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

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https://www.readbyqxmd.com/read/28647094/long-term-prognosis-of-hematogenous-vertebral-osteomyelitis-mortality-quality-of-life-and-pain
#1
Terufumi Kokabu, Masahiko Takahata, Nobuhisa Ishiguro, Norimasa Iwasaki
BACKGROUND: Hematogenous vertebral osteomyelitis (HVO) has a generally favorable prognosis if appropriate treatment is initiated in its early phase; however, some intractable cases with HVO can develop neurological impairment as well as spinal deformity during the course of treatment and these sequelae may lead to impaired quality of life (QOL). In this study, we aimed to evaluate the long-term relapse rate, mortality, and QOL of patients with HVO. METHODS: In this retrospective case series study, medical records of 60 patients with HVO with a mean follow-up period of 8 years (5-23 years) were reviewed to assess demographic data, details of infection, and clinical course...
June 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28641907/is-fusion-superior-to-non-fusion-for-the-treatment-of-thoracolumbar-burst-fracture-a-systematic-review-and-meta-analysis
#2
Tao Lan, Yang Chen, Shi-Yu Hu, Ao-Lin Li, Xin-Jian Yang
OBJECTIVE: The purpose of this meta-analysis was to compare the efficacy and safety between patients with thoracolumbar burst fracture who underwent posterior fixation alone (non-fusion) and supplemented with fusion. METHODS: A comprehensive search of related literature was performed in PubMed, Embase and the Cochrane library. Clinical outcomes (LBOS and VAS), surgical outcomes (operation time, blood loss, hospital stay and perioperative complications), and radiographic outcomes (kyphotic angle, decreased vertebral body height and segmental motion) were assessed in the meta-analysis...
June 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28629828/factors-associated-with-the-decision-of-operative-procedure-for-proximal-femoral-bone-metastasis-questionnaire-survey-to-institutions-participating-the-bone-and-soft-tissue-tumor-study-group-of-the-japan-clinical-oncology-group
#3
Nobuhito Araki, Hirokazu Chuman, Tomoya Matsunobu, Kazuhiro Tanaka, Hirohisa Katagiri, Toshiyuki Kunisada, Toru Hiruma, Hiroaki Hiraga, Hideo Morioka, Hiroshi Hatano, Kunihiro Asanuma, Yoshihiro Nishida, Koji Hiraoka, Takeshi Okamoto, Satoshi Abe, Munenori Watanuki, Takeshi Morii, Hideshi Sugiura, Yukihiro Yoshida, Takatoshi Ohno, Hidetatsu Outani, Koichiro Yokoyama, Shoji Shimose, Haruhiko Fukuda, Yukihide Iwamoto
BACKGROUND: Pathological fracture of the proximal femur is a main cause of cancer patients losing their ability to walk. Although both osteosynthetic devices (predominantly intramedullary nails) and prosthetic replacement have been widely performed for treatment, controversies exist regarding which procedure should be used for the various conditions. In order to decide the eligibility criteria of a planned randomized prospective study about the treatment of pathological fractures of the proximal femur, we assessed the factors affecting the selection of operative procedures using questionnaires sent to the members of the Bone and Soft Tissue Tumor Study Group (BSTTSG) of the Japan Clinical Oncology Group (JCOG)...
June 16, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28625583/bridging-suture-makes-consistent-and-secure-fixation-in-double-row-rotator-cuff-repair
#4
Tetsutaro Fukuhara, Teruhisa Mihata, Bong Jae Jun, Masashi Neo
BACKGROUND: Inconsistent tension distribution may decrease the biomechanical properties of the rotator cuff tendon after double-row repair, resulting in repair failure. The purpose of this study was to compare the tension distribution along the repaired rotator cuff tendon among three double-row repair techniques. METHODS: In each of 42 fresh-frozen porcine shoulders, a simulated infraspinatus tendon tear was repaired by using 1 of 3 double-row techniques: (1) conventional double-row repair (no bridging suture); (2) transosseous-equivalent repair (bridging suture alone); and (3) compression double-row repair (which combined conventional double-row and bridging sutures)...
June 15, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28619609/recommendations-to-prevent-shoulder-and-elbow-injuries-due-to-over-training-in-elementary-school-baseball-players
#5
EDITORIAL
Kenji Takagishi
No abstract text is available yet for this article.
June 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28602487/using-side-opening-injection-cannulas-to-prevent-cement-leakage%C3%A2-in%C3%A2-percutaneous-vertebroplasty-for-osteoporotic-vertebral%C3%A2-compression-fractures-does-it-really-work
#6
Jigang Li, Tao Li, Qiuhong Ma, Jianmin Li
BACKGROUND: Percutaneous vertebroplasty has been widely applied in the treatment of osteoporotic vertebral compression fractures over the past two decades. However as one of the major complications, the rate of cement leakage seems not to be decreased significantly. In this study, the rate of cement leakage was compared between two groups using two different cement injection cannulas. The purpose was to determine the efficacy of side-opening cannula on preventing cement leakage in vertebroplasty for the treatment of osteoporotic vertebral compression fractures...
June 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28601416/statistics-of-soft-tissue-sarcoma-in-japan-report-from-the-bone-and-soft-tissue-tumor-registry-in-japan
#7
Koichi Ogura, Takahiro Higashi, Akira Kawai
BACKGROUND: No previous reports to date have characterized the national profiles of soft-tissue sarcomas (STSs). In the present study, we reviewed current practice for STSs in Japan using data from a nationwide organ-specific cancer registry for bone and soft-tissue tumors in Japan, the Bone and Soft Tissue Tumor (BSTT) Registry. METHODS: In the registry, we identified 8228 patients with STSs during the period 2006-2012, and extracted data on patient demographics, treatment, and outcome at the last follow-up for each patient...
June 7, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28599878/responsiveness-of-the-knee-injury-and-osteoarthritis-outcome-score%C3%A2-koos-and-the-oxford-knee-score-oks-in-japanese-patients%C3%A2-with-high-tibial-osteotomy
#8
Sabine Goldhahn, Ryohei Takeuchi, Norimasa Nakamura, Ryuichi Nakamura, Takeshi Sawaguchi
BACKGROUND: To assess responsiveness of the Japanese Knee Injury and Osteoarthritis Outcome Score (KOOS) and the Oxford Knee Score (OKS) in patients undergoing open-wedge HTO to treat knee osteoarthritis and/or osteonecrosis. METHODS: Patients completed a set of questionnaires before HTO surgery (baseline) and 1 year after surgery. The questionnaires comprised the validated Japanese versions of the KOOS, the OKS, and the SF-36v2 and a visual analogue scale (VAS) for local knee pain and general pain...
June 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28595800/treatment-strategy-for-amyloid-hip-arthropathy-in-long-term-hemodialysis-patients
#9
Shigeo Fukunishi, Shoji Nishio, Yu Takeda, Tomokazu Fukui, Yuki Fujihara, Shohei Okahisa, Shinichi Yoshiya
BACKGROUND: The number of hemodialysis patients has been progressively increasing in our country. On the other hand, chronic hip arthropathy associated with long-term hemodialysis is a devastating problems affecting patients' quality of life. In our previous study, we proposed a classification system for radiological abnormalities seen in hemodialysis-related hip lesions. The purpose of the study was to propose the surgical strategy for hip disorders caused by long-term hemodialysis. METHODS: Patients with a history of hemodialysis for more than 10 years, 191 hip lesions in 165 consecutive patients who visited our institute due to hip symptoms...
June 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28595799/revision-total-hip-arthroplasty-salvage-procedures-using-bone-allografts-in-japan
#10
Katsufumi Uchiyama, Gen Inoue, Naonobu Takahira, Masashi Takaso
Total hip arthroplasty (THA) and hemiarthroplasty have improved hip joint function of patients suffering from hip disease or trauma with excellent clinical results and long-term survivorship. Conversely, there has been an increase in the number of revision surgeries after THA and hemiarthroplasty due to bone deficiency. The reconstruction of deficient bone remains a challenging problem following THA. While performing revision surgery, we have previously classified the preoperative bone deficiency using X-ray, CT and three-dimensional CT imaging according to location and severity of the deficiencies...
June 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28576297/preoperative-3-d-mri-planning-of-tunnel-placement-in-acl-reconstruction-for-a-skeletally-immature-patient-a-case-report
#11
Kanji Osaki, Satoshi Hamai, Ken Okazaki, Yasutaka Tashiro, Yukihide Iwamoto
No abstract text is available yet for this article.
May 30, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28571923/talar-head-fracture-in-a-professional-baseball-player-a-case-report
#12
Nobuto Kitamura, Masashi Yokota, Teruhiko Nakagawa, Kazunori Yasuda, Masamitsu Tsuchiya
No abstract text is available yet for this article.
May 29, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28559103/comparison-of-quantitative-evaluation-between-cutaneous-and-transosseous-inertial-sensors-in-anterior-cruciate-ligament-deficient-knee-a-cadaveric-study
#13
Atsunori Murase, Masahiro Nozaki, Masaaki Kobayashi, Hideyuki Goto, Masahito Yoshida, Sanshiro Yasuma, Tetsuya Takenaga, Yuko Nagaya, Jun Mizutani, Hideki Okamoto, Hirotaka Iguchi, Takanobu Otsuka
BACKGROUND: Recently several authors have reported on the quantitative evaluation of the pivot-shift test using cutaneous fixation of inertial sensors. Before utilizing this sensor for clinical studies, it is necessary to evaluate the accuracy of cutaneous sensor in assessing rotational knee instability. To evaluate the accuracy of inertial sensors, we compared cutaneous and transosseous sensors in the quantitative assessment of rotational knee instability in a cadaveric setting, in order to demonstrate their clinical applicability...
May 27, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28559102/biomechanical-characteristics-of-the-anatomic-rectangular-tunnel-anterior-cruciate-ligament-reconstruction-with-a-bone-patellar-tendon-bone-graft
#14
Tatsuo Mae, Konsei Shino, Ryo Iuchi, Kazutaka Kinugasa, Ryohei Uchida, Shigeto Nakagawa, Hideki Yoshikawa, Ken Nakata
PURPOSE: To clarify 1) the force sharing between two portions of BTB graft in anatomic rectangular tunnel (ART) reconstruction and 2) the knee stability in ART technique under anterior tibial load. METHODS: Eleven fresh cadaveric knees were used. First, anterior-posterior (A-P) laxity was measured with Knee Laxity Tester(®) in response to 134 N of A-P tibial load at 20° on the normal knees. Then ART ACL reconstruction was performed with a BTB graft. For graft, the patellar bone plug and tendon portion was longitudinally cut into half as AM and PL portions...
May 27, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28554715/hybrid-surgery-for-a-pseudoaneurysm-caused-by-a-clavicle-fracture
#15
Kazuya Makida, Toshiki Iwase, Kuniyoshi Tanaka, Masakazu Kobayashi
No abstract text is available yet for this article.
May 26, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28554714/analysis-of-shoulder-abduction-by-dynamic-shoulder-radiograph-following-suprascapular-nerve-repair-in-brachial-plexus-injury
#16
Takashi Shimoe, Kazuteru Doi, Tomas Madura, Kannan K Kumar, Tristram D Montales, Yasunori Hattori, Sotetsu Sakamoto, Kiminori Yukata, Munehito Yoshida
BACKGROUND: Suprascapular nerve repair is a widely-prioritized procedure for shoulder reconstruction following brachial plexus injury. Although this procedure only reconstructs glenohumeral joint motion, the standard clinical assessment of shoulder function also includes the scapulothoracic joint contribution. The purpose of this preliminary study was to develop an objective method to accurately analyze shoulder abduction following suprascapular nerve repair in brachial plexus injury patients...
May 26, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28551282/bowel-bladder-dysfunction-and-numbness-in-the-sole-of-the-both-feet-in-lumbar-spinal-stenosis-a-multicenter-cross-sectional-study
#17
Kazuyuki Watanabe, Miho Sekiguchi, Koji Yonemoto, Takuya Nikaido, Kinshi Kato, Koji Otani, Shoji Yabuki, Tatsuyuki Kakuma, Shin-Ichi Kikuchi, Shin-Ichi Konno
BACKGROUND: Numbness in the soles of both feet at rest or bowel/bladder dysfunction can occur in patients with lumbar spinal stenosis (LSS), especially in patients with cauda equina lesions. The purpose of this study was to clarify the relationship between cauda equina symptoms at rest and quality of life (QOL) in LSS patients using standardized questionnaires developed for the Japanese population. METHODS: A survey was conducted in 564 hospitals and general practice clinics nationwide from December 1, 2011 to December 31, 2012...
May 24, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28551281/reliability-of-radiographic-evaluations-of-the-stage-of-osteoarthritis-of-the-hip-joint-and-an-approach-to-improve-the-staging-criteria
#18
Junya Yoshitani, Takuya Nakamura, Kenichi Ueshima, Hidehumi Ebara, Tamon Kabata, Hiroyuki Tsuchiya
BACKGROUND: A few reports have shown that the reliability of the Japanese Orthopaedic Association stage classification of hip osteoarthritis was not high. The objective of this study was to assess the reliability of the stage classification of coxarthrosis, and to evaluate whether a modification of the classification improves reliability. MATERIALS AND METHODS: We retrospectively investigated 200 hips in 100 patients with hip pain. We collected radiographs of their hip joints with the patients in both a supine and a standing position...
May 24, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28549530/the-incidence-of-atypical-femoral-fractures-in-breast-cancer-patients-with-bone-metastases-who-received-bisphosphonate-treatment
#19
Eiji Nakata, Shinsuke Sugihara, Natsumi Yamashita, Shozo Osumi
BACKGROUND: Atypical femoral fractures (AFFs) have been reported to occur in patients with bone metastases who received long-term bisphosphonate treatment. However, the incidence of AFFs in breast cancer patients with bone metastases who received intravenous bisphosphonate is unclear. The purpose of this study is to examine the incidence of AFFs in breast cancer patients with bone metastases who received intravenous bisphosphonate. In addition, we estimated the number of dose and duration of intravenous bisphosphonate at the time of occurrence of AFFs...
May 23, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28546000/posttraumatic-calcaneocuboid-impingement-syndrome-a-case-report
#20
Tomoki Ohori, Tomohiko Matsuo, Kazutaka Kinugasa, Yasukazu Yonetani, Masayuki Hamada
No abstract text is available yet for this article.
May 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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