when should magnetic resonance imaging be used for patients with suspected meniscal or ligamentous knee injuries

Báo cáo y học: "Voxel-based structural magnetic resonance imaging (MRI) study of patients with early onset schizophrenia" potx

Ngày tải lên : 08/08/2014, 23:21

... especially for those with onset before brain maturation, a wide range of disturbed neural circuits, including these brain regions that show no apparent morphological changes, may contribute to the formation ... researchers have focused on the exploration of brain morphology in patients with EOS, defined herein as schizophrenia with onset under age 18 [4-6] Using magnetic resonance imaging (MRI), some ... involve interconnections between the posterior cingulate gyrus and the temporal lobe [66] and between the thalamus and frontal lobe [67,68] Page of 11 (page number not for citation purposes) Annals...

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Báo cáo khoa học: "Drotrecogin alfa (activated) should not be used in patients with severe sepsis and low risk for death" pdf

Ngày tải lên : 13/08/2014, 03:20

... respiratory distress syndrome Recommendation We concur with the ADDRESS authors DrotAA should not be used in patients with severe sepsis and low risk for death Competing interests The authors declare ... values of 7–9 g/dL in absence of coronary artery disease or acute hemorrhage Lung protective ventilation for ALI/ARDS Semirecumbent bed position Protocols for weaning and sedation/analgesia Avoidance ... investigators [4-6] Among the 324 (12.3%) subjects with APACHE II scores of 25 or more, there was no observed benefit for DrotAA use In fact, 28-day mortality was higher in DrotAA-treated subjects...

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Báo cáo y học: "The appropriateness of single page of activation of the cardiac catheterization laboratory by emergency physician for patients with suspected ST-segment elevation myocardial infarction: a cohort study" doc

Ngày tải lên : 13/08/2014, 23:20

... t-test was used for continuous variables and Fisher’s exact test and a chisquared test were used for categorical variables Nonnormally distributed continuous variables were compared according to ... cardiac catheterization laboratory by emergency physician for patients with suspected ST-segment elevation myocardial infarction CCL: cardiac catheterization laboratory, EP: emergency physician, ... activation for patients with suspected STEMI depending on the definition of a false positive were as follows: 89.8% (105/117) of patients were determined by the Figure Flowchart for single page...

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Báo cáo y học: "Autologous chondrocyte implantation for cartilage repair: monitoring its success by magnetic resonance imaging and histology" ppt

Ngày tải lên : 09/08/2014, 01:21

... overgrowth or incorporation The fact that the MRI scores were lower for the patients treated with ACI and mosaicplasty combined almost certainly reflects more interference within the joint for these patients ... integrity and contour = normal or near normal, = abnormal Cartilage signal in graft region = normal or near normal, = abnormal Cartilage thickness = normal or near normal, = abnormal Vascularisation ... except for the unusually sulfated chondroitin-6-sulfate epitopes, 3-B-3(–) and 7-D-4, which had no pretreatment Sections were fixed in 10% formalin before incubation with the primary antibody (before...

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báo cáo khoa học: " N-hexanoyl chitosan stabilized magnetic nanoparticles: Implication for cellular labeling and magnetic resonance imaging" pps

Ngày tải lên : 11/08/2014, 00:22

... laboratory, RBKc helped with polymer modification, MS helped with the molecular biology work, SYK and MSK coordinated experiments, PHH provided important advice for the experiments and coordinated ... were further used for Prussain blue staining using K4 [Fe(CN)6] reagents Iron determination was performed by colorimetric determination method Magnetic resonance (MR) study of MC-IOPs For MR study, ... images show the core particle size, without the contribution from the MC; since the MC layer normally collapses onto the IOPs surface when the dispersion medium is evaporated prior to imaging It is...

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Báo cáo y học: "Diffusion-weighted magnetic resonance imaging for predicting the clinical outcome of comatose survivors after cardiac arrest: a cohort study" pptx

Ngày tải lên : 13/08/2014, 20:21

... for dizziness; they were free of neurological disorders or brain trauma with normal brain MRIs Informed consent was obtained from the patients relatives and all controls Magnetic resonance imaging ... value or a control ADC value ROI sizes varied by region, using mm2 for cortex, 10 mm2 for the caudate nucleus and putamen and 25 to 40 mm2 for the subcortical white matter, thalamus, cerebellum, ... two different scanners were used for the patients, and a smaller number of patients than all of the study patients were used to determine the cutoff value of the ADC for predicting an unfavourable...

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Magnetic resonance imaging techniques for contrast enhanced cellular and molecular imaging

Ngày tải lên : 11/09/2015, 10:01

... Specific/Non-specific Imaging In order to be useful as a beacon for a specific molecular process, a probe has to be linked to the biomarker for that particular event Therefore it usually has a ... iron-oxide particles MRI magnetic resonance imaging MRS magnetic resonance spectroscopy MUTE multiple-echo ultrashort echo-time NMR nuclear magnetic resonance ORI off -resonance imaging PHIP parahydrogen ... tomography (SPECT) (64), paramagnetic (Gd3+, Mn2+) (65,66) or superparamagnetic (ironoxides) (61,67) contrast agents for magnetic resonance imaging detection, and fluorescent dyes for optical detection...

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Microgel iron oxide nanoparticles for tracking of stem cells through magnetic resonance imaging

Ngày tải lên : 14/09/2015, 08:49

... repopulation has been more difficult than for haemopoietic stem cells (HSC) (Thomas, 2008; Horwitz, 2005) Moreover, in vivo integration and differentiation have been proven by teratoma formation with embryonic ... analogues (Chen, 2001) or lipophilic carbocyanine (Arbab, 2008) before implantation Although this method can be used when donor and recipient are of the same species or sex, it can be complicated by ... ability of the former to bind to G-protein coupled receptors to mediate directional migration (Baggiolini, 2001; Chamberlain, 2007) Only a few recent studies probed for most or all receptor expression...

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Formulation of superparamagnetic iron oxides by nanoparticles of biodegradable polymer for magnetic resonance imaging (MRI)

Ngày tải lên : 06/10/2015, 21:15

... pool agents for perfusion imaging of brain or myocardial ischemic diseases For example, Sinerem®, 17 which is currently being used for tumour detection, consists of magnetite particles with a 30 ... to 10 form dry powders for storage However, this method is only suitable for small-scale production Spray-drying Technologies such as spray-dry and spray-freeze-dry have been developed for mass ... Lumirem®, silicon-coated particles with 300 nm diameter, and Endorem®, magnetite particles with a 150 nm diameter They are used for gastro-intestinal tract imaging and for liver and spleen disease detection,...

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Tài liệu Magnetic resonance imaging and gynecological devices doc

Ngày tải lên : 13/02/2014, 07:20

... technically contraindicated or suboptimal, such as for overweight women or for those with a retroverted uterus Research in PubMed-Medline/Ovid using the keywords Magnetic Resonance and “Intra-Uterine ... have been shown not to increase the risk for patients, though potentially compromising the quality of diagnostic information) and MR Compatible (devices which not increase the risk for patients ... demand for information regarding the safety of its application to patients with implants or other medical devices As such, the Food and Drug Administration (FDA) has acknowledged the need for conduct...

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Tài liệu Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Edited by Rakesh Sharma doc

Ngày tải lên : 19/02/2014, 23:20

... functional MRI data from patients with severe brain injuries Most obvious is the issue of normalization For example, patients with traumatic injury may have abnormal or deformed brain structures ... the cerebellum has been shown to be associated with INS (Leguire et al., 2011b) Similarly the cerbellar vermis, also has been found to be active in patients with bipolar disorder while performing ... G., Fulbright, R K., Gore, J C & Awad, I A (1997) Cerebral vascular malformations adjacent to sensorimotor and visual cortex functional magnetic resonance imaging studies before and after therapeutic...

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Báo cáo hóa học: " Adenoviruses with an avb integrin targeting moiety in the fiber shaft or the HI-loop increase tumor specificity without compromising antitumor efficacy in magnetic resonance imaging of colorectal cancer metastases" pdf

Ngày tải lên : 18/06/2014, 16:20

... HI loop of fiber knob for avb integrin targeting AdTLYG -Y477A substitution in DE loop of fiber knob for CAR ablation -Fiber shaft’s KKTK domain mutated to GATK for HSPG ablation -Fiber shaft’s ... tumors The growth of liver metastasis was analyzed with magnetic resonance imaging (MRI) Tumors are marked with arrows Picture of liver metastasis of mock treated (PBS) animal (A) day before ... Adenoviruses with an avb integrin targeting moiety in the fiber shaft or the HI-loop increase tumor specificity without compromising antitumor efficacy in magnetic resonance imaging of colorectal...

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báo cáo hóa học:" Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion" doc

Ngày tải lên : 20/06/2014, 01:20

... score their breathing effort before and after operation using a scale of 1–9 with ascending order of effort Score was equivalent to nonawareness of breathing effort at rest Score 1–3 was equivalent ... history of pulmonary diseases and they were free from any respiratory symptoms or acute respiratory infection at the time of the MR studies before and after operation Ethical approval and informed ... included for scheduled posterior spinal fusion without thoracoplasty from 2002 to 2004 The surgical procedure was performed under SSEP monitoring It consisted of a standard midline posterior exposure,...

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Báo cáo hóa học: " Carbon-coated iron oxide nanoparticles as contrast agents in magnetic resonance imaging" potx

Ngày tải lên : 20/06/2014, 23:20

... studied because of their high application potential [4-9] Recently, much research interest has been expended on the ferromagnetic iron oxide materials generally used for magnetic data storage as magnetic ... the ferrofluids, used as contrast agents in magnetic resonance imaging [MRI] [10-13] The carbon coating provides an effective oxidation barrier and prevents corrosion in magnetic core materials ... cores endows better dispersibility and stability than those shown by bare iron oxide nanoparticles In general, different approaches have been employed for the synthesis of carbon coatings, for...

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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 1 ) pptx

Ngày tải lên : 29/06/2014, 09:21

... examination is particularly important with drugs that are either rarely used or have been newly released on the market Every dosage schedule or every form of application used is entirely at the user’s ... segment of upper lobe Posterior segment of upper lobe Anterior segment of upper lobe Lateral segment of middle lobe Medial segment of middle lobe Superior segment of lower lobe Medial basal (cardiac) ... lower lobe Anterior basal segment of lower lobe Lateral basal segment of lower lobe 10 Posterior basal segment of lower lobe Left Lung 1+2 Apicoposterior segment of upper lobe Anterior segment...

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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 2 ) doc

Ngày tải lên : 29/06/2014, 09:21

... 23 24 25 26 Rib Erector spinae muscle Costodiaphragmatic recess Latissimus dorsi muscle Right kidney Serratus posterior inferior muscle Quadratus lumborum muscle Psoas major muscle Iliac crest ... 40 Quadratus lumborum muscle 41 Iliac crest 42 Lumbar plexus 43 Sacrum 44 Superior rectal artery 45 Sigmoid colon 46 Piriformis muscle 47 Superior phrenic lymph nodes 48 Inferior phrenic lymph ... Liver (caudate lobe) 34 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Ligamenta flava Thoracic vertebra (T10) Spinous process Hepatic portal vein Inferior vena cava Inferior mesenteric...

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MRI (Magnetic Resonance Imaging) pot

Ngày tải lên : 25/07/2014, 20:20

... vô hại MRI không sử dụng xạ ion hoá giống phương pháp chụp X quang thường quy (Nobel Vật lý -1901) chụp CT (Nobel Y học -1979) Tuy nhiên, có nhược điểm bệnh nhân phải tiêm kim loại từ mang máy ... tiểu phẫu não 2 Nguyên lý tạo ảnh Ở phương pháp chụp ảnh cộng hưởng từ hạt nhân MRI (Magnetic Resonnance Imaging) , người ta đưa thể bệnh nhân vào vùng có từ trường chiều mạnh, phổ biến dùng từ ... theo điều trị So sánh MRI với CT Chụp cắt lớp điện toán (CT Scan) sử dụng tia X hệ thống detector thu thập tín hiệu khác điểm thể sau tái tạo lại hình ảnh theo lát cắt Chụp cộng hưởng từ (MRI)...

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Báo cáo y học: "Functional magnetic resonance imaging (fMRI) of attention processes in presumed obligate carriers of schizophrenia: preliminary findings" ppsx

Ngày tải lên : 08/08/2014, 23:21

... in concordance with previous neuroimaging studies in POCs with very small sample sizes, e.g for Steel et al (2002) [14]; 11 for Chua et al (2000) [57]; for Sharma et al (1999) [58]; 10 for Spence ... thalamus, R fusiform gyrus, bilateral culmen, bilateral inferior and superior parietal lobe, bilateral inferior occipital gyri, L superior and inferior temporal gyri, and R middle temporal gyrus during ... JM, Horton NJ, Makris N, Falkai P, Caviness VS, Tsuang MT: A review and new report of medial temporal lobe dysfunction as a vulnerability indicator for schizophrenia: a magnetic resonance imaging...

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