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Orthopaedic Surgery

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https://www.readbyqxmd.com/read/29178313/association-of-insulin-like-growth-factor-1-bone-mass-and-inflammation-to-low-energy-distal-radius-fractures-and-fracture-healing-in-elderly-women-attending-emergency-care
#1
Simona I Chisalita, Lee Ti Chong, Maciej Wajda, Lars Adolfsson, Mischa Woisetschläger, Anna Spångeus
OBJECTIVE: Elderly patients suffer fractures through low-energy mechanisms. The distal radius is the most frequent fracture localization. Insulin-like growth factor-1 (IGF1) plays an important role in the maintenance of bone mass and its levels decline with advancing age and in states of malnutrition. Our aim was to investigate the association of IGF1 levels, bone mass, nutritional status, and inflammation to low-energy distal radius fractures and also study if fracture healing is influenced by IGF1, nutritional status, and inflammation...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178312/total-hip-arthroplasty-in-hemophilia-patients-a-mid-term-to-long-term-follow-up
#2
Guo-Liang Wu, Ji-Liang Zhai, Bin Feng, Yan-Yan Bian, Chi Xu, Xi-Sheng Weng
OBJECTIVE: To report the results of mid-term to long-term follow-up after primary total hip arthroplasty (THA) in hemophiliacs and to hypothesize that THA can provide satisfactory outcomes in these patients. METHODS: Twenty-four primary THA performed in 21 hemophilia patients between 2002 and 2012 were reviewed retrospectively, including 20 cases of hemophilia A and 1 case of hemophilia B. The standard lateral approach was used for all implantations. Substitution therapy for factor VIII and activated prothrombin complex concentrates were administered to patients with hemophilia A and B, respectively...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178311/a-novel-approach-for-reconstruction-of-finger-neurocutaneous-defect-a-sensory-reverse-dorsal-digital-artery-flap-from-the-neighboring-digit
#3
Shi-Ming Feng, Qing-Qing Sun, Jian Cheng, Ai-Guo Wang
OBJECTIVE: Providing soft tissue coverage for finger neurocutaneous defects presents aesthetic and sensory challenges. A common source for reconstruction of soft tissue defects of the fingers is the same finger. However, when the donor areas are damaged by concomitant injuries, this option is not available. The present study aims to reconstruct finger neurocutaneous defects using a sensory reverse dorsal digital artery flap from the neighboring digit and to evaluate the efficacy of this technique...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178310/a-new-intraoperative-syndesmosis-instability-classification-system-utility-and-medium-term-results-in-closed-displaced-ankle-fractures
#4
Hai-Bin Qiu, Jun Jiang, Daniel Porter
OBJECTIVE: To investigate the utility and medium-term results of a new intra-operative classification system for distal tibiofibular syndesmosis injury in ankle fractures. METHODS: Between January 2010 and January 2015, 116 patients diagnosed with displaced closed Weber B and C ankle fractures were treated in our department. The etiology of injury was 56 cases of fall-sprain, 36 of traffic injury, 14 of fall from a height, and 10 of multiple injuries. After fixation of the fibular fracture, we classify syndesmosis stability as either normal or one of three grades of instability using the fibular hook traction test...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178309/antibiotic-loaded-bone-cement-as-prophylaxis-in-total-joint-replacement
#5
REVIEW
Javier Martínez-Moreno, Virginia Merino, Amparo Nácher, José Luis Rodrigo, Mónica Climente, Matilde Merino-Sanjuán
One of its most serious complications associated with arthroplasty is the development of infections. Although its prevalence is only between 0.5% and 3%, in some cases it can lead to death. Therefore, an important challenge in joint surgery is the prevention of infections when an arthroplasty is performed. The use of antibiotic-loaded cements could be a suitable tool due to numerous advantages. The main advantage of the use of antibiotic loading into bone cement derives directly from antibiotic release in the effect site, allowing achievement of high concentrations at the site of action, and minimal or no systemic toxicity...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178308/effect-of-intra-wound-vancomycin-for-spinal-surgery-a-systematic-review-and-meta-analysis
#6
REVIEW
Lun-Li Xie, Jun Zhu, Mao-Sheng Yang, Chang-Yuan Yang, Shun-Hong Luo, Yu Xie, Dan Pu
Intra-site prophylactic vancomycin in spine surgery is an effective method of decreasing the incidence of postsurgical wound infection. However, there are differences in the prophylactic programs used for various spinal surgeries. Thus, this systematic review and meta-analysis aimed to evaluate the effectiveness of using intra-wound vancomycin during spinal surgery and to explore the effects of dose-dependence and the method of administration in a subgroup analysis. A total of 628 citations or studies were searched in PubMed, Ovid, Web of Science, and Google Scholar that were published before August 2016 with the terms "local vancomycin", "intra-wound vancomycin", "intraoperative vancomycin", "intra-site vancomycin", "topical vancomycin", "spine surgery", and "spinal surgery"...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178307/influence-of-postoperative-hypertension-on-the-development-of-spinal-epidural-hematoma
#7
Tetsuro Ohba, Shigeto Ebata, Hirotaka Haro
Spinal epidural hematoma (SEH) is a rare postoperative complication but can result in catastrophic neurological deficits requiring immediate surgical evacuation of the hematoma. Knowing the risk factors for postoperative SEH can help surgeons stratify patients. Therefore, to identify possible risk factors for postoperative SEH, we reviewed 6 clinical cases and examined the relation between postoperative hypertension and the risk of developing SEH. A retrospective review was conducted of 1282 consecutive patients who underwent spinal surgery at a single institution between 2010 and 2015...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178306/outcomes-of-short-fusion-versus-long-fusion-for-adult-degenerative-scoliosis-a-systematic-review-and-meta-analysis
#8
REVIEW
Kevin Phan, Joshua Xu, Monish M Maharaj, Julian Li, Jun S Kim, John Di Capua, Sulaiman Somani, Kimberly-Anne Tan, Ralph J Mobbs, Samuel K Cho
The objective of this study was to evaluate differences in clinical and radiographic outcomes between short (<3 levels) and long (≥3 levels) fusions in the setting of degenerative lumbar scoliosis. A literature search was performed from six electronic databases. The key terms of "degenerative scoliosis" OR "lumbar scoliosis" AND "fusion" were combined and used as MeSH subheadings. From relevant studies identified, demographic data, complication rates, Oswestry Disability Index (ODI), and radiographic parameters were extracted and the data was pooled and analyzed...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29178305/en-bloc-resection-with-the-assistance-of-video-assisted-thoracoscopy-for-left-lower-lung-cancer-invading-thoracic-vertebrae-and-rib-a-case-report
#9
Yun Liang, Peng Liu, Xiao-Gang Zhou, Xi-Lei Li, Hong Lin, Nong Chen, Di Ge, Jian Dong
Lung cancer invading the spine was previously considered unresectable and fatal and, consequently, there are few reports focusing on tumors located in the lower lung lobe and invading the spine. With the development of spinal instrumentation and surgical techniques, and wider acceptance of spondylectomy by surgeons, radical surgical resection has become feasible. Here, we present a case of a male patient with a left lower lung cancer invading thoracic vertebrae who underwent complete resection with sagittal en bloc hemivertebrectomy with video-assisted thoracoscopy...
November 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960822/analysis-of-spino-pelvic-sagittal-alignment-in-young-chinese-patients-with-lumbar-disc-herniation
#10
Han Fei, Wei-Shi Li, Zhuo-Ran Sun, Qing-Wei Ma, Zhong-Qiang Chen
OBJECTIVE: Few studies have concentrated on the sagittal alignment of lumbar disc herniation (LDH), especially the parameters of the pelvis, and controversy exists about whether pelvic morphology is involved in the pathogenesis of LDH. The present study analyzed the characteristics of the sagittal alignment in young Chinese LDH patients and explored the impact of pelvic morphology on the pathogenesis of LDH. METHODS: A retrospective analysis was conducted on 100 young patients with LDH (69 men and 31 women, aged 18-35 years), and the clinical and imaging findings met the criteria for the diagnosis of LDH...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960821/multicenter-study-on-observation-of-acute-phase-responses-after-infusion-of-zoledronic-acid-5%C3%A2-mg-in-chinese-women-with-postmenopausal-osteoporosis
#11
Yue Ding, Jian-Cheng Zeng, Fei Yin, Chun-Lin Zhang, Yan Zhang, Shi-Xun Li, Xun Liu, Chao Zhang, Qing-Yun Xue, Hua Lin, Fu-Xing Pei
OBJECTIVE: It has been reported that acute-phase reactions (APR) after infusion of 5 mg zoledronic acid for the first time is common. This study surveyed the incidence and characteristics of APR in Chinese postmenopausal women receiving 5 mg zoledronic acid intravenously for osteoporosis and to evaluate the efficacy of non-steroidal anti-inflammatory drugs (NSAID) in preventing or alleviating APR following the first 5 mg zoledronic acid infusion. METHODS: A total of 2601 patients with an average age of 68...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960820/minimally-invasive-transforaminal-lumbar-interbody-fusion-and-unilateral-fixation-for-degenerative-lumbar-disease
#12
Hui-Wang Wang, Yong-Cheng Hu, Zhan-Yong Wu, Hua-Rong Wu, Chun-Fu Wu, Lian-Suo Zhang, Wei-Kun Xu, Hui-Long Fan, Jin-Sheng Cai, Jian-Qing Ma
OBJECTIVE: To evaluate the clinical effect of the minimally invasive transforaminal lumbar interbody fusion combined with posterolateral fusion and unilateral fixation using a tubular retractor in the management of degenerative lumbar disease. METHODS: A retrospective analysis was conducted to analyze the clinical outcome of 58 degenerative lumbar disease patients who were treated with minimally invasive transforaminal lumbar interbody fusion combined with posterolateral fusion and unilateral fixation during December 2012 to January 2015...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960819/circumferential-reconstruction-of-subaxial-cervical-and-cervicothoracic-spine-by-simultaneously-combined-anterior-posterior-approaches-in-the-sitting-position
#13
Yue Han, Xin-Long Ma, Yong-Cheng Hu, Jun Miao, Ji-Dong Zhang, Jian-Qiang Bai, Qun Xia
OBJECTIVE: To introduce and analyze the feasibility of a new surgical strategy for circumferential reconstruction of subaxial cervical and cervicothoracic spine by simultaneously combined anterior-posterior approach in the sitting position. METHODS: A retrospective review was performed for seven patients who underwent the above surgical procedure between July 2011 and January 2015. Among the seven patients, there were six men and one woman, with an average age of 52 years (range, 36-79 years)...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960818/biomechanical-stability-analysis-of-a-stand-alone-cage-static-and-rotational-dynamic-plate-in-a-two-level-cervical-fusion-construct
#14
Parmenion P Tsitsopoulos, Leonard I Voronov, Michael R Zindrick, Gerard Carandang, Robert M Havey, Alexander J Ghanayem, Avinash G Patwardhan
OBJECTIVE: To test the following hypotheses: (i) anterior cervical discetomy and fusion (ACDF) using stand-alone interbody spacers will significantly reduce the range of motion from intact spine; and (ii) the use of a static or a rotational-dynamic plate will significantly augment the stability of stand-alone interbody spacers, with similar beneficial effect when compared to each other. METHODS: Eleven human cadaveric subaxial cervical spines (age: 48.2 ± 5.4 years) were tested under the following sequence: (i) intact spine; (ii) ACDF at C4 -C5 using a stand-alone interbody spacer; (iii) ACDF at C5 -C6 and insertion of an interbody spacer (two-level construct); and (iv) randomized placement of either a two-level locking static plate or a rotational-dynamic plate...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960817/in-vivo-study-on-the-corrosion-behavior-of-magnesium-alloy-surface-treated-with-micro-arc-oxidation-and-hydrothermal-deposition
#15
Chuan-Yi Bai, Jian-Wu Li, Wan-Bao Ta, Bo Li, Yong Han
OBJECTIVE: To study the corrosion behavior of magnesium alloy surface treated with micro-arc oxidation and hydrothermal deposition in living animals. METHODS: A magnesium oxide (MgO) layer was prepared on Mg alloy using micro-arc oxidation technology, and then a composite coating composed of magnesium hydroxide, hydroxyapatite, and MgO was coated on the MgO layer using the hydrothermal deposition method for 2 h and 24 h. Male 3-month-old white New Zealand rabbits (n = 48) weighting 2200-2300 g, were divided into four groups randomly...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960816/optimal-pelvic-incidence-minus-lumbar-lordosis-mismatch-after-long-posterior-instrumentation-and-fusion-for-adult-degenerative-scoliosis
#16
Hao-Cong Zhang, Zi-Fang Zhang, Zhao-Han Wang, Jun-Yao Cheng, Yun-Chang Wu, Yi-Ming Fan, Tian-Hao Wang, Zheng Wang
OBJECTIVE: To evaluate the influence of Scoliosis Research Society (SRS)-Schwab sagittal modifiers of pelvic incidence minus lumbar lordosis mismatch (PI-LL) on clinical outcomes for adult degenerative scoliosis (ADS) after long posterior instrumentation and fusion. METHODS: This was a single-institute, retrospective study. From 2012 to 2014, 44 patients with ADS who underwent posterior instrumentation and fusion treatment were reviewed. Radiological evaluations were investigated by standing whole spine (posteroanterior and lateral views) X-ray and all radiological measurements, including Cobb's angle, LL, PI, and the grading of vertebral rotation, were performed by two experienced surgeons who were blind to the operations...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28960815/effect-of-asymmetric-tension-on-biomechanics-and-metabolism-of-vertebral-epiphyseal-plate-in-a-rodent-model-of-scoliosis
#17
Qian-Yi Li, Gui-Bin Zhong, Zu-de Liu, Li-Feng Lao
OBJECTIVE: To investigate the effect of asymmetric tension on idiopathic scoliosis (IS) and to understand its pathogenic mechanism. METHODS: The rodent model of scoliosis was established using Sprague-Dawley rats with left rib-tethering from T6 to T12 , tail and shoulder amputation, and high-cage feeding. Vertebrae epiphyseal cartilage plates were harvested from the convex and concave sides. To analyze differences on the convex and concave sides, finite element analysis was carried out to determine the mechanical stress...
August 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28589635/comparison-of-intramedullary-nail-versus-conventional-ilizarov-method-for-lower-limb-lengthening-a-systematic-review-and-meta-analysis
#18
REVIEW
Wei-Guo Xu
The objective of this systematic review and meta-analysis was to compare the lengthening and then nailing (LATN) technique to the conventional Ilizarov method for limb lengthening. A systemic search of potential relevant literature was performed in databases, including the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, EMBASE, and the ISI Web of Knowledge, from their inception to 22 May 2015 using medical subject heading (MeSH) terms "Ilizarov," "bone lengthening," or "intramedullary nail...
June 7, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28560770/a-radiographic-measurement-of-the-anterior-epidural-space-at-l4-5-disc-level
#19
Rui-Sheng Xu, Jie-Shi Wu, Hai-Dan Lu, Hao-Gang Zhu, Xia Li, Jian Dong, Feng-Lai Yuan
To observe the morphology character of the anterior epidural space at the L4-5 disc level and to provide an anatomical basis for safely and accurately performing a percutaneous endoscopic lumbar discectomy (PELD). Fifty-five cases with L5 S1 lumbar disc herniation were included in this study, and cases with L4-5 disease were excluded. When the puncture needle reached the epidural space at the L5 S1 level, iohexol was injected at the pressure of 50 cm H2 O during the PELD, then C-Arm fluoroscopy was used to obtain standard lumbar frontal and lateral images...
May 30, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28544495/posterior-lumbar-interbody-fusion-with-interspinous-fastener-provides-comparable-clinical-outcome-and-fusion-rate-to-pedicle-screws
#20
Wei-Min Huang, Xing-Ming Yu, Xiao-Duo Xu, Ruo-Xian Song, Li-Li Yu, Xiu-Chun Yu
OBJECTIVE: To investigate the clinical feasibility and validity of interspinous fastener (ISF) for lumbar degenerative diseases. METHODS: From October 2013 to March 2014, a total of 46 patients suffering from lumbar degenerative diseases underwent posterior lumbar interbody fusion (PLIF) randomly augmented by ISF or pedicle screws. The clinical outcome was primarily measured by Oswestry Disability Index (ODI) score. The minimal clinical important difference (MCID) was defined as an eight-point decrease in ODI...
May 24, 2017: Orthopaedic Surgery
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