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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
#1
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/29349386/successful-use-of-retrograde-branched-extension-limb-assembling-technique-in-endovascular-repair-of-pararenal-abdominal-aortic-aneurysm
#2
Jiang Xiong, Zhongzhou Hu, Hongpeng Zhang, Huanming Xu, Duanduan Chen, Wei Guo
Surgeon-modified retrograde branched extension limb assembling technique and bridged endografts were successfully used to exclude an asymptomatic pararenal abdominal aortic aneurysm and to reconstruct the superior mesenteric artery and bilateral renal arteries in a case with high-grade celiac artery stenosis, nondilated aorta above the superior mesenteric artery, and large lumen below the renal arteries. In patient-specific models for hemodynamics analysis, enhanced flow diversion to visceral arteries up to 6-month follow-up confirmed treatment feasibility; however, endograft configurations could be improved to avoid sharp corners at bifurcations, thereby ensuring smooth flow transport and possibly reducing risk for endograft narrowing or the development of thrombosis...
June 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29338748/finite-element-analysis-of-intramedullary-nailing-and-double-locking-plate-for-treating-extra-articular-proximal-tibial-fractures
#3
Fancheng Chen, Xiaowei Huang, Yingsun Ya, Fenfen Ma, Zhi Qian, Jifei Shi, Shuolei Guo, Baoqing Yu
BACKGROUND: Proximal tibia fractures are one of the most familiar fractures. Surgical approaches are usually needed for anatomical reduction. However, no single treatment method has been widely established as the standard care. Our present study aims to compare the stress and stability of intramedullary nails (IMN) fixation and double locking plate (DLP) fixation in the treatment of extra-articular proximal tibial fractures. METHODS: A three-dimensional (3D) finite element model of the extra-articular proximal tibial fracture, whose 2-cm bone gap began 7 cm from the tibial plateau articular surface, was created fixed by different fixation implants...
January 16, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29327586/composite-hydrogel-modified-by-igf-1c-domain-improves-stem-cell-therapy-for-limb-ischemia
#4
Xiaomin Wang, Jimin Zhang, Weilong Cui, Yuan Fang, Li Li, Shenglu Ji, Duo Mao, Tingyu Ke, Xin Yao, Dan Ding, Guowei Feng, Deling Kong
Stem cell treatment for critical limb ischemia yields a limited therapeutic effect due to cell loss and dysfunction caused by local ischemic environment. Biomimetic scaffolds emerge as ideal cell delivery vehicles for regulating cell fate via mimicking the components of stem cell niche. Herein, we prepared a bioactive hydrogel by mixing chitosan and hyaluronic acid that is immobilized with C domain peptide of IGF-1 (IGF-1C), and examined whether this hydrogel could augment stem cell survival and therapeutic potential...
January 12, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29322527/thalamo-cortical-projections-to-the-macaque-superior-parietal-lobule-areas-pec-and-pe
#5
Daniele Impieri, Michela Gamberini, Lauretta Passarelli, Marcello G P Rosa, Claudio Galletti
The exposed surface of the superior parietal lobule in macaque brain contains two architectonically defined areas named PEc and PE. The aim of the present study is the characterization of thalamic afferents of these two areas. For this purpose, retrograde neuronal tracers were injected, or placed in crystal form, in areas PEc and PE. We found that the two areas show a similar pattern of thalamic inputs, mainly originating from Lateral Posterior (LP), Pulvinar (Pul), Ventral Posterior Lateral (VPL), and Ventral Lateral (VL) nuclei, all structures known to be involved in visual, somatosensory, and/or sensorimotor processing...
January 10, 2018: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29321475/intraskeletal-histovariability-allometric-growth-patterns-and-their-functional-implications-in-bird-like-dinosaurs
#6
Edina Prondvai, Pascal Godefroit, Dominique Adriaens, Dong-Yu Hu
With their elongated forelimbs and variable aerial skills, paravian dinosaurs, a clade also comprising modern birds, are in the hotspot of vertebrate evolutionary research. Inferences on the early evolution of flight largely rely on bone and feather morphology, while osteohistological traits are usually studied to explore life-history characteristics. By sampling and comparing multiple homologous fore- and hind limb elements, we integrate for the first time qualitative and quantitative osteohistological approaches to get insight into the intraskeletal growth dynamics and their functional implications in five paravian dinosaur taxa, Anchiornis, Aurornis, Eosinopteryx, Serikornis, and Jeholornis...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29316895/daily-repetitive-sensory-stimulation-of-the-paretic-hand-for-the-treatment-of-sensorimotor-deficits-in-patients-with-subacute-stroke-reset-a-randomized-sham-controlled-trial
#7
Jan C Kattenstroth, Tobias Kalisch, Matthias Sczesny-Kaiser, Wolfgang Greulich, Martin Tegenthoff, Hubert R Dinse
BACKGROUND: Repetitive sensory stimulation (RSS) adapts the timing of stimulation protocols used in cellular studies to induce synaptic plasticity. In healthy subjects, RSS leads to widespread sensorimotor cortical reorganization paralleled by improved sensorimotor behavior. Here, we investigated whether RSS reduces sensorimotor upper limb impairment in patients with subacute stroke more effectively than conventional therapy. METHODS: A single-blinded sham-controlled clinical trial assessed the effectiveness of RSS in treating sensorimotor deficits of the upper limbs...
January 9, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29308947/predictive-factors-of-thromboembolic-complications-in-patients-with-esophagogatric-adenocarcinoma-undergoing-preoperative-chemotherapy
#8
George Papaxoinis, Konstantinos Kamposioras, Theodora Germetaki, Jamie M J Weaver, Sofia Stamatopoulou, Magdy Nasralla, Zoe Kordatou, Vikki Owen-Holt, Alan Anthoney, Wasat Mansoor
BACKGROUND: Thromboembolic events (TEEs) represent a significant treatment and disease complication for cancer patients. In the present study we assessed the incidence of TEEs in patients receiving preoperative chemotherapy for esophagogastric adenocarcinoma. The risk factors for TEE development and their impact on prognosis were further analyzed. MATERIAL AND METHODS: Data from 590 patients with esophagogastric adenocarcinoma, who received preoperative epirubicin-cisplatin with capecitabine (ECX) or 5-fluorouracil (ECF) between 2009 and 2016 in three UK hospitals were retrospectively collected...
January 8, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29305451/a-pilot-randomized-trial-of-meniscal-allograft-transplantation-versus-personalized-physiotherapy-for-patients-with-a-symptomatic-meniscal-deficient-knee-compartment
#9
N A Smith, N Parsons, D Wright, C Hutchinson, A Metcalfe, P Thompson, M L Costa, T Spalding
AIMS: Meniscal allograft transplantation is undertaken to improve pain and function in patients with a symptomatic meniscal deficient knee compartment. While case series have shown improvements in patient reported outcome measures (PROMs), its efficacy has not been rigorously evaluated. This study aimed to compare PROMs in patients having meniscal transplantation with those having personalized physiotherapy at 12 months. PATIENTS AND METHODS: A single-centre assessor-blinded, comprehensive cohort study, incorporating a pilot randomized controlled trial (RCT) was performed on patients with a symptomatic compartment of the knee in which a (sub)total meniscectomy had previously been performed...
January 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29305098/is-clavicular-reconstruction-imperative-for-total-and-subtotal-claviculectomy-a-systematic-review
#10
REVIEW
Yu Chen, Xiuchun Yu, Weimin Huang, Bing Wang
BACKGROUND: The effects of clavicular reconstruction on total and subtotal claviculectomy are controversial. The aim of this study is to disclose the impact of clavicular reconstruction on the efficacy of this rare surgical procedure. METHODS: This is a systematic review of multiple medical databases for level I through IV evidence. RESULTS: Eleven studies (level IV) with a mean follow-up duration of 53 months (range, 12-156 months) met the inclusion criteria...
January 2, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29305037/transauricular-vagus-nerve-stimulation-at-auricular-acupoints-kindey-co10-yidan-co11-liver-co12-and-shenmen-tf4-can-induce-auditory-and-limbic-cortices-activation-measured-by-fmri
#11
Liyan Peng, Ketao Mu, Aiguo Liu, Liangqiang Zhou, Yueyue Gao, Imrit Tejvansh Shenoy, Zhigang Mei, Qingguo Chen
The purpose of this study was to explore the central mechanism of transauricular vagus nerve stimulation (taVNS) to human by fMRI and to find a suitable taVNS site for potential tinnitus treatment. 24 healthy subjects aged between 28 and 38 years were enrolled in the experiment. 8 subjects were stimulated in the auricular acupoints Kindey (CO10), Yidan (CO11), Liver (CO12) and Shenmen (TF4) in the left ear, 8 subjects were stimulated at the anterior wall of the auditory canal and left lower limb as an anterior stimulation group; 8 persons who were arranged in a sham group received taVNS at the left ear lobe and tail of the helix...
December 24, 2017: Hearing Research
https://www.readbyqxmd.com/read/29284164/current-practices-in-the-management-of-postoperative-arterial-vasospasm-in-microsurgery
#12
Sergey Y Turin, Robert L Walton, Gregory A Dumanian, John B Hijjawi, John A LoGiudice, Mohammed Alghoul
BACKGROUND:  Postoperative microvascular arterial vasospasm is a rare clinical entity. There are no published management algorithms and also the pathophysiology of this phenomenon has not been elucidated. METHODS:  An email survey of American Society for Reconstructive Microsurgery (ASRM) and World Society for Reconstructive Microsurgery (WSRM) members regarding their experiences with postoperative arterial vasospasm was conducted, returning 116 responses. A comprehensive literature search was conducted regarding the current body of knowledge on this entity...
December 28, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29281860/subchondral-bone-radiodensity-patterns-in-the-glenoid-fossa-of-ape-and-human-scapulae
#13
Biren A Patel, Joshua T Romanu, Kristian J Carlson
Regions of denser subchondral bone deep to a joint's articular surface indicate locations where the joint experiences relatively higher or more frequent compressive trans-articular forces than less dense regions. Human clinically-focused studies have hypothesized that regional variation of highest radiodensity (HiRD), acquired with computed tomography osteoabsorptiomety (CT-OAM), in the human glenoid fossa (GF) is specifically related to forces arising from everyday rotator cuff muscle function. We test this hypothesis by investigating the relationship between rotator cuff function and GF HiRD subchondral bone patterns in a broader comparative context...
December 27, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29279832/the-comparison-of-preventive-analgesic-effects-of-ketamine-paracetamol-and-magnesium-sulfate-on-postoperative-pain-control-in-patients-undergoing-lower-limb-surgery-a-randomized-clinical-trial
#14
Seyed Morteza Heydari, Seyed Jalal Hashemi, Shahpour Pourali
Background: In considering the importance of postoperative pain management and its consequences on its related secondary outcomes including nausea, vomiting, and operation-related complications, we aimed to compare the effectiveness of the three analgesic agents including ketamine, paracetamol, and magnesium sulfate for postoperative pain relief and associated consequences in this trial. Materials and Methods: In this double-blinded randomized control clinical trial, patients scheduled for elective lower extremity orthopedic surgery under general anesthesia were enrolled and randomized into four groups for receiving intravenous ketamine (0...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29277283/correlation-between-blood-alcohol-concentration-bac-breath-alcohol-concentration-brac-and-psychomotor-evaluation-in-a-clinical-monitored-study-of-alcohol-intake-in-brazil
#15
Ana Paula Drummond-Lage, Rodrigo Gomes de Freitas, Gabriel Cruz, Luigi Perillo, Marco Antonio Paiva, Alberto Julius Alves Wainstein
BACKGROUND: Policies that establish maximum blood alcohol concentrations (BACs) or breath alcohol concentration (BrACs) for drivers while driving can reduce traffic accidents by approximately 20%. In Brazil, the National Transit Council (CONTRAN) considers positive BAC and/or BrAC tests or signs of psychomotor capacity alterations as evaluated by a police authority to be an administrative infraction or even a crime. The observed clinical symptoms of alcohol intoxication based on a subject's appearance may not necessarily reflect the quantified BAC and/or BrAC...
February 2018: Alcohol
https://www.readbyqxmd.com/read/29274747/more-highly-myelinated-white-matter-tracts-are-associated-with-faster-processing-speed-in-healthy-adults
#16
Sidhant Chopra, Marnie Shaw, Thomas Shaw, Perminder S Sachdev, Kaarin J Anstey, Nicolas Cherbuin
The objective of this study was to investigate whether the estimated myelin content of white matter tracts is predictive of cognitive processing speed and whether such associations are modulated by age. Associations between estimated myelin content and processing speed was assessed in 570 community-living individuals (277 middle-age, 293 older-age). Myelin content was estimated using the mean T1w/T2w magnetic resonance ratio, in six white matter tracts (anterior corona radiata, superior corona radiata, pontine crossing tract, anterior limb of the internal capsule, genu of the corpus callosum, and splenium of the corpus callosum)...
December 21, 2017: NeuroImage
https://www.readbyqxmd.com/read/29260370/sensory-properties-of-the-caudal-aspect-of-the-macaque-s-superior-parietal-lobule
#17
Michela Gamberini, Giulia Dal Bò, Rossella Breveglieri, Sofia Briganti, Lauretta Passarelli, Patrizia Fattori, Claudio Galletti
In the superior parietal lobule (SPL), the anterior part (area PE) is known to process somatosensory information, while the caudalmost part (areas V6Av and V6) processes visual information. Here we studied the visual and somatosensory properties of the areas PEc and V6Ad located in between the somatosensory and visual domains of SPL. About 1500 neurons were extracellularly recorded in 19 hemispheres of 12 monkeys (Macaca fascicularis). Visual and somatosensory properties of single neurons were generally studied separately, while in a subpopulation of neurons, both the sensory properties were tested...
December 19, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/29242104/structural-network-differences-in-chronic-muskuloskeletal-pain-beyond-fractional-anisotropy
#18
James H Bishop, Marina Shpaner, Antoni Kubicki, Sarah Clements, Richard Watts, Magdalena R Naylor
Chronic musculoskeletal pain is a condition that influences central nervous system structure. In this study, we combined novel structural neuroimaging techniques, using well-validated software packages including FSL, Mrtrix3, and DSI Studio, to characterize brain grey (GM) and white matter (WM) differences in chronic musculoskeletal pain participants (n = 74), compared to age-matched pain-free controls (n = 31). In participants with chronic pain, we identified significantly higher volume in subcortical GM structures using voxel-based morphometry (FSLVBM)...
December 11, 2017: NeuroImage
https://www.readbyqxmd.com/read/29241816/triple-bundle-anatomical-reconstruction-using-the-coracoacromial-ligament-and-the-short-head-of-biceps-tendon-to-stabilize-chronic-acromioclavicular-joint-dislocations-a-cadaver-feasibility-study
#19
M Le Hanneur, D Delgrande, T Lafosse, J-D Werthel, P Hardy, B Elhassan
INTRODUCTION: In cases of chronic acromioclavicular joint separation, the biomechanical properties of anatomical reconstructions are closer to the native configuration than the Weaver-Dunn procedure. Consequently, the radiological and clinical outcomes are better. However, an additional incision is needed to harvest the graft, which increases the procedure's morbidity. HYPOTHESIS: Triple-bundle reconstruction can be performed with the coracoacromial ligament (CAL) and the semi conjoined tendon (SCT)...
December 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29234688/superior-semicircular-canal-dehiscence-a-new-perspective
#20
Dinesh Sood, Lokesh Rana, Raman Chauhan, Roshni Shukla, Khanak Nandolia
Objective: To determine the use of multi-detector computed tomography (MDCT) in the diagnostic interpretation of superior semicircular canal dehiscence (SSCD) or thinning and its association with ear pathologies and to find whether it is an acquired condition and its association with increase in age. Materials and methods: study was performed in a tertiary care institute present in a village, following approval of the institutional ethical committee. Retrospective review of temporal bone CT examinations performed between September 2016 and March 2017 was done...
2017: European Journal of Radiology Open
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