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https://www.readbyqxmd.com/read/29791703/biological-intercalary-reconstruction-with-bone-grafts-after-joint-sparing-resection-of-the-lower-limb-is-this-an-effective-and-durable-solution-for-joint-preservation
#1
Francesco Muratori, Francesca Totti, Antonio D'Arienzo, Maurizio Scorianz, Guido Scoccianti, Giovanni Beltrami, Francesco Rosario Campo, Carmine Citarelli, Rodolfo Capanna, Domenico Andrea Campanacci
Due to advances in neoadjuvant therapies and preoperative imaging modalities, joint-sparing resections have become appealing in bone tumor surgery. However, the intercalary reconstruction of metadiaphyseal bone defects of the femur and the tibia after juxta-articular tumor resection remains challenging. Both biological and prosthetic reconstructions have been used for joint-sparing resections, but little is known about the long-term outcome of these procedures. The authors reviewed a consecutive series of 64 patients treated with joint-sparing intercalary resection and reconstruction with bone grafts...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791702/all-inside-technique-for-acl-reconstruction-using-a-flipcutter%C3%A2-and-the-tightrope%C3%A2-system
#2
Nicos Papaloucas
There have been many innovations in the field of ACL-reconstruction over the years, including the FlipCutter® and TightRope® system (both from Arthrex Inc.). The FlipCutter® is a combined guide pin and reamer that allows minimally invasive socket-creation from the inside out, especially in difficult-to-reach areas. The TightRope® is a further development of the well-known Endobutton™ (Smith & Nephew plc) that consists of a four-point knotless locking system. Its main advantage is its adjustability, which makes it possible to fill the entire bone socket with the graft without any empty space...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791694/filling-open-screw-holes-in-the-area-of-metaphyseal-comminution-does-not-affect-fatigue-life-of-the-synthes-variable-angle-distal-femoral-locking-plate-in-the-ao-ota-33-a3-fracture-model
#3
Luis Grau, Kevin Collon, Ali Alhandi, David Kaimrajh, Maria Varon, Loren Latta, Fernando Vilella
INTRODUCTION: The aim of this study is to evaluate the biomechanical effect of filling locking variable angle (VA) screw holes at the area of metaphyseal fracture comminution in a Sawbones® (Sawbones USA, Vashon, Washington) model (AO/OTA 33A-3 fracture) using a Synthes VA locking compression plate (LCP) (Depuy Synthes, Warsaw, Indiana). MATERIALS AND METHODS: Seven Sawbones® femur models had a Synthes VA-LCP placed as indicated by the manufacturers technique...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791653/waist-circumference-is-an-effect-modifier-of-the-association-between-bone-mineral-density-and-glucose-metabolism
#4
Lygia N Barroso, Dayana R Farias, Marcia Soares-Mota, Heloisa Bettiol, Marco Antônio Barbieri, Milton Cesar Foss, Antônio Augusto M da Silva, Gilberto Kac
OBJECTIVE: The role of bone markers on insulin resistance (IR) remains controversial. The objective of this study is to evaluate the association between bone mineral density (BMD) and glucose metabolism and investigate if visceral hyperadiposity, evaluated by waist circumference (WC), is an effect modifier of this association. SUBJECTS AND METHODS: Cross-sectional analysis with 468 young adults from the fourth follow-up of the 1978/79 Ribeirão Preto prospective birth cohort, Brazil...
May 17, 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29790378/effect-of-hwnt10b-transgene-overexpression-on-peri-implant-osteogenesis-in-ovariectomized-rats
#5
Hanghang Liu, Nian Zhang, Yao Liu, Li Liu, Guozhu Yin, En Luo
Purpose This study aims to investigate the efficacy of human Wnt10b (hWnt10b) transgene in accelerating osseointegration around titanium implant in ovariectomized (OVX) rats, and to provide a new strategy for implant treatment of osteoporotic patients. Methods In vivo, osteoporosis rat model was constructed by bilateral ovariectomy and the expression change of Wnt pathway related genes was investigated. Then Ad-hWnt10b was locally administered to the femur defect prior to implant placement in OVX rats, surrounding femur tissues were collected 1 and 3 weeks respectively after implantation for imaging, biomechanical test, molecular and histological analysis...
May 23, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29790021/the-effect-of-cholecystectomy-on-25-hydroxyvitamin-d-levels-and-bone-mineral-density-in-postmenopausal-women
#6
Hatice Beyazal Polat, Munevver Serdaroglu Beyazal
Vitamin D deficiency has been reported in patients with gastrointestinal disorders. Little is known on the potentially deleterious effect of cholecystectomy on vitamin D levels and osteoporosis. We found that 25-hydroxyvitamin D levels and bone mineral density were lower in patients with prior cholecystectomy. PURPOSE: The influence of bile salts on vitamin D absorption is well-known, and increased incidence of vitamin D deficiency has been reported in patients with gastrointestinal disorders...
May 22, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29789689/postmenopausal-osteoporosis-is-associated-with-elevated-aldosterone-renin-ratio
#7
Xiaoyu Shu, Mei Mei, Linqiang Ma, Zhihong Wang, Shumin Yang, Jinbo Hu, Ying Song, Wenwen He, Ting Luo, Qingfeng Cheng, Yue Wang, Qianna Zhen, Qifu Li
Plasma aldosterone/renin ratio (ARR) is a useful method for primary aldosteronism (PA) screening. However some confounders, such as medications and dietary, affect plasma renin and aldosterone levels, resulting in false-negative or -positive plasma ARR. This study investigated the association between postmenopausal osteoporosis (PMO) and plasma ARR. Bone mineral density (BMD) was measured by dual-energy X-ray-absorptiometry (DXA) in 324 normotensive postmenopausal women. Based on clinical characteristics and BMD, 186 and 96 subjects were diagnosed as PMO and osteopenia respectively, and the remaining 42 subjects were grouped as normal BMD...
May 22, 2018: Journal of Human Hypertension
https://www.readbyqxmd.com/read/29789250/sectioning-of-the-anterior-intermeniscal-ligament-changes-knee-loading-mechanics
#8
Matthieu Ollivier, Julie Falguières, Martine Pithioux, Philippe Boisrenoult, Phillippe Beaufils, Nicolas Pujol
PURPOSE: The purpose of this cadaver research project was to describe the biomechanical consequences of anterior intermeniscal ligament (AIML) resection on menisci function under load conditions in full extension and 60° of flexion. METHODS: Ten unpaired fresh frozen cadaveric knees were dissected leaving the knee joint intact with its capsular and ligamentous attachments. The femur and tibia were sectioned 15 cm from the joint line and mounted onto the loading platform...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789225/grafting-for-bone-defects-after-curettage-of-benign-bone-tumor-analysis-of-factors-influencing-the-bone-healing
#9
Po-Kuei Wu, Cheng-Fong Chen, Chao-Ming Chen, Shang-Wen Tsai, Yu-Chi Cheng, Ming-Chau Chang, Wei-Ming Chen
BACKGROUND: Simple bone cyst often weaken bone properties and predispose to pathological fractures, requiring tumor excision and the filling of bone defects with grafts to prevent complications. The purpose of this study was to evaluate factors potentially affecting the quality and efficiency of graft healing. METHODS: This study retrospectively assessed 84 patients with simple bone cysts who had undergone tumor excision and filling of the bone defects with grafts between 2004 and 2014...
May 19, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29787853/false-aneurysm-of-the-popliteal-artery-complicated-by-a-deep-venous-thrombosis-revealing-an-exostosis-in-a-20-year-old-young-woman
#10
Tarik Bakkali, Mohamed Hormatallah, Ayoub Bounssir, Nabil Aghtoutane, Hamza Taous, Redouane Idrissi, Yasser Sefiani, Brahim Lekhel, Abbes Mesnaoui, Younes Bensaid
Exostoses or osteochondromas are benign osseous tumors that develop on the bone surface and can be sporadic or hereditary. Their evolution is generally benign but they may be complicated in some patients by conflicts with the surrounding nervous or vascular structures, in particular arteries. We report a case of false aneurysm of the popliteal artery secondary to an isolated exostosis of the left femur in a 20-year-old young woman. A delay in the diagnosis allowed the development of the false aneurysm which was at the origin of a major venous compression...
May 19, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29786824/intramedullary-nail-with-integrated-cephalocervical-screws-in-the-intertrochanteric-fractures-treatment-position-of-screws-in-fracture-stability
#11
Gökhan Kaynak, Mehmet Can Ünlü, Mehmet Fatih Güven, Ozan Ali Erdal, Okan Tok, Hüseyin Botanlıoğlu, Önder Aydıngöz
BACKGROUND: Stable fracture fixation is important in the treatment of intertrochanteric femur (ITF) fractures in the elderly population to prevent the loss of reduction, achieve early mobility, and restore independence. The aim of this study was to present the results of surgical treatment of stable and unstable ITF fractures using a trochanteric antegrade intramedullary nail with two cephalocervical screws in an integrated mechanism (Intertan®; Smith & Nephew, Memphis, TN) and evaluate the relationship between the loss of reduction and screw position in the femoral neck in two planes...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29785448/patella-alta-and-patellar-subluxation-might-lead-to-early-failure-with-inlay-patello-femoral-joint-arthroplasty
#12
J Beckmann, C Merz, J Huth, B Rath, C Schnurr, E Thienpont
PURPOSE: With the growing interest in resurfacing procedures, several new implants have been recently introduced for isolated patello-femoral joint arthroplasty (PFA). However, not much data are available for these new techniques or about the right indications for each type of implant. METHODS: Out of a retrospective cohort of 20 inlay PFA, 11 PFA with an elevated Insall-Salvati index and an increased patello-femoral congruence angle showed an initial satisfactory result, but presented thereafter with recurrent pain and "clunk" phenomena...
May 21, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29785392/periosteal-pseudotumor-in-complex-total-knee-arthroplasty-resembling-a-neoplastic-process
#13
Madhav Chowdhry, Matthew V Dipane, Edward J McPherson
This case report describes in detail an erosive distal diaphyseal pseudotumor that occurred 6 years after a complex endoprosthetic hinge total knee arthroplasty (TKA). A female patient had conversion of a knee fusion to an endoprosthetic hinge TKA at the age of 62. At her scheduled 6-year follow-up, she presented with mild distal thigh pain and radiographs showing a 6-7 cm erosive lytic diaphyseal lesion that looked very suspicious for a neoplastic process. An en bloc resection of the distal femur and femoral endoprosthesis was performed...
May 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29785116/myopathy-due-to-hmgcr-antibodies-in-adult-mimicking-muscular-dystrophy-associated-with-cancer-and-statin-exposure-narrative-review-of-the-literature-case-report
#14
Alzira Alves de Siqueira Carvalho, Vinicius Gomes da Silva, Edmar Zanoteli, David Feder
Necrotizing autoimmune myopathy is characterized by predominant muscle fiber necrosis and regeneration with little or no inflammation. We describe a 58-year-old woman with previous breast cancer and statin use who complained of rapidly progressive weakness of lower limbs without pain, making walking, running and climbing stairs difficult. The creatine kinase level was 2,843 U/L, and muscle biopsy showed a dystrophic pattern. The genetic test for muscular dystrophies was negative and for anti-3-hydroxy-3-methylglutaryl coenzyme A reductase was positive...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29784501/consequences-of-quality-of-reduction-on-osteosynthesis-complications-and-quality-of-life-in-elderly-patients-with-subtrochanteric-fracture
#15
P Codesido-Vilar, A Mejía-Casado, J Riego-Fernández, N Rodriguez-Casas, S García-Cabanas, J Rivas-Felice, L García-Quevedo
OBJECTIVE: To compare results in terms of orthopaedic complications and quality of life in elderly patients with subtrochanteric fracture treated with intramedullary nailing according to fracture reduction status. PATIENTS AND METHODS: A prospective cohort study including 90 elderly patients with subtrochanteric fractures of the femur treated with a cephalomedullary nail, with a minimum 1-year follow up. The inclusion criteria were: aged 60 years or older, without severe cognitive dysfunction and independent ambulatory capability before the fracture...
May 18, 2018: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29783889/the-external-obturator-footprint-as-a-landmark-in-total-hip-arthroplasty-through-a-direct-anterior-approach-a-ct-based-analysis
#16
Hannes A Rüdiger, Benjamin Fritz, Franco M Impellizzeri, Michael Leunig, Christian W Pfirrmann, Reto Sutter
BACKGROUND: Anatomical landmarks for templating of total hip arthroplasty (THA) that are visible both during surgery and on radiographs are rare. If surgery is performed through a direct anterior approach the external obturator tendon (EO) is consistently visible. To use this point as a reference the exact position and dimensions of the footprint need to be known. AIM: To determine the location and dimension of the EO footprint on pelvic radiographs by correlating the EO anatomy in CT scans with conventional radiographs...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29783868/low-bone-mineral-density-in-ambulatory-persons-with-cerebral-palsy-a-systematic-review
#17
Cindy T R Mus-Peters, Bionka M A Huisstede, Suzie Noten, Minou W M G C Hitters, Wilma M A van der Slot, Rita J G van den Berg-Emons
PURPOSE: Non-ambulatory persons with cerebral palsy are prone to low bone mineral density. In ambulatory persons with cerebral palsy, bone mineral density deficits are expected to be small or absent, but a consensus conclusion is lacking. In this systematic review bone mineral density in ambulatory persons with cerebral palsy (Gross Motor Function Classification Scales I-III) was studied. MATERIALS AND METHODS: Medline, Embase, and Web of Science were searched. According to international guidelines, low bone mineral density was defined as Z-score ≤ -2...
May 22, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29783121/the-influence-of-nail-blocking-conditions-in-cattle-femoral-fractures
#18
Leopoldo A Paolucci, Estevam B Las Casas, Rafael R Faleiros, Cahuê F R Paz, Sergio S Rocha Junior
BACKGROUND: To investigate the effect of different fixation strategies of the intramedullary interlocking nail (IIN) on the mechanical behavior of a polymeric implant applied for femoral fracture fixation in calves, and to evaluate the performance of a glass fiber-reinforced polymer applied in a bovine femoral fracture reduction system, five Holstein male animals with a mean weight (±SD) of 62.8 ± 20.4 kg and aged 74 ± 15 were used to generate biomechanical parameters for this study...
May 7, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29783019/total-flavonoid-extract-of-epimedium-herb-increases-the-peak-bone-mass-of-young-rats-involving-enhanced-activation-of-the-ac10-camp-pka-creb-pathway
#19
Hui-Rong Xi, Hui-Ping Ma, Fang-Fang Yang, Yu-Hai Gao, Jian Zhou, Yuan-Yuan Wang, Wen-Yuan Li, Cory J Xian, Ke-Ming Chen
ETHNOPHARMACOLOGICAL RELEVANCE: Epimedium sagittatum brevicornum Maxim. is an important traditional Chinese herb that has long been used to promote bone fracture healing and treat osteoporosis. AIM OF THE STUDY: Achieving peak bone mass by adolescence has now been accepted to be fundamental for preventing osteoporosis in adulthood life. This study investigated the possibility of increasing peak bone mass in young rats using the total flavonoid extract of Epimedium herb (TFE)...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29782460/interventions-for-treating-fractures-of-the-distal-femur-in-adults
#20
Amy Drahota, Yvette Revell-Smith
No abstract text is available yet for this article.
May 2018: Orthopaedic Nursing
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