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https://www.readbyqxmd.com/read/29457420/-treatment-of-intercondylar-fracture-of-the-humerus-through-internal-and-external-elbow-approach-or-elbow-posterior-olecranon-osteotomy-approach
#1
Yun-Xiang Zhong, Xiong-Hui Zhang, Guo-Xiong Cai, Hong-Zhi Zhou, Wen-Li Yang, Xi-Bin Pan, Long-Zhou Guan, Huo-Ling Zhang
OBJECTIVE: To investigate the efficacy, advantages and disadvantages of internal and external elbow joint approach and olecranon osteotomy approach for the treatment of intercondylar fracture of humerus. METHODS: From October 2012 to May 2016, 18 cases of intercondylar fracture of humerus were treated by operation including 12 males and 6 females with a mean age of 33.5 years old (ranged from 4 to 56 years old); 8 cases were operated by internal and external elbow joint approach, 10 cases were operated by olecranon osteotomy approach...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457398/-clinical-outcome-analysis-on-using-extensor-digitorum-communis-splitting-approach-for-the-treatment-of-radial-head-fractures
#2
Guan-Yi Liu, Ling-Yong Jing, Zhi-Jun Pan, Long-Jun Chen, Ming Li, Jian-Xiang Feng, Wei-Hu Ma
OBJECTIVE: To explore the clinical outcomes of internal fixation or replacement for the treatment of radial head fractures through the extensor digitorum communis splitting approach. METHODS: From July 2012 to May 2015, 25 patients with radial head fractures were reviewed. There were 17 males and 8 females, ranging in age from 20 to 67 years old, with a mean age of 39 years old. Twenty-one patients were treated with reconstruction of plate internal fixation, and 4 patients were treated with radial head replacement...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457112/anesthetic-management-during-a-cesarean-section-in-a-patient-with-cleidocranial-dysplasia-a-case-report
#3
Yumiko Nishio, Teruyuki Hiraki, Hiroko Taniguchi, Kazuo Ushijima
Background: Cleidocranial dysplasia is a type of skeletal dysplasia, which is primarily characterized by delayed ossification of skeletal structures. It causes facial and oral abnormalities, resulting in difficult airway management and neuraxial anesthesia. Case presentation: The patient was a 24-year-old primipara (height 138 cm, weight 42 kg) with a hypoplastic right clavicle, patent fontanelles, dental malalignment, and a high palate. She was diagnosed with cleidocranial dysplasia at birth, although gene examination has not been performed...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456974/evaluation-of-outcomes-of-open-reduction-and-internal-fixation-surgery-in-patients-with-type-c-distal-humeral-fractures
#4
Mohammadhadi Nouraei, Mehdi Motififar, Morteza Barazandeh
Background: In this study, functional state of patients with Type C distal humerus fractures undergone surgical plating was evaluated 6 and 12 months after the surgery in order to record postsurgical factors such as pain level and job/performance satisfaction. Materials and Methods: In this cross-sectional study, 46 patients with humerus fractures were recruited and their ability to do daily tasks, presence of degenerative changes, stability of elbow joint, and range of motion was evaluated...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29456759/ossification-of-the-phalanges-of-the-foot-and-its-relationship-to-peak-height-velocity-and-the-calcaneal-system
#5
M R Garcia, A D Nicholson, A M Nduaguba, J O Sanders, R W Liu, D R Cooperman
Purpose: There are multiple skeletal maturity grading systems, but none of them utilizes the phalanges of the foot. To minimize radiation, it would be ideal if one could assess the skeletal maturity of a foot based on bones seen on routine foot radiographs, if guided growth is being considered as a treatment option. We developed a system that correlates changes of the appearance of the foot phalanges to peak height velocity (PHV) and the recently described calcaneal apophyseal ossification grading system...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29456758/binary-and-analogue-markers-of-skeletal-maturity-clinical-utility-of-the-thenar-and-plantar-sesamoids
#6
A D Nicholson, J O Sanders, R W Liu, D R Cooperman
Purpose: We investigate the thenar and plantar sesamoids as markers of skeletal maturity, and grade appearance using two scales, a binary system (absent or present), and an analogue system that relies upon judging regular changes in morphological appearance. Methods: We studied 94 healthy children (49 female and 45 male patients) between ages three and 18 years who had approximately 700 serially acquired sets of radiographs and physical examinations. The children had at least annual radiographs taken of the left hand and left foot...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29455507/-effect-and-mechanism-of-total-flavone-of-epimedium-on-primary-callus-formation-in-ovariectomized-rats-with-fractures
#7
Xiao-Lin Shi, Bo-Cheng Liang, Peng Wu, Bo Wang, Zhen-Yu Shi, Ling-Cheng Kong, Jian-Liang Yao, Jun-Jun Huang, Chun-Wen Li
OBJECTIVE: To explore the effects and related mechanisms of total flavone of epimedium treatment(TFE)on primary callus for mation in ovariectomized rats. METHODS: Forty male SD rats weighted from 209 to 246 g and aged 6 to 8 weeks were selected. Six weeks after ovariectomy a femur fracture model with middiaphyseal segment fracture was established, estimated and randomly divided into TFE group (150 mg·kg⁻¹·d⁻¹) and control group(received saline). HE staining was used to evaluate the morphologic difference of primary callus during the bone callus healing between these two groups...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455506/-application-of-greater-trochanteric-slide-osteotomy-in-total-hip-arthroplasty-for-stiff-hip
#8
Wen-Lin Hu, Zhan-Feng Zhang, Li-Hua Shi
OBJECTIVE: To study the effect of greater trochanteric slide osteotomy(GTSO) in total hip arthroplasty (THA) for the treatment of stiff hip, as well as the potential complications. METHODS: There were 12 cases enrolled in the study from April 2010 to December 2014, including 9 males and 3 females. The mean age was 49.9 years old (ranged, 37 to 62 years old). The clinical result was evaluated according to the Harris evaluation system, and the radiological evaluations included the healing of the osteotomy, the stability of the prosthesis, and occurrence of heterotopic ossification (HA)...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455489/-causes-prevention-and-treatment-for-cerebrospinal-leak-after-lumbar-revision-surgery
#9
Yan-Sheng Huang, Hai-Ping Zhang, Xing-Bang Niu, Shao-Yan Shi, Ding-Jun Hao
OBJECTIVE: To analyze the causes and explore the measures of prevention and treatment of the cerebrospinal leak after lumbar revision surgery. METHODS: The clinical data of 24 patients(17.78%) with cerebrospinal leak among 135 cases after lumbar revision surgery from January 2011 to January 2016 was retrospectively studied. Of them, 12 cases due to severe adhesion caused by scar formation; 4 cases due to yellow ligament hyperplasia adhesion with dura mater occurred dural tears when separating adhesion; 2 cases with severe hyperplasia and ossification of lumbar posterior longitudinal ligament occurred dural tears when revealing intervertebral disk; 2 cases due to improper nailing happened dural tears during operation...
September 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455488/-analysis-of-clinical-effects-of-absorbable-hemostatic-fluid-gelatin-and-absorbable-gelatin-sponge-on-the-hemostasis-during-operation-of-unilateral-open-door-cervical-expansive-laminoplasty
#10
Guang-Zhou Li, Ying Hong, Hao Liu, Li-Tai Ma, Yi Yang, Chen Ding, Bei-Yu Wang, Hua Chen
OBJECTIVE: To compare the hemostatic effect between absorbable hemostatic fluid gelatin (HFG) and absorbable gelatin sponge(GS) during operation of unilateral open-door cervical expansive laminoplasty. METHODS: The clinical data of 83 patients underwent unilateral open-door cervical expansive laminoplasty from February 2014 to May 2016 were retrospectively analyzed. According to the used hemostatic materials, patients were divided into two groups. In HFG group, there were 30 males and 11 females, ranging in age from 29 to 81 years, with an average of(55...
September 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455487/-french-door-segmented-laminectomy-decompression-for-severe-cervical-ossification-of-posterior-longitudinal-ligament-complicated-with-spinal-cord-injury
#11
Wei-Yu Jiang, Wei-Hu Ma, Yong-Jie Gu, Liu-Jun Zhao, Xu-Dong Hu, Liang Yu, Chao-Yue Ruan, Yun-Lin Chen, Yue-Ling Feng
OBJECTIVE: To evaluate the clinical effects of French door segmented laminectomy decompression for severe cervical OPLL complicated with spinal cord injury. METHODS: The clinical data of 38 patients with serious cervical OPLL complicated with spinal cord injury were retrospectively analyzed and these patients were treated with French door segmented laminectomy decompression and internal fixation from June 2012 to June 2014. There were 25 males and 13 females, aged from 42 to 78 years with an average of 58...
September 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29454045/transforaminal-en-bloc-resection-for-the-treatment-of-thoracic-ossification-of-the-ligamentum-flavum-retrospective-cohort-study
#12
Chao-Hui Wang, Wei-Liang Cui, Jing-Lai Xue, Zhong Liao
BACKGROUND: Our purpose is to introduce transforaminal en bloc resection for the treatment of thoracic ossification of ligamentum flavum, and report outcomes of the procedure. PATIENTS AND METHODS: The record of patients with symptomatic thoracic ossification of the ligamentum flavum who received transforaminal en block resection from October 2010 to September 2014 were retrospectively reviewed. Outcomes were Japanese Orthopaedic Association (JOA) lower extremity motor dysfunction and sphincter dysfunction scores...
February 14, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29452881/tenosynovial-chondromatosis-of-the-wrist-presenting-with-acute-carpal-tunnel-syndrome-a-case-report
#13
L K Head, R Bradley, M Momtazi
We report a case of synovial chondromatosis of the wrist that manifested as acute carpal tunnel syndrome. The patient successfully underwent carpal tunnel release, tenosynovectomy and resection of dorsal and volar ossified bodies embedded in the tenosynovium overlying the wrist. Final histopathology confirmed the diagnosis of synovial chondromatosis. The patient's symptoms of pain, numbness, and paresthesia in a median nerve distribution resolved completely and the patient resumed full-time work in the service industry 4-weeks postoperatively with no functional limitations...
February 13, 2018: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/29452792/clinical-and-radiological-features-of-spinal-extradural-arachnoid-cysts-valve-like-mechanism-involving-the-nerve-root-fiber-as-a-possible-cause-of-cyst-expansion
#14
Kazuaki Morizane, Shunsuke Fujibayashi, Bungo Otsuki, Takeshi Sakamoto, Ryosuke Tsutsumi, Seiichi Odate, Akira Kusuba, Shuichi Matsuda
BACKGROUND: Although a valve-like mechanism has been proposed for expansion of spinal extradural arachnoid cysts (SEACs), the detailed mechanism remains unclear. Moreover, closure of the communication site is essential during surgery, but the method to identify the communication site remains unclear. The aim of this study was to determine the detailed mechanism of expanding SEACs through retrospective analysis of SEAC cases undergoing surgery and to elucidate the characteristics of the communication sites...
February 13, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29452246/bmp-signalling-driven-osteogenesis-is-critically-dependent-on-prdx-1-expression-mediated-maintenance-of-chondrocyte-prehypetrophy
#15
Yogesh Kumar, Tathagata Biswas, Gatha Thacker, Jitendra Kumar Kanaujiya, Sandeep Kumar, Anukampa Shukla, Kainat Khan, Sabyasachi Sanyal, Naibedya Chattopadhyay, Amitabha Bandyopadhyay, Arun Kumar Trivedi
During endochondral ossification, cartilage template is eventually replaced by bone. This process involves several well characterised, stereotypic, molecular and cellular changes in the cartilage primordia. These steps involve transition from resting to proliferative and then pre-hypertrophic to finally hypertrophic cartilage. BMP signaling is necessary and sufficient for osteogenesis. However, the specific step(s) of endochondral ossification in which BMP signaling plays an essential role is not yet known...
February 13, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29451855/in-vivo-labeling-by-cd73-marks-multipotent-stromal-cells-and-highlights-endothelial-heterogeneity-in-the-bone-marrow-niche
#16
Martin Breitbach, Kenichi Kimura, Tiago C Luis, Christopher J Fuegemann, Petter S Woll, Michael Hesse, Raffaella Facchini, Sarah Rieck, Katarzyna Jobin, Julia Reinhardt, Osamu Ohneda, Daniela Wenzel, Caroline Geisen, Christian Kurts, Wolfgang Kastenmüller, Michael Hölzel, Sten E W Jacobsen, Bernd K Fleischmann
Despite much work studying ex vivo multipotent stromal cells (MSCs), the identity and characteristics of MSCs in vivo are not well defined. Here, we generated a CD73-EGFP reporter mouse to address these questions and found EGFP + MSCs in various organs. In vivo, EGFP + mesenchymal cells were observed in fetal and adult bones at proliferative ossification sites, while in solid organs EGFP + cells exhibited a perivascular distribution pattern. EGFP + cells from the bone compartment could be clonally expanded ex vivo from single cells and displayed trilineage differentiation potential...
February 1, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29451051/influence-of-surgical-approach-on-complication-risk-in-primary-total-hip-arthroplasty
#17
Larry E Miller, Joseph S Gondusky, Atul F Kamath, Friedrich Boettner, John Wright, Samir Bhattacharyya
Background and purpose - Systematic comparisons of anterior approach (A) versus posterior approach (P) in primary total hip arthroplasty (THA) have largely focused on perioperative outcomes. In this systematic review with meta-analysis, we compared complication risk of A versus P in studies of primary THA with at least 1-year mean follow-up. Patients and methods - We performed a systematic review of prospective and retrospective studies with at least 1-year mean follow-up that reported complications of A and P primary THA...
February 16, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29451004/simulating-localised-cellular-inflammation-and-substrate-properties-in-a-strain-energy-density-based-bone-remodelling-algorithm-for-use-in-modelling-trauma
#18
Naomi Rosenberg, Anthony M J Bull
Bone responds to mechanical stimulus and a range of pre-existing finite element models have been suggested to reproduce the internal physiological structure of bone. Inflammation effects are not included in these models, yet inflammation is a key component of bone repair in trauma. Therefore, a model is proposed and tested here that extends these methods to include parameters that could be considered to represent the behaviour of bone remodelling when influenced by inflammation. The proposed model regulates remodelling based on findings from recent studies into the nature of heterotopic ossification, the formation of heterotopic bone, which have revealed information about the nature of bone after high levels of trauma...
February 16, 2018: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/29449015/rapid-initiation-of-guided-bone-regeneration-driven-by-spatiotemporal-delivery-of-il-8-and-bmp-2-from-hierarchical-mbg-based-scaffold
#19
Dan Lin, Yanjun Chai, Yifan Ma, Bing Duan, Yuan Yuan, Changsheng Liu
Initiation of endogenous repair mechanisms, including key steps of stem cell recruitment and cartilage intermediate formation in endochondral ossification, is vital to regeneration of large bone defects. To biomimetically promote a rapid initiation and ensuing osteogenic stimulation, exogenous chemokine IL-8 and growth factor BMP-2 were orchestrated in a mesoporous bioactive glass (MBG)-based spatiotemporal delivery system, to achieve a rapid release of IL-8 followed by a long-term sustained release of BMP-2...
November 17, 2017: Biomaterials
https://www.readbyqxmd.com/read/29447305/pseudo-pedicle-heterotopic-ossification-from-use-of-recombinant-human-bone-morphogenetic-protein-2-rhbmp-2-in-transforaminal-lumbar-interbody-fusion-cages
#20
Charles D Rosen, P Douglas Kiester, Thay Q Lee
We conducted a study to determine the common characteristics of patients who developed radiculopathy symptoms and corresponding heterotopic ossification (HO) from transforaminal lumbar interbody fusions (TLIF) using recombinant human bone morphogenetic protein 2 (rhBMP-2). HO can arise from a disk space with rhBMP-2 use in TLIF. Formation of bone around nerve roots or the thecal sac can cause a radiculopathy with a consistent pattern of symptoms. We identified 38 patients (26 males, 12 females) with a mean (SD) age of 50...
January 2018: American Journal of Orthopedics
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