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

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https://www.readbyqxmd.com/read/29042134/the-use-of-dynamic-radiographs-in-trapeziometacarpal-joint-arthrodesis-for-accurate-range-of-motion-evaluation
#1
Brian Dormitorio, Yasunori Hattori, Kiminori Yukata, Sotetsu Sakamoto, Kazuteru Doi
BACKGROUND: Increased motion at the scaphotrapeziotrapezoidal (STT) joint and compensatory hypermobility of metacarpophalangeal (MP) joint contribute to the total abduction and adduction motion of the thumb after trapeziometacarpal (TM) joint arthrodesis. However, there were no detailed studies to evaluate the contribution of motion of each joint towards total thumb mobility. METHODS: We conducted a comparative study on thumb joint motion in 56 hands who underwent TM joint arthrodesis against that of 56 hands in normal subjects...
October 14, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29032860/biomechanical-comparison-of-two-different-locking-plates-for-open-wedge-high-tibial-osteotomy
#2
Nienke van Egmond, Dennis Janssen, Gerjon Hannink, Nico Verdonschot, Albert van Kampen
BACKGROUND: The purpose of this study was to compare the mechanical stability of a relatively thin locking plate (FlexitSystem implant) with a relatively firm locking plate (TomoFix implant), both used for opening wedge high tibial osteotomy. METHODS: Seven fresh frozen paired human cadaveric tibiae were used. The opening wedge high tibial osteotomies in the left tibiae were fixated with the FlexitSystem implant and in the right tibiae with the TomoFix implant. The tibiae were CT-scanned to determine the bone mineral density...
October 9, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29021102/predictors-of-the-clinical-outcome-and-survival-without-degenerative-arthritis-after-surgical-treatment-of-femoroacetabular-impingement
#3
Nizamettin Kockara, Hakan Sofu, Ahmet Issin, Yalkın Çamurcu, Aysegul Bursali
BACKGROUND: The main purposes of the present study were to evaluate the functional improvement, to identify the predictors of the clinical outcome after open surgical management of femoroacetabular impingement (FAI) in mid-term, and to determine 5-year survival rate. METHODS: In this retrospective study, the clinical data of 33 patients (34 hips) were evaluated. Sex, age, body mass index (BMI), type of FAI, duration of symptoms up to surgical treatment, internal rotation of the affected hip, improvement of the Harris hip score (HHS) in the first 2 years, joint space narrowing evaluated radiographically and classified according to Kellgren-Lawrence classification, and any labral tear were the independent variables...
October 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29021101/comparison-between-the-patients-with-surgery-and-without-surgery-after-recommendation-of-surgical-repair-for-symptomatic-rotator-cuff-tear
#4
Jae Chul Yoo, Tae Kang Lim, Dong Hyok Kim, Kyoung-Hwan Koh
PURPOSE: Symptomatic full-thickness rotator cuff (RC) tears are often recommended for surgical repairs. However, some patients decide not to have surgery. The aim of this study was to see if there was any difference in preoperative variables between the two groups. METHODS: 137 consecutive patients recommended for surgery due to symptomatic full-thickness RC tear were evaluated. At mean 58.1 months after surgery-recommendation, the patients were asked whether they had surgery and their clinical outcome was assessed...
October 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28993057/solitary-pancreatic-lesion-as-the-initial-metastasis-from-osteosarcoma-report-of-a-rare-case
#5
Kemmei Ikuta, Teruya Kawamoto, Hitomi Hara, Naomasa Fukase, Masayuki Morishita, Ryosuke Kuroda, Toshihiro Akisue
No abstract text is available yet for this article.
October 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28988878/age-variation-in-the-minimum-clinically-important-difference-in-srs-22r-after-surgical-treatment-for-adult-spinal-deformity-a-single-institution-analysis-in-japan
#6
Hideyuki Arima, Leah Y Carreon, Steven D Glassman, Yu Yamato, Tomohiko Hasegawa, Daisuke Togawa, Sho Kobayashi, Go Yoshida, Tatsuya Yasuda, Tomohiro Banno, Shin Oe, Yuki Mihara, Yukihiro Matsuyama
BACKGROUND: The Scoliosis Research Society-22r (SRS-22r) has been shown to be reliable, valid and responsive to change in patients with adult spinal deformity (ASD) undergoing surgery. The minimum clinically important difference (MCID) quantifies a threshold value of improvement that is clinically relevant to the patient. Health-related quality of life scores depend on age. The purpose of this study was to assess MCID threshold values stratified by age for SRS-22r domains in patients with ASD undergoing surgical correction...
October 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28988877/intra-and-inter-observer-reproducibility-of-shoulder-laxity-tests-comparison-of-the-drawer-modified-drawer-and-load-and-shift-tests
#7
Wataru Morita, Atsushi Tasaki
BACKGROUND: Conventional tests of shoulder laxity have been shown to have poor reliability due to the difficulty in palpating the subtle movements of the shoulder joint beneath the musculature. Modified drawer test that is performed while the soft tissues surrounding the shoulder are loosened has been proposed to facilitate glenohumeral joint movement and improve reliability. We hypothesised that the modified drawer test would have an improved intra- and inter-observer reproducibility in comparison to the drawer and load and shift tests...
October 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28988630/differences-in-short-term-clinical-and-radiological-outcomes-depending-on-timing-of-balloon-kyphoplasty-for-painful-osteoporotic-vertebral-fracture
#8
Shinji Takahashi, Masatoshi Hoshino, Hidetomi Terai, Hiromitsu Toyoda, Akinobu Suzuki, Koji Tamai, Kyoei Watanabe, Tadao Tsujio, Hiroyuki Yasuda, Hiroshi Kono, Ryuichi Sasaoka, Sho Dohzono, Kazunori Hayashi, Shoichiro Ohyama, Yusuke Hori, Hiroaki Nakamura
BACKGROUND: Balloon kyphoplasty or vertebroplasty is widely performed as a surgical intervention for osteoporotic vertebral fracture (OVF) and the effects have been investigated in many previous studies. However, the influence of the timing of the procedure on patient outcomes has not been studied formally. The purpose of this study was to investigate differences in the surgical outcomes of OVFs according to the timing of balloon kyphoplasty. METHODS: This was a multicenter cohort study...
October 4, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28985988/a-novel-screwing-method-to-prevent-decubitus-and-skin-ulcer-in-severe-kyphoscoliosis-after-spinal-cord-injury-a-case-report
#9
Shoji Seki, Yoshiharu Kawaguchi, Hayato Mine, Tomoatsu Kimura
No abstract text is available yet for this article.
October 3, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28982606/clinical-outcomes-of-conservative-treatment-with-a-non-weight-bearing-abduction-brace-for-legg-calv%C3%A3-perthes-disease
#10
Miho Iwamoto, Yasuharu Nakashima, Tomoyuki Nakamura, Yusuke Kohno, Ryosuke Yamaguchi, Kazuyuki Takamura
BACKGROUND: Treatment with a brace is the first choice as conservative treatment via the containment method for Legg-Calvé-Perthes disease (LCPD). The purpose of this study is to evaluate clinical outcomes and influential factors of conservative treatment with the non-weight-bearing abduction brace for LCPD. METHODS: One hundred thirty hips in 130 patients were examined in this study. The mean age at onset was 7.0 years (3.3-12.4 years) and the mean follow-up period was 8...
October 2, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28982605/improvement-in-the-rate-of-inadequate-pharmaceutical-treatment-by-orthopaedic-surgeons-for-the-prevention-of-a-second-fracture-over-the-last-10-years
#11
Kousuke Iba, Takayuki Dohke, Junichi Takada, Koichi Sasaki, Tomoko Sonoda, Megumi Hanaka, Suichi Miyano, Toshihiko Yamashita
BACKGROUND: We have previously reported that the low rate of osteoporosis patients treated with anti-osteoporotic drugs following surgical treatment for the first fragility fractures by orthopaedic surgeons during 3 years from 2000 to 2003 was only 13.1%. Ten years have now passed our previous study, and we hypothesized that the rate of appropriate pharmacologic treatment for the prevention of secondary fractures has improved. METHODS: We studied 730 osteoporosis patients (102 men and 628 women; average age of 78 years, range 33-102 years) who underwent surgical treatment for fragility fractures, during 3-year period from 2010 to 2012...
October 2, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28969953/arthroscopic-centralization-achieved-good-clinical-improvements-and-radiographic-outcomes-in-a-rugby-player-with-osteoarthritis-after-subtotal-lateral-meniscectomy-a-case-report
#12
Yusuke Nakagawa, Takeshi Muneta, Toshifumi Watanabe, Masafumi Horie, Tomomasa Nakamura, Koji Otabe, Mai Katakura, Yusuke Sumi, Ichiro Sekiya, Hideyuki Koga
No abstract text is available yet for this article.
September 29, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28967534/femoral-head-fracture-similar-to-slipped-capital-femoral-epiphysis-in-an-elderly-woman-with-antecedent-hip-osteoarthritis-after-subchondral-insufficiency-fracture-a-case-report
#13
Shoji Baba, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Yusuke Kubo, Takeshi Utsunomiya, Hiroyuki Hatanaka, Yasuharu Nakashima
No abstract text is available yet for this article.
September 26, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28958630/anatomical-evidence-for-the-anterior-plate-fixation-of-sacroiliac-joint
#14
Zhibiao Bai, Shichang Gao, Jia Liu, Anlin Liang, Weihua Yu
BACKGROUND: The iatrogenic injuries to the lumbar nerves during the fixation the sacroiliac (SI) joint fractures with anterior plates were often reported. No specific method had been reported to avoid it. This study was done to find a safer way of placing the anterior plates and screws for treating the sacroiliac (SI) joint fracture and/or dislocation. METHODS: The research was performed using 8 male and 7 female normal corpse pelvic specimens preserved by 10% formalin solution...
September 25, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28947243/hand-lesion-after-arthroscopic-rotator-cuff-repair-association-with-complex-regional-pain-syndrome
#15
Ryo Tanesue, Masafumi Gotoh, Yasuhiro Mitsui, Hidehiro Nakamura, Hirokazu Honda, Hiroki Ohzono, Hisao Shimokobe, Tsuyoshi Tokunaga, Takaki Imai, Takahiro Okawa, Naoto Shiba
BACKGROUND: It is known that complex regional pain syndrome (CRPS) occurs after arthroscopic rotator cuff repair (ARCR); however, few studies have investigated this complication. Therefore, the purpose of the present study was to evaluate CRPS after ARCR. METHODS: A total of 182 patients who underwent ARCR were enrolled in this study. The average age of patients was 62.8 ± 10.0 years, with an average follow-up period of 21.5 ± 38.1 months. CRPS criteria outlined by the Ministry of Health, Labor, and Welfare study team for CRPS in Japan (MHLWJ) and International Association for the Study of Pain (IASP 2005) were utilized for diagnosis...
September 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28947242/increasing-incidence-of-fracture-and-its-sex-difference-in-school-children-20-year-longitudinal-study-based-on-school-health-statistic-in-japan
#16
Hiroshi Koga, Go Omori, Yoshio Koga, Osamu Tanifuji, Tomoharu Mochizuki, Naoto Endo
BACKGROUND: Studies on the epidemiology of pediatric fractures have been scarce in recent years although fractures are very common in childhood. Boys have a higher incidence of fractures than girls. Currently, societal trends have seemed to influence the difference in activity patterns between boys and girls, but the sex difference regarding longitudinal changes in fracture incidence is not well known. METHODS: We analyzed the school accident report in Niigata city, Japan and compared the incidence of fractures in elementary and junior high school students and the sex-related risk ratio between two 9-year periods separated by 20 years from their start and end points (1999-2007 and 1979-1987)...
September 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28947241/the-effect-of-smoking-on-the-outcomes-of-lateral-ankle-ligament-reconstruction
#17
Dong-Oh Lee, Joon-Sang Eom, Hong-Geun Jung
BACKGROUND: Although smoking is known to be harmful to the musculoskeletal system, no studies have investigated its effects on the outcomes of ankle ligament surgery. We determined the effects of smoking on the clinical and radiological outcomes of lateral ankle ligament reconstruction using tendon allografts according to smoking status. METHODS: From among 105 patients with chronic ankle instability who were treated with anatomical reconstruction of the anterior talofibular ligament and the calcaneofibular ligament using semitendinosus tendon allografts and bio-tenodesis screws, 70 ankles, from 23 smokers and 47 non-smokers, were analyzed...
September 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28943143/can-surgery-for-adolescent-idiopathic-scoliosis-of-less-than-50-degrees-of-main-thoracic-curve-achieve-good-results
#18
Tetsuhiko Mimura, Jun Takahashi, Shota Ikegami, Shugo Kuraishi, Masayuki Shimizu, Toshimasa Futatsugi, Masashi Uehara, Hiroki Oba, Michihiko Koseki, Hiroyuki Kato
BACKGROUND: It is generally recognized that the main thoracic curve Cobb angle threshold for surgical correction is approximately 50 degrees in patients with adolescent idiopathic scoliosis (AIS). Although AIS with a Cobb angle of <50 degrees is sometimes treated surgically to improve cosmesis, the precise outcomes are unclear. This study analyzed the postoperative results for AIS with a main thoracic curve of 50 degrees. METHODS: Thirty-nine consecutive patients with Lenke type 1-2 curves underwent posterior spinal fusion for AIS...
September 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28943142/camurati-engelmann-disease-new-clinical-insights-in-an-egyptian-case-report
#19
Yahya Wahba, Nevert A Abdel Ghaffar, Ali Shaltout, Ashraf Elsharkawy
No abstract text is available yet for this article.
September 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28927957/clinical-course-of-the-bony-lesion-of-single-system-single-site-langerhans-cell-histiocytosis-is-appropriate-follow-up-sufficient-treatment
#20
Hiromi Sasaki, Satoshi Nagano, Hirofumi Shimada, Shunsuke Nakamura, Takao Setoguchi, Setsuro Komiya
BACKGROUND: Langerhans cell histiocytosis (LCH) is categorized into three types, which include single-system single-site (SS-s), single-system multiple-site (SS-m) and multisystem (MS). The most commonly affected site in LCH is bone, and the bony lesion of SS-s LCH has a good prognosis. The bony lesion of SS-s LCH has been thought to regress spontaneously. Although treatments such as curettage, direct injection of corticosteroids, and chemotherapy have been performed, regular follow-up is the first line of treatment for the bony lesion of SS-s LCH...
September 16, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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