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排序方式: 共有246条查询结果,搜索用时 31 毫秒
1.
David Sevrain Matthieu Dubreuil Grace Elizabeth Dolman Abed Zaitoun William Irving Indra Neil Guha Christophe Odin Yann Le Grand 《Biomedical optics express》2015,6(4):1209-1218
In this paper we analyze a fibrosis scoring method based on measurement of the fibrillar collagen area from second harmonic generation (SHG) microscopy images of unstained histological slices from human liver biopsies. The study is conducted on a cohort of one hundred chronic hepatitis C patients with intermediate to strong Metavir and Ishak stages of liver fibrosis. We highlight a key parameter of our scoring method to discriminate between high and low fibrosis stages. Moreover, according to the intensity histograms of the SHG images and simple mathematical arguments, we show that our area-based method is equivalent to an intensity-based method, despite saturation of the images. Finally we propose an improvement of our scoring method using very simple image processing tools.OCIS codes: (180.4315) Nonlinear microscopy, (170.1610) Clinical applications, (170.3880) Medical and biological imaging, (170.4580) Optical diagnostics for medicine, (110.2960) Image analysis 相似文献
2.
A European multicentre survey of impulse control behaviours in Parkinson's disease patients treated with short‐ and long‐acting dopamine agonists 下载免费PDF全文
3.
Holger Honig MD Angelo Antonini MD Pablo Martinez‐Martin MD Ian Forgacs FRCP Guy C. Faye FRCP Thomas Fox MD Karen Fox MD Francesca Mancini MD Margherita Canesi MD Per Odin MD PhD K. Ray Chaudhuri MD FRCP DSc 《Movement disorders》2009,24(10):1468-1474
Switching from oral medications to continuous infusion of levodopa/carbidopa gel reduces motor complications in advanced Parkinson's disease (PD), but effects on nonmotor symptoms (NMSs) are unknown. In this prospective open‐label observational study, we report the effects of intrajejunal levodopa/carbidopa gel infusion on NMS in PD based on standard assessments utilizing the nonmotor symptoms scale (NMSS) along with the unified Parkinson's disease rating scale (UPDRS 3 motor and 4 complications) and quality of life (QoL) using the Parkinson's disease questionnaire (PDQ‐8). Twenty‐two advanced PD patients (mean age 58.6 years, duration of disease 15.3 years) were followed for 6 months. A statistically significant beneficial effect was shown in six of the nine domains of the NMSS: cardiovascular, sleep/fatigue, attention/memory, gastrointestinal, urinary, and miscellaneous (including pain and dribbling) and for the total score of this scale (NMSST) paralleling improvement of motor symptoms (UPDRS 3 motor and 4 complications in “best on” state) and dyskinesias/motor fluctuations. In addition, significant improvements were found using the Parkinson's disease sleep scale (PDSS) and the PDQ‐8 (QoL). The improvement in PDQ‐8 scores correlated highly significantly with the changes in NMSST, whereas a moderately strong correlation was observed with UPDRS changes. This is the first demonstration that a levodopa‐based continuous dopaminergic stimulation is beneficial for NMS and health‐related quality of life in PD in addition to the reduction of motor fluctuations and dyskinesias. © 2009 Movement Disorder Society 相似文献
4.
F. Pepino P. Granchamp I. Odin E. Decroisette N. Nathan 《Annales fran?aises d'anesthèsie et de rèanimation》2009
Inherited bleeding disorders contraindicate epidural analgesia because of the risk of epidural haematoma. However, there is no consensus about a minimal rate of factor XI required for its performance. We report here a case of epidural analgesia in a pregnant woman with a moderate and symptomatic factor XI deficiency, despite this theoretical contraindication. Indeed, the factor XI deficiency results in a haemorrhagic risk which is variable and not easily foreseeable. Nevertheless, no neurological after-effect or excessive bleeding occurred although no specific prophylaxis had been performed. 相似文献
5.
Christine B. Schneider MD Maximilian Pilhatsch MD Martina Rifati Wolfgang H. Jost MD Franziska Wodarz Georg Ebersbach MD Daniela Djundja Gerd Fuchs MD Arne Gies Per Odin MD Gerd Reifschneider MD Martin Wolz MD Antonia Bottesi MD Michael Bauer MD PhD Heinz Reichmann PhD Alexander Storch MD 《Movement disorders》2010,25(6):777-783
Beck depression inventory (BDI‐1A) is the gold standard screening tool for Parkinson's disease (PD) depression, but as a result of its complexity, it is of limited suitability as a quick and easy screening device. We, therefore, validate the 5‐item WHO‐Five Well‐being Index (WHO‐5) as a screening tool for PD depression. Two hundred thirteen of 215 recruited PD patients (99.1%) completed the WHO‐5. Receiver operating characteristic plots were used to calculate sensitivity/specificity for all cut‐off scores for the detection of depression and combined depression/dysthymia as assessed by an independent investigator using the Mini International Neuropsychiatric Interview (MINI). Internal consistency of the WHO‐5 was good (Cronbach's α = 0.83). WHO‐5 showed high validity with adequate detection of depression without differences in the validity indices compared to BDI‐1A (P = 0.234). The optimal cut‐off value for detection of depression was 12 of 13 points. WHO‐5 is a useful, brief, and easy instrument for identifying PD subjects with depression in daily practice. © 2010 Movement Disorder Society 相似文献
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P Boros J A Odin T Muryoi S K Masur C Bona J C Unkeless 《The Journal of experimental medicine》1991,173(6):1473-1482
Anti-Fc gamma R IgM monoclonal antibodies (mAbs) isolated from lipopolysaccharide-stimulated spleen cells from tightskin (TSK) mice were found to be polyspecific, reacting with a wide variety of molecules, including double-stranded DNA, topoisomerase, RNA polymerase, and different collagen types. Approximately 60% of the polyspecific IgM mAbs have anti-Fc gamma R specificity. These anti-Fc gamma R mAbs induce the release of hydrolases from both azurophil and specific granules of human neutrophils. 25-45% of the total cellular content (determined in Nonidet P-40 lysates) of neutrophil elastase, 10-25% of beta-glucuronidase, and 30-50% of alkaline phosphatase was released after incubation with the mAbs. The degranulation process was accompanied by dramatic morphological changes shown by scanning and transmission electron microscopy. The release of hydrolytic enzymes stimulated by the IgM anti-Fc gamma R mAbs was inhibited by preincubation of neutrophils with Fab fragments of either anti-human Fc gamma RII (IV.3) or anti-human Fc gamma RIII (3G8) mAbs. The binding of the anti-Fc gamma R TSK mAbs to human neutrophils was inhibited by Fab fragments of mAb 3G8. However, we found that the TSK anti-Fc gamma R mAbs do not bind to human Fc gamma RII expressed in either CHO cells or the P388D1 mouse macrophage cell line. Since the enzyme release could be inhibited by Fab fragments of mAb IV.3, we suggest that the signal transduction may require Fc gamma RII activation subsequent to crosslinking of the glycan phosphatidyl inositol-anchored Fc gamma RIII-1. These data demonstrate for the first time that polyspecific autoantibodies with Fc gamma R specificity can trigger neutrophil enzyme release via human Fc gamma RIII-1 in vitro and indicate a possible role for such autoantibodies in autoimmune inflammatory processes. 相似文献
9.
Daniel J. van Wamelen Pablo Martinez‐Martin Daniel Weintraub Anette Schrag Angelo Antonini Cristian Falup‐Pecurariu Per Odin Kallol Ray Chaudhuri 《Acta neurologica Scandinavica》2021,143(1):3-12
The Non‐Motor Symptoms Scale (NMSS) was developed and validated in 2007 as the first instrument for the comprehensive assessment of a range of non‐motor symptoms in Parkinson's disease (PD). Thirteen years have elapsed since its introduction and extensive international validation with good psychometric attributes has been carried out. Here, we review the validation data of the NMSS and its cross‐validity with other scales, and describe the key evidence derived from use of the NMSS in clinical studies. To date, over 100 clinical studies and trials have made use of it as an outcome measure, showing consistent and strong correlations between NMSS burden and health‐related quality of life measures. Moreover, the scale has shown to be capable of detecting longitudinal changes in non‐motor symptoms, where studies have shown differential changes over time of several of the NMSS domains. The scale has become a key outcome in several randomized clinical trials. Highlighting the prevalence and importance of non‐motor symptoms to quality of life in patients with PD, the development of NMSS has also been useful in signposting clinical and biomarker based research addressing non‐motor symptoms in PD. 相似文献
10.
Journal of Neurology - Several prediction models for falls/near falls in Parkinson’s disease (PD) have been proposed. However, longitudinal predictors of frequency of falls/near falls are... 相似文献