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

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https://www.readbyqxmd.com/read/28818570/prevalence-and-risk-factors-of-deep-vein-thrombosis-in-patients-undergoing-lumbar-spine-surgery
#1
Koji Yamasaki, Masahiro Hoshino, Keita Omori, Hidetoshi Igarashi, Takashi Tsuruta, Hiroyuki Miyakata, Yasuhiro Nemoto, Hiromi Matsuzaki, Takanori Iriuchishima
BACKGROUND: Spinal surgery is classified as a moderate risk for DVT. The occurrence of DVT after various spinal surgical procedures was reviewed retrospectively, and the perioperative risk factors in the high-risk group were identified. In addition, the administration of the factor Xa inhibitor to DVT subjects with unstable thrombosis was evaluated to reveal its effectiveness in the prevention of PTE and postoperative complications. METHODS: This study included 588 subjects who underwent lumbar spine surgery...
August 14, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28818569/two-cases-of-pelvic-sarcoma-in-the-acetabulum-with-10-year-follow-ups-after-carbon-ion-radiotherapy
#2
Katsuhisa Kawanami, Toshihiro Matsuo, Keiji Sato, Reiko Imai, Mitsuhiro Kamiya, Norimitsu Wakao, Atsuhiko Hirasawa, Masataka Deie
No abstract text is available yet for this article.
August 14, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28811142/anatomical-analysis-of-human-ligamentum-flavum-in-the-cervical-spine-special-consideration-to-the-attachments-coverage-and-lateral-extent
#3
Mohammad Suhrab Rahmani, Hidetomi Terai, Javid Akhgar, Akinobu Suzuki, Hiromitsu Toyoda, Masatoshi Hoshino, Koji Tamai, Sayed Abdullah Ahmadi, Kazunori Hayashi, Shinji Takahashi, Hiroaki Nakamura
BACKGROUND: Posterior decompression surgeries of cervical spine such as laminoplasty and laminoforaminotomy are well established and increasing in aging population. The anatomical knowledge of cervical ligamentum flavum (LF) is critical to perform posterior spinal surgeries, however, few studies have evaluated it, especially the relation of LF and neural foramen. METHODS: The whole spine was removed en bloc from 15 formalin-embalmed human cadavers and then divided into two segments along the pedicle bases...
August 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28807742/a-cost-utility-analysis-of-dynesys-dynamic-stabilization-versus-instrumented-fusion-for-the-treatment-of-degenerative-lumbar-spine-diseases
#4
Kan Liu, Wei Sun, Qiang Lu, Jiying Chen, Jiaguang Tang
BACKGROUND: Symptomatic chronic low back and leg pain resulting from lumbar spine degenerative disorders is highly prevalent in China, and for some patients, surgery is the final option for improvement. Several techniques for spinal non-fusion have been introduced to reduce the side-effects of fusion methods and hasten postoperative recovery. In this study, the authors have evaluated the cost-effectiveness of Dynesys posterior dynamic stabilization system (DY) compared with lumbar fusion techniques in the treatment of single-level degenerative lumbar spinal conditions...
August 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28807741/importance-of-orthopedic-research-and-the-32nd-annual-research-meeting-of-the-japanese-orthopaedic-association
#5
EDITORIAL
Fuminori Kanaya
No abstract text is available yet for this article.
August 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28802716/presence-of-modic-type-1-change-increases-risk-of-postoperative-pyogenic-discitis-following-decompression-surgery-for-lumbar-canal-stenosis
#6
Ken Ninomiya, Nobuyuki Fujita, Naobumi Hosogane, Tomohiro Hikata, Kota Watanabe, Osahiko Tsuji, Narihito Nagoshi, Mitsuru Yagi, Shinjiro Kaneko, Yasuyuki Fukui, Takahiro Koyanagi, Tateru Shiraishi, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Ken Ishii
STUDY DESIGN: Multicenter retrospective study. BACKGROUND: Postoperative surgical site infection is one of the most serious complications following spine surgery. Previous studies do not appear to have investigated pyogenic discitis following lumbar laminectomy without discectomy. This study aimed to identify risk factors for postoperative pyogenic discitis following lumbar decompression surgery. METHODS: We examined data from 2721 patients undergoing lumbar laminectomy without discectomy in five hospitals from April 2007 to March 2012...
August 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28801132/in-vivo-imaging-of-the-sentinel-vein-using-the-near-infrared-vascular-imaging-system-in-hallux-valgus-patients
#7
Tomoyuki Nakasa, Masakazu Ishikawa, Yasunari Ikuta, Masahiro Yoshikawa, Mikiya Sawa, Yusuke Tsuyuguchi, Nobuo Adachi
BACKGROUND: A high incidence of dorsomedial cutaneous nerve (DMCN) damage in hallux valgus surgery has been reported. Identification of the vein around 1st metatarsal head is reported to be helpful to reduce the DMCN damage during surgery. The near-infrared (NIR) vascular imaging system, the VeinViewer(®) Flex, projects the vein onto the skin. The purpose of this study was to investigate the difference of the vein course between normal and hallux valgus foot using the VeinViewer(®) Flex, and to validate that the DMCN was accompanied with its vein...
August 8, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28789822/analysis-of-follow-up-data-from-an-outpatient-pain-management-program-for-refractory-chronic-pain
#8
Masayuki Inoue, Tatsunori Ikemoto, Shinsuke Inoue, Masatoshi Nakata, Makoto Nishihara, Young-Chang P Arai, Hirofumi Miyagawa, Kazuhiro Shimo, Hiroki Iida, Tomomi Hasegawa, Toshiko Wakabayashi, Hiroki Sakurai, Yoshinobu Hasegawa, Keiko Owari, Noboru Hatakeyama, Takahiro Ushida
BACKGROUND: Numerous reports indicate that multifaceted pain management programs based on cognitive-behavioral principles are associated with clinically meaningful long-term improvements in chronic pain. However, this has not yet been investigated in Japan. This study investigated the effects of a multifaceted pain management program in Japanese patients with chronic pain, both immediately after the program and 6 months thereafter. METHODS: A total of 96 patients, 37 male and 59 female (mean age 63...
August 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28784566/preoperative-evaluation-of-renal-cell-carcinoma-patients-with-bone-metastases-on-risks-for-blood-loss-performance-status-and-lethal-event
#9
Akira Yoshiyama, Takeshi Morii, Michiro Susa, Hideo Morioka, Eisuke Kobayashi, Naofumi Asano, Tomoaki Mori, Ukei Anazawa, Itsuo Watanabe, Katsuhito Takeuchi, Yu Kushima, Takayuki Aoyagi, Shoichi Ichimura
BACKGROUND: Surgical treatment for renal cell carcinoma metastases can be an effective modality for improving survival and patients' quality of life. However, it is often difficult to decide on the optimal surgical approach due to the lesion's high vascularity and uncertainty regarding postoperative performance status and survival. PATIENTS AND METHODS: Blood loss, postoperative performance status, overall survival, postoperative complication and related risk factors for surgical treatment were analysed in 61 renal cell carcinoma patients with bone metastases...
August 4, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28755797/internal-iliac-artery-injury-due-to-intrapelvic-migration-of-infected-acetabular-reconstruction-cage-with-hook-a-case-report
#10
Asep Santoso, Taek-Rim Yoon, Hong-Yeol Yang, Kyung-Soon Park
No abstract text is available yet for this article.
July 26, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28754502/the-impact-of-musculoskeletal-diseases-on-mortality-comparison-with-internal-diseases-a-15-year-longitudinal-study
#11
Takehiro Kasai, Yukiharu Hasegawa, Shiro Imagama, Tadahiro Sakai, Kenji Wakai, Koji Suzuki, Naoki Ishiguro
BACKGROUND: Aging is associated with an increased incidence of diabetes (DM), hypertension (HT), hyperlipidemia (HL), as well as musculoskeletal disorders, such as osteoarthritis (OA) and osteoporosis (OP). However, the impact of musculoskeletal disorders on mortality remains unclear. This study investigated the risk of mortality if having knee OA or OP. METHODS: 601 participants (mean age 67.8 ± 5.3 years) who underwent musculoskeletal check-ups in Yakumo town were enrolled in this study, 248 were males and 353 were females...
July 25, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28754501/flexor-carpi-radialis-brevis-muscle-a-case-report-and-its-prevalence-in%C3%A2-patients-with-carpal-tunnel-syndrome
#12
Tetsuhiko Mimura, Shigeharu Uchiyama, Masanori Hayashi, Kazutaka Uemura, Hideki Moriya, Hiroyuki Kato
BACKGROUND: During the surgery for a distal radius fracture, we encountered a large anomalous muscle lying across the distal radius. The muscle was identified as a flexor carpi radialis brevis muscle (FCRB), based on its location, function, and innervation. This experience led us to clarify its prevalence in living subjects and alert surgeons of its presence. METHODS: We reviewed wrist MRI scans of 515 hands of 379 patients with carpal tunnel syndrome (CTS). The prevalence of the FCRB was calculated...
July 25, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28739023/suture-bridge-transosseous-equivalent-repair-is-stronger-than-transosseous-tied-braided-tape
#13
Jérémie Ménard, Benjamin Léger-St-Jean, Frédéric Balg, Yvan Petit, Marc Beauchamp, Dominique M Rouleau
BACKGROUND: This study biomechanically compares two methods of supraspinatus repair: single row transosseous braided-tape (BT) and suture bridge transosseous equivalent (SBTE) with 2 medial anchors and 2 lateral anchors. The purpose is to test the hypothesis that BT provides superior or equal biomechanical strength compared to SBTE. METHODS: Nine pairs of frozen cadaveric shoulders were selected and both repair techniques were tested on each pair, using a biomechanical testing unit to measure cyclic loading and ultimate load to failure...
July 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28735881/recurrent-bilateral-quadriceps-tendon-rupture-due-to-indirect-trauma-in-a-patient-with-sickle-cell-trait-a-case-report
#14
Nathan Sherman, Rory Sandberg, Jolene Hardy
No abstract text is available yet for this article.
July 20, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28735880/age-does-not-affect-the-outcome-after-digital-nerve-repair-in-children-a-retrospective-long-term-follow-up
#15
Hans-Eric Rosberg, Derya Burcu Hazer Rosberg, Illugi Birkisson, Lars B Dahlin
BACKGROUND: Digital nerve injuries in children are not common, but they are considered to have an excellent prognosis, compared to adults, after nerve injury and repair. In studies including both children and adults age have been found to have an effect on outcome after nerve repair. METHODS: We investigated in a retrospective follow up study the long-time result after digital nerve injury and repair in children, 1-16 years of age (n = 38), and evaluate if age influences outcome...
July 20, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28734667/characterization-of-cartilage-defects-detected-by-mri-in-kellgren-lawrence-grade-0-or-1-knees
#16
Kenji Taguchi, Ko Chiba, Narihiro Okazaki, Yasuo Kido, Takashi Miyamoto, Akihiko Yonekura, Masato Tomita, Masataka Uetani, Makoto Osaki
INTRODUCTION: Osteoarthritis of the knee is generally evaluated by plain X-rays, which are incapable of detecting small cartilage damage. There are some patients who have small cartilage defects on MRI with no abnormal findings on plain X-rays. In this study, the prevalence and regional characteristics of cartilage defects detected by MRI were studied in cases with normal X-ray findings (Kellgren-Lawrence grade 0 and 1). Relationships between the cartilage defects and OA risk factors such as obesity and leg alignment were also investigated...
July 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28728988/survey-of-hip-fractures-in-japan-recent-trends-in-prevalence-and-treatment
#17
Hiroshi Hagino, Naoto Endo, Atsushi Harada, Jun Iwamoto, Tasuku Mashiba, Satoshi Mori, Seiji Ohtori, Akinori Sakai, Junichi Takada, Tetsuji Yamamoto
BACKGROUND: A nationwide survey of hip fractures by the Japanese Orthopaedic Association (JOA) from 1998 to 2008 found a drastic increase in incidence. The aims of this study were to elucidate the status of hip fractures from 2009 to 2014 and to survey the causes for delayed surgery. METHODS: A tally of all hip fractures that occurred in patients from 2009 to 2014 was conducted in hospitals authorized by the JOA or in clinics with inpatient facilities of the Japanese Clinical Orthopaedic Association (JCOA)...
July 17, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28712926/glenohumeral-arthritis-after-latarjet-procedure-progression-and-it-s-clinical-significance
#18
Young Moon Kee, Hwan Jin Kim, Jung Youn Kim, Yong Girl Rhee
BACKGROUND: The risk factors of glenohumeral arthritis after the Latarjet procedure remain relatively unexplored. The purposes of this study are to evaluate the clinical significance of glenohumeral arthritis after the Latarjet procedure, and to investigate risk factors associated with arthritis progression. METHODS: We evaluated 110 patients (110 shoulders) who underwent the Latarjet procedure for recurrent anterior shoulder instability. Patients had a mean age of 23...
July 13, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28711412/clinical-outcomes-of-patients-80%C3%A2-years-of-age-and-older-with-soft-tissue-sarcoma
#19
Masanori Okamoto, Yasuo Yoshimura, Kaoru Aoki, Munehisa Kito, Atsushi Tanaka, Shuichiro Suzuki, Akira Takazawa, Ken'ichi Isobe, Hiroyuki Kato
OBJECTIVES: Although soft tissue sarcoma (STS) is rare, its incidence is increasing among older patients. Few studies have compared the outcomes between conservative and surgical treatments for STS patients aged ≥80 years. We assessed the outcomes of both treatments in this population and the association between older age and surgical outcome. METHODS: We recruited consecutive patients with STS aged ≥80 years treated at our institution between January 2006 and May 2014...
July 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28709834/radiological-degenerative-changes-in-the-distal-radioulnar-joint-after-ulnar-shortening-osteotomy-in-patients-with-idiopathic-ulnar-impaction-syndrome-analysis-of-factors-affecting-degenerative-lesions
#20
Soo Min Cha, Byong San Choi, Hyun Dae Shin
PURPOSE: To identify factors influencing overall radiologic changes in the distal radioulnar joint after ulnar shortening osteotomy (USO) in patients with idiopathic ulnar impaction syndrome. MATERIALS AND METHODS: A total of 310 patients who had undergone USO between May 2007 and December 2013 were included in this retrospective case-control study. The patients were classified into two groups (with or without radiologic findings of new arthritic changes), after which the following factors were analyzed: 1) demographic factors; 2) radiologic aspects, including ulnar variance (UV), morphological DRUJ type (classified according to Tolat et al...
July 11, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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