in vivo cerebral 31 p magnetic resonance spectroscopy

... H-MRS: Proton magnetic resonance spectroscopy; Lac: Lactate; lip: Lipid; LV: Low voltage; MDI: Mental Developmental Index; mIns: myo-inositol; MR: Magnetic resonance; MRI: Magnetic resonance imaging; ... asphyxiated neonates; mIns/NAA was found to be the best and age-independent predictor Keywords: Perinatal asphyxia, Hypoxic-ischemic encephalopathy, Proton magnetic resonance spectroscopy, Conventional ... MD Hypoxic-ischemic encephalopathy: a review for the clinician JAMA Pediatr 2015;169:397 –403. 9 Barker PB, Lin DDM In vivo proton MR spectroscopy of the human brain Prog Nucl Magn Reson Spectrosc

Ngày tải lên: 01/02/2020, 21:26

... in the MCA territory in both groups (e.g Fig 8) In the acute group, there was also apparent increased T2 in proximate regions corresponding to increased Fluoro-Jade stain-ing (e.g Fig 8a–f) In ... (outlined in red) in the slice adjacent to the PT Trang 8similar to those in the temporal cortex However, again power was suboptimal Histological correspondence of the combined insults Brain ... T2 increases following PT + tMCAO, in the acute group, regions in the vicinity of the lesion with increased T2 generally corresponded to increased Fluoro-Jade staining and marked vacuolation in

Ngày tải lên: 04/12/2022, 15:04

... surpreendentes; • É o método de imagem de escolha para detectar pequenas lesões como placas de esclerose multipla; • Ao contrário da Tomografia Computadorizada, MRI proporciona imagens limpas ... gorduroso é hiperintenso (claro)subst branca; - Água é hipointensa (escuro) subst cinzenta; - Ar e estruturas calcificadas sem sinal (preto); - Resolução fina da anatomia; Trang 5Imagem por ressonância ... magnética• T2: - Tecido gorduroso é hipointenso (escuro) subst branca; - Água é hiperintensa (claro)  subst Cinzenta; - Ar e estruturas calcificadas sem sinal (preto); - Baixa resolução; - Melhor

Ngày tải lên: 28/04/2023, 15:36

... be help-ful in this respect Localization of signs of inflammation showed the dominance of the palmar aspect in PIP joints and a slight dominance of the dorsal aspect in MCP joints In our opinion, ... The following numbers of joints were evaluated (1,832 in total): 240 MCP second, 240 MCP third, 236 MCP fourth, 236 MCP sixth, 220 PIP second, 220 PIP third, 220 PIP fourth, and 220 PIP fifth All ... coronal pre-Gd-DTPA (gadolinium-dieth-ylenetriamine penta-acetic acid) and post-Gd-DTPA T1-weighted spin-echo magnetic resonance sequences of the second to fifth MCP and second to fifth PIP joints

Ngày tải lên: 09/08/2014, 07:20

... Canada) J-PP and JM-P declare nonfinancial competing interests as consultants of Procter & Gamble Pharmaceuticals and financial competing interests and/or holder of stocks and/or options in ArthroVision ... symptoms, including worsening of pain at 24 months Competing interests JFB, GAC, and JMM declare that they have financial compet-ing interests as employees of and/or holders of stocks and/or options ... rate the pain they were experiencing that day (patient pain score: 0 = no pain; 100 = most severe pain) Finally, the SF-36, a generic quality-of-life instrument, was administered to the patients

Ngày tải lên: 09/08/2014, 10:20

... findings that were not revealed by US included erosions in MCP joints (PsA), 13 PIP joints (10 PsA and RA), and DIP joints (PsA) and proliferations in DIP joints (PsA) In the 2nd–4th MTP joints, ... persons = 20 fingers (20 MCP, 20 PIP, and 20 DIP joints) and 50 MTP joints DIP, distal interphalangeal; MCP, metacarpophalangeal; MTP, metatarsophalangeal; PIP, proximal interphalangeal erosions visible ... tenderness of the finger and MTP joints (in all 34 joints per person) One patient with PsA had had joint replacement in MCP joints and total anchylosis in one PIP joint These joints were not assessed

Ngày tải lên: 09/08/2014, 10:21

... an important problem [44], which decides the application prospect of as-pre- pared nanoprobes. Our results fully showed that as-pre- pared nanoprobes did not damage important organs including ... gas- tric cancer patients. Preparation and Characterization of BRCAA1- FMNPs nanoprobes As shown in Figure 2A, prepared FMNPs were composed of silica-wrapped CdTe and magnetic nanoparticles, their ... cell line MCF-7cells [AF208045, also called ARID4B (AT-rich interactive domain-containing protein 4B)], and identified its anti- gen epitope peptide SSKKQKRSHK [7,8]. We also pre- pared BRCAA1 polyclonal

Ngày tải lên: 11/08/2014, 00:23

... Arthroscopy Arthroscopy and synovial biopsy of the involved knee joint was performed at two time points (weeks 0 and 12), with a Storz arthroscope and 1.5 mm grasping for-ceps Biopsy samples were ... intimal lining layer was highlighted manually per image, such that staining could be quantified in two areas - the intimal lining (ll) and synovial sublining (sl) layers Analysis was performed using ... etanercept group compared to the anakinra group Nineteen of the 25 patients achieved an improvement in DAS28 of >1.2 and are labelled responders (5 anakinra and 14 etanercept), and 6 patients

Ngày tải lên: 12/08/2014, 15:22

... fails to predict outcome accurately Magnetic resonance spectroscopy This sequence is a noninvasive technique for assessing brain metabolism in vivo Proton-magnetic resonance spectro-scopy (MRS) ... activating system (ARAS), the primary arousal structure, is located in the upper pons and lower midbrain in the posterior part of the upper two-thirds of the brainstem [90,91] A ventral pathway ... low NAA/creatine ratio in the hemispheres and in the pons predicts a poor outcome In anoxic/hypoxic encephalopathy, the factor of greatest adverse significance appears to be the presence of diffuse

Ngày tải lên: 13/08/2014, 08:20

... (25 in 1,000) Table 1 Cervical spine instability studies in obtunded/comatose blunt trauma patients with no apparent spinal deficit and negative cervical spine plain radiographs with supplementary ... MRI scanning Because brain injured patients are placed in the supine posi-tion during MRI scanning, a comparison of risks by posiposi-tion was undertaken A PubMed literature search was performed ... ICP was documented in the supine and head-up positions in comatose, trauma patients Also, because of supine positioning during MRI scanning, a review was undertaken to assess the risk for aspiration

Ngày tải lên: 13/08/2014, 11:22

... warmhearted help and great support to my job hunting I am also indebted to my previous main supervisor, Prof Joshua Wei Li, who left for UESTC, for initiating the interesting project and giving valuable ... 2.1: Parallel-plate applicator For example, shown in Fig 2.1 is a parallel-plate applicator [48], which is excited by power loss W absorbed in the dielectric is calculated using the complex permittivity ... Dielectric Heating Principle Trang 27Microwave dielectric heating is based on the principle of generating heat for dielectrics by applying an alternating electric field [48] At microscopic level,

Ngày tải lên: 09/09/2015, 10:20

... to study protein-protein interactions in vivo The thesis is organized into the following chapters: Chapter 1 starts with discussing the importance of green florescent proteins (GFP) in modern ... divided into two parts In the first part, the binding between a small GTPases protein Trang 9viii culture was compared with that in zebrafish embryo In the second part, SW-FCCS is applied to study interaction ... different processes in a cell, protein-protein interactions play an important role in a cell system As a cell functions through a network of protein-protein interactions, it is vital to study these interactions

Ngày tải lên: 10/09/2015, 08:38

... non-enhancing brain tumors in magnetic resonance images,” Artificial Intelligence in Medicine, vol 21, pp 43–63, 2001 [16] S Shen, W Sandham, and M Granat, “Preprocessing and segmentation of brain magnetic ... assessing and improving 3d object segmentation,” in Proc MICCAI, Springer LNCS 2208, pp 516–523, 2001 [...]... classification using a small training set, and the result depends on the training ... evolution process Two threshold-updating schemes, searchbased and adaptive, are provided in this approach that require different degrees of user involvement In the second approach, one-class SVM (support

Ngày tải lên: 08/11/2015, 17:33

... Figure 30 Pre- and post-operative coronary angiography, patient with ALCAPA A: Preop injection into the dilated RCA and retrograde staining of the LCA and MPA B: Post-Op injection into the LCA ... segment in a patient with aberrant LCA preand post - MIDCAP operation MPR values increased post-operation in all myocardial segments 46 Figure 18 Comparison of mean MBF at rest between patients ... Mulvagh 2004), single photon emission computed tomography (SPECT) and positron emission tomography (PET) More recently, cardiac magnetic resonance (CMR) imaging has emerged as a promising diagnostic

Ngày tải lên: 20/05/2016, 20:50

... pain processing centers in the brain Larger BOLD signal increases were seen in the patient group compared to the control group in pain-related regions including the ACC, insula, parietal operculum ... of pain-related words suggested increases in neural activation in patients compared to controls in regions previously reported as being involved in pain perception and emotion: the anterior cingulate ... demanding in this group), and therefore this does not indicate a Stroop ef-fect In imaging studies of pain words using alternative paradigms to Stroop [47], changes in centers involved in pain perception

Ngày tải lên: 10/01/2020, 15:04

... supervised the research program and edited the manuscript HZ played a key role in implement BSGI test, revising the manuscript All authors read and approved the final manuscript. Competing interests ... documented in two perpendicular planes The ultrasound positives were defined by an expert as highly suspected and suggestive of biopsy or operation Mammography review The mammographic reports of ... that they have no competing interests. Consent for publication Not applicable. Ethics approval and consent to participate This study was approved by Second Affiliated Hospital of Zhejiang University

Ngày tải lên: 21/09/2020, 01:57

... using single photon emission computed tomog-raphy (SPECT) or positron emission tomogtomog-raphy- tomography-computed tomography (PET/CT) All patients’ clinical stages were reclassified according ... 0.0001) in the patients with infratemporal fossa involvement (IFI) Conclusions: MSI was an independent prognostic factor for OS and DMFS NPCs invading the masticator space should be separately ... 742 pa-tients, 57 developed locoregional relapse including 47 cases of nasopharyngeal relapse and 10 cases of cervical lymph node relapse 92 patients developed distant me-tastasis including 21

Ngày tải lên: 14/10/2020, 15:25

... The kinetic features included EPE and SER, defined by [43] EPE ¼I0− Iinit Iinit % SER ¼ I0− Iinit Ilast− Iinit% whereI0,IinitandIlastrepresent the signal intensity in pre-contrast, first post-contrast ... different imaging protocols The selected compact feature subsets achieved a high diagnostic performance and thus are promising in clinical applications for discriminating lesion type and for personalized ... the findings on an independent patient group by changing the magnetic field from 1.5-Tesla to 3.0-Tesla Methods: This retrospective study consisted of a training group of 234 female patients, including

Ngày tải lên: 05/11/2020, 00:33

... minI=min(f(m2:m1)); f1=f/maxI*100; ppeak1=ppeak1; ppeak2=ppeak2; ppeak3=ppeak3; wpeak1=wpeak1; wpeak2=wpeak2; wpeak3=wpeak3; hpeak1=hpeak1; hpeak2=hpeak2; hpeak3=hpeak3; for k=1:1000 dp(k)=ppeak1+(-500+k)*(SWs-SWe)/SI; ... groups in a compound For example, the cross peak in the COSY spectrum of sample NNI1 shown in Figure 2.4A at (3.70ppm, 1.39ppm) represents alanine, 3.70ppm corresponding to CH proton while 1.39ppm ... dp(k)=ppeak1+(-500+k)*(SWs-SWe)/SI; s1(k)=hpeak1*wpeak1/(wpeak1^2+(2*pi*(ppeak1-dp(k)))^2); s2(k)=hpeak2*wpeak2/(wpeak2^2+(2*pi*(ppeak2-dp(k)))^2); s3(k)=hpeak3*wpeak3/(wpeak3^2+(2*pi*(ppeak3-dp(k)))^2); s(k)=s1(k)+s2(k)+s3(k);...

Ngày tải lên: 10/11/2015, 11:35

... interval [1 ppm, 4.44 ppm] were suppressed Residual resonances are visible for K = 25 in the water and reference peak regions, i.e., 4.7 ppm, ppm and 8.44 ppm Step Damping estimation Computation ... human brain) and an in vitro (NAA) MRS signal obtained at 1.5 T was done by suppressing all peaks in the frequency region outside the intervals [0 ppm, 4.3 ppm] and [1 ppm, 4.44 ppm], respectively ... Hassel 29 Chapter MR Spectroscopy in Multiple Sclerosis - A New Piece of the Puzzle or Just a New Puzzle 47 Fahmy Aboul-Enein Chapter Wilsons Disease in Brain Magnetic Resonance Spectroscopy 73 Beata...

Ngày tải lên: 17/03/2014, 02:20