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https://www.readbyqxmd.com/read/28647286/the-taper-corrosion-pattern-observed-for-one-bi-modular-stem-design-is-related-to-geometry-determined-taper-mechanics
#1
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...
June 21, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28646129/microscope-enhanced-the-efficacy-and-safety-of-anterior-cervical-surgery-for-managing-cervical-ossification-of-the-posterior-longitudinal-ligament
#2
Mingxiao Sun, Lili Kong, Zhaofu Jiang, Liming Li, Bing Lu
BACKGROUND We aimed to compare microscope-assisted anterior cervical surgery with traditional open-base surgery for treating cervical ossification of the posterior longitudinal ligament (OPLL). MATERIAL AND METHODS Patients were grouped into microscope-assisted anterior cervical surgery group (case group, n=30) and conventional anterior cervical surgery group (control group, n=30). Baseline characteristics, intraoperative and post-operative indexes including operation time, blood loss amount, duration of hospitalization, visual analogue scale (VAS), and complication rate were recorded...
June 24, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28645598/efficacy-of-early-surgery-for-neurological-improvement-in-spinal-cord-injury-without-radiographic-evidence-of-trauma-in-the-elderly
#3
Tomoo Inoue, Shinsuke Suzuki, Toshiki Endo, Hiroshi Uenohara, Teiji Tominaga
OBJECT: The optimal timing for surgery for patients with spinal cord injury without radiographic evidence of trauma (SCIWORET) remains unclear. This is especially true in the elderly, because most studies are done with younger patients to avoid age-related comorbidities. We therefore aimed to compare the efficacy of early (less than 24 hours post-injury) versus late (more than 24 hours post-injury) surgery in patients with SCIWORET aged 65 years or older. METHODS: We identified patients aged 65 years or older who underwent surgery for SCIWORET between January 1995 and February 2016...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645423/a-technique-for-extraction-of-the-distal-segment-of-a-broken-femoral-nail-using-a-flexible-reamer
#4
C Zhao, G J R Slater
INTRODUCTION: Extraction of broken femoral nails in peri-implant fractures is becoming an increasingly common problem faced by orthopaedic surgeons. Different closed and open techniques for removal of broken nails have been previously described but due to variations in equipment and fracture configurations these methods are not always easily reproducible. We describe an open surgical technique using simple equipment that can be utilised when other methods of extraction have failed. CASE PRESENTATION AND SURGICAL TECHNIQUE: We present a case of a peri-implant fracture secondary to non-union involving a short cephalomedullary nail where the broken distal segment of nail was significantly more distal to the femoral fracture site...
June 16, 2017: Injury
https://www.readbyqxmd.com/read/28645301/the-sternal-management-accelerated-recovery-trial-s-m-a-r-t-standard-restrictive-versus-an-intervention-of-modified-sternal-precautions-following-cardiac-surgery-via-median-sternotomy-study-protocol-for-a-randomised-controlled-trial
#5
Md Ali Katijjahbe, Linda Denehy, Catherine L Granger, Alistair Royse, Colin Royse, Rebecca Bates, Sarah Logie, Sandy Clarke, Doa El-Ansary
BACKGROUND: The routine implementation of sternal precautions to prevent sternal complications that restrict the use of the upper limbs is currently worldwide practice following a median sternotomy. However, evidence is limited and drawn primarily from cadaver studies and orthopaedic research. Sternal precautions may delay recovery, prolong hospital discharge and be overly restrictive. Recent research has shown that upper limb exercise reduces post-operative sternal pain and results in minimal micromotion between the sternal edges as measured by ultrasound...
June 23, 2017: Trials
https://www.readbyqxmd.com/read/28644589/when-do-we-think-it-is-safe-to-drive-after-hand-surgery-current-practice-and-legal-perspective
#6
S F Murphy, J D Martin-Smith, W Martin-Smith, E O'Broin, A J P Clover
Patients recovering from hand surgery frequently ask when it is safe to drive and it is unclear where the responsibility lies; the surgeon, the patient or the insurance company. An eight-question survey looking at various aspects of clinical practice was circulated to consultant and trainee plastic and orthopaedic surgeons in Ireland and the UK. Of the 89 surgeons who replied, (53%) felt the decision when to drive was the patient's compared with the insurance company (40%) and the surgeon (7%). 80% advised patients to contact their insurance company...
December 12, 2016: Irish Medical Journal
https://www.readbyqxmd.com/read/28644187/perioperative-blood-management-in-pediatric-spine-surgery
#7
Matthew E Oetgen, Jody Litrenta
Blood management strategies are integral to successful outcomes in many types of orthopaedic surgery. These strategies minimize blood loss and transfusion requirements, ultimately decreasing complications, improving outcomes, and potentially eliminating risks associated with allogeneic transfusion. Practices to achieve these goals include preoperative evaluation and optimization of hemoglobin, the use of pharmacologic agents or anesthetic methods, intraoperative techniques to improve hemostasis and cell salvage, and the use of predonated autologous blood...
July 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28644120/a-process-improvement-evaluation-of-sequential-compression-device-compliance-and-effects-of-provider-intervention
#8
Jason A Beachler, Chad A Krueger, Anthony E Johnson
This process improvement study sought to evaluate the compliance in orthopaedic patients with sequential compression devices and to monitor any improvement in compliance following an educational intervention. All non-intensive care unit orthopaedic primary patients were evaluated at random times and their compliance with sequential compression devices was monitored and recorded. Following a 2-week period of data collection, an educational flyer was displayed in every patient's room and nursing staff held an in-service training event focusing on the importance of sequential compression device use in the surgical patient...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28644117/reverse-total-shoulder-arthroplasty-for-complex-three-and-four-part-proximal-humerus-fractures-in-elderly-patients-a-review
#9
George F Lebus V, Hassan R Mir, Brandon D Bushnell
Complex proximal humerus fractures in elderly patients represent a difficult problem for orthopaedic surgeons. Classically, treatment methods have included nonoperative management, open reduction and internal fixation, and hemiarthroplasty. Outcomes of nonoperative management for these complex fractures have been poor, and results of traditional operative techniques are variable at best. Over the past several years, reverse total shoulder arthroplasty (RTSA) has been increasingly employed in these injuries with encouraging results...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28643620/adult-dogs-are-capable-of-regulating-calcium-balance-with-no-adverse-effects-on-health-when-fed-a-high-calcium-diet
#10
Jonathan Stockman, Phillip Watson, Matthew Gilham, David Allaway, Jujhar Atwal, Richard Haydock, Alison Colyer, Helen Renfrew, Penelope J Morris
Although the implications of long-term high Ca intakes have been well documented in growing dogs, the health consequences of Ca excess in adult dogs remain to be established. To evaluate the impact of feeding a diet containing 7·1 g/4184 kJ (1000 kcal) Ca for 40 weeks on Ca balance and health parameters in adult dogs, eighteen neutered adult Labrador Retrievers, (nine males and nine females) aged 2·5-7·4 years were randomised to one of two customised diets for 40 weeks. The diets were manufactured according to similar nutritional specifications, with the exception of Ca and P levels...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28643113/-safety-culture-in-orthopedics-and-trauma-surgery-course-concept-interpersonal-competence-by-the-german-society-for-orthopaedics-and-trauma-dgou-and-lufthansa-aviation-training
#11
REVIEW
A-K Doepfer, R Seemann, D Merschin, R Stange, M Egerth, M Münzberg, M Mutschler, B Bouillon, R Hoffmann
Patient safety has become a central and measurable key factor in the routine daily medical practice. The human factor plays a decisive role in safety culture and has moved into focus regarding the reduction of treatment errors and undesired critical incidents. Nonetheless, the systematic training in communication and interpersonal competences has so far only played a minor role. The German Society of Orthopaedics and Trauma (DGOU) in cooperation with the Lufthansa Aviation Training initiated a course system for interpersonal competence...
June 22, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28643102/post-operative-rotator-cuff-integrity-based-on-sugaya-s-classification-can-reflect-abduction-muscle-strength-of-the-shoulder
#12
Masahito Yoshida, Phillipe Collin, Thierry Josseaume, Alexandre Lädermann, Hideyuki Goto, Katumasa Sugimoto, Takanobu Otsuka
PURPOSE: Magnetic resonance (MR) imaging is common in structural and qualitative assessment of the rotator cuff post-operatively. Rotator cuff integrity has been thought to be associated with clinical outcome. The purpose of this study was to evaluate the inter-observer reliability of cuff integrity (Sugaya's classification) and assess the correlation between Sugaya's classification and the clinical outcome. It was hypothesized that Sugaya's classification would show good reliability and good correlation with the clinical outcome...
June 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28639869/economic-burden-of-inpatient-admission-of-ankle-fractures
#13
Justin D Stull, Suneel B Bhat, Justin M Kane, Steven M Raikin
BACKGROUND: Ankle fractures are among the most prevalent traumatic orthopaedic injuries. A large proportion of patients sustaining operative ankle fractures are admitted directly from the emergency department prior to operative management. In the authors' experience, however, many closed ankle injuries may be safely and effectively managed on an outpatient basis. The aim of this study was to characterize the economic impact of routine inpatient admission of ankle fractures. METHODS: A retrospective review of all outpatient ankle fracture surgery performed by a single foot and ankle fellowship-trained surgeon at a tertiary level academic center in 2012 was conducted to identify any patients requiring postoperative inpatient admission...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28639846/antibiotic-prophylaxis-is-not-indicated-prior-to-dental-procedures-for-prevention-of-periprosthetic-joint-infections
#14
Willem M H Rademacher, Geert H I M Walenkamp, Dirk Jan F Moojen, Johannes G E Hendriks, Theo A Goedendorp, Frederik R Rozema
Background and purpose - To minimize the risk of hematogenous periprosthetic joint infection (HPJI), international and Dutch guidelines recommended antibiotic prophylaxis prior to dental procedures. Unclear definitions and contradictory recommendations in these guidelines have led to unnecessary antibiotic prescriptions. To formulate new guidelines, a joint committee of the Dutch Orthopaedic and Dental Societies conducted a systematic literature review to answer the following question: can antibiotic prophylaxis be recommended for patients (with joint prostheses) undergoing dental procedures in order to prevent dental HPJI? Methods - The Medline, Embase, and Cochrane databases were searched for randomized controlled trials (RCTs), reviews, and observational studies up to July 2015...
June 22, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28639516/accuracy-assessment-of-surgical-planning-and-three-dimensional-printed-patient-specific-guides-for-orthopaedic-osteotomies
#15
Gwen Sys, Hannelore Eykens, Gerlinde Lenaerts, Felix Shumelinsky, Cedric Robbrecht, Bart Poffyn
This study analyses the accuracy of three-dimensional pre-operative planning and patient-specific guides for orthopaedic osteotomies. To this end, patient-specific guides were compared to the classical freehand method in an experimental setup with saw bones in two phases. In the first phase, the effect of guide design and oscillating versus reciprocating saws was analysed. The difference between target and performed cuts was quantified by the average distance deviation and average angular deviations in the sagittal and coronal planes for the different osteotomies...
June 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28639437/ultrasound-assisted-green-economic-synthesis-of-hydroxyapatite-nanoparticles-using-eggshell-bio-waste-and-study-of-mechanical-and-biological-properties-for-orthopaedic-applications
#16
Vijay H Ingole, Kamal Hany Hussein, Anil A Kashale, Kalyani Ghule, Tomaž Vuherer, Vanja Kokol, Jia-Yaw Chang, Yong-Chien Ling, Aruna Vinchurkar, Hom N Dhakal, Anil V Ghule
Nanostructured hydroxyapatite (HAp) is most favorable candidate biomaterial for bone tissue engineering because of its bioactive and osteoconductive properties. Herein, we report for the first time ultrasound assisted facile and economic approach for the synthesis of nanocrystalline hydroxyapatite (Ca10 (PO4 )6 (OH)2 ) using recycled eggshell bio-waste referred as EHAp. The process involves the reaction of eggshell bio-waste as a source of calcium and ammonium dihydrogen orthophosphate as a phosphate source...
June 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28638949/a-career-in-orthopaedics
#17
EDITORIAL
Andreas F Mavrogenis, Marius M Scarlat, Cyril Mauffrey, Pierre Kehr
No abstract text is available yet for this article.
June 21, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28637185/a-novel-method-of-open-reduction-and-internal-fixation-of-a-displaced-manubrial-fracture-using-distal-clavicle-locking-plates
#18
Daniel Miller, M Adeel Akhtar, Jonathan Fergusson, James L McVie
A 52-year-old man sustained a sternal fracture after a blunt traumatic chest injury. He was in severe pain in the intensive care unit, which resulted in difficulty breathing and increased analgesic requirement, and a decision was made to stabilize his manubrial fracture. Orthopaedic and thoracic surgeons jointly performed open reduction and internal fixation of the displaced manubrial fracture using 2 distal clavicle locking plates. This resulted in improvement in patient's pain and helped with his subsequent recovery and discharge from the hospital...
June 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28634093/total-hip-arthroplasty-after-transtrochanteric-rotational-osteotomy-for-osteonecrosis-of-the-femoral-head-a-mean-10-year-follow-up
#19
Yusuke Osawa, Taisuke Seki, Daigo Morita, Yasuhiko Takegami, Toshiaki Okura, Naoki Ishiguro
BACKGROUND: The objective of the present study was to investigate clinical, quality of life, and radiographic outcomes of patients who underwent total hip arthroplasty (THA) after transtrochanteric rotational osteotomy (TRO) for osteonecrosis of the femoral head (ONFH). METHODS: We performed a case-control study. The participants were 29 patients (34 hips) who underwent THA after TRO (TRO group). These patients had a mean age at surgery of 51.6 years (range, 30-72 years) and underwent postoperative follow-up for a mean period of 10...
May 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28633801/total-talar-prosthesis-replacement-after-talar-extrusion
#20
Sébastien Ruatti, Clémentine Corbet, Mehdi Boudissa, Gael Kerschbaumer, Michel Milaire, Philippe Merloz, Jérôme Tonetti
Dislocation of the talus is a serious and extremely rare injury, with 86 cases reported in the published data in 20 years. The reference standard for case management involves replacement of the dislocated talus to restore the height and function of the tibiotalar joint. The risk of avascular necrosis remains very high, and the standard treatment in such cases is tibiotalar arthrodesis. We report the case of total dislocation of the talus, which was treated with the insertion of a custom total talar prosthesis affixed directly to the tibial cartilage at 6 months after injury...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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