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https://www.readbyqxmd.com/read/28927935/different-effect-of-percutaneous-plate-insertion-via-anteromedial-vs-anterolateral-approach-on-intracompartmental-pressure-of-the-leg-a-cadaveric-study
#1
Chavarin Amarase, Wanchat Thimasarn, Saran Tantavisut, Thanasil Huanmanop, Yongsak Wangroongsub, Worawat Limthongkul
BACKGROUND: Currently Minimally Invasive Plate Osteosynthesis (MIPO) technique for tibial shaft fracture management has gained wide attention. However, an increased intracompartmental pressure after the plate insertion may result in postoperative acute compartment syndrome. We reported the difference of immediate effect of percutaneous plate insertion using 2 approaches of MIPO technique on anterior compartment pressure of the legs. MATERIALS AND METHODS: Eight soft cadaveric legs (one female and three males) without previous history of skeletal trauma or surgery were infused with normal saline to create the sustained intracompartmental pressure of 20mm Hg in all four compartments...
September 6, 2017: Injury
https://www.readbyqxmd.com/read/28924582/data-on-the-effect-of-conductive-hearing-loss-on-auditory-and-visual-cortex-activity-revealed-by-intrinsic-signal-imaging
#2
Manuel Teichert, Jürgen Bolz
This data article provides additional data related to the research article entitled "Simultaneous intrinsic signal imaging of auditory and visual cortex reveals profound effects of acute hearing loss on visual processing" (Teichert and Bolz, 2017) [1]. The primary auditory and visual cortex (A1 and V1) of adult male C57BL/6J mice (P120-P240) were mapped simultaneously using intrinsic signal imaging (Kalatsky and Stryker, 2003) [2]. A1 and V1 activity evoked by combined auditory and visual stimulation were measured before and after conductive hearing loss (CHL) induced by bilateral malleus removal...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28923140/working-memory-capacity-and-surgical-performance-while-exposed-to-mild-hypoxic-hypoxemia
#3
Paul J Parker, Andrew J Manley, Ross Shand, John P O'Hara, Adrian Mellor
INTRODUCTION: Medical Emergency Response Team (MERT) helicopters fly at altitudes of 3000 m in Afghanistan (9843 ft). Civilian hospitals and disaster-relief surgical teams may have to operate at such altitudes or even higher. Mild hypoxia has been seen to affect the performance of novel tasks at flight levels as low as 5000 ft. Aeromedical teams frequently work in unpressurized environments; it is important to understand the implications of this mild hypoxia and investigate whether supplementary oxygen systems are required for some or all of the team members...
October 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28884248/swipe-right-dating-website-and-app-use-among-men-who-have-sex-with-men
#4
Hannah J Badal, Jo Ellen Stryker, Nickolas DeLuca, David W Purcell
This study explored the frequency of dating website and app usage among MSM to understand sub-group differences in use. Web-based survey data (N = 3105) were analyzed to assess the use of dating websites and apps. More than half (55.7%) of MSM in this sample were frequent users of dating websites and apps. Two-thirds (66.7%) of frequent users had casual partners only in the past 12 months and reported a high average number of casual sexual partners in the past 12 months (Mdn = 5.0) compared to never users (Mdn = 0...
September 7, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28864410/aspiration-thrombectomy-with-off-label-distal-access-catheters-in-the-distal-intracranial-vasculature
#5
Alexander G Chartrain, Christopher P Kellner, Jacob R Morey, Thomas J Oxley, Hazem Shoirah, J Mocco, Johanna Fifi, Reade A De Leacy
BACKGROUND: As neurointerventionalists aim to treat occlusions in the ever more distal vasculature, off-label catheters (OLCs) have been adapted for aspiration thrombectomy. This may not be without its attendant risks. Recently issued, a letter from the FDA cautioned providers against using OLCs as substitutes for FDA-cleared aspiration thrombectomy catheters, especially in the distal vasculature. In light of this, we evaluated the efficacy and safety of OLCs used for aspiration thrombectomy in the distal vasculature at our institution...
August 29, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28860400/mid-term-outcomes-of-77-modular-radial-head-prostheses
#6
P Laumonerie, N Reina, D Ancelin, S Delclaux, M E Tibbo, N Bonnevialle, P Mansat
AIMS: Radial head arthroplasty (RHA) may be used in the treatment of non-reconstructable radial head fractures. The aim of this study was to evaluate the mid-term clinical and radiographic results of RHA. PATIENTS AND METHODS: Between 2002 and 2014, 77 RHAs were implanted in 54 men and 23 women with either acute injuries (54) or with traumatic sequelae (23) of a fracture of the radial head. Four designs of RHA were used, including the Guepar (Small Bone Innovations (SBi)/Stryker; 36), Evolutive (Aston Medical; 24), rHead RECON (SBi/Stryker; ten) or rHead STANDARD (SBi/Stryker; 7) prostheses...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28822222/biomechanical-comparison-of-a-novel-monocortical-and-two-common-bicortical-external-fixation-systems-regarding-rigidity-and-dynamic-stability
#7
Patrick A Varady, Markus Greinwald, Peter Augat
AIM: To biomechanically compare a monocortical single frame external fixator (Orthofix UNYCO) with two bicortical fixator systems (dual frame: Stryker Hoffmann and single frame: Synthes LEF) with respect to system rigidity and stability under cyclic loading. METHODS: The fixator systems were assessed for axial rigidity under loads which would occur clinically during fixator application and dynamic stability (cyclic fatigue) under loads which would occur in the first week postoperatively...
August 19, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28750856/readability-of-patient-education-materials-from-the-web-sites-of-orthopedic-implant-manufacturers
#8
Meghan M Yi, Paul H Yi, Khalil I Hussein, Michael B Cross, Craig J Della Valle
BACKGROUND: Prior studies indicate that orthopedic patient education materials are written at a level that is too high for the average patient. The purpose of this study was to assess the readability of online patient education materials provided by orthopedic implant manufacturers. METHODS: All patient education articles available in 2013 from the web sites of the 5 largest orthopedic implant manufacturers were identified. Each article was evaluated with the Flesch-Kincaid (FK) readability test...
July 11, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28741322/-frecuency-of-diagnosis-of-bone-lesions-in-cases-of-anterior-glenohumeral-dislocation
#9
P G Galdámez-Grajeda, R I Esperón-Hernández, F Martínez-Escalante, G Bobadilla-Lezcano, F Cámara-Arrigunaga
BACKGROUND: Shoulder dislocation is a common reason for admission in the emergency room. Its recurrence rate may be as high as 96% due to the associated bone lesions. The purpose of this study is to identify the underreporting of lesions comparing those identified in the initial X-ray with those identified in the post-reduction X-ray. MATERIAL AND METHODS: X-rays of 46 patients with suspected anterior glenohumeral dislocation were assessed for diagnostic purposes and to identify the initial bone lesions...
January 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28699273/improved-autologous-cortical-bone-harvest-and-viability-with-2flute-otologic-burs
#10
Adam A Roth, Pei-Ciao Tang, Michael J Ye, Khalid S Mohammad, Rick F Nelson
OBJECTIVES: To determine if 2Flute (Stryker Corporation, Kalamazoo, MI) otologic burs improve the size, cellular content, and bone healing of autologous cortical bone grafts harvested during canal wall reconstruction (CWR) tympanomastoidectomy with mastoid obliteration. STUDY DESIGN: Institutional review board-approved prospective cohort study. METHODS: Human autologous cortical bone chips were harvested using various burs (4 and 6 mm diameter; multiflute, and 2Flute [Stryker Corporation]) from patients undergoing CWR tympanomastoidectomy for the treatment of chronic otitis media with cholesteatoma...
July 12, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28658181/a-prospective-randomized-comparison-of-lower-eyelid-retraction-repair-with-autologous-auricular-cartilage-bovine-acellular-dermal-matrix-surgimend-and-porcine-acellular-dermal-matrix-enduragen-spacer-grafts
#11
Anne Barmettler, Moonseoung Heo
PURPOSE: To compare outcomes of lower eyelid retraction repair with 3 types of spacer grafts: autologous auricular cartilage, bovine acellular dermal matrix (Surgimend, Integra, Plainsboro, NJ), porcine acellular dermal matrix (Enduragen, Stryker, Kalamazoo, MI). METHODS: A prospective, randomized clinical trial was conducted in patients undergoing lower eyelid retraction repair with spacer graft. Subjects received autologous auricular cartilage, bovine acellular dermal matrix, or porcine acellular dermal matrix between June 2015 and July 2016...
June 19, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28650228/cdc-s-testing-makes-us-stronger-tmus-campaign-was-campaign-exposure-associated-with-hiv-testing-behavior-among-black-gay-and-bisexual-men
#12
Nancy Habarta, Vanessa Boudewyns, Hannah Badal, Jennie Johnston, Jennifer Uhrig, Donata Green, Paul Ruddle, Jacqueline Rosenthal, Jo Ellen Stryker
This study assessed exposure among Black gay, bisexual, and other men who have sex with men (BMSM) to a communication campaign, Testing Makes Us Stronger (TMUS), and its association with HIV testing to determine campaign effectiveness. Data from an online survey (N = 3,105) were analyzed using propensity score weight-adjusted logistic regression to examine the effect of exposure on HIV testing. Among BMSM aged 18-44 (n = 702), 43.2% reported TMUS exposure. The majority of those exposed were aged 25-34 (54%), HIV-negative (65%), and had some college education (87%)...
June 2017: AIDS Education and Prevention: Official Publication of the International Society for AIDS Education
https://www.readbyqxmd.com/read/28647622/risk-factors-for-unsuccessful-acetabular-press-fit-fixation-at-primary-total-hip-arthroplasty
#13
U Brulc, V Antolič, B Mavčič
BACKGROUND: Surgeon at primary total hip arthroplasty sometimes cannot achieve sufficient cementless acetabular press-fit fixation and must resort to other fixation methods. Despite a predominant use of cementless cups, this issue is not fully clarified, therefore we performed a large retrospective study to: (1) identify risk factors related to patient or implant or surgeon for unsuccessful intraoperative press-fit; (2) check for correlation between surgeons' volume of operated cases and the press-fit success rate...
June 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28647286/the-taper-corrosion-pattern-observed-for-one-bi-modular-stem-design-is-related-to-geometry-determined-taper-mechanics
#14
Dennis Buente, Michael Bryant, Michael Ward, Anne Neville, Michael Morlock, Gerd Huber
Bi-modular primary hip stems exhibit high revision rates owing to corrosion at the stem-neck taper, and are associated with local adverse tissue reactions. The aim of this study was to relate the wear patterns observed for one bi-modular design to its design-specific stem-neck taper geometry. Wear patterns and initial geometry of the taper junctions were determined for 27 retrieved bi-modular primary hip arthroplasty stems (Rejuvenate, Stryker Orthopaedics) using a tactile coordinate-measuring device. Regions of high-gradient wear patterns were additionally analyzed via optical and electron microscopy...
August 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28629905/2017-american-college-of-rheumatology-american-association-of-hip-and-knee-surgeons-guideline-for-the-perioperative-management-of-antirheumatic-medication-in-patients-with-rheumatic-diseases-undergoing-elective-total-hip-or-total-knee-arthroplasty
#15
Susan M Goodman, Bryan Springer, Gordon Guyatt, Matthew P Abdel, Vinod Dasa, Michael George, Ora Gewurz-Singer, Jon T Giles, Beverly Johnson, Steve Lee, Lisa A Mandl, Michael A Mont, Peter Sculco, Scott Sporer, Louis Stryker, Marat Turgunbaev, Barry Brause, Antonia F Chen, Jeremy Gililland, Mark Goodman, Arlene Hurley-Rosenblatt, Kyriakos Kirou, Elena Losina, Ronald MacKenzie, Kaleb Michaud, Ted Mikuls, Linda Russell, Alexander Sah, Amy S Miller, Jasvinder A Singh, Adolph Yates
OBJECTIVE: This collaboration between the American College of Rheumatology and the American Association of Hip and Knee Surgeons developed an evidence-based guideline for the perioperative management of antirheumatic drug therapy for adults with rheumatoid arthritis (RA), spondyloarthritis (SpA) including ankylosing spondylitis and psoriatic arthritis, juvenile idiopathic arthritis (JIA), or systemic lupus erythematosus (SLE) undergoing elective total hip (THA) or total knee arthroplasty (TKA)...
June 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28620948/2017-american-college-of-rheumatology-american-association-of-hip-and-knee-surgeons-guideline-for-the-perioperative-management-of-antirheumatic-medication-in-patients-with-rheumatic-diseases-undergoing-elective-total-hip-or-total-knee-arthroplasty
#16
Susan M Goodman, Bryan Springer, Gordon Guyatt, Matthew P Abdel, Vinod Dasa, Michael George, Ora Gewurz-Singer, Jon T Giles, Beverly Johnson, Steve Lee, Lisa A Mandl, Michael A Mont, Peter Sculco, Scott Sporer, Louis Stryker, Marat Turgunbaev, Barry Brause, Antonia F Chen, Jeremy Gililland, Mark Goodman, Arlene Hurley-Rosenblatt, Kyriakos Kirou, Elena Losina, Ronald MacKenzie, Kaleb Michaud, Ted Mikuls, Linda Russell, Alexander Sah, Amy S Miller, Jasvinder A Singh, Adolph Yates
OBJECTIVE: This collaboration between the American College of Rheumatology and the American Association of Hip and Knee Surgeons developed an evidence-based guideline for the perioperative management of antirheumatic drug therapy for adults with rheumatoid arthritis (RA), spondyloarthritis (SpA) including ankylosing spondylitis and psoriatic arthritis, juvenile idiopathic arthritis (JIA), or systemic lupus erythematosus (SLE) undergoing elective total hip (THA) or total knee arthroplasty (TKA)...
August 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28620917/2017-american-college-of-rheumatology-american-association-of-hip-and-knee-surgeons-guideline-for-the-perioperative-management-of-antirheumatic-medication-in-patients-with-rheumatic-diseases-undergoing-elective-total-hip-or-total-knee-arthroplasty
#17
REVIEW
Susan M Goodman, Bryan Springer, Gordon Guyatt, Matthew P Abdel, Vinod Dasa, Michael George, Ora Gewurz-Singer, Jon T Giles, Beverly Johnson, Steve Lee, Lisa A Mandl, Michael A Mont, Peter Sculco, Scott Sporer, Louis Stryker, Marat Turgunbaev, Barry Brause, Antonia F Chen, Jeremy Gililland, Mark Goodman, Arlene Hurley-Rosenblatt, Kyriakos Kirou, Elena Losina, Ronald MacKenzie, Kaleb Michaud, Ted Mikuls, Linda Russell, Alexander Sah, Amy S Miller, Jasvinder A Singh, Adolph Yates
OBJECTIVE: This collaboration between the American College of Rheumatology and the American Association of Hip and Knee Surgeons developed an evidence-based guideline for the perioperative management of antirheumatic drug therapy for adults with rheumatoid arthritis (RA), spondyloarthritis (SpA) including ankylosing spondylitis and psoriatic arthritis, juvenile idiopathic arthritis (JIA), or systemic lupus erythematosus (SLE) undergoing elective total hip (THA) or total knee arthroplasty (TKA)...
August 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28578471/retrieval-evidence-of-impingement-at-the-third-articulation-in-contemporary-dual-mobility-cups-for-total-hip-arthroplasty
#18
Anna Di Laura, Harry S Hothi, Johann Henckel, Arianna Cerquiglini, Ming Han Lincoln Liow, Young-Min Kwon, John A Skinner, Alister J Hart
PURPOSE: We aimed to assess polyethylene liners of retrieved hips of one design of a dual mobility (DM) cup liner and two designs of femoral stems to better understand the role of femoral stem design on polyethylene impingement. METHODS: This was a case-control study involving 70 retrieved highly cross-linked polyethylene (X3) liners used with ABGII (n = 35) and Rejuvenate (n = 35) stems (Stryker). All polyethylene liners were assessed for evidence of rim deformation and the damage quantified using metrology methods...
June 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28576689/coronal-alignment-predicts-the-use-of-semi-constrained-implants-in-contemporary-total-knee-arthroplasty
#19
J Ryan Martin, Keith A Fehring, Chad D Watts, Daniel L Levy, Bryan D Springer, Raymond H Kim
BACKGROUND: Semi-constrained, or varus-valgus constrained, implants are occasionally necessary to achieve stability in primary total knee arthroplasty (TKA). However, outcomes with these implants are largely unknown. Therefore, the primary goals of this study were to determine 1) can we identify preoperatively which patients might require a semi-constrained implant and 2) are there any clinical and or radiographic differences for those that require a semi-constrained implant? METHODS: A multicenter retrospective study was performed to retrospectively review patients that had a Stryker Triathlon (Kalamazoo, MI) TKA with a Total Stabilized (TS) tibial insert (n=75)...
May 30, 2017: Knee
https://www.readbyqxmd.com/read/28538452/proximal-femoral-shortening-after-cephalomedullary-nail-insertion-for-intertrochanteric-fractures
#20
Ron Gilat, Omri Lubovsky, Ehud Atoun, Ronen Debi, Ornit Cohen, Yoram A Weil
OBJECTIVE: To assess the incidence of proximal femoral shortening (PFS) and its effect on the patient outcomes when intertrochanteric fractures were treated with a cephalomedullary nail (CMN). DESIGN: Retrospective cohort study. SETTINGS: Level II trauma center. PATIENTS: Forty-eight consecutive patients with OTA/AO 31-A intertrochanteric fractures. INTERVENTION: All patients were treated with a Gamma3 CMN (Stryker, Kalamazoo, MI)...
June 2017: Journal of Orthopaedic Trauma
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