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Advances in Orthopedics

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https://www.readbyqxmd.com/read/28567308/cut-off-value-of-medial-meniscal-extrusion-for-knee-pain
#1
Hiroaki Kijima, Naohisa Miyakoshi, Yuji Kasukawa, Yoshinori Ishikawa, Hayato Kinoshita, Kentaro Ohuchi, Masazumi Suzuki, Nozomi Kaga, Chie Sato, Shuichi Chida, Yoichi Shimada
Purpose. Medial meniscal extrusion (MME) has attracted attention as an index of knee pain in conjunction with clinical symptoms that could be more useful than the diagnosis of knee osteoarthritis on X-ray. However, the size of MME that would cause knee pain has not been clarified. The aim of the present study was to investigate the cut-off value of MME for knee pain. Methods. A total of 318 knees were evaluated. The presence of current or past knee pain was confirmed by interview. Next, MME was measured using vertical sonographic images of the medial joint spaces during weightbearing...
2017: Advances in Orthopedics
https://www.readbyqxmd.com/read/28348892/minimizing-stress-shielding-and-cement-damage-in-cemented-femoral-component-of-a-hip-prosthesis-through-computational-design-optimization
#2
Abdellah Ait Moussa, Justin Fischer, Rohan Yadav, Morshed Khandaker
The average life expectancy of many people undergoing total hip replacement (THR) exceeds twenty-five years and the demand for implants that increase the load-bearing capability of the bone without affecting the short- or long-term stability of the prosthesis is high. Mechanical failure owing to cement damage and stress shielding of the bone are the main factors affecting the long-term survival of cemented hip prostheses and implant design must realistically adjust to balance between these two conflicting effects...
2017: Advances in Orthopedics
https://www.readbyqxmd.com/read/28168060/3d-printing-aids-acetabular-reconstruction-in-complex-revision-hip-arthroplasty
#3
Andrew J Hughes, Cathal DeBuitleir, Philip Soden, Brian O'Donnchadha, Anthony Tansey, Ali Abdulkarim, Colm McMahon, Conor J Hurson
Revision hip arthroplasty requires comprehensive appreciation of abnormal bony anatomy. Advances in radiology and manufacturing technology have made three-dimensional (3D) representation of osseous anatomy obtainable, which provide visual and tactile feedback. Such life-size 3D models were manufactured from computed tomography scans of three hip joints in two patients. The first patient had undergone multiple previous hip arthroplasties for bilateral hip infections, resulting in right-sided pelvic discontinuity and a severe left-sided posterosuperior acetabular deficiency...
2017: Advances in Orthopedics
https://www.readbyqxmd.com/read/28053787/healing-of-the-acutely-injured-anterior-cruciate-ligament-functional-treatment-with-the-acl-jack-a-dynamic-posterior-drawer-brace
#4
Matthias Jacobi, Nikolaus Reischl, Karolin Rönn, Robert A Magnusson, Emanuel Gautier, Roland P Jakob
Background. The injured anterior cruciate ligament (ACL) has a limited healing capacity leading to persisting instability. Hypothesis/Purpose. To study if the application of a brace, producing a dynamic posterior drawer force, after acute ACL injury reduces initial instability. Study Design. Cohort study. Methods. Patients treated with the ACL-Jack brace were compared to controls treated with primary ACL reconstruction und controls treated nonsurgically with functional rehabilitation. Measurements included anterior laxity (Rolimeter), clinical scores (Lysholm, Tegner, and IKDC), and MRI evaluation...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/28050285/orthopaedic-aspects-of-marfan-syndrome-the-experience-of-a-referral-center-for-diagnosis-of-rare-diseases
#5
Fernando De Maio, Alessandro Fichera, Vincenzo De Luna, Federico Mancini, Roberto Caterini
Marfan syndrome is caused by mutations in the fibrillin-1 gene (FBN1). The most important features affect the cardiovascular system, eyes, and skeleton. The aim of this study was to report the most frequent musculoskeletal alterations observed in 146 patients affected by Marfan syndrome. Fifty-four patients (37%) underwent cardiac surgery and 11 of them received emergent surgery for acute aortic dissection. Ectopia lentis was found in 68 patients (47%) whereas myopia above 3D occurred in 46 patients (32%). Musculoskeletal anomalies were observed in all patients with Marfan syndrome...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/28018678/risk-factors-for-postoperative-urinary-tract-infections-in-patients-undergoing-total-joint-arthroplasty
#6
Andrew P Alvarez, Alysen L Demzik, Hasham M Alvi, Kevin D Hardt, David W Manning
Background. Urinary tract infections (UTIs) are the most common minor complication following total joint arthroplasty (TJA) with incidence as high as 3.26%. Bladder catheterization is routinely used during TJA and the Centers for Medicare and Medicaid Services (CMS) has recently identified hospital-acquired catheter associated UTI as a target for quality improvement. This investigation seeks to identify specific risk factors for UTI in TJA patients. Methods. We retrospectively studied patients undergoing TJA for osteoarthritis between 2006 and 2013 in the American College of Surgeon's National Surgical Improvement Program Database (ACS-NSQIP)...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27999686/the-importance-of-bone-mineral-density-in-hip-arthroplasty-results-of-a-survey-asking-orthopaedic-surgeons-about-their-opinions-and-attitudes-concerning-osteoporosis-and-hip-arthroplasty
#7
Gerrit Steffen Maier, Kristina Kolbow, Djordje Lazovic, Uwe Maus
Objective. In patients scheduled to undergo total joint arthroplasty of the hip, the bone quality around the joint affects the safety of prosthetic implantation. Bone strength is clinically assessed by measuring bone mineral density (BMD); therefore we asked if BMD is important to orthopaedic surgeons performing hip arthroplasty. Methods. In a 14-question survey, we asked about treatment patterns with respect to BMD, osteoporosis work-up, and treatment for patients with low BMD scheduled to undergo hip arthroplasty...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27999685/impact-of-active-ankle-movement-frequency-on-velocity-of-lower-limb-venous-flow-following-total-hip-arthroplasty
#8
Tsutomu Nakayama, Sachiyuki Tsukada, Takayuki Hiyama, Tatsuya Yamada, Naoyuki Hirasawa
Background. Although active ankle movement plays a predominant role in mechanical thromboprophylaxis following total hip arthroplasty (THA), the most effective frequency of movement remains unclear. Materials and Methods. In 29 consecutive patients undergoing THA, the velocity of blood flow in the profunda femoris was measured after various frequencies of ankle movement two days after THA using a pulse wave Doppler ultrasound system. To test the interobserver reliabilities for the velocity measured with Doppler ultrasound system, the intraclass correlation coefficient was calculated based on the measurement in 10 limbs of healthy volunteers...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27974973/day-of-surgery-admission-in-total-joint-arthroplasty-why-are-surgeries-cancelled-an-analysis-of-3195-planned-procedures-and-114-cancellations
#9
David M Dalton, Enda G Kelly, Terence P Murphy, Gerry F McCoy, Aaron A Glynn
Background. Day of surgery admission (DOSA) is becoming standard practice as a means of reducing cost in total joint arthroplasty. Aims. The aim of our study was to audit the use of DOSA in a specialty hospital and identify reasons for cancellation. Methods. A retrospective study of patients presenting for hip or knee arthroplasty between 2008 and 2013 was performed. All patients were assessed at the preoperative assessment clinic (PAC). Results. Of 3195 patients deemed fit for surgery, 114 patients (3.5%) had their surgery cancelled...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27957344/digital-tip-amputations-from-the-perspective-of-the-nail
#10
REVIEW
Lloyd Champagne, Joshua W Hustedt, Robert Walker, John Wiebelhaus, N Ake Nystrom
The management strategy proposed herein for fingertip amputations advocates secondary healing with preservation of appearance as well as function. Conservative healing is more likely to result in a sensate, nontender, and cosmetically acceptable fingertip compared to surgical management in many clinical scenarios. This manuscript examines in detail the extent of fingertip injury and defines the relationship of injury to final fingertip outcome. A classification is presented, which allows adequate initial counseling regarding prognosis, and predicts the need for secondary corrective surgery...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27843650/reliability-and-validity-measurement-of-sagittal-lumbosacral-quiet-standing-posture-with-a-smartphone-application-in-a-mixed-population-of-183-college-students-and-personnel
#11
George A Koumantakis, Maria Nikoloudaki, Sara Thacheth, Kalliroi Zagli, Konstantina Bitrou, Andreas Nigritinos, Leon Botton
Accurate recording of spinal posture with simple and accessible measurement devices in clinical practice may lead to spinal loading optimization in occupations related to prolonged sitting and standing postures. Therefore, the purpose of this study was to establish the level of reliability of sagittal lumbosacral posture in quiet standing and the validity of the method in differentiating between male and female subjects, establishing in parallel a normative database. 183 participants (83 males and 100 females), with no current low back or pelvic pain, were assessed using the "iHandy Level" smartphone application...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27818800/new-technique-for-tibiotalar-arthrodesis-using-a-new-intramedullary-nail-device-a-cadaveric-study
#12
Emmanuel D Eisenstein, Mario Rodriguez, Amr A Abdelgawad
Introduction. Ankle arthrodesis is performed in a variety of methods. We propose a new technique for tibiotalar arthrodesis using a newly designed intramedullary nail. Methods. We proposed development of an intramedullary device for ankle arthrodesis which spared the subtalar joint using a sinus tarsi approach. Standard saw bones models and computer assisted modeling and stress analysis were used to develop different nail design geometries and determine the feasibility of insertion. After the final design was constructed, the device was tested on three cadaveric specimens...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27800188/arthroscopic-treatment-for-primary-septic-arthritis-of-the-hip-in-adults
#13
Jörg Hartmut Schröder, David Krüger, Carsten Perka, Martin Hufeland
Purpose. Primary septic arthritis is a rare differential diagnosis of acute hip pain in adults. Inspired by the success of all-arthroscopic treatment in pediatric patients, we developed a diagnostic and surgical pathway for our adult patients. Methods. Seven patients, average age 44 ± 13.7 years with acute hip pain since 4.4 ± 2.9 days in the average, were included. Septic arthritis was confirmed by joint aspiration and dissemination was excluded by MRI and standard radiographs. Surgical treatment consisted of immediate arthroscopic lavage using 4 portals for debridement, high-volume irrigation, partial synovectomy, and drainage...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27688914/the-prevalence-of-mrsa-nasal-carriage-in-preoperative-pediatric-orthopaedic-patients
#14
J J Walrath, W L Hennrikus, C Zalonis, A M Dyer, J E Latorre
Nasal carriage of methicillin-resistant Staphylococcus aureus (MRSA) has been described as a risk factor for postsurgical infection. The purpose of this study is to determine the prevalence of MRSA in pediatric orthopaedic patients and whether being a MRSA carrier is a predictor of postoperative infection. Six hundred and ninety-nine consecutive pediatric patients who underwent MRSA nasal screening prior to surgery were studied. Postoperative cultures, total surgical site infections (SSIs), and epidemiological and surgical prophylaxis data were reviewed...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27462471/arthroscopic-repair-of-articular-surface-partial-thickness-rotator-cuff-tears-transtendon-technique-versus-repair-after-completion-of-the-tear-a-meta-analysis
#15
REVIEW
Yohei Ono, Jarret M Woodmass, Aaron J Bois, Richard S Boorman, Gail M Thornton, Ian K Y Lo
Articular surface partial-thickness rotator cuff tears (PTRCTs) are commonly repaired using two different surgical techniques: transtendon repair or repair after completion of the tear. Although a number of studies have demonstrated excellent clinical outcomes, it is unclear which technique may provide superior clinical outcomes and tendon healing. The purpose was to evaluate and compare the clinical outcomes following arthroscopic repair of articular surface PTRCT using a transtendon technique or completion of the tear...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27340569/minimally-invasive-medial-plating-of-low-energy-lisfranc-injuries-preliminary-experience-with-five-cases
#16
Jorge Javier Del Vecchio, Mauricio Ghioldi, Nicolás Raimondi, Manuel De Elias
Fracture dislocations involving the Lisfranc joint are rare; they represent only 0.2% of all the fractures. There is no consensus about the surgical management of these lesions in the medical literature. However, both anatomical reduction and tarsometatarsal stabilization are essential for a good outcome. In this clinical study, five consecutive patients with a diagnosis of Lisfranc low-energy lesion were treated with a novel surgical technique characterized by minimal osteosynthesis performed through a minimally invasive approach...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27313898/reliable-alignment-in-total-knee-arthroplasty-by-the-use-of-an-ipod-based-navigation-system
#17
Paola Koenen, Marco M Schneider, Matthias Fröhlich, Arne Driessen, Bertil Bouillon, Holger Bäthis
Axial alignment is one of the main objectives in total knee arthroplasty (TKA). Computer-assisted surgery (CAS) is more accurate regarding limb alignment reconstruction compared to the conventional technique. The aim of this study was to analyse the precision of the innovative navigation system DASH® by Brainlab and to evaluate the reliability of intraoperatively acquired data. A retrospective analysis of 40 patients was performed, who underwent CAS TKA using the iPod-based navigation system DASH. Pre- and postoperative axial alignment were measured on standardized radiographs by two independent observers...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27239347/comment-on-a-systematic-literature-review-of-three-modalities-in-technologically-assisted-tka
#18
Raju Vaishya, Nishint Gupta, Vipul Vijay, Amit Kumar Agrawal
No abstract text is available yet for this article.
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27190653/early-functional-treatment-and-modern-cast-making-for-indications-in-hand-surgery
#19
REVIEW
S Bohr, N Pallua
Cast treatment can serve both as a nonsurgical treatment option and as a means for providing postoperative protection. However, with the duration of immobilization intervals, the benefits of cast treatment, especially in hand surgery, are at risk of being outweighed by undesired drawbacks such as joint stiffening and contracture formation. In order to minimize potential complications commonly associated with cast treatment, efforts to further improve cast making must attempt to reconcile two conflicting objectives: (1) to achieve stability and rigidity at the site of injury (e...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27092280/effects-of-zoledronate-on-mortality-and-morbidity-after-surgical-treatment-of-hip-fractures
#20
Ömer Cengiz, Gökhan Polat, Gökhan Karademir, Oytun Derya Tunç, Mehmet Erdil, İbrahim Tuncay, Cengiz Şen
We aimed to evaluate the effects of intertrochanteric femoral fractures on mortality, morbidity, and cost of zoledronate treatment in elderly patients treated by osteosynthesis. Based on Evans classification, 114 patients with unstable intertrochanteric femoral fractures were treated with osteosynthesis. After the surgical treatment of intertrochanteric fractures, the treatment group (M/F, 24/32; mean age, 76.7 ± SD years) received zoledronate infusion, and the control group (M/F, 20/38; mean age, 80.2 ± SD years) received placebo...
2016: Advances in Orthopedics
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