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

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https://www.readbyqxmd.com/read/27890438/short-term-clinical-results-of-frozen-shoulder-treated-with-shoulder-manipulation-under-ultrasound-guided-cervical-nerve-root-block-at-outpatient-setting-a-case-series
#1
Tomohiro Saito, Hideyuki Sasanuma, Yuki Iijima, Yuji Kanaya, Toshihiro Saito, Hideaki Watanabe, Ichiro Kikkawa, Katsushi Takeshita
BACKGROUND: We evaluated the short-term clinical outcomes of frozen shoulder treatment via shoulder manipulation under ultrasound-guided cervical nerve root block (MUC). METHODS: This study included frozen shoulder patients who were unresponsive to conservative therapy for at least 6 months and were then treated with MUC. Patients with a rotator cuff tear, calcifying tendinitis, osteoarthritis, or any other shoulder disorder were excluded following X-ray, ultrasound, and magnetic resonance imaging evaluation...
November 25, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27890439/a-japanese-nationwide-multicenter-survey-on-perioperative-complications-of-corrective-fusion-for-elderly-patients-with-adult-spinal-deformity
#2
Yu Yamato, Yukihiro Matsuyama, Kazuhiro Hasegawa, Yoichi Aota, Tsutomu Akazawa, Takahiro Iida, Kazumasa Ueyama, Koki Uno, Tokumi Kanemura, Noriaki Kawakami, Toshiaki Kotani, Masashi Takaso, Jun Takahashi, Masato Tanaka, Hiroshi Taneichi, Taichi Tsuji, Hideo Hosoe, Joji Mochida, Takachika Shimizu, Ikuho Yonezawa, Kota Watanabe, Morio Matsumoto
BACKGROUND: Recently, corrective fusion surgery for patients with adult spinal deformity (ASD) has become common in Japan. This study aimed to clarify the status of surgeries for ASD in Japan, focusing on perioperative complications. A nationwide multicenter survey gathering information on surgically treated ASD patients was conducted by the committee for Adult Spinal Deformity of the Japanese Scoliosis Society. METHODS: This study was a review of retrospectively collected data from 18 spine scoliosis centers belonging to the Japanese Scoliosis Society...
November 24, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27889106/expression-of-the-jak-stat-signaling-pathway-in-the-ligamentum-flavum-of-patients-with-lumbar-spinal-canal-stenosis
#3
Hitoshi Yamahata, Koji Osuka, Tatsuro Aoyama, Muneyoshi Yasuda, Hiroshi Tokimura, Kazunori Arita, Masakazu Takayasu
BACKGROUND: Ligamentum flavum (LF) hypertrophy is an important cause of lumbar spinal canal stenosis (LSS), one of the most common spinal disorders in the elderly. Although many cytokines are reported to be associated with LF hypertrophy, the intracellular signaling system is rarely discussed. The purpose of this study was to identify the JAK/STAT signaling pathway and to examine the role of the JAK/STAT systems in the hypertrophied LF. METHODS: The LF of 10 LSS patients was analyzed and the expression of JAK1, STAT3, phosphorylated (p)-STAT3, and actin was examined by Western blot analysis...
November 23, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27884501/influence-of-living-environment-and-subjective-economic-hardship-on-new-onset-of-low-back-pain-for-survivors-of-the-great-east-japan-earthquake
#4
Yutaka Yabe, Yoshihiro Hagiwara, Takuya Sekiguchi, Yumi Sugawara, Mari Sato, Kenji Kanazawa, Masashi Koide, Nobuyuki Itaya, Masahiro Tsuchiya, Ichiro Tsuji, Eiji Itoi
BACKGROUND: The Great East Japan Earthquake and subsequent tsunami devastated the northeastern part of Japan. Low back pain is thought to increase after a natural disaster and is related to various factors. The aim of this study was to examine the influencing factors of "Living environment" and "Subjective economic hardship" on new-onset of low back pain in the chronic phase for the survivors of the earthquake evaluated by a self-report questionnaire. METHODS: A panel study was conducted with the Great East Japan Earthquake survivors at 2 and 3 years after the disaster...
November 21, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27876498/associated-lateral-medial-knee-instability-and-its-relevant-factors-in-anterior-cruciate-ligament-injured-knees
#5
Arata Yuuki, Takeshi Muneta, Toshiyuki Ohara, Ichiro Sekiya, Hideyuki Koga
BACKGROUND: Associations of lateral/medial knee instability with anterior cruciate ligament (ACL) injury have not been thoroughly investigated. The purposes of this study were to investigate whether lateral/medial knee instability is associated with ACL injury, and to clarify relevant factors for lateral/medial knee instability in ACL-injured knees. METHODS: One hundred and nineteen patients with unilateral ACL-injured knees were included. Lateral/medial knee instability was assessed with varus/valgus stress X-ray examination for both injured and uninjured knees by measuring varus/valgus angle, lateral/medial joint opening, and lateral/medial joint opening index...
November 19, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27876193/effect-of-adenovirus-mediated-tgf-%C3%AE-1-gene-transfer-on-the-function-of-rabbit-articular-chondrocytes
#6
Yuan Tang, Jun Xiao, Yeyang Wang, Ming Li, Zhanjun Shi
BACKGROUND: Articular chondrocytes are important in maintaining normal cartilage tissue and preventing articular degeneration. Exogenous genes have previously been transduced into articular cells using adenoviral vectors to contribute to the maintenance of cell function. This study aimed to transfer the transforming growth factor-β1 gene (TGF-β1) into rabbit articular chondrocytes by adenovirus infection to elucidate its effects on cell function. METHODS: Rabbit chondrocytes were isolated and cultured both as monolayers and three-dimensional culture systems...
November 18, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27863888/lipoma-arborescens-in-bilateral-knee-joints-accompany-gouty-tophi-a%C3%A2-case-based-review-of-the-literature
#7
Seiju Hayashi, Nobuo Adachi, Yasunari Ikuta, Ryo Shimizu, Tomoyuki Nakasa, Masakazu Ishikawa, Atsuo Nakamae, Masataka Deie, Mitsuo Ochi
No abstract text is available yet for this article.
November 15, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27863887/comfort-and-acceptability-of-various-immobilization-positions-using-a-shoulder-external-rotation-and-abduction-brace
#8
Taku Hatta, Nobuyuki Yamamoto, Hirotaka Sano, Eiji Itoi
BACKGROUND: Immobilization with shoulder braces is used for conservative treatment of an initial shoulder dislocation. Various arm positions have been investigated to determine optimal position in terms of the anatomical reduction of the Bankart lesion. Recently, the effect of immobilization in shoulder abduction as well as in external rotation has been reported. However, there are few studies assessing subjects' acceptability of the brace in various arm positions. We hypothesized that a certain arm position regarding abduction or external rotation for immobilization would induce significant discomfort during activities of daily living...
November 15, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27847134/statistics-of-bone-sarcoma-in-japan-report-from-the-bone-and-soft-tissue-tumor-registry-in-japan
#9
Koichi Ogura, Takahiro Higashi, Akira Kawai
BACKGROUND: No previous reports to date have characterized the national profiles of bone sarcoma overall. In the present study, we aimed to describe the nationwide statistics of bone sarcoma in Japan by analyzing data from the Bone and Soft Tissue Tumor (BSTT) Registry in Japan, which is a nationwide organ-specific cancer registry for bone and soft tissue tumor. METHODS: We identified 2773 patients with bone sarcomas using the BSTT Registry during 2006-2012. We extracted the data regarding patient demographics, treatment, and prognosis at the last follow-up for each patient...
November 12, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27847133/c1-lateral-mass-screw-insertion-caudally-from-c2-nerve-root-an-alternate-method-for-insertion-of-c1-screws-a-technical-note-and-preliminary-clinical-results
#10
Keiji Wada, Ryo Tamaki, Mitsuru Yui, Daisuke Numaguchi, Yasuaki Murata
BACKGROUND: C1 lateral mass screw was widely used for fixation of the upper cervical spine. However, massive bleeding from the C1-2 venous plexus is sometimes encountered. In this study, we proposed an alternate method for C1 lateral mass screw insertion, which involves insertion of the screws caudally from the C2 nerve root to reduce bleeding from C1-2 venous plexus. METHODS: Seven patients with atlantoaxial lesions were included in this study. The mean age at surgery was 65...
November 12, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27839912/computed-tomography-guided-percutaneous-cryoablation-for-recurrent-sacral-chordoma-following-carbon-ion-radiotherapy-a-case-report
#11
Naoto Inaba, Robert Nakayama, Tomoaki Mori, Seiichi Hosaka, Michiro Susa, Hiroo Yabe, Masanori Inoue, Seishi Nakatsuka, Masaya Nakamura, Morio Matsumoto, Yoshiaki Toyama, Hideo Morioka
No abstract text is available yet for this article.
November 10, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27823848/association-of-clinical-and-radiographic-signs-of-femoroacetabular-impingement-in-the-general-population
#12
Ryota Yamauchi, Ryo Inoue, Daisuke Chiba, Yuji Yamamoto, Yoshifumi Harada, Ippei Takahashi, Shigeyuki Nakaji, Yasuyuki Ishibashi
BACKGROUND: The relationships between the clinical and radiographic signs of femoroacetabular impingement (FAI) are unknown. The purpose of this study was to assess the relationship between hip pain, a positive anterior impingement sign (AIS), and radiographic signs of FAI in a general Japanese population. METHODS: A total of 616 individuals participated in this study. Hip pain was assessed using the Japanese Orthopaedic Association Hip-Disease Evaluation Questionnaire (JHEQ) pain category score and the AIS was used as a provocation test...
November 4, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27823847/accuracy-of-mri-based-vs-ct-based-patient-specific-instrumentation-in-total-knee-arthroplasty-a-meta-analysis
#13
Vincent V G An, Brahman S Sivakumar, Kevin Phan, Yadin David Levy, Warwick J M Bruce
INTRODUCTION: The technical objective of total knee arthroplasty (TKA) is to restore normal mechanical parameters to the knee. Patient-specific instrumentation (PSI) was developed to streamline the operative process and improve accuracy. PSI produces individualized cutting guides based on three-dimensional models of the patient's anatomy acquired from computed-tomography (CT) or magnetic-resonance imaging (MRI). However, the superiority of one modality over the other remains unclear. Therefore, we aimed to compare the accuracy of patient-specific cutting guides produced from MRI or CT imaging methods in TKA...
November 4, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27793440/the-japanese-orthopedic-association-back-pain-evaluation-questionnaire-joabpeq-a-validation-of-the-reliability-of-the%C3%A2-thai%C3%A2-version
#14
Thanate Poosiripinyo, Permsak Paholpak, Kitti Jirarattanaphochai, Weerachai Kosuwon, Winai Sirichativapee, Taweechok Wisanuyotin, Pat Laupattarakasem, Kamolsak Sukhonthamarn, Polasak Jeeravipoolvarn, Toshihiko Sakakibara, Yuichi Kasai
BACKGROUND: The Japanese Orthopedic Association Back Pain Evaluation Questionnaire (JOABPEQ) was developed by the Japanese Orthopedic Association (JOA) for assessment of lower back pain and lumbar spinal disease. We aimed to translate the JOABPEQ into Thai and test its reliability and validity in the Thai context. METHODS: The original JOABPEQ was translated into Thai in accordance with international recommendations. Then 180 lumbar spinal disease patients (mean age 58...
October 25, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27793439/thoracic-spinal-cord-injury-without-major-bone-injury-associated-with-ossification-of-the-ligamentum-flavum
#15
Masaaki Machino, Shiro Imagama, Keigo Ito, Kei Ando, Kazuyoshi Kobayashi, Fumihiko Kato, Yoshihiro Nishida, Naoki Ishiguro
No abstract text is available yet for this article.
October 25, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27789206/modular-stem-fracture-at-stem-sleeve-junction-after-primary-total-hip-arthroplasty
#16
Junya Yoshitani, Takuya Nakamura, Yoshinobu Maruhashi, Takeshi Sasagawa, Kenichi Ueshima, Kiyonobu Funaki
No abstract text is available yet for this article.
October 25, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27773495/atypical-vertebral-column-fracture-at-the-middle-of-fused-area-after-instrumented-posterior-decompression-and-fusion-surgery-for-beak-type-thoracic-ossification-of-the-posterior-longitudinal-ligament
#17
Shiro Imagama, Kei Ando, Kazuyoshi Kobayashi, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Yoshimoto Ishikawa, Akiyuki Matsumoto, Yoshihiro Nishida, Naoki Ishiguro
No abstract text is available yet for this article.
October 20, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27769600/lesser-tuberosity-cysts-and-their-relationship-with-subscapularis-tears-and-subcoracoid-impingement
#18
Mehmet Cetinkaya, Ali Yusuf Öner, Muhammet Baybars Ataoglu, Mustafa Ozer, Tacettin Ayanoglu, Ulunay Kanatli
BACKGROUND: We aimed to evaluate cysts in the lesser tuberosity of humeral head seen on magnetic resonance imaging (MRI) and their relationship with subcoracoid impingement and subscapularis tears evident on arthroscopic surgery videos. Our hypothesis was that the cysts would be more frequent with subscapularis tears and in the case of subcoracoid impingement. METHODS: Patients who underwent shoulder arthroscopy between January 2010 and January 2016 were retrieved to evaluate subscapularis tears on surgery videos and lesser tuberosity cysts (LTC), coracohumeral distances (CHD) on both sagittal oblique and transverse sections of MRI retrospectively...
October 18, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27769599/traumatic-intratumoral-hemorrhage-of-schwannoma-of-the-cauda-equina-a-report-of-two-cases
#19
Ryota Kimura, Naohisa Miyakoshi, Tetsuya Suzuki, Tadato Kido, Mitsuho Chiba, Takashi Kobayashi, Yoichi Shimada
No abstract text is available yet for this article.
October 18, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27743633/cross-cultural-adaptation-and-validation-of-the-japanese-version-of-the-toronto-extremity-salvage-score-tess-for-patients-with-malignant-musculoskeletal-tumors-in-the-upper-extremities
#20
Toru Akiyama, Kosuke Uehara, Koichi Ogura, Yusuke Shinoda, Shintaro Iwata, Kazuo Saita, Yoshikazu Tanzawa, Fumihiko Nakatani, Tsukasa Yonemoto, Hirotaka Kawano, Aileen M Davis, Akira Kawai
BACKGROUND: The Toronto Extremity Salvage Score (TESS) is a widely used disease-specific patient-completed questionnaire for the assessment of physical function in patients with musculoskeletal tumors; however, there had not been the validated Japanese version of the TESS. The aim of this study was to validate the Japanese version of the TESS in patients with musculoskeletal tumors in the upper extremity. METHODS: After developing a Japanese version of the TESS, the questionnaire was administered to 53 patients to examine its reliability and validity in comparison with the Musculoskeletal Tumor Society (MSTS) scoring system and Short Form-36 (SF-36)...
October 12, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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