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

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https://www.readbyqxmd.com/read/30232029/endoprosthetic-proximal-femur-replacement-to-transfemoral-amputee-as-a-practical-treatment-option-a-case-report
#1
Yusuke Tsuda, Tomotake Okuma, Jungo Imanishi, Takahiro Hozumi, Takahiro Goto
No abstract text is available yet for this article.
September 16, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30232028/aortic-pulsation-prevents-the-development-of-ossification-of-anterior-longitudinal-ligament-toward-the-aorta-in-patients-with-diffuse-idiopathic-skeletal-hyperostosis-dish-in-japanese-results-of-chest-ct-based-cross-sectional-study
#2
Kanji Mori, Takafumi Yayama, Kazuya Nishizawa, Akira Nakamura, Tomohiro Mimura, Shinji Imai
BACKGROUND: The development and etiology of diffuse idiopathic skeletal hyperostosis (DISH) were far from complete understanding. Even the precise mechanism of the development of its typical right-sided ossification of the anterior longitudinal ligament (OALL) frequently compared to 'flowing candle wax', a hallmark of DISH, remains unknown. METHODS: The participants of this study were 261 individuals (31 females and 230 males) diagnosed as DISH according to the criteria established by Resnick and Niwayama extracted from a consecutive 3013 patients who have undergone chest CT for the examination of pulmonary diseases in our institute...
September 16, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30224230/subcutaneous-rupture-of-the-flexor-hallucis-longus-tendon-at-the-musculotendinous-junction-in-a-soccer-player
#3
Toshihiro Hosokawa, Kazuya Ikoma, Masamitsu Kido, Yusuke Hara, Masahiro Maki, Suzuyo Ohashi, Toshikazu Kubo
No abstract text is available yet for this article.
September 14, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30219602/effect-of-hyperlipidaemia-to-accelerate-intervertebral-disc-degeneration-in-the-injured-rat-caudal-disc-model
#4
Yuedong Zhang, Meng Si, Chunpu Li, Yi Liu, Yingguang Han, Lin Nie, Mei Wang
BACKGROUND: Dyslipidaemia is a well-known risk factor for the development of atherosclerosis, however, little is known about the effect of dyslipidaemia on intervertebral disc degeneration (IVDD). Thus, the purpose of this study is to investigate the relationship between dyslipidaemia and IVDD, and to identify the possible mechanism by which dyslipidaemia aggravates the degeneration of intervertebral discs. METHODS: Hyperlipidaemia rats were induced, thirty male Wistar rats were randomly divided into two groups: normal chow diet control group (CON) and high-fat diet group (HFD) for 8 weeks...
September 13, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30219603/a-comparative-clinical-and-functional-assessment-of-cortical-button-versus-suture-anchor-in-distal-biceps-brachii-tendon-repair
#5
Paweł Reichert, Aleksandra Królikowska, Maciej Kentel, Jarosław Witkowski, Jan Gnus, Wojciech Satora, Andrzej Czamara
PURPOSE: The studies comparing the fixation methods being used for the ruptured distal biceps brachii tendon reinsertion show similar outcomes of cortical button and suture anchors usage, however, longer follow-up studies remain necessary. The goal of this study was to compare the clinical and functional three-year outcomes of the cortical button in contrast to the suture anchor fixation. METHODS: A retrospective cohort study comprised of 28 males on average 3 years after surgical reinsertion of the distal biceps brachii tendon with the use of a cortical button (Group I, n = 11) or a suture anchor (Group II, n = 17)...
September 12, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30217399/hemodynamic-change-and-affecting-factors-after-shoulder-arthroplasty-in-the-asian-population
#6
Hyeon Jang Jeong, Bong Young Kong, Sung Min Rhee, Joo Han Oh
BACKGROUND: This retrospective study was designed to compare the hemodynamics among the types of shoulder arthroplasty and to evaluate predictors of transfusion in the Asian population. METHODS: A total of 212 shoulder arthroplasties (26 fracture hemiarthroplasty (fHA), 49 anatomical total shoulder arthroplasty (aTSA), 132 reverse total shoulder arthroplasty (rTSA), and 5 revision surgery) from August 2004 to January 2016 were retrospectively reviewed. Demographics, surgical factors, and perioperative hemodynamic factors among the types of arthroplasty were compared...
September 12, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30197094/electromyographic-analysis-of-infraspinatus-and-scapular-muscles-during-external-shoulder-rotation-with-different-weight-loads-and-positions
#7
Shuichi Sasaki, Tomonori Kenmoku, Ayumi Otera, Genyo Miyajima, Naoshige Nagura, Mitsufumi Nakawaki, Toshiyuki Nakazawa, Masashi Takaso, Michinari Fukuda, Naonobu Takahira
BACKGROUND: Strengthening the infraspinatus is important in shoulder rehabilitation. Changes in infraspinatus activity with changing load and position have not been quantified. We sought to determine the most appropriate load and posture for early infraspinatus strengthening by assessing for changes in electromyographic activity in the healthy infraspinatus and other shoulder girdle muscles during isometric external rotational exercise under different loads with the shoulder adducted in the supine and seated positions...
September 6, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30181007/comparison-between-the-staphylococci-aureus-and-coagulase-negative-staphylococci-infected-total-joint-arthroplasty-treated-by-two-stage-revision-a-retrospective-study-with-two-year-minimum-follow-up
#8
Zhisen Gao, Yinqiao Du, Shang Piao, Jingyang Sun, Xiang Li, Yonggang Zhou
BACKGROUND: Staphylococcus species are major pathogens of peri-prosthetic joint infection (PJI). Coagulase-positive staphylococci and coagulase-negative staphylococci have different intrinsic virulences. However, few studies have specifically compared the clinical manifestations and two-stage revision outcomes of PJI caused by these two species. METHODS: We retrospectively collected 260 arthroplasty patients who underwent a two-stage revision because of PJI from January 2003 to June 2015 in our institute because of PJI...
September 1, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30181006/treatment-of-bone-tumor-using-external-fixator
#9
Hidenori Matsubara, Hiroyuki Tsuchiya
External fixation has been widely used for the treatment of limb length discrepancy, deformity correction, and bone defect using distraction osteogenesis. We have been using this technique for the treatment of obstacles due to benign bone tumor and reconstruction after malignant bone tumor resection. In this paper, we introduce the usefulness of external fixation for the treatment of various benign bone tumors and limb salvage surgery for reconstruction after tumor resection using distraction osteogenesis, according to the tumor site...
September 1, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30166083/comparison-of-meniscal-extrusion-and-osteophyte-formation-at-the-intercondylar-notch-as-a-predictive-biomarker-for-incidence-of-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#10
Kentaro Okada, Satoshi Yamaguchi, Yasunori Sato, Takahiro Enomoto, Yuya Ogawa, Seiji Ohtori, Masamichi Tahara, Takahisa Sasho
BACKGROUND: Medial meniscal extrusion (ME) is a biomarker to predict later development of knee osteoarthritis (KOA). On the other hand, we have reported osteophyte formation at the posterior condylar notch of the femur served as a biomarker for the same purpose. The purpose of this study is to compare capacity of the two biomarkers in predicting KOA development. METHODS: Two cohort of knees were established utilizing publicly available data from the Osteoarthritis Initiative (OAI)...
August 28, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30153963/chronic-recurrent-multifocal-osteomyelitis-crmo-involving-spine-a-case-report-and-literature-review
#11
Kazuta Yamashita, Cosma Calderaro, Luca Labianca, Pawin Gajaseni, Stuart L Weinstein
No abstract text is available yet for this article.
August 25, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30146385/the-impact-of-switching-once-weekly-teriparatide-to-denosumab-in-osteoporosis-patients
#12
Masayuki Miyagi, Hisako Fujimaki, Kouji Naruse, Kaori Suto, Gen Inoue, Toshiyuki Nakazawa, Takayuki Imura, Wataru Saito, Kentaro Uchida, Eiki Shirasawa, Naonobu Takahira, Masashi Takaso
BACKGROUND: It has been reported that switching from daily (d) teriparatide (TPTD) to denosumab (DMAb) is effective for severe osteoporosis patients. However, there have been no reports about switching from weekly (w) TPTD to DMAb in patients with osteoporosis. Once-weekly 56.5-μg TPTD treatment increases bone mineral density (BMD) and reduces fracture events. The objective of the current retrospective study was to elucidate the impact of switching w-TPTD to DMAb in patients with osteoporosis...
August 23, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30146384/screening-for-musculoskeletal-problems-in-children-using-a-questionnaire
#13
Yohei Tomaru, Hiroshi Kamada, Yuta Tsukagoshi, Shogo Nakagawa, Kenta Tanaka, Ryoko Takeuchi, Yuki Mataki, Shumpei Miyakawa, Masashi Yamazaki
BACKGROUND: On April 1, 2016, the Ministerial ordinance was enforced, and musculoskeletal examination of the extremities was made mandatory. From 2008, the University of us started musculoskeletal direct examination. To expand the examination, from 2016, we started to use the marksheet-type questionnaire. This study aimed to report the results of a musculoskeletal examination and investigate the association between musculoskeletal examination and age/gender and reports the reliability of the collected questionnaire data...
August 23, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30146383/does-the-cement-mantle-thickness-influence-the-glenoid-loosening-in-anatomic-total-shoulder-arthroplasty-an-experimental-study
#14
Philippe Clavert, Julia Bouchaïb, Agathe Kling, Jean-François Kempf
BACKGROUND: Glenoid component loosening is the most frequent failure mode. Few data are available on the effect of thickness of cement on glenoid loosening. The purpose of this study is to determine if the cement mantle thickness influences the mode and localization of loosening. Our hypotheses are: 1) failure is caused by traction stresses generated within the cement mantle and 2) a thicker cement mantle amplifies the rocking horse effect. METHODS: Using bone substitute, an experimental protocol was designed to compare loosening of a keeled glenoid prosthesis in axial traction and off-centered-load, to recreate the rocking-horse effect (1...
August 23, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30146382/analysis-of-patients-sleep-disorder-after-total-knee-arthroplasty-a-retrospective-study
#15
Gong Long, Sun Suqin, Zhang Hu, Zhao Yan, Yao Huixin, Li Tianwang, Yu Yang, Wang Zhenhu
BACKGROUND: Sleep disorder after total knee arthroplasty (TKA) is complex as it greatly differs from patient to patient. Thus, it can be seen that we should further know the detail in sleep disorders following TKA to find well solutions to achieve satisfactory sleep and better recovery. METHODS: Between October 2011 and January 2016, 965 patients accepted primary TKA. We reviewed each patient's data. Sleep disorder was evaluated via subjective instruments. The Sleep Questionnaire in the present study is a 12-item instrument that evaluates sleep in terms of three dimensions: sleep quality; disruptive factors; and specific forms...
August 23, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30146381/increased-risk-of-symptomatic-progression-of-instability-following-decompression-for-lumbar-canal-stenosis-in-patients-receiving-chronic-glucocorticoids-therapy
#16
Shigeto Hiratsuka, Masahiko Takahata, Yoshihiro Hojo, Tomomichi Kajino, Yuichiro Hisada, Akira Iwata, Katsuhisa Yamada, Norimasa Iwasaki
BACKGROUND: Lumbar decompression surgery is a commonly used treatment for degenerative lumbar spinal stenosis; however, some patients develop symptomatic spinal instability following decompression surgery. The objective of this study was to reveal risk factors for delayed instability following decompression surgery for lumbar spinal stenosis. METHODS: One hundred ten patients who underwent single-level lumbar decompression between 2008 and 2014 were retrospectively reviewed...
August 23, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30145105/diversity-in-intracortical-remodeling-in-the-human-femoral-bone-a-novel-view-point-with-the-morphological-analysis-of-secondary-osteons
#17
Junichiro Maeda, Kazunobu Saiki, Hisayoshi Kondo, Hiroaki Matsuo, Takeshi Imamura, Keiko Ogami-Takamura, Keishi Okamoto, Masato Tomita, Makoto Osaki, Toshiyuki Tsurumoto
INTRODUCTION: In humans, intracortical bone remodeling is performed by a basic multicellular unit (BMU) composed of osteoclasts and osteoblasts penetrating through cortical bones. As a result, secondary osteons and their boundaries, cement lines, can be observed on the transverse section. There have been few reports mention whether there is diversity within a single individual and on the relevance to bone remodeling. The purpose of this study is to investigate the morphological diversity of secondary osteons in human femoral bone and to examine the relationship with bone remodeling...
August 22, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30126675/efficacy-of-duloxetine-by-prior-nsaid-use-in-the-treatment-of-chronic-osteoarthritis-knee-pain-a-post-hoc-subgroup-analysis-of-a-randomized-placebo-controlled-phase-3-study-in-japan
#18
Hiroyuki Enomoto, Shinji Fujikoshi, Toshinaga Tsuji, Nao Sasaki, Hirofumi Tokuoka, Yuji Uchio
BACKGROUND: A previously conducted placebo-controlled, randomized, phase 3 study of 353 Japanese patients with knee osteoarthritis (OA) showed significant improvements for duloxetine vs placebo in pain and health-related quality of life (HRQoL) (ClinicalTrials.gov Identifier: NCT02248480). Reported here are post hoc subgroup analyses evaluating the efficacy of duloxetine according to the pattern of prior nonsteroidal anti-inflammatory drug (NSAID) use. METHODS: Patients with knee OA pain received once-daily duloxetine or placebo for 14 weeks...
August 17, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30122338/reattachment-of-an-osteotomized-greater-trochanter-in-total-hip-arthroplasty-using-an-ultra-high-molecular-weight-polyethylene-fiber-cable
#19
Kenichi Oe, Hirokazu Iida, Fumito Kobayashi, Narumi Ueda, Tomohisa Nakamura, Naofumi Okamoto, Takanori Saito
BACKGROUND: The optimum approach in total hip arthroplasty (THA) should reduce the risk of postoperative dislocation or limping, be applicable in every case, and be reusable in the future. The purpose of this study was to introduce our transgluteal approach for THA and to evaluate the type and frequency of complications around the greater trochanter. METHODS: This study retrospectively evaluated 892 THA cases between January 2010 and March 2015 performed using our transgluteal approach that osteotomized only the lateral anteroinferior greater trochanter...
August 17, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/30122336/clinical-and-radiologic-outcomes-of-bone-grafted-and-non-bone-grafted-double-door-laminoplasty-the-modified-kirita-miyazaki-method-for-treatment-of-cervical-spondylotic-myelopathy-five-year-follow-up
#20
Hiroaki Onuma, Takashi Hirai, Toshitaka Yoshii, Hiroyuki Inose, Masato Yuasa, Shigenori Kawabata, Atsushi Okawa
PURPOSE: To clarify whether there is any difference in mid-term clinical and radiologic outcomes between bone-grafted laminoplasty (BG LAMP) and non-bone-grafted laminoplasty (non-BG LAMP) when used to treat cervical spondylotic myelopathy. BACKGROUND: Conventional BG LAMP includes bone grafting at the lamina hinge site to prevent closure of the lamina postoperatively, but it often results in segmental fusion and sometimes causes loss of cervical mobility and lordotic alignment...
August 17, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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