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https://www.readbyqxmd.com/read/28634561/custom-made-alumina-ceramic-total-talar-prosthesis-for-idiopathic-aseptic-necrosis-of-the-talus-report-of-two-cases
#1
Ichiro Tonogai, Daisuke Hamada, Yuhei Yamasaki, Keizo Wada, Tomoya Takasago, Takahiko Tsutsui, Tomohiro Goto, Koichi Sairyo
Two women aged 65 years and 78 years presented to our center with idiopathic necrosis of the talus. In both cases, imaging examinations showed collapse and sclerotic changes of the talar body caused by the necrosis. Both women underwent resection and placement of a third-generation custom-made alumina ceramic total talar prosthesis. Immobilization of the ankle in a short-leg cast for 3 weeks was followed by early rehabilitation. One year and 6 months after surgery, both women were able to walk without pain...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28622117/periprosthetic-femoral-fractures-in-the-emergency-department-what-the-orthopedic-surgeon-wants-to-know
#2
Richard A Marshall, Michael J Weaver, Aaron Sodickson, Bharti Khurana
Femoral fracture in the setting of a hip arthroplasty is an increasingly common complication encountered in the emergency department (ED). Diagnosis and management of periprosthetic fractures are complicated, and orthopedic surgeons rely on imaging findings to guide the appropriate management approach to the injury. Delay in identification and appropriate definitive management of periprosthetic fractures is associated with high morbidity and mortality. At present, the Vancouver classification system for periprosthetic hip fractures is the most common classification system used by orthopedic surgeons...
June 16, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28621577/fatigue-free-operation-of-most-body-powered-prostheses-not-feasible-for-majority-of-users-with-trans-radial-deficiency
#3
Mona Hichert, Alistair N Vardy, Dick Plettenburg
BACKGROUND: Body-powered prostheses require cable operation forces between 33 and 131 N. The accepted upper limit for fatigue-free long-duration operation is 20% of a users' maximum cable operation force. However, no information is available on users' maximum force. OBJECTIVES: To quantify users' maximum cable operation force and to relate this to the fatigue-free force range for the use of body-powered prostheses. STUDY DESIGN: Experimental trial...
June 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28608275/robert-mathys-finger-prosthesis-of-the-proximal-interphalangeal-joint-a-retrospective-case-series-of-19-joints-in-17-patients
#4
J P Rijnja, P P G M Kouwenberg, S Ray, E T Walbeehm
INTRODUCTION: The Robert Mathys (RM) Finger is a hinged type of arthroplasty for the metacarpophalangeal and proximal interphalangeal (PIP) joint that compensates ligament instability. The aim of this study is to evaluate the outcomes and complications of RM Finger arthroplasty of the PIP joint. MATERIALS AND METHODS: A retrospective case series of 19 RM Finger arthroplasties of the PIP joint in 17 patients was performed with a median follow-up of 36 months. The active range of motion (AROM) was measured pre-operatively, at the 6-week follow-up, at the termination of hand therapy, and at the final follow-up...
June 12, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28607784/use-of-nonvascularized-autologous-fibular-strut-graft-in-the-treatment-of-major-bone-defect-after-periprosthetic-knee-fracture
#5
Vincenzo Giordano, Bruno Parilha Coutinho, Mateus Kenji Miyahira, Felipe Serrão Mendes de Souza, Ney Pecegueiro do Amaral
We present the case of a patient who suffered a comminuted supracondylar periprosthetic femur fracture. The patient was an 86-year-old lady who suffered a minor fall at home and presented at our hospital with a right comminuted distal femur fracture around a total knee arthroplasty. The patient was submitted to a cruciate-sacrificing total knee replacement 6 years before at the same institution. Despite severe metaphyseal fragmentation and short distal fragment, the prosthesis was stable; thus, open fracture reduction and stabilization with internal fixation were performed...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28602534/bilateral-total-hip-and-knee-arthroplasties-average-10-year-follow-up
#6
John B Meding, Philip M Faris, Ken E Davis
BACKGROUND: The present study investigates the clinical and radiographic outcomes in patients with all 4 major lower extremity joints replaced. METHODS: A retrospective review of our institution's database identified 125 patients in whom both hips and both knees were replaced. The mean time between the first and last arthroplasty was 6.6 years. Preoperative diagnoses included osteoarthritis in 80% and rheumatoid arthritis in 20%. The average age at the time of the first arthroplasty was 63...
May 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28598582/outcomes-of-intercalary-prosthetic-reconstruction-for-pathological-diaphyseal-femoral-fractures-secondary-to-metastatic-tumors
#7
Hong-Chao Huang, Yong-Cheng Hu, Deng-Xing Lun, Jun Miao, Feng Wang, Xiong-Gang Yang, Xin-Long Ma
OBJECTIVE: To evaluate the clinical outcomes and complications of segmental prosthetic reconstruction for pathological diaphyseal femoral fractures secondary to metastatic tumors. METHODS: Between 2011 and 2015, we retrospectively evaluated 16 patients (6 men and 10 women; 64.5 ± 11.4 years old at diagnosis) who underwent prosthetic reconstruction after segmental resection of diaphyseal femoral fractures due to metastatic lesions. Visual analog scale (VAS), functional outcomes, implant-related complications, and Mean postoperative Musculoskeletal Tumor Society (MSTS) score for each patient were collected...
June 9, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28593060/fracture-of-the-tibial-baseplate-16-years-after-miller-galante-ii-total-knee-arthroplasty
#8
Kazuaki Mineta, Masahiko Okada, Soshi Matsumoto, Daisuke Hamada, Tomohiro Goto, Koichi Sairyo
We report a rare case of tibial baseplate fracture of Miller-Galante II (MG II) prosthesis. We examine the factors that may cause such late fracture and review the literature on radiographic analysis and retrieval studies. A 76-year-old woman, who had undergone bilateral MG II total knee arthroplasty due to rheumatoid arthritis 16 years earlier, presented to our department with a 3-month history of left knee pain. Plain radiographs revealed severe distortion of the medial tibial component. During revision knee arthroplasty, we observed severe metallosis in the knee joint, polyethylene insert deformation, and posteromedial coronal baseplate fracture...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28591928/-does-sports-activity-influence-total-knee-arthroplasty-durability-analysis-with-a-follow-up-of-12-years
#9
Christina Valle, Michael Sperr, Christina Lemhöfer, Karla Elida Bartel, Marcus Schmitt-Sody
Background Total knee replacement is the only surgical option to treat painful degenerative osteoarthritis, restore knee function, improve quality of life, and enable patients to return to sports activity. With an aging population expecting an active life after retirement, patients' expectations of improvement after surgery are increasing as well. In view of the growing demand for higher performance, exercise and athletic activity, clinicians have been increasingly forced to question how much athletic activity a patient may resume after total knee replacement, and what types of athletic activity seem to be acceptable...
June 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28589052/safe-and-effective-reduction-technique-for-intertrochanteric-fracture-with-ipsilateral-below-knee-amputated-limb
#10
Hironori Ochi, Tomonori Baba, Takahiro Hamanaka, Yu Ozaki, Taiji Watari, Yasuhiro Homma, Mikio Matsumoto, Kazuo Kaneko
The positioning of the patient on the fracture table is critical for the successful reduction and operative fixation of intertrochanteric hip fractures. However, this manipulation is challenging with patients who have undergone amputations of their legs. A 97-year-old man presented to the emergency department with symptom of right hip pain following a mechanical fall. He had a below-knee amputation on his right leg following a traffic accident as a 19-year-old and had a below-knee patellar tendon bearing prosthesis fitted to his lower limb for mobility...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28583338/distal-corporal-anchoring-stitch-a-technique-to-address-distal-corporal-crossovers-and-impending-lateral-extrusions-of-a-penile-prosthesis
#11
Gabriele Antonini, Gian Maria Busetto, Francesco Del Giudice, Matteo Ferro, Benjamin I Chung, Simon L Conti, Alfredo Suarez Sarmiento, Arianna Pacchiarotti, Ettore De Berardinis, Paul E Perito
BACKGROUND: Unidentified distal crossovers, delayed distal crossovers, and impending lateral extrusion are complications of penile prosthesis implant insertion but are not as common as prosthesis infection or mechanical failure. AIM: To evaluate results of a surgical technique, the distal corporal anchoring stitch, that addresses fixation of the penile prosthesis in patients with these complications. METHODS: A lateral sub-coronal incision is used on the side where the crossover or laterally extruding cylinder should be positioned...
June 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28579692/targeted-muscle-reinnervation-for-the-upper-and-lower-extremity
#12
Todd A Kuiken, Ann K Barlow, Levi Hargrove, Gregorgy A Dumanian
Myoelectric devices are controlled by electromyographic signals generated by contraction of residual muscles, which thus serve as biological amplifiers of neural control signals. Although nerves severed by amputation continue to carry motor control information intended for the missing limb, loss of muscle effectors due to amputation prevents access to this important control information. Targeted Muscle Reinnervation (TMR) was developed as a novel strategy to improve control of myoelectric upper limb prostheses...
June 2017: Techniques in Orthopaedics: TIO
https://www.readbyqxmd.com/read/28578793/medium-to-long-term-results-of-130-ankle-evolutive-system-total-ankle-replacements-inferior-survival-due-to-peri-implant-osteolysis
#13
Helka Koivu, Ia Kohonen, Kimmo Mattila, Eliisa Loyttyniemi, Hannu Tiusanen
BACKGROUND: The study reports the medium to long-term results of 130 Ankle Evolutive System total ankle replacements operated at a single-centre. Previously high amount of peri-implant osteolysis was reported from the same material. METHODS: Between 2002 and 2008 one hundred and thirty consecutive ankles replaced with AES ankle prosthesis were followed both radiologically and clinically. RESULTS: The five-year survival was 87.3% (95% confidence interval (CI) 80...
June 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28574950/prepectoral-breast-reconstruction-a-safe-alternative-to-submuscular-prosthetic-reconstruction-following-nipple-sparing-mastectomy
#14
Hani Sbitany, Merisa Piper, Rachel Lentz
BACKGROUND: Nipple sparing mastectomy (NSM) with immediate prosthetic reconstruction is routinely performed due to excellent aesthetic results, and safe oncologic outcomes. Typically, subpectoral expanders are placed, but in select patients, this can lead to significant postoperative pain and animation deformity, due to pectoralis major muscle disinsertion and stretch. Prepectoral reconstruction is a technique that eliminates dissection of the pectoralis major, by placing the prosthesis completely above the muscle with complete acellular dermal matrix (ADM) coverage...
May 31, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28574117/combined-anteversion-technique-in-total-hip-arthroplasty-for-crowe-iv-developmental-dysplasia-of-the-hip
#15
Biao Zhu, Changzheng Su, Yeteng He, Xingyu Chai, Zhen Li, Zhenyang Hou, Tengteng Lou, Xinfeng Yan
BACKGROUND: A high rate of postoperative dislocation in total hip arthroplasty (THA) for Crowe IV developmental dysplasia of the hip (DDH) has been reported, 1 of the main reasons being higher true acetabular anteversion. If the cup is fixed with normal anteversion, the anterior rim will be excessively exposed, which reduces the contact areas of the cup and bone, affects prosthesis stability, and leads to iliopsoas tendinitis and persistent hip pain after THA. The aim of this study was to demonstrate that when cup anteversion is larger, adjusting femoral anteversion to bring the combined anteversion (CA) into the "safe zone" might prevent dislocation...
May 27, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28557395/-analysis-of-the-clinical-efficacy-of-fasetoplasty-method-for-the-treatment-of-facet-syndrome-at-lumbar-spine-in-patients-with-middle-and-old-age-group
#16
V A Byvaltsev, A A Kalinin, A K Okoneshnikova
The aim of the study was to analyze results of using of fasetoplasty method in the treatment of facet-syndrome at lumbar spine in patients with middle and old age groups. The study included 227 patients older than 65 years with degenerative-dystrophic diseases of the lumbosacral spine and the clinical manifestations in the form of a facet syndrome, which in the period from 2010 to 2013 years made fasetoplasty prosthesis of synovial fluid. To assess the clinical effectiveness of using a visual analogue scale of pain (VAS) and a questionnaire for patients with back problems in Oswestry...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28553149/a-multicenter-prospective-study-of-patients-undergoing-open-ventral-hernia-repair-with-intraperitoneal-positioning-using-the-monofilament-polyester-composite-ventral-patch-interim-results-of-the-panacea-study
#17
Frederik Berrevoet, Carl Doerhoff, Filip Muysoms, Steven Hopson, Marco Gallinella Muzi, Simon Nienhuijs, Eric Kullman, Tim Tollens, Mark R Schwartz, Karl LeBlanc, Vic Velanovich, Lars Nannestad Jørgensen
PURPOSE: This study assessed the recurrence rate and other safety and efficacy parameters following ventral hernia repair with a polyester composite prosthesis (Parietex™ Composite Ventral Patch [PCO-VP]). PATIENTS AND METHODS: A single-arm, multicenter prospective study of 126 patients undergoing open ventral hernia repair with the PCO-VP was performed. Patient outcomes were assessed at discharge and at 10 days, 1, 6, 12, and 24 months postoperative. RESULTS: All patients had hernioplasty for umbilical (n = 110, 87...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28550589/carbon-dioxide-co2-angiography-as-an-option-for-endovascular-abdominal-aortic-aneurysm-repair-evar-in-patients-with-chronic-kidney-disease-ckd
#18
Chiara De Angelis, Francesco Sardanelli, Matteo Perego, Marco Alì, Francesco Casilli, Luigi Inglese, Giovanni Mauri
To assess feasibility, efficacy and safety of carbon dioxide (CO2) digital subtraction angiography (DSA) to guide endovascular aneurysm repair (EVAR) in a cohort of patients with chronic kidney disease (CKD). After Ethical Committee approval, the records of 13 patients (all male, mean age 74.6 ± 8.0 years) with CKD, who underwent EVAR to exclude an abdominal aortic aneurysm (AAA) under CO2 angiography guidance, were reviewed. The AAA to be excluded had a mean diameter of 52.0 ± 8.0 mm. CO2 angiography was performed by automatic (n = 7) or hand (n = 6) injection...
May 27, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28549892/radial-head-arthroplasty-in-the-active-duty-military-service-member-with-minimum-2-year-follow-up
#19
John C Dunn, Nicholas A Kusnezov, Logan R Koehler, Emmanuel D Eisenstein, Kelly G Kilcoyne, Justin D Orr, Justin S Mitchell
PURPOSE: Radial head arthroplasty (RHA) is a viable treatment for complex radial head fracture. Whereas elbow stability and function is typically restored at short- to mid-term follow-up, the outcome in higher-demand populations is not well defined. We sought to characterize the functional and occupational outcomes following RHA in an active duty military population with intense upper extremity demands. METHODS: We retrospectively reviewed the records of all U.S...
May 24, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28545958/efficacy-of-postoperative-radiation-treatment-for-bone-metastases-in-the-extremities
#20
Leah Drost, Vithusha Ganesh, Bo Angela Wan, Srinivas Raman, Stephanie Chan, Monique Christakis, May Tsao, Elizabeth Barnes, Michael Ford, Joel Finkelstein, Albert Yee, Angela Turner, Henry Lam, Edward Chow
BACKGROUND AND PURPOSE: Impending or pathological fractures due to bone metastases may require surgical fixation. Postoperative radiation is often recommended to reduce local progression and prevent prosthesis displacement, hence reducing the need for second surgery. The objectives of this study were to investigate the need for second surgery, and to report on rates of re-irradiation, tumor progression and prosthesis displacement following postoperative radiation. MATERIALS AND METHODS: Data were collected from 65 patients who received postoperative radiation to 74 sites in the extremities in a palliative radiation clinic between January 2009 and January 2017...
May 22, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
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