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external fixator

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https://www.readbyqxmd.com/read/29350602/a-novel-approach-to-32-channel-peripheral-nervous-system-myelin-imaging-in-vivo-with-single-axon-resolution
#1
Joey Grochmal, Wulin Teo, Hardeep Gambhir, Ranjan Kumar, Jo Anne Stratton, Raveena Dhaliwal, Craig Brideau, Jeff Biernaskie, Peter K Stys, Rajiv Midha
OBJECTIVE Intravital spectral imaging of the large, deeply situated nerves in the rat peripheral nervous system (PNS) has not been well described. Here, the authors have developed a highly stable platform for performing imaging of the tibial nerve in live rodents, thus allowing the capture of high-resolution, high-magnification spectral images requiring long acquisition times. By further exploiting the qualities of the topically applied myelin dye Nile red, this technique is capable of visualizing the detailed microenvironment of peripheral nerve demyelination injury and recovery, while allowing us to obtain images of exogenous Schwann cell myelination in a living animal...
January 19, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29349992/-excision-of-necrotic-and-infected-tissues-combined-with-induced-membrane-and-external-fixator-technique-for-the-treatment-of-chronic-osteomyelitis-in-tibia-after-fracture-operation
#2
Shao-di Fan, Zhi-Heng Liu, Wan-Hua Hu, Guo-Zhong Wu, Li-Hu Tang, Liang-Liang Zhao
OBJECTIVE: To investigate the clinical efficacy of excision of necrotic and infected tissues combined with induced membrane and external fixator technique to treat chronic osteomyelitis in tibia after fracture operation. METHODS: From June 2011 to June 2014, a total of 13 patients with tibia osteomyelitis were treated with excision of necrotic and infected tissues and external fixator technique in the first stage. There were 8 males and 5 females, ranging in age from 16 to 67 years old with an average of (37...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349969/-early-application-of-the-antibiotic-laden-bone-cement-albc-combined-with-the-external-fixation-support-in-treating-the-open-fractures-of-lower-limbs-complicated-with-bone-defect
#3
Jian Xiao, Zhao-Guang Mao, Hui-Hua Zhu, Liang Guo
OBJECTIVE: To discuss the curative effect of the early application of the antibiotic-laden bone cement (ALBC) combined with the external fixation support in treating the open fractures of lower limbs complicated with bone defect. METHODS: From December 2013 to January 2015, 36 cases of lower limb open comminuted fractures complicated with bone defects were treated by the vancomycin ALBC combined with the external fixation support, including 26 males and 10 females with an average age of 38...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349967/-treatment-of-children-with-femoral-subtrochanteric-fractures-by-the-external-fixation-combined-with-single-hip-plaster
#4
Hu-Cheng Tan, Wei-Min Su, Cai-Sheng Zhou
OBJECTIVE: To explore curative effects of external fixation combined with single hip plaster in treating children with femoral subtrochanteric fracture. METHODS: Form March 2009 to July 2016, 15 children with femoral subtrochanteric fracture were treated with external fixation combined with single hip plaster, including 9 males and 6 females with a mean age of 8.5 years old ranging from 5 to 14 years old. According to fracture classification of Seinsheimer, 3 cases were type IIA, 4 cases were type IIB, 3 cases were type IIC, 2 cases were type IIIA, 1 case was type IIIB, 1 case was type IV, 1 case was type V...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349955/-clinical-application-of-percutaneous-iliosacral-screws-combined-with-pubic-ramus-screws-in-tile-b-pelvic-fracture
#5
Qi-Fei Xu, Kui-Ran Lin, Dai-Jie Zhao, Song-Qin Zhang, Sheng-Kai Feng, Chen Li
OBJECTIVE: To investigate the application and effect of minimally invasive percutaneous anterior pelvic pubic ramus screw fixation in Tile B fractures. METHODS: A retrospective review was conducted on 56 patients with posterior pelvic ring injury combined with fractures of anterior pubic and ischiadic ramus treated between May 2010 and August 2015, including 31 males and 25 females with an average age of 36.8 years old ranging from 35 to 65 years old. Based on the Tile classification, there were 13 cases of Tile B1 type, 28 cases of Tile B2 type and 15 cases of Tile B3 type...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29344861/laser-capture-microdissection-and-transcriptional-analysis-of-sub-populations-of-the-osteoblast-lineage-from-undecalcified-bone
#6
Efrain Pacheco, Rong Hu, Scott Taylor
Transcriptional analysis of tissue samples is a useful and widely applied approach to provide insight into the molecular mechanisms engaged in response to phenotypic changes or external stimuli. We describe a method that overcomes the technical challenges associated with the application of Laser Capture Microdissection to undecalcified bone enabling us to collect high-quality bone tissue with maintained cellular morphology that is suitable for cryosectioning, fixation, and cutting. Using this method, we obtain samples enriched for specific cell types from the mature osteoblast lineage (osteoblasts, lining cells, i...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29330835/international-guidelines-for-groin-hernia-management
#7
(no author information available yet)
INTRODUCTION: Worldwide, more than 20 million patients undergo groin hernia repair annually. The many different approaches, treatment indications and a significant array of techniques for groin hernia repair warrant guidelines to standardize care, minimize complications, and improve results. The main goal of these guidelines is to improve patient outcomes, specifically to decrease recurrence rates and reduce chronic pain, the most frequent problems following groin hernia repair. They have been endorsed by all five continental hernia societies, the International Endo Hernia Society and the European Association for Endoscopic Surgery...
January 12, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29330745/-treatment-of-rotational-malalignment-of-the-lower-leg
#8
REVIEW
P Keppler
BACKGROUND: Rotational malalignment after intramedullary nailing of tibial shaft fractures is not uncommon. In-toeing and out-toeing conditions in children are often the reason for orthopedic and traumatological medical consultation. OBJECTIVE: Evaluation of diagnostic modalities and therapeutic options for rotational malalignment in relationship to the patient's age. Surgical indications and efficacy of specific surgical techniques. MATERIAL AND METHODS: Systematic literature search in the German Institute for Medical Documentation and Information (DIMDI) and MEDLINE and evaluation of the currently published articles...
January 12, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29327560/-research-progress-on-reatment-of-unstable-atlas-fracture-with-single-segment-fixation-by-transoral-approach
#9
REVIEW
Li-Ran Wang, Liu-Jun Zhao, Wei-Hu Ma
As a common type of fracture in cervical, atlas fracture is frequently unstable due to its special anatomical structure. In a previous treatment, external fixation was likely to bring low bony union rate and long-term neck pain, while occipito-cervical fusion and atlantoaxial fusion sacrifice range of motion in cervical spine. Reduction and single section fixation of atlas by anterior lateral mass screws through the transoral approach were reported by some scholars, and the retrospective study demonstrated the high healing rate, reservation of cervical ROM and less bleeding...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327557/-surgical-treatment-for-14-patients-with-old-fractures-of-humeral-lateral-condyle-in-children
#10
Kai Liu, Ru-Guo Shang, Yan Xiao, Jan-Wei Hu, Yong-Xin Yu
OBJECTIVE: To study clinical effects of operation for the treatment of old fractures of the humerus lateral condyle in children. METHODS: From January 2012 to January 2014 in our department, 14 children of old humeral lateral condyle fractures were treated with operation. Ten cases were male, 4 cases were female; age from 2 to 12 years old, average 5.8 years old. The initial diagnosis was type IIfracture according to the Milch ciassification, the loss of treatment in 11 cases, conservative treatment in 3 cases of nonunion after fracture displacement...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327556/-surgical-treatment-for-the-fractures-and-dislocations-of-the-elbow-in-old-patients
#11
Hua Xu, Li-Feng Shen, Hua-Jun Yu, Xiao-Wen Zhang, Qiao-Feng Guo
OBJECTIVE: To introduce and report the preliminary results of 7 old patients with fractures and dislocations of the elbow. METHODS: From July 2011 to August 2015, 7 old patients suffered from fractures and dislocations of the elbow(5 of which were terrible triad). One patient had type Iradial head fracture, 3 type IIand 1 type III according to the Mason classification, and 1 type I, 5 type IIand 1 type III according to the Regan-Morrey classification. All the 7 patients received operation and then were treated with external fixation...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327551/-analysis-of-the-axial-stretching-force-of-the-small-splint-fixation-system
#12
Hong-Gang Zhong, Wei-Hua Liu, Fu-Hui Dong
OBJECTIVE: To measure the axial stretching force produced by the small splint fixation system in the treatment of the fracture. METHODS: Dumbbell shaped plexiglass was machined to model the bone shaft with expanded two ends. Force transducer was set at the model fracture site to measure the stretching force produced by fracture fixation of the small splint with cloth aqueous bag that simulated the muscles and other soft tissue underneath. RESULTS: There was positive relationship between the axial stretching force produced at the model fracture site and the transverse pressing force exerted by the external plates...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327540/-analysis-on-the-effect-of-surgical-cleaning-combined-with-external-fixator-for-the-treatment-of-post-traumatic-heterotopic-ossification-of-elbow-joint
#13
Liang Yan, Jian-Lei Zhao, Shang-Zeng Wang, Li-Na Feng
OBJECTIVE: To evaluate the clinical efficacy of surgical treatment using a combined medial and lateral approach combined with an external fixator for the treatment of post-traumatic heterotopic ossification(HO) in patients with stiff elbow joints. METHODS: Surgical release using the combined medial and lateral approach combined with external fixation for the treatment of HO and elbow stiffness in 26 patients from July 2010 to December 2013. The study group included 18 males and 8 females, with an average age 38...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29326497/is-the-modified-harris-hip-score-valid-and-responsive-instrument-for-outcome-assessment-in-the-indian-population-with-pertrochanteric-fractures
#14
Karthik Vishwanathan, Keyur Akbari, Amit J Patel
Introduction: The original Harris hip score (HHS) does not contain ability to perform squatting and sitting cross legged as items in the questionnaire and hence a need was felt to modify the Harris hip score so that it could stay relevant in functional assessment of Indian patients in the rural setting. Validity, responsiveness and ceiling floor effect of the Harris hip score after internal fixation of pertrochanteric fracture has not been previously described. The objective of the study was to investigate construct validity, responsiveness and ceiling floor effects of the modified Harris hip score (mHHS)...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29325195/common-calcaneal-tenorrhaphy-revision-using-a-central-gastrocnemius-turnover-aponeurotic-flap-technique-in-a-cat
#15
Fabio Sangion, Filippo Cinti, Guido Pisani
A 5-year-old, male castrated, domestic short hair cat was referred to the authors' clinic because of wound dehiscence and exposure of tendon stumps after tenorrhaphy of the Achilles tendon. Surgical revision was done using an aponeurotic flap taken from the proximal stump of the Achilles tendon and sutured over the two tendon portions. This technique has been described in humans, but, to the authors' knowledge, this has not been reported in cats. Modified type II external fixation was used to maintain the tarsocrural joint in extension until tendon healing was confirmed ultrasonographically 35 days postoperatively...
January 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29322893/long-term-self-esteem-assessment-after-height-increase-by-lengthening-and-then-nailing
#16
K Emara, M A Al Kersh, A K Emara
The purpose of the study is to assess the long term psychosocial functioning after height increase, using the external fixation then nailing method. Rosenberg Self-esteem scale and a questionnaire to assess social functioning were completed by 28 patients both preoperatively and at a mean follow-up of 7 years. The mean total score of RSE self-esteem for the 28 patients before lengthening was 21.5 (SD 1.03) (20-24). The mean total score of RSE for the patients 1 year after lengthening was 22 (SD 1.17) (20-24) with highly significant difference (p = 0...
March 2017: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29321945/gaze-compensation-as-a-technique-for-improving-hand-eye-coordination-in-prosthetic-vision
#17
Samuel A Titchener, Mohit N Shivdasani, James B Fallon, Matthew A Petoe
Purpose: Shifting the region-of-interest within the input image to compensate for gaze shifts ("gaze compensation") may improve hand-eye coordination in visual prostheses that incorporate an external camera. The present study investigated the effects of eye movement on hand-eye coordination under simulated prosthetic vision (SPV), and measured the coordination benefits of gaze compensation. Methods: Seven healthy-sighted subjects performed a target localization-pointing task under SPV...
January 2018: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/29320926/brain-perfusion-fixation-in-male-pigs-using-a-safer-closed-system
#18
Gracia U Musigazi, Stéphanie De Vleeschauwer, Raf Sciot, Eric Verbeken, Bart Depreitere
Tissue fixation methods are well established for rodents, but not for large animals. We present a simple technique for in situ brain perfusion fixation in a male porcine model, using cervical vessels for inflow and outflow and achieving a closed system. Thirty-four pigs, aged 4.7 ± 0.6 months and weighing 60.7 ± 10.9 kg, were anaesthetised and mechanically ventilated. The ipsilateral common carotid artery and external jugular vein were dissected and constituted the inflow and outflow access, respectively...
January 1, 2018: Laboratory Animals
https://www.readbyqxmd.com/read/29318341/-dynamization-of-fracture-fixation-timing-and-methods
#19
REVIEW
L Claes
The dynamization of fracture fixation is a frequently used method to improve the fracture healing process; however, the term dynamization is used for different methods of altering the fixation of fractures during the bone healing process. The dynamization of intramedullary nail fixation by removing the interlocking screws is the most frequently applied method. This method can cause a telescopic movement between the nail and tubular bone that closes gaps in bony continuity and potentially compresses the fracture fragments...
January 9, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29317839/surgical-release-for-tubercular-elbow-stiffness
#20
Yun Qian, Qixin Han, Wei Wang, Yuanming Ouyang, Weien Yuan, Cunyi Fan
Background: For decades, tuberculosis (TB) has posed a great threat to people worldwide. Bone and joint TB is one of the most common types of extrapulmonary TB, with elbow TB comprising a small proportion of these cases. The treatment for elbow stiffness associated with TB has been rarely reported. Patients and methods: We retrospectively analyzed six patients (four females and two males) with tubercular elbow stiffness during a 7-year period. All of them received open arthrolysis and hinged external fixation to restore functional extension, flexion, supination and pronation...
2018: Infection and Drug Resistance
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