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https://www.readbyqxmd.com/read/28920487/unilateral-dislocation-of-the-posterior-tibialis-tendon-ptt-and-flexor-digitorum-longus-tendon-with-contralateral-ptt-subluxation-in-a-patient-with-congenitally-shallow-flexor-groove
#1
Jacob E Waldron, Andrew S Bernhardson, Todd A Fellars
INTRODUCTION: Flexor tendon dislocation from the flexor tendon groove posterior of the medial malleolus has been previously described, and may be difficult to diagnose initially, but is amendable to surgical treatment with good outcomes. We present a unique case of unilateral dislocation of the posterior tibialis and flexor digitorum longus tendons with contralateral flexor digitorum longus subluxation that was treated surgically with a good outcome. CASE PRESENTATION: A 37-year-old active duty male sustained a dislocation and subluxation of the flexor tendons bilaterally after a forced dorsiflexion injury...
October 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28920070/prevalence-and-associated-factors-of-acute-traumatic-coagulopathy-a-cross-sectional-study
#2
Hojjat Derakhshanfar, Ali Vafaei, Ali Tabatabaey, Shamila Noori
INTRODUCTION: Acute traumatic coagulopathy (ATC) is defined as having evidence of coagulopathy in patients with severe trauma. The aim of this preliminary study was to assess the prevalence and associated factors of ATC in severely traumatic patients presenting to emergency department (ED). METHODS: In this retrospective cross sectional study, all patients with severe traumatic injury and available coagulation profile, presenting to the EDs of two major trauma centers in Tehran, Iran, during one year, were studied...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28919744/composite-iron-oxide-prussian-blue-nanoparticles-for-magnetically-guided-t1-weighted-magnetic-resonance-imaging-and-photothermal-therapy-of-tumors
#3
Shraddha S Kale, Rachel A Burga, Elizabeth E Sweeney, Zungho Zun, Raymond W Sze, Anthony Tuesca, J Anand Subramony, Rohan Fernandes
Theranostic nanoparticles offer the potential for mixing and matching disparate diagnostic and therapeutic functionalities within a single nanoparticle for the personalized treatment of diseases. In this article, we present composite iron oxide-gadolinium-containing Prussian blue nanoparticles (Fe3O4@GdPB) as a novel theranostic agent for T1-weighted magnetic resonance imaging (MRI) and photothermal therapy (PTT) of tumors. These particles combine the well-described properties and safety profiles of the constituent Fe3O4 nanoparticles and gadolinium-containing Prussian blue nanoparticles...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28914713/the-hyperfibrinolytic-phenotype-is-the-most-lethal-and-resource-intense-presentation-of-fibrinolysis-in-massive-transfusion-patients
#4
John R Taylor, Erin E Fox, John B Holcomb, Sandro Rizoli, Kenji Inaba, Martin A Schreiber, Karen Brasel, Thomas M Scalea, Charles E Wade, Eileen Bulger, Bryan A Cotton
BACKGROUND: Among bleeding patients, we hypothesized that the hyperfibrinolytic (HF) phenotype would be associated with the highest mortality, while shutdown (SD) patients would have the greatest complication burden. METHODS: Severely injured patients predicted to receive a massive transfusion at 12 level-1 trauma centers were randomized to one of two transfusion ratios as described in the PROPPR trial. Fibrinolysis phenotypes were determined based on admission clot lysis at 30 minutes (LY30): SD ≤0...
September 13, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28912593/effect-of-palm-based-tocotrienols-and-tocopherol-mixture-supplementation-on-platelet-aggregation-in-subjects-with-metabolic-syndrome-a-randomised-controlled-trial
#5
Yee-Lin Gan, Ju-Yen Fu, Oi-Ming Lai, Boon-How Chew, Kah-Hay Yuen, Kim-Tiu Teng, Kalanithi Nesaretnam, Kanga Rani Selvaduray, Puvaneswari Meganathan
Tocotrienols, the unsaturated form of vitamin E, were reported to modulate platelet aggregation and thrombotic mechanisms in pre-clinical studies. Using a Food and Drug Administration (FDA)-approved cartridge-based measurement system, a randomised, double-blind, crossover and placebo-controlled trial involving 32 metabolic syndrome adults was conducted to investigate the effect of palm-based tocotrienols and tocopherol (PTT) mixture supplementation on platelet aggregation reactivity. The participants were supplemented with 200 mg (69% tocotrienols and 31% α-tocopherol) twice daily of PTT mixture or placebo capsules for 14 days in a random order...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912525/pulse-transit-time-based-continuous-cuffless-blood-pressure-estimation-a-new-extension-and-a-comprehensive-evaluation
#6
Xiaorong Ding, Bryan P Yan, Yuan-Ting Zhang, Jing Liu, Ni Zhao, Hon Ki Tsang
Cuffless technique enables continuous blood pressure (BP) measurement in an unobtrusive manner, and thus has the potential to revolutionize the conventional cuff-based approaches. This study extends the pulse transit time (PTT) based cuffless BP measurement method by introducing a new indicator - the photoplethysmogram (PPG) intensity ratio (PIR). The performance of the models with PTT and PIR was comprehensively evaluated in comparison with six models that are based on sole PTT. The validation conducted on 33 subjects with and without hypertension, at rest and under various maneuvers with induced BP changes, and over an extended calibration interval, respectively...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28895715/a-pompon-like-runps-based-theranostic-nanocarrier-system-with-stable-photoacoustic-imaging-characteristic-for-accurate-tumor-detection-and-efficient-phototherapy-guidance
#7
Gengjia Chen, Meng Xu, Shuang Zhao, Jing Sun, Qianqian Yu, Jie Liu
Even though numerous therapeutic methods exist for cancer treatment, many fail to achieve ideal outcomes or have severe side effects. Here, we describe a theranostic nanocarrier system with improved tumor vasculature detection and tumor margin quantification that increases the accuracy and guidance efficiency of phototherapy. Novel pompon-like RuNPs with superb photothermal properties and high encapsulation efficiency were first synthesized via the polyol reducing method. Based on these RuNPs, we then developed a multifunctional theranostic system, pRu-pNIPAM@RBT, composed of poly(Nisopropylacrylamide) as the thermal-response switch and of [Ru(bpy)2(tip)]2+ as the photosensitizer of PDT and the contrast agent of biomedical imaging...
September 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28892609/molecular-engineering-of-conjugated-polymers-for-biocompatible-organic-nanoparticles-with-highly-efficient-photoacoustic-and-photothermal-performance-in-cancer-theranostics
#8
Bing Guo, Zonghai Sheng, Dehong Hu, Anran Li, Shidang Xu, Purnima Naresh Manghnani, Chengbo Liu, Lin Guo, Hairong Zheng, Bin Liu
Conjugated polymer nanoparticles (CP NPs) are emerging candidates of "all-in-one" theranostic nanoplatforms with dual photoacoustic imaging (PA) and photothermal therapy (PTT) functions. So far, very limited molecular design guidelines have been developed for achieving CPs with highly efficient PA and PTT performance. Herein, by designing CP1, CP2, and CP3 using different electron acceptors (A) and a planar electron donor (D), we demonstrate how the D-A strength affects their absorption, emission, extinction coefficient, and ultimately PA and PTT performance...
September 18, 2017: ACS Nano
https://www.readbyqxmd.com/read/28892360/in-vivo-imaging-guided-photothermal-photoacoustic-synergistic-therapy-with-bioorthogonal-metabolic-glycoengineering-activated-tumor-targeting-nanoparticles
#9
Lihua Du, Huan Qin, Teng Ma, Tao Zhang, Da Xing
Developing multifunctional phototheranostics with nanoplatforms offers promising potential for effective eradication of malignant solid tumors. In this study, we develop a multifunctional phototheranostic by combining photothermal therapy (PTT) and photoacoustic therapy (PAT) based on a tumor-targeting nanoagent (DBCO-ZnPc-LP). The nanoagent DBCO-ZnPc-LP was facilely prepared by self-assembling of a single lipophilic near-infrared (NIR) dye zinc(II)-phthalocyanine (ZnPc) with a lipid-poly(ethylene glycol) (LP) and following modified further with dibenzyl cyclootyne (DBCO) for introducing the two-step chemical tumor-targeting strategy based on metabolic glycoengineering and click chemistry...
September 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/28890109/nir-light-induced-tumor-phototherapy-using-photo-stable-icg-delivery-system-based-on-inorganic-hybrid
#10
Huijuan Zhang, Xiaoge Zhang, Xing Zhu, Jianjiao Chen, Qianqian Chen, Hongling Zhang, Lin Hou, Zhenzhong Zhang
NIR responsive inorganic hybrid (Ti@GO) was synthesized. It could absorb NIR light and convert it into local hyperthermia and ROS synchronously. Ti@GO was firstly developed as photosensitizer and photothermal agent to realize tumor PTT and PDT. For anti-tumor application, HA was grafted on Ti@GO simultaneously as water solubility improver and tumor targeting moiety. ICG was chose as model drug. Results demonstrated HA-Ti@GO could remarkably improve ICG stability and drug accumulation in 4 T1 cells, to enhance tumor phototherapy efficiency and reduce light-associated side effects...
September 7, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28889191/high-tibial-slope-correlates-with-increased-posterior-tibial-translation-in-healthy-knees
#11
Imke Schatka, Andreas Weiler, Tobias M Jung, Thula C Walter, Clemens Gwinner
PURPOSE: Notwithstanding the importance of the tibial slope (TS) for anterior tibial translation, little information is available regarding the implications on posterior laxity, particularly in healthy subjects. It was hypothesized that increased TS is associated with decreased posterior tibial translation (PTT) in healthy knees. METHODS: A total of 124 stress radiographs of healthy knees were enrolled in this study. Tibial slope and the posterior tibial translation were evaluated using a Telos device with a 150-N force at 90° of knee flexion...
September 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28883606/photothermal-enhancement-of-chemotherapy-in-breast-cancer-by-visible-irradiation-of-gold-nanoparticles
#12
Rita Mendes, Pedro Pedrosa, João C Lima, Alexandra R Fernandes, Pedro V Baptista
Photothermal Therapy (PTT) impact in cancer therapy has been increasing due to the enhanced photothermal capabilities of a new generation of nanoscale photothermal agents. Among these nanoscale agents, gold nanoshells and nanorods have demonstrated optimal properties for translation of near infra-red radiation into heat at the site of interest. However, smaller spherical gold nanoparticles (AuNPs) are easier to produce, less toxic and show improved photoconversion capability that may profit from the irradiation in the visible via standard surgical green lasers...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28880196/estimation-of-pulse-transit-time-from-radial-pressure-waveform-alone-by-artificial-neural-network
#13
Hanguang Xiao, Mark Butlin, Isabella Tan, Ahmad Qasem, Alberto Avolio
OBJECTIVE: To validate the feasibility of the estimation of pulse transit time (PTT) by artificial neural network (ANN) from radial pressure waveform alone. METHODS: A cascade ANN with ten-fold cross validation was applied to invasively and simultaneously recorded aortic and radial pressure waveforms during rest and nitroglycerin infusion (n=62) for the estimation of mean and beat-to-beat PTT. The results of the ANN models were compared to a multiple linear regression (LR) model when the features of radial arterial pressure waveform in time and frequency domains were used as the predictors of the models...
September 1, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28874625/a-rare-case-of-squamous-cell-carcinoma-of-a-proliferating-trichilemmal-tumour
#14
Bruno Di Pace, Vincenzo Verdura, Marina Concilio, Carlo Baldi, Pio Zeppa, Giovanni Francesco Nicoletti, Corrado Rubino
INTRODUCTION: Squamous Cell Carcinoma (SCC) includes several subtypes and these can be classified according to their clinical behaviours from the least invasive to the most aggressive. Moreover, it is appropriate to analyse their clinicalpathological patterns 1. In light of its wide histopathological variability, we encountered a rare malignant cutaneous lesion: a SCC of a proliferating trichilemmal tumour (PTT) nature. CASE REPORT: We describe the clinical and pathologic findings of an 82-year-old woman, who developed a SCC with areas of trichilemmal differentiation...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28872842/core-shell-shell-multifunctional-nanoplatform-for-intracellular-tumor-related-mrnas-imaging-and-near-infrared-light-triggered-photodynamic-photothermal-synergistic-therapy
#15
Yao Cen, Wen-Jing Deng, Yuan Yang, Ru-Qin Yu, Xia Chu
A multifunctional nanoplatform, which generally integrates biosensing, imaging diagnosis, and therapeutic functions into a single nanoconstruct, has great important significance for biomedicine and nanoscience. Here, we developed a core-shell-shell multifunctional polydopamine (PDA) modified upconversion nanoplatform for intracellular tumor-related mRNAs detection and near-infrared (NIR) light triggered photodynamic and photothermal synergistic therapy (PDT-PTT). The nanoplatform was constructed by loading a silica shell on the hydrophobic upconversion nanoparticles (UCNPs) with hydrophilic photosensitizer methylene blue (MB) entrapped in it, and then modifying PDA shells through an in situ self-polymerization process, thus yielding a core-shell-shell nanoconstruct UCNP@SiO2-MB@PDA...
September 13, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28870236/acquired-hemophilia-a-in-an-advanced-age-patient-of-hispanic-origin-a-case-report
#16
Nalyssa I Rivera Cora, Freddie Irizarry Delgado, Santa M Merle Ramírez, Jorge Vera Quiñones
BACKGROUND: Acquired Hemophilia A (AHA) is a rare hematological disorder that exhibits an incidence of approximately 1.5 cases per million patients a year. It is characterized by the development of autoantibodies against circulating Factor VIII coagulation proteins which, in turn, which in turn lead to potentially life-threatening hemorrhagic episodes. The incidence of AHA increases with age; with 80% of the affected patient population encompassing men and women that are 65 years or older...
September 4, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28869267/multimodal-imaging-and-photothermal-therapy-were-simultaneously-achieved-in-the-core-shell-ucnr-structure-by-using-single-near-infrared-light
#17
Chen Wang, Liangge Xu, Jiating Xu, Dan Yang, Bin Liu, Shili Gai, Fei He, Piaoping Yang
Core-shell nanostructures consisting of plasmonic materials and lanthanide-doped upconversion nanoparticles (UCNPs) show promising applications in theranostics including bio-imaging, diagnosis and therapy. However, some challenges still remain in the synthetic control because of the non-coordination between energy transfer and photothermal therapy (PTT). Herein, we developed a novel type of thermal-fluorescent core-shell hybrid nanocomposite incorporating rare-earth Yb(3+) and Er(3+) ion doped GdOF as the shell and gold nanorods (GNRs) as the core, creating upconversion nanorods (UCNRs) of GNRs@GdOF:Yb(3+),Er(3+)...
September 4, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28867175/thrombo-hemorrhagic-liability-in-children-with-congenital-heart-diseases
#18
REVIEW
Shebl Said Shebl, Walid Ahmed Naguib El-Shehaby, Amira Hamed Darwish, Yasmin Shebl Said, Nabeh Helal Elfadaly, Eman Amer
BACKGROUND: The precise mechanisms of the increased incidence of hemostatic abnormalities in congenital heart disease (CHD) have not been determined. The aim of the study was to evaluate some indicators of activation of platelets and vascular endothelial cells in patients with CHD, evaluation of bleeding liability of these patients, and correlation with the clinical presentation of these patients. METHODS: This work was carried out on 20 patients with cyanotic congenital heart disease (CCHD), 20 patients with cyanotic congenital heart disease (ACHD), and 20 healthy children who served as the control group, aged between 1 and 10years...
August 26, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28866143/construction-of-icg-encapsulated-w18o49-msn-as-a-fluorescence-carrier-for-real-time-tracked-photothermal-therapy
#19
Hui-Quan Wang, Peng-Fei Hu, Yu Zheng, Zhe Zhao, Bin Zheng, Jin Chang, Han-Jie Wang, Jin-Hai Wang
Photothermal therapy (PTT) has drawn tremendous attention because of its high therapeutic efficiency in targeting cells while minimizing the damage to normal tissues and organs. Tungsten oxide (W18O49, WO) plays a pivotal role in PTT development and its use in PTT systems has been extensively studied. However, it is difficult to control morphology of WO through conventional hydrothermal method. Which make its related researches have been limited up to now. In this study, we describe the construction and effects on tumor of a novel nanoplatform based on WO and indocyanine green (ICG) loaded in mesoporous silica nanoparticles (MSN) for dual-modal PTT and near-infrared imaging...
November 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28865347/time-varying-assessment-of-heart-rate-variability-parameters-using-respiratory-information
#20
Layli S Goldoozian, Edmond Zahedi, Vicente Zarzoso
Analysis of heart rate variability (HRV) is commonly used for characterization of autonomic nervous system. As high frequency (HF, known as the respiratory-related) component of HR, overlaps with the typical low frequency (LF) band when the respiratory rate is low, a reference signal for HF variations would help in better discriminating the LF and HF components of HR. The present study proposes a model for time-varying separation of HRV components as well as estimation of HRV parameters using respiration information...
August 1, 2017: Computers in Biology and Medicine
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