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https://www.readbyqxmd.com/read/29143397/marginal-fit-comparison-of-cad-cam-crowns-milled-from-two-different-materials
#1
Atousa Azarbal, Mohsen Azarbal, Robert L Engelmeier, Thomas C Kunkel
PURPOSE: To evaluate the marginal fit of CAD/CAM copings milled from hybrid ceramic (Vita Enamic) blocks and lithium disilicate (IPS e.max CAD) blocks, and to evaluate the effect of crystallization firing on the marginal fit of lithium disilicate copings. MATERIALS AND METHODS: A standardized metal die with a 1-mm-wide shoulder finish line was imaged using the CEREC AC Bluecam. The coping was designed using CEREC 3 software. The design was used to fabricate 15 lithium disilicate and 15 hybrid ceramic copings...
November 16, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29141613/determinants-of-patient-satisfaction-following-reconstructive-shoulder-surgery
#2
Sascha J Baettig, Karl Wieser, Christian Gerber
BACKGROUND: Obtaining patient satisfaction is a key goal of surgical treatment. It was the purpose of this study to identify pre-, peri- and postoperative factors determining patient satisfaction after shoulder surgery, quantify their relative importance and thereby allow the surgeon to focus on parameters, which will influence patient satisfaction. METHODS: We retrospectively reviewed 505 patients, who underwent either rotator cuff repair (n = 216) or total shoulder arthroplasty (n = 289)...
November 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29140178/infraspinatus-cross-sectional-area-and-shoulder-range-of-motion-change-following-live-game-baseball-pitching
#3
Brett S Pexa, Eric D Ryan, Elizabeth E Hibberd, Elizabeth Teel, Terri Jo Rucinski, Joseph B Myers
CONTEXT: Following a baseball pitching bout, changes can occur to glenohumeral range of motion that could be linked to injury. These effects are in part due to the posterior shoulder's eccentric muscle activity, which can disrupt muscle contractile elements and lead to changes in muscle cross sectional area (CSA), as measured by ultrasound. OBJECTIVE: To assess changes in muscle CSA, and range of motion immediately before and after pitching, and days 1-5 following pitching...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29138871/revision-shoulder-arthroplasty-with-a%C3%A2-reverse-shoulder-prosthesis-use-of-structural-allograft-for-glenoid-bone-loss
#4
S E Ozgur, R Sadeghpour, T R Norris
INTRODUCTION: Revision shoulder arthroplasty presents many unique and complex challenges when glenoid bone loss is involved. A distorted and medialized anatomy prevents the proper mechanics of the reverse prosthesis with regard to deltoid tension and ultimate function. This paper highlights one surgeon's experience using structural allograft for glenoid bone loss. PATIENTS AND METHODS: In all, 20 patients for a total of 24 surgeries with a medialized glenoid and/or substantial glenoid bone loss of grade IIB or higher were evaluated in this retrospective study...
November 14, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29136416/daily-shoulder-pain-among-flight-baggage-handlers-and-its-association-with-work-tasks-and-upper-arm-postures-on-the-same-day
#5
Eva L Bergsten, Svend Erik Mathiassen, Lydia Kwak, Eva Vingård
Objectives: This study of flight baggage handlers aimed at examining the extent to which shoulder pain developed during single work shifts, and whether a possible development was associated with biomechanical exposures and psychosocial factors during the same shift. Methods: Data were collected during, in total, 82 work shifts in 44 workers. Right and left shoulder pain intensity was rated just before and just after the shift (VAS scale 0-100 mm). Objective data on 'time in extreme' and 'time in neutral' upper arm postures were obtained for the full shift using accelerometers, and the baggage handlers registered the number of 'aircrafts handled' in a diary...
November 10, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29136209/use-of-18f-fluorodeoxyglucose-positron-emission-tomography-in-the-diagnosis-of-polymyalgia-rheumatica-a-prospective-study-of-99-patients
#6
Liesbet Henckaerts, Olivier Gheysens, Steven Vanderschueren, Karolien Goffin, Daniel Blockmans
Objective: Previous studies have shown that the majority of patients with PMR have increased 18F-fluorodeoxyglucose (FDG) uptake around the shoulders, hips and processes of the cervical and lumbar spine on PET. The specificity of these findings for PMR is, however, not known. Methods: We prospectively included 99 consecutive patients with a possible clinical diagnosis of PMR. All patients underwent 18F-FDG-PET scanning before treatment with glucocorticoids was started...
October 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/29135529/acute-coronary-artery-thrombus-after-tranexamic-acid-during-total-shoulder-arthroplasty-in-a-patient-with-coronary-stents-a-case-report
#7
Kathryn H Bridges, Sylvia H Wilson
Tranexamic Acid (TXA), an antifibrinolytic, is routinely used to decrease transfusion rates in total joint replacement surgery. While recent publications have indicated a low risk of TXA-associated thromboembolic events in this orthopedic population, few studies specifically address the safety of TXA administration in high-risk patients. We present a case of acute coronary thrombus requiring emergent intervention in a patient with indwelling coronary stents who underwent shoulder arthroplasty with TXA administration...
November 9, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29134252/return-to-sports-after-the-latarjet-procedure-high-return-level-of-non-collision-athletes
#8
Young Moon Kee, Jung Youn Kim, Hwan Jin Kim, Chan Teak Lim, Yong Girl Rhee
PURPOSE: The purpose of this study was to compare the clinical outcomes, including the level of return to sport, of collision and non-collision athletes who had the Latarjet procedure. METHODS: A total of 56 shoulders of 29 collision and 27 non-collision athletes were retrospectively analyzed. All study participants underwent the Latarjet procedure between 2007 and 2014. Median age at the time of surgery was 26.5 years(18-43) and follow-up duration was 67.0 months(24-113)...
November 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29133073/comparing-daily-shoulder-motion-and-frequency-after-anatomic-and-reverse-shoulder-arthroplasty
#9
G Daniel G Langohr, John P Haverstock, James A Johnson, George S Athwal
BACKGROUND: Both anatomic (TSA) and reverse total shoulder arthroplasty (RTSA) are common interventions for glenohumeral arthrosis, with the goal of relieving pain and restoring mobility. Understanding shoulder arthroplasty motion and frequency is of interest in evaluating effectiveness and in predicting bearing wear for implant development and optimization. The purpose of this study was to measure and compare the total daily shoulder motion of patients after TSA and RTSA. METHODS: Thirty-six human subjects who had undergone shoulder arthroplasty wore a custom instrumented garment that tracked upper extremity motion for the waking hours of 1 day...
November 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29131843/vertigo-and-dizziness-in-adolescents-risk-factors-and-their-population-attributable-risk
#10
Filipp M Filippopulos, Lucia Albers, Andreas Straube, Lucia Gerstl, Bernhard Blum, Thyra Langhagen, Klaus Jahn, Florian Heinen, Rüdiger von Kries, Mirjam N Landgraf
OBJECTIVES: To assess potential risk factors for vertigo and dizziness in adolescents and to evaluate their variability by different vertigo types. The role of possible risk factors for vertigo and dizziness in adolescents and their population relevance needs to be addressed in order to design preventive strategies. STUDY DESIGN: The study population consisted of 1482 school-children between the age of 12 and 19 years, who were instructed to fill out a questionnaire on different vertigo types and related potential risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/29131235/anatomical-variations-of-brachial-plexus-in-fetal-cadavers
#11
Alparslan Kirik, Senem Ertuğrul Mut, Mehmet Kadri Daneyemez, Halil İbrahim Seçer
AIM: The plexus brachialis is a complex structure with anatomical variations and connections with neighboring tissues. These variations may cause disparity in the motor and sensorial innervations of the upper extremity. The knowledge of anatomy and probable variations are important for performing surgical procedures in the neck, shoulder and axilla. This study was planned to demonstrate the anatomical variations of infantile brachial plexus. MATERIAL AND METHODS: A total of 20 plexus brachialis from 11 fetal cadavers were dissected and examined microscopically...
October 18, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29130873/influence-of-body-mass-index-on-clinical-outcomes-in-reverse-total-shoulder-arthroplasty
#12
J Michael Wiater, Shannon Carpenter, Denise M Koueiter, David Marcantonio, Brett P Wiater
The purpose of this study was to compare reverse total shoulder arthroplasty (RTSA) outcomes in normal weight, overweight, and obese patients. A RTSA outcomes registry was reviewed for rotator cuff-deficient patients with a minimum 2-year follow-up. Fractures, rheumatoid arthritis, and revisions were excluded. Based on World Health Organization body mass index (BMI) classification, there were 29 normal weight, 50 overweight, and 51 obese patients. All groups demonstrated significant improvements from preoperative to most recent follow-up in function scores, pain, and forward elevation...
October 2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29127878/absence-of-the-subclavius-muscle-with-contralateral-subclavius-posticus-muscle-first-imaging-report
#13
Yun Sam, Sekyoung Park, Chang Su Kim
We present a case of a 56-year-old man with pain in in his right anterior shoulder, arm, and hand. MRI studies demonstrated absence of the subclavius muscle with contralateral subclavius posticus muscle. To our knowledge, imaging of the total absence of subclavius muscle has not been previously described. Understanding and recognition of subclavius posticus muscle are important for its potential role in thoracic outlet syndrome.
October 16, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29123932/hyperphosphatemic-tumoral-calcinosis-after-total-knee-arthroplasty
#14
Takeshi Mochizuki, Katsunori Ikari
We report a case of hyperphosphatemic tumoral calcinosis (TC) that occurred after total knee arthroplasty. A 64-year-old Japanese man presented with painful swellings in both shoulders, the left elbow, and the right hip that developed after he underwent total knee arthroplasty (TKA). The pathology of the patient's bone at the time of TKA included a thick osteoid seam with calcareous deposition at the margin of the trabecular bone, which is not generally seen in osteoarthritis. Computed tomography scans of the swollen joints demonstrated leaflet and amorphous calcification masses around the joints...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29123372/the-effect-of-musculoskeletal-problems-on-fatigue-and-productivity-of-office-personnel-a-cross-sectional-study
#15
REVIEW
H Daneshmandi, A R Choobineh, H Ghaem, M Alhamd, A Fakherpour
Introduction: Work-related Musculoskeletal Disorders (WMSDs) can impact on fatigue and productivity of office workers. This study aimed to investigate the effect of musculoskeletal problems on fatigue and productivity among office personnel. Methods: This study was performed on 101 Iranian office workers. Data were gathered through a demographic questionnaire, Nordic Musculoskeletal Questionnaire, Numeric Rating Scale, Persian version of Multidimensional Assessment of Fatigue Scale, and Persian version of Health and Work Questionnaire...
September 2017: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/29122128/carbon-fibre-reinforced-peek-radiolucent-intramedullary-nail-for-humeral-shaft-fracture-fixation-technical-features-and-a-pilot-clinical-study
#16
Niksa Kojic, Christoph Rangger, Celenk Özgün, Jakisa Lojpur, Jerome Mueller, Yoram Folman, Eyal Behrbalk, Bore Bakota
PURPOSE: This prospective pilot study investigated the safety and efficacy of a novel radiolucent intramedullary nail (IMN) made of Carbon-Fibre-Reinforced Polyaryl-Ether-Ether-Ketone (CFR-PEEK) for humeral shaft fracture fixation. STUDY DESIGN: A prospective, single-arm, four-centre study. PATIENTS AND METHODS: A total of 46 patients with 46 humeral fractures classified as 12 A-B were treated with a novel CFR-PEEK IMN and followed for 12 months...
November 2017: Injury
https://www.readbyqxmd.com/read/29120478/time-course-of-neck-shoulder-pain-among-workers-a-longitudinal-latent-class-growth-analysis
#17
David M Hallman, Charlotte D Nørregaard Rasmussen, Marie Birk Jørgensen, Andreas Holtermann
Objectives The aims of this study were to (i) identify trajectories of neck-shoulder pain (NSP) over one year in an occupational population and (ii) determine whether these trajectories are predicted by NSP characteristics as well as personal and occupational factors at baseline. Methods This longitudinal study was conducted among Danish workers (N=748) from 2012-2014. Text messages were used to collect frequent data on NSP over one year (14 waves in total). Peak NSP intensity in the past month was rated on a 0-10 numeric scale...
November 9, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/29120251/validity-of-the-flemish-working-alliance-inventory-in-a-dutch-physiotherapy-setting-in-patients-with-shoulder-pain
#18
Yasmaine Karel, Marloes Thoomes-De Graaf, Gwendolijne Scholten-Peeters, Paulo Ferreira, Dimitris Rizopoulos, Bart W Koes, Arianne P Verhagen
BACKGROUND: Working alliance is the interaction between the patient and therapist. It is a crucial part of the physiotherapeutic process. One instrument to measure working alliance is available in Dutch/Flemish language and validated in psychotherapy setting. OBJECTIVE: This study aims to validate the Working Alliance Inventory Short-Form in a Dutch physiotherapy setting. DESIGN: A prospective cohort study in primary-care physiotherapy. METHOD: To validate the Dutch/Flemish version of the working alliance inventory short-form (WAV-12) a RASCH analysis was used...
November 9, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29119677/minimal-mask-immobilization-with-optical-surface-guidance-for-head-and-neck-radiotherapy
#19
Bo Zhao, Genevieve Maquilan, Steve Jiang, David L Schwartz
PURPOSE: Full face and neck thermoplastic masks provide standard-of-care immobilization for patients receiving H&N IMRT. However, these masks are uncomfortable and increase skin dose. The purpose of this pilot trial was to investigate the feasibility and setup accuracy of minimal face and neck mask immobilization with optical surface guidance. METHODS: Twenty patients enrolled onto this IRB-approved protocol. Patients were immobilized with masks securing only forehead and chin...
November 9, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29119576/natural-course-of-fetal-axillary-lymphangioma-based-on-prenatal-ultrasound-studies
#20
Theera Tongsong, Suchaya Luewan, Jiraporn Khorana, Sirinart Sirilert, Cholaros Charoenratana
This series and literature review aimed to prenatally characterize the nature of axillary lymphangioma. A total of 30 cases, including our 5 cases, were analyzed. Insights gained from this review are as follows: Septate and nonseptate cysts seem to be different entities. The nonseptate type tends to be small and transient but more highly associated with aneuploidies. Septate cysts are very rarely associated with other abnormalities and hydrops fetalis, unlike cystic hygroma colli, but are more progressive with gestational age and associated with adverse outcomes...
November 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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