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Management of ulnar collateral ligament injury in baseball athletes: An online survey in Japanese surgeons J. Orthop. Sci. (IF 1.7) Pub Date : 2024-03-12 Shota Hoshika, Kazunari Tomita, Keisuke Matsuki, Hiroshi Kusano, Jun Yamakawa, Shogo Yonekawa
The management of ulnar collateral ligament (UCL) injuries widely varies among surgeons. Although various treatment options have been proposed including surgical and conservative treatments, no golden standard treatment strategy has been established of yet. The American survey reported an overall experienced and well-trained cohort of surgeons often reached consensus opinions on how to approach UCL
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Prognostic nutrition index as a predictive factor for overall survival in trabectedin-treated advanced soft tissue sarcoma J. Orthop. Sci. (IF 1.7) Pub Date : 2024-03-11 Hideaki Sabe, Satoshi Takenaka, Shigeki Kakunaga, Hironari Tamiya, Toru Wakamatsu, Sho Nakai, Haruna Takami, Yoshiki Yamada, Seiji Okada
Trabectedin binds covalently to the DNA minor groove and causes DNA to bend toward the main groove, then trabectedin regulates the transcription of the involved genes in cell proliferation or acts on the mononuclear phagocyte system in tumors, which contributes to its antitumor effects. Several clinical trials confirmed the efficacy of trabectedin for patients with advanced soft tissue sarcoma (STS)
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Characteristics and functional outcomes of varus displaced proximal humerus fractures J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-29 Sung Weon Jung, Jong Min Jeon, Chul Ho Lee
The purpose of this study was to compare fracture characteristics and functional outcomes between patients with proximal humerus fractures with and without initial varus displacement. A retrospective review of 325 patients with proximal humerus fractures was performed. Patients with initial varus displacement were placed in Varus cohort and were age- and sex-matched 1:1 with a second cohort presenting
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Treatment of bone and soft tissue tumors - Responsibilities and challenges for orthopedic surgeons J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-22 Akihiko Matsumine
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A quantitative assessment of the anterior tibiofibular gap with and without weight-bearing in healthy adults: An ultrasound-based study J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-21 Tsubasa Tashiro, Noriaki Maeda, Shogo Tsutsumi, Takeru Abekura, Hinata Esaki, Koki Tsuchida, Sakura Oda, Makoto Komiya, Yasunari Ikuta, Yukio Urabe
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Equol production capability and family history as risk factors for hand osteoarthritis in menopausal and postmenopausal women. Cross-sectional study J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-14 Yuichi Hirase, Arisa Okubo
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Radiographic and clinical comparisons between loose-fit and press-fit stems in monopolar radial head arthroplasty for comminuted radial head fractures J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-10 Haruhiko Shimura, Yoshiaki Wakabayashi, Tetsuya Yamada, Ken Shirakawa, Tetsuya Sato, Koji Fujita, Yumi Niizeki, Shiro Suzuki, Hidetoshi Kaburagi, Hidetsugu Suzuki, Akimoto Nimura
Few clinical studies have compared the operative outcomes between loose- and press-fit stems in radial head arthroplasty (RHA). We aimed to evaluate the radiographic and clinical results of the two radial head implant concepts. In this retrospective multicenter study, 32 patients (24 women and 8 men) with a mean age of 63.1 years who underwent RHA for comminuted radial head fractures were reviewed
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Anti-osteoporotic drug efficacy for periprosthetic bone loss after total hip arthroplasty: A systematic review and network meta-analysis J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-10 Masaki Hatano, Yasuhiko Koizumi, Norio Yamamoto, Kota Miyoshi, Kensuke Kawabata, Takeyuki Tanaka, Sakae Tanaka, Akihiro Shiroshita, Yuki Kataoka
Periprosthetic bone loss following total hip arthroplasty (THA) threatens prosthesis stability. This systematic review and network meta-analysis aimed to compare the efficacy of anti-osteoporotic drugs for measures of hip function according to functional outcomes, periprosthetic femoral bone mineral density loss in each Gruen zone, and revision surgery after THA. The systematic search of six literature
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Impact of multi-rod reinforcement on rod fractures in adult spinal deformity: A retrospective case series with a minimum follow up of 5 years J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-07 Yu Yamato, Tomohiko Hasegawa, Go Yoshida, Tomohiro Banno, Shin Oe, Hideyuki Arima, Koichiro Ide, Tomohiro Yamada, Kenta Kurosu, Keiichi Nakai, Yukihiro Matsuyama
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Posterior video-assisted trans pedicular surgery for calcified midline thoracic disc herniation J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-07 Mehdi Sasani, Hadi Sasani, Mehmet Yigit Akgun, Mehdi Hekimoglu, Ahmet Tulgar Basak, Tunc Oktenoglu, Ozkan Ates, Ali Fahir Ozer
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Analgesic effectiveness of continuous versus single-injection adductor canal block in addition to continuous popliteal sciatic nerve block for bimalleolar and trimalleolar ankle fracture surgery: Prospective randomized controlled trial J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-05 Young Uk Park, Han Bum Joe, Jong Wha Lee, Young Wook Seo
The adductor canal block is a well-known procedure for controlling postoperative pain after medial malleolus fracture surgery. Continuous nerve block is a viable option for blocking pain for a longer period although the literature on this subject is scarce. Therefore, this study aimed to compare continuous adductor canal block (cACB) group to single-injection adductor canal block (sACB) group in those
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Perioperative glycemic control reduces the risk of retear in diabetic patients following arthroscopic rotator cuff repair: A meta-analysis J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-02 Junwen Liang, Qianrun Liang, Xihao Wang, Xiangdong Yun
Previous studies have associated diabetes with reduced shoulder motion, increased pain, and higher postoperative retear risk after arthroscopic rotator cuff repair (ARCR). However, the impact of glycemic control, measured by hemoglobin A1c (HbA1c) levels, on retear and revision rates after ARCR in diabetic patients remains unclear. This systematic review was conducted using the PubMed, Cochrane Library
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Return-to-play outcomes after full-endoscopic spine surgery under local anesthesia in professional baseball players: Comparison by timing of surgery J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-01 Shutaro Fujimoto, Takashi Inokuchi, Shunsuke Tamaki, Kosuke Sugiura, Makoto Takeuchi, Masatoshi Morimoto, Fumitake Tezuka, Kazuta Yamashita, Junzo Fujitani, Koichi Sairyo
Full-endoscopic spine surgery via a transforaminal approach (TF-FESS) is minimally invasive and could help athletes quickly return to play. When treating professional athletes, we have to consider their season schedule. In this study, we investigated the characteristics of Japanese professional baseball players who underwent TF-FESS and examine how the timing of surgery influenced their postoperative
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Risk factors for intraoperative femoral fractures in cementless bipolar hip arthroplasty for femoral neck fracture in multicenter: The TRON group study J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-01 Hiroaki Ido, Yasuhiko Takegami, Yusuke Osawa, Masanori Okamoto, Hiroki Iida, Shiro Imagama
Intraoperative femoral fractures are more common in cementless bipolar hip arthroplasty (BHA) for displaced femoral neck fractures than they are in cemented BHA and remain one of the major concerns. This study aimed to investigate the risk factors for intraoperative femoral fractures in cementless BHA. The study included 1,392 patients who underwent cementless BHA for displaced femoral neck fractures
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Point of care ultrasound combined with CTS-6 to diagnose idiopathic carpal tunnel syndrome J. Orthop. Sci. (IF 1.7) Pub Date : 2024-02-01 Hiroo Kimura, Ryogo Furuhata, Tomoki Matsuo, Taku Suzuki, Noboru Matsumura, Kazuki Sato, Takuji Iwamoto
This study aimed to demonstrate the effectiveness of our new diagnostic chart using point of care ultrasound combined with CTS-6 for diagnosing idiopathic carpal tunnel syndrome. We conducted a retrospective analysis of the data of patients who visited our department and received point of care ultrasound combined with CTS-6 from 2020 to 2023. Data regarding age, sex, initial and final diagnosis, cross-sectional
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Patellar tendon shortening surgery restores the knee extensor mechanism in flexed knee gait in children with cerebral palsy J. Orthop. Sci. (IF 1.7) Pub Date : 2024-01-23 Henrike Greaves, David Wright, Antonio Eleuteri, Elizabeth Ray, Ornella Pinzone, Alfie Bass, Roger Walton, Gabor Barton
Background This study evaluated a patellar tendon shortening (PTS) surgical procedure that uses an overlapping repair combined with an additional Tycron non-absorbable suture to support the shortening in children with Cerebral Palsy (CP). This study aimed to outline this surgical technique and to evaluate its effectiveness in restoring the knee extensor mechanism. Methods The sagittal plane lower limb
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Association between restricted outings and geriatric locomotive function scale score in the general elderly population during the COVID-19 pandemic J. Orthop. Sci. (IF 1.7) Pub Date : 2024-01-17 Masashi Uehara, Jun Takahashi, Shota Ikegami, Ryosuke Tokida, Hikaru Nishimura, Noriko Sakai, Etsuo Chosa
Background Restrictions in daily activities due to coronavirus infection countermeasures reduced opportunities for physical activity and social participation in people of all ages. This study investigated the associations of restricted outings on locomotive function during the COVID-19 pandemic using a cohort of middle-aged and elderly community-dwelling residents. Methods Registered citizens of 50–89
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Reliability of the Risser+ grade for assessment of bone maturity in pediatric scoliosis cases: Investigation using standing and supine whole-spine radiograph J. Orthop. Sci. (IF 1.7) Pub Date : 2024-01-11 Takahiro Mui, Hideki Shigematsu, Masaki Ikejiri, Sachiko Kawasaki, Yasuhito Tanaka
Background Although several radiography-based systems for assessing skeletal maturity are available to clinicians, the classical Risser grading system remains a clinical gold standard. For scoliosis follow-up, a standing whole-spine radiograph is usually used. However, in our clinical practice, we have occasionally encountered cases in which ossification of the iliac crest is seen differently in the
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Estimated number of spine surgeries and related deaths in Japan from 2014 to 2020 J. Orthop. Sci. (IF 1.7) Pub Date : 2024-01-01 Kosei Nagata, Chang Chang, Mitsuhiro Nishizawa, Koji Yamada
Background The total number of spine surgeries per year and their related deaths in Japan has not been adequately estimated in the literature. Methods We retrospectively reviewed the National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB) between April 2014 to March 2021, which covers 99.9 % of health insurance claim receipts by general practitioners. The annual number
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A nationwide multicenter study of the cost effectiveness of five leading drugs for pharmacological management of cervicobrachial symptoms J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-26 Norimitsu Wakao, Takeo Furuya, Toshitaka Yoshii, Hideyuki Arima, Yu Yamato, Hiroaki Nakashima, Shiro Imagama, Yasuaki Imajo, Hiroshi Miyamoto, Gen Inoue, Masayuki Miyagi, Shunsuke Kanbara, Yoichi Iizuka, Hirotaka Chikuda, Kei Watanabe, Kazuyoshi Kobayashi, Mikito Tsushima, Masashi Miyazaki, Mitsuru Yagi, Satoshi Suzuki, Hirotaka Haro
Background Cervicobrachial pain frequently affects the quality of life (QOL) of the general public and has a significant economic impact on the health care systems of various countries. There are a number of treatment options for this disease, including widely-used drug therapy, but the effectiveness of each option is indeterminate, and there have been no published cost-effectiveness analysis studies
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Influence of changes in pelvic anteversion during gait on walking ability and physical function in patients with adult spinal deformity: A cross-sectional study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-26 Keita Sato, Toshikazu Ito, Tatsuya Endo, Takuya Miura, Masumi Iwabuchi, Osamu Shirado
Backgrounds Evaluation of gait posture using a three-dimensional motion analysis system (3DMAS) revealed that elderly patients with adult spinal deformity (ASD) experience pelvic anteversion while walking. The purpose of this study was to investigate the influence of changes in pelvic anteversion during gait on walking ability and physical function in patients with ASD. Methods Fifty-four patients
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Bone marrow edema in the acromioclavicular joint after arthroscopic rotator cuff repair J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-22 Yukihiro Kajita, Ryosuke Takahashi, Ryosuke Sagami, Yohei Harada, Yusuke Iwahori
Background Bone marrow edema (BME) in the acromioclavicular joint (ACj) may occur after arthroscopic rotator cuff repair (ARCR), resulting in persistent postoperative ACj pain. We investigated the incidence and clinical characteristics of BME in ACj after ARCR. Methods Patients exhibiting ACj-related symptoms prior to ARCR surgery, no BME in the ACj on MRI, and an ability to undergo 2-year postoperative
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Development of a clinical prediction rule for mobility status at discharge in patients with total knee arthroplasty: Using a decision tree model J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-18 Kenta Kuwahara, Toshihiro Kato, Yuko Akatsuka, Shigeto Nakazora, Aki Fukuda, Keiji Asada
Background Total knee arthroplasty (TKA) is an effective treatment to improve mobility in patients with severe knee osteoarthritis. However, some patients continue to have poor mobility after surgery. The preoperative identification of patients with poor mobility after TKA allows for better treatment selection and appropriate goal setting. The purpose of this study was to develop a clinical prediction
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Treatment experience with continuous local antibiotic perfusion for periprosthetic joint infection J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-15 Yoshiaki Miyake, Toru Takagi
Background Antibiotic concentrations 100–1000 times higher than the minimum inhibitory concentration are necessary for eradicating biofilms in periprosthetic joint infections (PJI). Achieving this with intravenous antibiotics is challenging, but continuous local antibiotic perfusion (CLAP) can increase the local concentration of antibiotics. Although there are several reports on CLAP therapy in the
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Predictive factors for reoperation after periprosthetic femoral fracture: A retrospective multicenter (TRON) study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-14 Manato Iwata, Yasuhiko Takegami, Katsuhiro Tokutake, Hiroshi Kurokawa, Hideomi Takami, Satoshi Terasawa, Tetsuro Takatsu, Shiro Imagama
Background The surgical treatment of periprosthetic femoral fracture (PFF) can be technically demanding and it is associated with high rates of complications and repeat surgery. However, repeat surgery is uncommon and few studies have examined survival and the functional prognosis following reoperation after the surgical treatment of PFF. We aimed to estimate the rate of reoperation for any reason
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Hip joint stress distribution changes depending on three-dimensional pelvic orientation: Finite-element analysis J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-07 Yumiko Ojima, Yusuke Matsuura, Sei Yano, Seiji Otori
Background Pelvis experiences changes in its orientation due to the alignment of the hip joint and spine, and its orientation might affect both joints. Pelvic tilt on the sagittal plane has been widely discussed; however, the pelvis is oriented also on the coronal and horizontal planes. This study aimed to examine how stress distribution on intact hip joint changes under the three-dimensional pelvic
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Characteristics of back pain in patients with adolescent idiopathic scoliosis: Considerations in candidates for corrective surgery J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-07 Yuta Kusabe, Toru Hirano, Ren Kikuchi, Masayuki Ohashi, Hideki Tashi, Yohei Shibuya, Tatsuo Makino, Kazuhiro Hasegawa, Naohito Tanabe, Kei Watanabe
Background Previous studies have demonstrated that the point prevalence of back pain ranges from 12 % to 33 % and that the lifetime prevalence of back pain ranges from 28 % to 51 % in adolescents. However, few studies on back pain in patients with Adolescent idiopathic scoliosis (AIS) have been conducted, and these studies had significant limitations, including a lack of comparative controls and detailed
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Lateral ulnar collateral ligament reconstruction enhancing secondary stabilizers in chronic PLRI of the elbow provides good to excellent clinical results with no recurrent instability J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-02 Nikolay Dimitrov, Tsvetan Tsenkov
Purpose The adopted treatment for chronic elbow PLRI is lateral ulnar collateral ligament reconstruction. However, the most frequently reported complication after primary reconstruction is recurrent instability – up to 25 %. It was thus hypothesized that enhancing the secondary stabilizers will provide successful results with a lower rate of recurrent instability in comparison to techniques with primary
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Efficacy of radial shock wave therapy on rat models of adjuvant arthritis J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-01 Yu Hiraoka, Nobuyasu Ochiai, Miyako Narita, Eiko Hashimoto, Shohei Ise, Kenta Inagaki, Fumiya Hattori, Seiji Ohtori
Background Extracorporeal shock wave therapy (ESWT) is an effective treatment for musculoskeletal pain, tendinopathy, and fasciitis with an anti-inflammatory effect. ESWT can be categorized into two groups: radial pressure wave (RPW) and focused shock wave (FSW). Although there have been several studies on the inflammation and pain-improvement mechanisms of FSW, there are few studies on the pain-improvement
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Associations of frailty with RA-ILD and poor control of disease activity in patients with rheumatoid arthritis: A multi-center retrospective observational study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-02 Yoshifumi Ohashi, Nobunori Takahashi, Yasumori Sobue, Mochihito Suzuki, Ryo Sato, Masataka Maeda, Daisuke Kihira, Kenji Kishimoto, Kenya Terabe, Shuji Asai, Shiro Imagama
Background This study aimed to investigate factors associated with frailty in rheumatoid arthritis (RA) patients. Methods A total of 656 RA patients were evaluated using data from an observational study in 2022. Among these patients, 152 with frailty were assigned to the frailty group, and 504 without frailty were assigned to the non-frailty group. Patient characteristics were compared between the
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Comment on Na et al.: Outcomes and complications after arthroplasty in patients with osteonecrosis of humeral head- systematic review J. Orthop. Sci. (IF 1.7) Pub Date : 2023-12-01 Caining Wen, Yuanmin Zhang, Yuge Zhang
Abstract not available
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Reply to letter to the editor by Zhang et al. J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-30 Sho Yanagisawa, Yoshiyasu Uchiyama, Yoshikazu Tanzawa, Takuya Watanabe, Masahiko Watanabe
Abstract not available
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Bone formation of the coracoid bone graft after the Bristow procedure assessed using three-dimensional computed tomography J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-28 So Minokawa, Yozo Shibata, Terufumi Shibata, Hidetomo Kosaka, Teruaki Izaki
Background The Bristow procedure has been shown to be a reliable method to prevent recurrent anterior shoulder instability by compensating for glenoid bone loss and producing the sling effect. The degree of postoperative morphological change in the coracoid bone graft is speculated to influence glenohumeral joint stability; however, the details of these changes after the Bristow procedure remain unknown
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Digital skin defect management: Hand and wrist volar flap solutions J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-25 Takuya Tsumura, Taiichi Matsumoto, Toshihide Imanaka, Hiromu Ito
Background Selecting the optimal flap for managing digit skin defects is challenging, particularly for inexperienced surgeons, given the numerous reconstructive options and insufficient evidence supporting one flap type's superiority over another. This retrospective study introduces four efficacious hand flaps to address volar skin defects and transverse and oblique cuts, examines the optimal flap
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Morphological and histological evaluation of the tendon-bone junction in porcine shoulders to create a rotator cuff tear and repair model J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-24 Hideyuki Sasanuma, Tsuneari Takahashi, Shigeo Kawai, Akihiro Saitsu, Wataru Kurashina, Yuki Iijima, Tomohiro Saito, Katsushi Takeshita
Background This study aimed to morphologically and histologically examine whether pig is useful as models for rotator cuff tear (RCT). Methods The morphology of the scapula and humerus bones was evaluated by taking X-ray and three-dimensional computed tomography (3D CT) scans of the right shoulders of five female pigs (age: 4 months). The rotator cuff (RC) footprint at the humeral insertion of these
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Do standardization of the procedure reduce measurement variability of the sonographic anterior drawer test of the ankle? J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-22 Shuhei Iwata, Satoshi Yamaguchi, Seiji Kimura, Soichi Hattori, Jun Sasahara, Ryuichiro Akagi, Kentaro Amaha, Tomonori Atsuta, Noriyuki Kanzaki, Koji Noguchi, Hirokazu Okada, Toru Omodani, Hiroshi Ohuchi, Hiroyuki Sato, Satoshi Takada, Kenji Takahashi, Yuichi Yamada, Tetsuro Yasui, Takuji Yokoe, Shun Fukushima, Seiji Ohtori
Background In quantitative ankle stress sonography, different examiners use different techniques, which may cause measurement variability. This study aimed to clarify whether standardizing stress sonography techniques reduces variability in the quantitative measurement of anterior talofibular ligament length change. Methods Fourteen examiners with a mean ultrasound experience of 8.7 years participated
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Wrong-level spine surgery: A multicenter retrospective study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-22 Ryohei Saito, Shunsuke Fujibayashi, Takayoshi Shimizu, Koichi Murata, Bungo Otsuki, Eijiro Onishi, Shuichi Matsuda, Tadashi Yasuda
Background Wrong-level spine surgery is a rare but serious complication of spinal surgery that increases patient harm and legal risks. Although such surgeries have been reported by many spine surgeons, they have not been adequately investigated. Therefore, this study aimed to examine the causes and preventive measures for wrong-level spine surgeries. Methods This study analyzed cases of wrong-level
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Differences in the microstructural and mechanical qualities of semitendinosus tendon grafts between skeletally immature and mature patients in anterior cruciate ligament reconstruction J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-18 Kazuki Asai, Junsuke Nakase, Toru Kuzumaki, Tatsuya Ishikawa, Noriyuki Ozaki, Hiroyuki Tsuchiya
Background This study aimed to investigate the microstructural and mechanical properties of semitendinosus tendon graft tissues during anterior cruciate ligament reconstruction and the clinical outcomes in skeletally immature and mature patients. Methods Twenty-two patients who underwent primary anterior cruciate ligament reconstruction using a hamstring tendon graft were analyzed and divided into
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Reply to letter to the editor by Yuhan Gong et al. J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-22 Mariana Rosada, Danielli Speciali, Felipe Bruno Dias de Oliveira, Rosana Ravagnani Campedelli, Henry Rodrigues, Eliane Antonioli, Mario Ferretti
Abstract not available
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Deaths caused by osteoporotic fractures in Japan: An epidemiological study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-18 Koki Abe, Kazuhide Inage, Kensuke Yoshimura, Daisuke Sato, Keishi Yamashita, Masaomi Yamashita, Toshihide Sasaki, Akiyoshi Yamaoka, Yasuhiro Shiga, Yawara Eguchi, Sumihisa Orita, Seiji Ohtori
Background Osteoporosis is a global issue with a worldwide prevalence of 18.3%, and the presence of coexisting fragility fractures can reduce the survival rate by approximately 20%. In Japan, the prevalence of osteoporosis is estimated to be 12.8 million, and the annual occurrence of hip fractures is approximately 193,400. Remarkably, coexisting hip or spinal fragility fractures caused by slight external
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Reply to letter to the editor by Wen et al. J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-18 Chul-Hyun Cho
Abstract not available
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Metatarsal sliding osteotomy is effective without altering plantar pressure in Morton's neuroma: Retrospective case series J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-11 Jae Wan Suh, Ho-Seong Jang, Kyu-Beom Kim, Ju Hyun Kim, Sung Joon Choi, Ka Ram Kim, In-Tak Chu, Hyun-Woo Park
Background Various operative methods for the treatment of Morton's neuroma have been discussed, and osteotomy of the metatarsal bone has been reported recently. However, there has been no report of pedobarographic changes after metatarsal osteotomy. Pedobarographic changes of other metatarsal area after the surgery may cause transfer metatarsalgia, and thorough analysis of the pedobarographic data
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The survey of bone allograft transplantation in a Japanese regional bone bank J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-10 Takamune Asamoto, Yusuke Osawa, Yasuhiko Takegami, Genta Takemoto, Daigo Komatsu, Taisuke Seki, Shiro Imagama
Background In reconstructive surgery for large bone defects, the demand for bone allografts has increased over the years; however, it is unclear how the supply and demand in Japanese regional bone banks have evolved over time. This study investigated the 15-year supply and demand of bone allografts stored in a regional bone bank, along with assessing the screening process's effectiveness. Methods The
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Outcomes and complications after treatment for anteromedial facet fracture of the coronoid process: A systematic review J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-10 Du-Han Kim, Beom-Soo Kim, Ji-Hoon Kim, Chul-Hyun Cho
Background Fracture of the anteromedial facet (AMF) of the coronoid process is associated with varus posteromedial rotatory instability (VPMRI). However, there is still controversy regarding the optimal treatment for AMF fracture. The purpose of this study is to report on a systematic review of the outcomes and complications after treatment for AMF fracture. Methods This study was conducted using electronic
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Predictors of conversion surgery after conservative treatment for pyogenic spondylitis J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-07 Tetsuhiko Inoue, Naomi Kobayashi, Noriyuki Baba, Manabu Ide, Takayuki Higashi, Yutaka Inaba
Background Patient demographic and clinical characteristics may be factors associated with the success of conservative treatment for pyogenic spondylitis. The ability of imaging findings at initial diagnosis to predict patient outcomes remains unclear. The aim of this study was to investigate the risk factors associated with conversion surgery after conservative treatment for pyogenic spondylitis,
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Circulating miRNA-122 is associated with knee osteoarthritis progression: A 6-year longitudinal cohort study in the Yakumo study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-07 Hiroto Funahashi, Yasuhiko Takegami, Yusuke Osawa, Hiroaki Nakashima, Shinya Ishizuka, Ryosuke Fujii, Hiroya Yamada, Koji Suzuki, Yukiharu Hasegawa, Shiro Imagama
Objective The association between knee osteoarthritis (OA) and miRNAs has been widely reported. However, the utility of miRNAs as predictors of knee osteoarthritis (KOA) progression in longitudinal studies has not been reported. We aimed to identify circulating miRNAs (c-miRNAs) associated with KOA progression in the general population and to examine their potential use as predictors of KOA progression
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Quantitative evaluation of calcaneofibular ligament injury on the oblique coronal view of magnetic resonance imaging in chronic lateral ankle instability J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-04 Akinori Nekomoto, Tomoyuki Nakasa, Yasunari Ikuta, Yasuteru Shimamura, Naoyuki Kitamura, Junichi Sumii, Shingo Kawabata, Nobuo Adachi
Background In the treatment of chronic lateral ankle instability (CLAI), the repair of the calcaneofibular ligament (CFL) and anterior talofibular ligament (ATFL) is still being discussed, possibly due to the difficulty in assessing CFL injuries. In particular, it is challenging to evaluate the extent of CFL deficiency quantitively. We hypothesized that CFL tension change would alter morphology of
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JCOA The Japanese Clinical Orthopaedic Association the questionnaire survey on the physical changes after the self-restraint of outdoor activities with the COVID-19 crisis (2nd report) J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-06 Motoshige Nikaido, Sadao Arai, Shohiro Hayashi, Keiji Fujino
Background In March 2021, the 3rd wave of COVID-19 pandemic had ended and the second emergency declaration in January in Tokyo and 3 other prefectures had been lifted. The restrictions on the social activities imposed on the Japanese people and it had become established as “the new lifestyle norm” for each age group. Following our first survey, we conducted a questionnaire survey again to determine
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Femoral prosthesis alignment of augmented reality-assisted versus accelerometer-based navigation in total knee arthroplasty: A noninferiority analysis J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-03 Sachiyuki Tsukada, Kazuha Kizaki, Masayoshi Saito, Kenji Kurosaka, Naoyuki Hirasawa, Hiroyuki Ogawa
Introduction The purpose of this study was to examine the comparative precision of the augmented reality (AR)-assisted navigation system and the accelerometer-based navigation system in total knee arthroplasty (TKA). Materials and methods We performed noninferiority analysis in a retrospective cohort. The coronal alignment of femoral prosthesis was compared between 109 TKAs performed using the AR-assisted
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Reliability and validity of an adapted Arabic version of Scoliosis Japanese Questionnaire-27 in Saudi Arabia J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-03 Abdulmajeed Alzakri
Background The Scoliosis Research Society SRS-22 questionnaire is a standard tool to assess the Health-Related Quality of Life (HRQoL) in scoliosis patients but, because of cultural differences limited use among Arabic patients. The aim is to perform a cross-cultural adaptation and validation of Arabic version of Scoliosis Japanese Questionnaire-27 and test it on Saudi patients with adolescent idiopathic
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Long-term antibacterial activity of silver-containing hydroxyapatite coatings against Staphylococcus aureus in vitro and in vivo J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-02 Sakumo Kii, Hiroshi Miyamoto, Masaya Ueno, Iwao Noda, Akira Hashimoto, Takema Nakashima, Takeo Shobuike, Shunsuke Kawano, Motoki Sonohata, Masaaki Mawatari
Background The potential of silver-containing hydroxyapatite (Ag-HA) coatings to prevent orthopaedic implant-associated infection was explored previously; however, the resistance of Ag-HA coatings to late-onset orthopaedic infections is unknown. This study aimed to evaluate the long-term Ag+ elution and antibacterial properties of the Ag-HA coatings through in vitro and in vivo experiments. Methods
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Comment on Mariana Rosada et al.: Eight weeks of a lower limb resistance training protocol and gait performance in patients with symptomatic mild to moderate knee osteoarthritis J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-04 Yuhan Gong, Hui Ma, Xiaowei Zhao
Abstract not available
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Gap between the prevalence of and consultation rate for lumbopelvic pain in postnatal Japanese women J. Orthop. Sci. (IF 1.7) Pub Date : 2023-11-03 Tomoe Inoue-Hirakawa, Saki Iguchi, Daisuke Matsumoto, Yuu Kajiwara, Tomoki Aoyama, Rika Kawabe, Hideshi Sugiura, Yasushi Uchiyama
Background We aimed to assess the prevalence of lumbopelvic pain (LPP), including low back pain (LBP) and/or pelvic girdle pain (PGP), consultation rate, and desire for treatment of postnatal Japanese women. Methods We performed a cross-sectional study of 98 postnatal Japanese women within 1 year of childbirth. We retrospectively evaluated the prevalence of LBP before and during pregnancy and the prevalence
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Does surgical site infection affect patient-reported outcomes after spinal surgery? A multicenter cohort study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-28 Hideki Nakamoto, Koji Nakajima, Junya Miyahara, So Kato, Toru Doi, Yuki Taniguchi, Yoshitaka Matsubayashi, Mitsuhiro Nishizawa, Naohiro Kawamura, Yudai Kumanomido, Akiro Higashikawa, Katsuyuki Sasaki, Yujiro Takeshita, Masayoshi Fukushima, Masaaki Iizuka, Takashi Ono, Jim Yu, Nobuhiro Hara, Naoki Okamoto, Seiichi Azuma, Yasushi Oshima
Background Surgical site infections are common in spinal surgeries. It is uncertain whether outcomes in spine surgery patients with vs. without surgical site infection are equivalent. Therefore, we assessed the effects of surgical site infection on postoperative patient-reported outcomes. Methods We enrolled patients who underwent elective spine surgery at 12 hospitals between April 2017 and February
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Comment on Yanagisawa et al.: Comparison of the clinical outcomes of intramedullary nailing between impending and completed pathological fractures caused by metastatic femoral tumors from solid cancers J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-31 Sheng Zhao, Jingzhi Wang, Caining Wen, Yuanmin Zhang
Abstract not available
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Effect of lumbar lordosis angle on the development of lumbar spondylolysis in adolescent baseball players: A cross-sectional study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-25 Yuki Onoda, Takashi Kitagawa
Background Lumbar spondylolysis (LS) is a lumbar vertebral arch stress fracture that often occurs in adolescent athletes, especially baseball players. An increase in lumbar lordosis angle (LLA) increases the compressive stress on the vertebral arch, influencing the development of LS. However, the effect of LLA on LS development in adolescent baseball players is unknown. Therefore, it is necessary to
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The prevalence and characteristics of diffuse idiopathic skeletal hyperostosis in the community-living middle-aged and elderly population: The Yakumo study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-21 Kazuma Ohshima, Hiroaki Nakashima, Naoki Segi, Sadayuki Ito, Jun Ouchida, Yasuhiko Takegami, Shinya Ishizuka, Yukiharu Hasegawa, Shiro Imagama
Background The incidence of diffuse idiopathic skeletal hyperostosis (DISH) is increasing with the aging of the population. Asymptomatic DISH can decrease the spinal range of motion (ROM) and cause fractures. However, the prevalence or physical function of patients with DISH before experiencing fractures and other serious conditions is unclear. This study aimed to investigate the prevalence of DISH
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Observational study of ropivacaine and compound betamethasone mixture for analgesia after triangular fibrocartilage complex repair under wrist arthroscopy: A single-center randomized double-blind controlled trial J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-19 Xinzhu Wang, Yansheng Wang, Ning Yu, Hui Xu, Zeming Lei
Background The purpose of this study was to investigate the clinical effect of an intra-articular and local infiltration injection of a compound analgesic mixture of ropivacaine and compound betamethasone on the repair of the triangular fibrocartilage complex under wrist arthroscopy. Methods This prospective, double-blind, randomized study involved 20 patients with Atzei type 2 or 3 injuries of the
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Superior gluteal artery injury in pelvic ring injury and acetabular fracture: Single center observational study J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-20 Hoon Kwon, Jae Hoon Jang, Nam Hoon Moon, Seung Joon Rhee, Dong Yeon Ryu, Tae Young Ahn
Background Intrapelvic hemorrhage following pelvic fractures, including pelvic ring and acetabular fractures, originates from the venous system and the fracture. Arterial injury often causes significant bleeding and hemodynamic instability. The superior gluteal artery (SGA) is a frequently injured artery in patients with pelvic fractures. This study investigated the incidence and pattern of SGA injuries
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The influence of COVID-19 epidemic on the number of orthopaedic surgeries in Japan J. Orthop. Sci. (IF 1.7) Pub Date : 2023-10-19 Koji Yamada, Tomohiro Shinozaki, Junji Ito, Susumu Nakajima, Koichi Nakagawa, Takeo Furuya, Kanichiro Wada, Naomi Kobayashi, Naoto Shiba, Yoshitomo Kajino, Naohiro Kawamura, Daisuke Hamada, Yasunori Tome, Akira Nishimoto, Toshinori Sakai, Kazutoshi Hasegawa, Yuki Iijima, Katsushi Takeshita, Yasuharu Nakashima
Background There is limited data on the impact of COVID-19 epidemic on the number of orthopaedic surgeries in Japan. Methods We conducted a nationwide hospital survey asking for the monthly number of orthopaedic surgeries performed at each facility from January 2019 to June 2021. Those facilities that had performed at least 100 surgeries in 2019 were included for analyses. The facilities were further