retrospectively collected clinical and radiological data from January 2011 to June 2016...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28875527/management-of-an-uncomplicated-crown-fracture-by-re-attaching-the-fractured-fragment-case-report
#12
Josué Martos, Karoline Von Ahn Pinto, Tiago Martins Feijó Miguelis, Cristina Braga Xavier
Coronal fractures of the anterior teeth are common sequelae of traumatic dental injuries. Reattachment of fractured tooth fragments using dental adhesive techniques offers some advantages, including restoration of the function, aesthetics, shape, texture and brightness of the surface. The present report describes a clinical case of reattachment with a 4-year clinical and radiographic follow-up in a permanent maxillary central incisor with an uncomplicated crown fracture. Fragment reattachment is a conservative procedure, preserving aesthetics and functionality, and it can provide an immediate positive emotional response from the patient...
September 6, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28874649/quantitative-assessment-of-apically-extruded-bacteria-using-different-instrumentation-techniques-and-preparation-taper
#13
Harsh Priyank, Vinisha Pandey, Achla Sethi, Vinay J Sharma, Harleen Bali, Ramandeep S Punia
BACKGROUND: Cleaning and shaping of the pulp canal is one of the most important steps of endodontic therapy. Serious complications occur by the apical extrusion of bacteria during the instrumentation procedures. Both crown-down (CD) and full-length linear motion (FM) techniques are routinely used as a component of taper rotary instrument procedures for achievement of thorough cleaning and shaping of the pulp canal space. Hence, we aimed for this study to assess the change in the amount of apically extruded bacteria using CD and FM instrumentation techniques produced by differences in taper between the instruments used during biomechanical preparation of root canals...
September 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28870839/long-term-clinical-results-following-charite-iii-lumbar-total-disc-replacement
#14
Shibao Lu, Siyuan Sun, Chao Kong, Wenzhi Sun, Hailiang Hu, Qingyi Wang, Yong Hai
BACKGROUND CONTEXT: The lumbar total disc replacement (TDR) operation represents an alternative to lumbar fusion for the treatment of symptomatic lumbar intervertebral disc degeneration, and has gained increasing attention in recent years. PURPOSE: To assess clinical outcomes in a cohort of patients with TDR and the long-term survival rate of the prostheses. STUDY DESIGN: A retrospective, single-center clinical study. PATIENT SAMPLE: Thirty patients with a total of 35 prostheses after an average follow-up (FU) of 15...
September 1, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28865572/torsional-appearance-of-the-anterior-cruciate-ligament-explaining-ribbon-and-double-bundle-concepts-a-cadaver-based-study
#15
Thibaut Noailles, Philippe Boisrenoult, Matthieu Sanchez, Philippe Beaufils, Nicolas Pujol
PURPOSE: To investigate the effect of the anterior cruciate ligament (ACL) torsion in 90° knee flexion on the morphological appearance of the ACL. METHODS: Sixty knees from fresh frozen anatomical specimens were dissected. Eighteen knees were excluded according to selection criteria (torn ACL, mucoid degeneration of the ACL, arthritic lesions of the notch, or knees harboring synovial inflammatory pathologies). After the removal of the synovial membrane, the morphology of the ligamentous fibers of the ACL and the twist were analyzed...
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28861389/cone-beam-computed-tomographic-evaluation-of-the-temporomandibular-joint-and-dental-characteristics-of-patients-with-class-ii-subdivision-malocclusion-and-asymmetry
#16
Mingna Huang, Yun Hu, Jinfeng Yu, Jicheng Sun, Ye Ming, Leilei Zheng
OBJECTIVE: Treating Class II subdivision malocclusion with asymmetry has been a challenge for orthodontists because of the complicated characteristics of asymmetry. This study aimed to explore the characteristics of dental and skeletal asymmetry in Class II subdivision malocclusion, and to assess the relationship between the condyle-glenoid fossa and first molar. METHODS: Cone-beam computed tomographic images of 32 patients with Class II subdivision malocclusion were three-dimensionally reconstructed using the Mimics software...
September 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28861191/porous-femoral-fixation-in-total-hip-arthroplasty-with-short-anatomical-stem-radiographic-evaluation
#17
Suresh Patil, Carrilero Luis, Henry Finn
BACKGROUND: Hip prostheses with short anatomical stems were designed for metaphyseal fixation and to spare bone stock. We present a study of a short anatomical femoral stem used in all age groups of patients with Dorr A and B type of femora. METHODS: We reviewed radiographs of 85 hips in 74 patients who had a cementless total hip arthroplasty with a short anatomical 80 mm femoral stem designed to achieve pure metaphyseal fixation. A ream-only technique was used for femoral canal preparation in all patients...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28859050/overdose-deaths-related-to-fentanyl-and-its-analogs-ohio-january-february-2017
#18
Raminta Daniulaityte, Matthew P Juhascik, Kraig E Strayer, Ioana E Sizemore, Kent E Harshbarger, Heather M Antonides, Robert R Carlson
Ohio is experiencing unprecedented loss of life caused by unintentional drug overdoses (1), with illicitly manufactured fentanyl (IMF) emerging as a significant threat to public health (2,3). IMF is structurally similar to pharmaceutical fentanyl, but is produced in clandestine laboratories and includes fentanyl analogs that display wide variability in potency (2); variations in chemical composition of these drugs make detection more difficult. During 2010-2015, unintentional drug overdose deaths in Ohio increased 98%, from 1,544 to 3,050...
September 1, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28854938/the-assessment-of-femoral-shaft-morphology-in-the-sagittal-plane-in-chinese-patients-with-osteoarthritis-a-radiographic-analysis
#19
Zhengyuan Bao, Liang Qiao, Jianghui Qin, Jiacheng Xu, Sheng Zhou, Dongyang Chen, Dongquan Shi, Jin Dai, Yao Yao, Qing Jiang, Zhihong Xu
BACKGROUND: The purpose of this study was to analyze femoral shaft sagittal parameters in Chinese osteoarthritis (OA) patients undergoing total knee arthroplasty (TKA) and identify whether the parameters in the coronal plane could be predictors of those in the sagittal plane. METHODS: Standard long-standing anteroposterior and femoral lateral radiographs of 50 lower limbs in 50 Chinese OA patients were included. Sagittal femoral bowing angle (sFBA), angle between femoral distal anterior cortex axis and sagittal mechanical axis (DACSMA), angle between femoral distal anterior cortex axis and sagittal distal anatomic axis (DACSDAA), and angle between femoral sagittal mechanical axis and sagittal distal anatomic axis (SMADAA) were measured...
August 30, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28854769/comparison-of-mechanical-axis-and-dynamic-range-assessed-with-weight-bearing-radiographs-and-navigation-system-in-closed-wedge-high-tibial-osteotomy
#20
Dae Kyung Bae, Jong Whan Lee, Seong Jin Cho, Sang Jun Song
Purpose: To compare navigation and weight bearing radiographic measurements of mechanical axis (MA) before and after closed wedge high tibial osteotomy (HTO) and to evaluate post-osteotomy changes in MA assessed during application of external varus or valgus force. Materials and Methods: Data from 30 consecutive patients (30 knees) who underwent computer-assisted closed-wedge HTO were prospectively analyzed. Pre- and postoperative weight bearing radiographic evaluation of MA was performed...
September 1, 2017: Knee Surgery & related Research
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