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排序方式: 共有120条查询结果,搜索用时 15 毫秒
1.
THIERRY POYNARD FRANÇOISE IMBERT-BISMUT MONA MUNTEANU DJAMILA MESSOUS DOMINIQUE THABUT VLAD RATZIU YVES BENHAMOU 《Journal of gastroenterology and hepatology》2004,19(S7):S236-S245
Abstract Liver biopsy has been considered as the gold standard for assessing the stage and the grade of chronic liver diseases. Biopsy has a high sampling error (33% for fibrosis staging and 24% for necrosis staging), and intra- and interpathologist variability greater than 10%. Biochemical markers, particularly recent panels of markers (FibroTest-ActiTest) have good predictive values with a better benefit risk ratio and lower cost than liver biopsy. Discordances between biopsy and serological markers results can be either due to serological markers or to biopsy. Because of the improvement of biochemical markers, the limits and the risk of biopsy, liver biopsy should not be mandatory any longer in the management of patients with chronic liver hepatitis C. 相似文献
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Endless-Loop Tachycardias: Description and First Clinical Results of a New Fully Automatic Protection Algorithm 总被引:1,自引:0,他引:1
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JORGE E. GOMEZ-MARIN AUDREY VALERE ANNIE BONHOMME HASSAN EL'BTAOURI FRANK ANTONICELLI HENRIETTE BURLET DOMINIQUE AUBERT ISABELLE VILLENA MONCEF GUENOUNOU BERNARD HAYE & JEAN M. PINON 《Parasite immunology》1998,20(12):631-635
We assayed mitogen-activated protein (MAP) kinase phosphorylation in a human monocyte cell line (THP1) during their infection by Toxoplasma gondii . In addition, we tested the effect of specific MAP kinase inhibitors (PD098059 and SB203580) on parasite invasion. MAP kinase phosphorylation was increased in the cytosol and membrane fractions of THP1 infected with T. gondii . The MAP kinase phosphorylation of uninfected THP1 cells was not significantly modified by incubation for 20 h with 1000 U/ml of IFN-γ. However, IFN-γ treatment of infected cells significantly reduces the increase in phosphorylation caused by parasite infection. There was also MAP kinase activity in the cytosol and membrane fractions of extracellular T. gondii tachyzoites. IFN-γ altered the distribution of activity in subcellular fractions of extracellular T. gondii tachyzoites. This indicates that IFN-γ directly affects parasite MAP kinase activity. The results provide evidence that MAP kinase pathways participate in the infection by T. gondii and that the decrease in MAP kinase activity in infected cells caused by IFN-γ may be involved in mediating their protective signals . 相似文献
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HILDEGARD TANNER M.D. GERHARD HINDRICKS M.D. MARIUS VOLKMER M.D. † STEVE FURNISS M.D. ‡ VOLKER KÜHLKAMP M.D. § DOMINIQUE LACROIX M.D. Ph.D. ¶ CHRISTIAN DE CHILLOU M.D. Ph.D. # JESÚS ALMENDRAL M.D. Ph.D. DOMENICO CAPONI M.D. †† KARL-HEINZ KUCK M.D. † HANS KOTTKAMP M.D. 《Journal of cardiovascular electrophysiology》2010,21(1):47-53
Catheter Ablation of Ventricular Tachycardia. Introduction: Ventricular tachycardia (VT) late after myocardial infarction is an important contributor to morbidity and mortality. This prospective multicenter study assessed the efficacy and safety of electroanatomical mapping in combination with open-saline irrigated ablation technology for ablation of chronic recurrent mappable and unmappable VT in remote myocardial infarction.
Methods and Results: In 8 European institutions, 63 patients (89% males) were enrolled in the study. All patients had remote myocardial infarction and presented with a median number of 17 (range 1–380) VTs in the preceding 6 months. Incessant VT was present in 14 patients (22%). Left ventricular ejection fraction measured 30 ± 13%. A mean of 3 VTs were targeted per patient and 22% of all patients had only unmappable VT. The mean follow-up period was 12 ± 3 months. A total of 164 VTs were targeted during catheter ablation. Ablation was acutely successful in 51 patients (81%). One patient (1.5%) experienced a major complication with degeneration of VT into ventricular fibrillation necessitating cardiopulmonary resuscitation maneuvers. However, no death occurred acutely or within the first 30 days after catheter ablation. During the follow-up, 19 of the initially successful ablated patients (37%) and 31 of all ablated patients (49%) developed some type of VT recurrence.
Conclusions: The results of this multicenter study demonstrate the high acute success rate and a low complication rate of irrigated tip catheter ablation of all clinical relevant VTs in remote myocardial infarction. However, during the follow-up a relevant number of recurrences occurred. (J Cardiovasc Electrophysiol, Vol. 21, pp. 47–53, January 2010) 相似文献
Methods and Results: In 8 European institutions, 63 patients (89% males) were enrolled in the study. All patients had remote myocardial infarction and presented with a median number of 17 (range 1–380) VTs in the preceding 6 months. Incessant VT was present in 14 patients (22%). Left ventricular ejection fraction measured 30 ± 13%. A mean of 3 VTs were targeted per patient and 22% of all patients had only unmappable VT. The mean follow-up period was 12 ± 3 months. A total of 164 VTs were targeted during catheter ablation. Ablation was acutely successful in 51 patients (81%). One patient (1.5%) experienced a major complication with degeneration of VT into ventricular fibrillation necessitating cardiopulmonary resuscitation maneuvers. However, no death occurred acutely or within the first 30 days after catheter ablation. During the follow-up, 19 of the initially successful ablated patients (37%) and 31 of all ablated patients (49%) developed some type of VT recurrence.
Conclusions: The results of this multicenter study demonstrate the high acute success rate and a low complication rate of irrigated tip catheter ablation of all clinical relevant VTs in remote myocardial infarction. However, during the follow-up a relevant number of recurrences occurred. (J Cardiovasc Electrophysiol, Vol. 21, pp. 47–53, January 2010) 相似文献
6.
The posterior sacral foramina: an anatomical study 总被引:1,自引:0,他引:1
DOMINIQUE LIGUORO DIDIER VIEJO-FUERTES DOMINIQUE MIDY JEAN GUERIN 《Journal of anatomy》1999,195(2):301-304
The vascular and nervous structures and their relations with the spinal nerve roots were examined in the 2nd, 3rd and 4th posterior sacral foramina in relation to percutaneous needle insertion for neuromodulation. A foraminal branch provided by the lateral sacral artery to each foramen entered the inferior lateral quadrant of each foramen, adjacent to the nerve root medially. Facing the posterior sacral aperture and around the sacral nerves, there was no venous plexus. A venous plexus was sometimes present near the median line, and always around the proximal part of the spinal ganglion. The sacral nerve roots, especially the 3rd, had a long extradural course in the foramen, presenting a potential risk of nerve lesions during procedures involving needle insertion. 相似文献
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In vivo treatment with recombinant IL-12 protects C57BL/6J mice against secondary alveolar echinococcosis 总被引:1,自引:0,他引:1
ISABELLE EMERY CLAUDE LECLERC KAPPRASEUTH SENGPHOMMACHANH DOMINIQUE ANGÈLE VUITTON & MARTINE LIANCE 《Parasite immunology》1998,20(2):81-91
Using an experimental model of hepatic Echinococcus multilocularis infection in C57BL/6J mice, intraperitoneal administration of 0.8 μg of recombinant IL-12 to mice with an established infection was shown to reduce the parasite burden as soon as two weeks after the end of treatment. At that time, in vitro Echinococcus multilocularis -induced spleen T cell proliferative responses as well as IFN-γ and IL-5 production were higher in IL-12 treated mice than in untreated mice. Administration of 0.8 μg of IL-12 at the time of infection was shown to be without effect on the parasite establishment. However, this treatment greatly inhibited the subsequent metacestode development. Indeed, ten weeks after infection, it induced a complete healing in 37.5% of mice. At that time, the development of metastases was inhibited in 68.75% of IL-12-treated mice. This reduction of parasite burden was mainly associated with a strong proliferation of spleen cells to E. multilocularis antigen and with a high IFN-γ production. Altogether, our results show that IL-12 is of crucial importance in inhibiting the larval growth after the metacestode establishment in the liver and suggest that this cytokine could be of potential value in the treatment of human alveolar echinococcosis . 相似文献
10.
CYRILLE BASTIDE FREDERIC ARROUA AURELIEN CARCENAC ERIC ANFOSSI EVELYNE RAGNI DOMINIQUE ROSSI 《International journal of urology》2006,13(5):608-610
Primary malignant melanoma of the adrenal gland is an established entity. Fewer than 20 cases have been reported in the published literature. Because of the high frequency of adrenal gland metastases from malignant melanoma and pigmented pheochromocytoma, several rigid diagnostic criteria have been established for accepting an adrenal melanoma as primary. A new case is reported in this article. This observation is an opportunity update the literature on the diagnostic difficulties in this rare pathology. 相似文献