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Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association

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https://www.readbyqxmd.com/read/28343749/manual-calf-massage-and-passive-ankle-motion-reduce-the-incidence-of-deep-vein-thromboembolism-after-total-hip-arthroplasty
#1
Norio Imai, Tomoyuki Ito, Ken Suda, Dai Miyasaka, Naoto Endo
BACKGROUND: Venous thromboembolism is one of the general complications following total hip arthroplasty, wherein various preventive treatments have been recommended. Several studies reported that venous thromboembolism incidence after total hip arthroplasty was similar in patients who were administered prophylaxis with a conventional mechanical procedure alone, and those who were administered pharmacological anticoagulation therapy. Therefore, the optimum methods of prophylaxis are still controversial...
March 24, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28342696/measurement-of-change-on-medial-and-lateral-joint-gaps-by-navigation-system-in-multi-radius-ps-tka
#2
Yeesuk Kim, Jin Kyu Lee, Kyu-Sung Chung, Doo-Yeon Lee, Choong Hyeok Choi
BACKGROUND: The purpose of this study was to evaluate the joint gap kinematics in posterior-stabilized total knee arthroplasty (PS TKA). METHODS: Between January 2010 and April 2011, 44 consecutive patients (55 knees) who underwent primary PS TKA using the navigation system were assessed. There were 37 women and 7 men with a mean age at operation of 63 years (range; 58-73 years). After fixation of all components with cement and insertion of polyethylene trial insert, medial and lateral joint gap measurements were carried out without distraction force and separately using a navigation system on each flexion angles...
March 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28342695/in%C3%A2-vivo-serum-concentration-of-vancomycin-in-antibiotic-loaded-acrylic-cement-for-the-treatment-and-prevention-of-periprosthetic-hip-infection
#3
Kenichi Oe, Hirokazu Iida, Narumi Ueda, Tomohisa Nakamura, Naofumi Okamoto, Yusuke Ueda
BACKGROUND: Although antibiotic-loaded acrylic cement (ALAC) is used to prevent and treat periprosthetic hip infection, it is unknown how much antibiotic is deposited in the body in vivo, how high the serum concentration rises, or how long its effects last. The aim of this study was firstly to determine the amount of vancomycin (VCM) deposited as ALAC in the body, and secondly to assess the safety and drug elution profile of VCM in ALAC. METHODS: We administered VCM to prevent infection after total hip arthroplasty (THA) or to treat patients with methicillin-resistant Staphylococcus aureus...
March 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28341088/the-latest-treatment-strategy-for-the-rheumatoid-hand-deformity
#4
Hajime Ishikawa
With a remarkable improvement in the pharmacotherapy of rheumatoid arthritis (RA), severely handicapped patients are very rare to see. Healing, repair and drug-free, and toward radical cure are coming to be possible. In the clinical practice, more than 50% of the patients are in remission. However, some patients are still difficult to reach remission due to comorbidities and economic burden. In the patient with clinical remission, smoldering synovitis so called "silent destructor" is often detected by ultrasonograpy or by synovial histology in the small joints of the hand...
March 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28336192/radiological-morphology-variances-of-transient-osteoporosis-of-the-hip
#5
Ryosuke Yamaguchi, Takuaki Yamamoto, Goro Motomura, Satoshi Ikemura, Kenyu Iwasaki, Garida Zhao, Yukihide Iwamoto
BACKGROUND: Although several morphological abnormalities or variances of the hip joint have been proposed to be associated with hip joint degeneration, few studies have investigated any radiological features in patients with transient osteoporosis of the hip (TOH). The purpose of this study is to evaluate the morphological variances of the hip joint in TOH patients radiographically. METHODS: The TOH group consisted of 31 hips in 31 patients. Age- and gender-matched asymptomatic hips in patients with unilateral osteonecrosis of the femoral head were served as controls...
March 20, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28336191/implantation-of-the-anterior-atlantoaxial-lateral-mass-intervertebral-cage-using-the-transoral-approach
#6
Xianhua Huang, Qingshui Yin, Zhiyun Wang, Hong Xia
BACKGROUND: The purpose of this study was to evaluate the possibility of implanting the anterior atlantoaxial lateral mass intervertebral cage, a new type of fixation, by the transoral approach. METHOD: This study examined the possibility of implantation in vivo by the quantitative measurement on the dry atlantoaxial bone and implantation of the anterior atlantoaxial lateral mass intervertebral cage in specimens. Anterior atlantoaxial lateral mass intervertebral cages were implanted in 10 atlantoaxial joint specimens using the transoral approach...
March 20, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28336190/clinical-and-radiological-outcomes-of-midfoot-derotational-osteotomy-for-midfoot-forefoot-varus-deformity
#7
Hong-Geun Jung, Dong-Oh Lee, Sang-Hun Lee, Joon-Sang Eom
BACKGROUND: Moderate to severe midfoot-forefoot varus deformities are commonly found in several conditions. However, few techniques are available to correct these deformities. So, we evaluated the clinical and radiological outcomes of patients who underwent midfoot derotational osteotomy to achieve plantigrade foot. METHODS: From 2006 to 2014, 6 patients (7 feet) underwent midfoot derotational osteotomy. A visual analog scale (VAS) pain and the American Orthopedic Foot & Ankle Society (AOFAS) functional score were evaluated...
March 20, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28336189/3d-cad-reverse-engineering-technique-for-assessment-of-thai-morphology-proximal-femur-and-acetabulum
#8
Nattapon Chantarapanich, Sattaya Rojanasthien, Bancha Chernchujit, Banchong Mahaisavariya, Kavin Karunratanakul, Prasert Chalermkarnnon, Chinnawit Glunrawd, Kriskrai Sitthiseripratip
PURPOSE: To assess morphological parameters of proximal femur and acetabulum in Thai population with three-dimensional measurement technique, and to analysis of collateral side symmetric, gender difference, and correlation between morphometric parameters. METHODS: Investigation was performed in 240 femurs. All three-dimensional femur models were acquitted from 64-slice spiral CT scanner. Morphometric parameters under consideration included acetabular diameter, femoral head diameter, shaft isthmus location, intramedullary canal diameter, diaphyseal diameter, femoral head height, femoral neck isthmus, femoral neck length, neck shaft angle, bow angle, and anteversion angle...
March 20, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28330816/the-prospective-evaluation-of-changes-in-fatty-infiltration-and-shoulder-strength-in-nonsurgically-treated-rotator-cuff-tears
#9
Yoshihiro Nakamura, Shin Yokoya, Yohei Harada, Katsunori Shiraishi, Nobuo Adachi, Mitsuo Ochi
BACKGROUND: The purpose of this study was to evaluate the relationship of fatty infiltration in rotator cuff muscles and shoulder strength in rotator cuff tears and these changes during nonsurgical treatment. METHODS: Fifty-three shoulders from 47 patients (mean age: 69.9 years) diagnosed with rotator cuff tears by magnetic resonance imaging (MRI) were treated nonsurgically. The degrees of fatty infiltration in supraspinatus (SSP) and infraspinatus (ISP) muscles were graded by the modified Goutallier classification (grade 0-1, grade 2-3, or grade 4)...
March 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28325701/evaluation-of-flexor-pollicis-longus-tendon-attrition-using-color-doppler-imaging-after-volar-plate-fixation-for-distal-radius-fracture
#10
Yoshitaka Tanaka, Hiroyuki Gotani, Koichi Yano, Kosuke Sasaki, Yoshitaka Hamada
PURPOSE: Early diagnosis of attritional wear of the flexor pollicis longus (FPL) tendon is essential in preventing subsequent tendon rupture. There are currently few objective methods of assessing FPL attrition. We hypothesized that color Doppler imaging could visibly detect FPL tendon attrition, and analyzed our results. METHODS: We evaluated ultrasound imaging of the contact between the FPL tendon and a volar locking plate using the real-time B-mode and Doppler waveforms of the FPL tendon using the continuous Doppler wave mode in 40 patients who underwent fixation of the distal volar locking plate for distal radius fracture...
March 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28325700/the-relationship-between-preoperative-needle-electromyography-findings-and-muscle-power-restoration-after-surgery-in-severe-carpal-tunnel-syndrome-patients
#11
Yuki Hara, Yasumasa Nishiura, Naoyuki Ochiai, Shinji Murai, Masashi Yamazaki
PURPOSE: Needle electromyography provides essential information about the functional aspects of the muscle. But little attention has been given in the literature to needle electromyography examinations in carpal tunnel syndrome. We examined the relationship between preoperative needle electromyography findings and functional recovery of the abductor pollicis brevis (APB) muscle in severe carpal tunnel syndrome patients. METHODS: The subjects of this study were 49 patients, 58 hands, who fit the following 5 criteria: (1) idiopathic carpal tunnel syndrome; (2) pre-op MMT grade of the APB muscle was M0 or M1; (3) APB-CMAP (compound muscle action potential) was not evoked in a median nerve conduction study; (4) needle electromyography of the APB muscle had been done; (5) underwent carpal tunnel release only...
March 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28325699/spinal-correction-in-patients-with-fukuyama-congenital-muscular-dystrophy
#12
Wataru Saito, Takanori Namba, Gen Inoue, Takayuki Imura, Masayuki Miyagi, Toshiyuki Nakazawa, Eiki Shirasawa, Kentaro Uchida, Masashi Takaso
BACKGROUND: Fukuyama congenital muscular dystrophy (FCMD) is one of the most common congenital progressive muscular dystrophies in Japan. Some patients develop a severe spinal deformity that leads to an unstable sitting position or pain. Since 2008, we have treated FCMD using posterior spinal fusion. This study reports the short-term clinical and radiographic results of posterior spinal correction and fusion in FCMD. METHODS: We retrospectively reviewed 11 consecutive FCMD patients, average age 13 years old, treated with posterior spinal instrumentation and fusion between 2008 and 2015...
March 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28318650/the-distribution-of-vascular-endothelial-growth-factor-in-human-meniscus-and-a-meniscal-injury-model
#13
Zhichao Lu, Takayuki Furumatsu, Masataka Fujii, Ami Maehara, Toshifumi Ozaki
BACKGROUND: The meniscus plays an important role in controlling the complex biomechanics of the knee. Meniscus injury is common in the knee joint. The perimeniscal capillary plexus supplies the outer meniscus, whereas the inner meniscus is composed of avascular tissue. Angiogenesis factors, such as vascular endothelial growth factor (VEGF), have important roles in promoting vascularization of various tissues. VEGF-mediated neovascularization is beneficial to the healing of injured tissues...
March 15, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28284540/the-nature-of-osteoporotic-low-back-pain-without-acute-vertebral-fracture-a-prospective-multicenter-study-on-the-analgesic-effect-of-monthly-minodronic-acid-hydrate
#14
Kazuki Fujimoto, Kazuhide Inage, Sumihisa Orita, Masaomi Yamashita, Koki Abe, Masatsune Yamagata, Takeshi Sainoh, Tsutomu Akazawa, Tomoaki Kinoshita, Tetsuharu Nemoto, Jiro Hirayama, Yasuaki Murata, Toshiaki Kotani, Yasuchika Aoki, Yawara Eguchi, Takeshi Sakuma, Takahito Aihara, Tetsuhiro Ishikawa, Kaoru Suseki, Eiji Hanaoka, Kazuyo Yamauchi, Gou Kubota, Miyako Suzuki, Jun Sato, Yasuhiro Shiga, Hirohito Kanamoto, Masahiro Inoue, Hideyuki Kinoshita, Masao Koda, Takeo Furuya, Kazuhisa Takahashi, Seiji Ohtori
BACKGROUND: Patients with osteoporosis but no evidence of fracture can sometimes report low back pain. However, few studies have evaluated the nature of osteoporotic low back pain in a clinical situation. Therefore, the aim of this study was to examine the nature of osteoporotic low back pain without fracture, and the analgesic effect of minodronic acid hydrate on such pain. METHODS: The current study examined 136 patients with osteoporotic low back pain and no lower extremity symptoms...
March 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28274512/practical-use-and-utility-of-fluorescence-in-situ-hybridization-in-the-pathological-diagnosis-of-soft-tissue-and-bone-tumors
#15
Shintaro Sugita, Tadashi Hasegawa
During routine pathological examination, fluorescence in situ hybridization (FISH) plays a significant role in the genetic analysis of samples. FISH can detect genetic abnormalities such as chromosomal translocations, gene amplifications, and deletions in formalin-fixed, paraffin-embedded (FFPE) specimens. Due to its practical advantages, FISH is already used in many pathology laboratories. It is especially useful for the diagnosis of translocation-related sarcomas (TRSs), which comprise about 25% of soft tissue sarcomas...
March 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28274511/a-clinical-trial-for-kienb%C3%A3-ck-disease-by-cultured-autologous-multipotent-mesenchymal-stromal-cells-augmented-with-vascularized-bone-grafts-a-report-of-five-cases
#16
Ryosuke Ikeguchi, Tomoki Aoyama, Ryosuke Kakinoki, Michiko Ueda, Yasuaki Kasai, Taira Maekawa, Harue Tada, Michio Yamamoto, Shuichi Matsuda, Takashi Nakamura, Junya Toguchida
No abstract text is available yet for this article.
March 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28258808/alendronate-inhibits-hyperalgesia-and-suppresses-neuropeptide-markers-of-pain-in-a-mouse-model-of-osteoporosis
#17
Yohei Naito, Hiroki Wakabayashi, Sho Kato, Taro Nakagawa, Takahiro Iino, Akihiro Sudo
BACKGROUND: Chronic back pain is one of the most important complications of postmenopausal osteoporosis. The aim of this study was to evaluate skeletal pain associated with osteoporosis and to examine the inhibitory effect of bisphosphonates (BPs) on pain in ovariectomized (OVX) mice. The mechanism of osteoporotic pain in OVX mice was evaluated through an examination of pain-related behavior, as well as immunohistochemical findings. In addition, the effects of alendronate (ALN), a potent osteoclast inhibitor, on these parameters were assessed...
February 28, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28228325/prognostic-factors-associated-with-the-surgical-indication-for-lumbar-spinal-stenosis-patients-less-responsive-to-conservative-treatments-an-investigator-initiated-observational-cohort-study
#18
Masayoshi Fukushima, Hiroyuki Oka, Nobuhiro Hara, Yasushi Oshima, Hirotaka Chikuda, Sakae Tanaka, Katsushi Takeshita, Ko Matsudaira
BACKGROUND: A few cohort studies have determined which patients with lumbar spinal stenosis are likely to need surgery because of the deterioration of symptoms. However, there are still insufficient data regarding the management of lumbar spinal stenosis due to lack of prognostic factors associated with the need for surgery. The purpose of this study was to identify the prognostic factors associated with the need for surgical treatment in patients with lumbar spinal stenosis. METHODS: Patients with lumbar spinal stenosis from our hospital and related facilities were enrolled...
February 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28254157/generating-linear-regression-model-to-predict-motor-functions-by-use-of-laser-range-finder-during-tug
#19
Daiki Adachi, Shu Nishiguchi, Naoto Fukutani, Takayuki Hotta, Yuto Tashiro, Saori Morino, Hidehiko Shirooka, Yuma Nozaki, Hinako Hirata, Moe Yamaguchi, Ayanori Yorozu, Masaki Takahashi, Tomoki Aoyama
PURPOSE: The purpose of this study was to investigate which spatial and temporal parameters of the Timed Up and Go (TUG) test are associated with motor function in elderly individuals. METHODS: This study included 99 community-dwelling women aged 72.9 ± 6.3 years. Step length, step width, single support time, variability of the aforementioned parameters, gait velocity, cadence, reaction time from starting signal to first step, and minimum distance between the foot and a marker placed to 3 in front of the chair were measured using our analysis system...
February 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28254156/three-dimensional-computed-tomography-analysis-on-bony-birth-canal-after-bilateral-periacetabular-osteotomy
#20
Tetsuro Ishimatsu, Masatoshi Naito, Koichi Kinoshita, Satohiro Ishii, Takuaki Yamamoto
BACKGROUND: Curved periacetabular osteotomy (CPO) is one of the joint preserving procedures for developmental dysplasia of the hip. CPO requires osteotomy of the medial wall of the acetabulum, which may cause narrowing of the bony birth canal and this step may result in increased risk of cesarean delivery. We analyzed the narrowest part of the bony birth canal using three-dimensional computed tomography (3D-CT) before and after bilateral CPO. METHODS: Between February 2007 and March 2014, there were 29 cases of bilateral CPO in which both pre- and post-operative 3D-CT were available...
February 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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