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排序方式: 共有176条查询结果,搜索用时 15 毫秒
1.
D Bougle D Pepin M Delhaye J Chambaz C Ricour 《JPEN. Journal of parenteral and enteral nutrition》1986,10(2):216-219
In order to prevent essential fatty acid (EFA) deficiency induced by fat-free total parenteral nutrition (TPN), 10 infants on TPN were rubbed three times daily for 20 days using oenethera oil (80% EFA). Total EFA amount provided cutaneously was 1900 mg/kg/d. Plasma and red blood cells phospholipids were determined on days 1 and 20 in these 10 treated and six untreated infants on TPN and compared with those of normal control infants. On day 1, plasma nonessential FA including 20:3 n-9(p less than 0.01) were increased in both TPN groups while 18:2 n-6 and 18:3 n-3 (p less than 0.001 and p less than 0.01) were decreased. On the 20th day, EFA deficiency had worsened with a decrease in plasma level of 20:4 n-6 (p less than 0.02) and a higher than normal triene/tetraene ratio : 3.4 +/- 1.1 and 2.3 +/- 0.6 vs 0.1 +/- 0.1 (p less than 0.02). As for red blood cells phospholipids, 16:0 was increased and 18:2 n-6 and 20:3 n-6 were decreased (p less than 0.05) on day 1. On day 20, these FA were more abnormal while 20:3 n-9 became significantly increased (p less than 0.05). No difference was observed between the TPN groups at any time. These results show that cutaneous application of large amounts of EFA-rich oil is unable to prevent or cure TPN induced EFA deficiency. 相似文献
2.
M. Delhaye J. M. De Smet G. Taton P. De Neef J. C. Camus J. Fontaine M. Waelbroeck P. Robberecht J. Christophe 《Naunyn-Schmiedeberg's archives of pharmacology》1984,325(2):170-175
Summary Binding to muscarinic receptors was compared with adenylate cyclase inhibition in membranes derived from human heart auricles, and with inhibition of the contraction of auricular muscle fibers.In the absence of GTP, agonists recognized two classes of receptors both of which bound antagonists with the same affinity. In the presence of GTP, both classes of receptors for agonists were converted into a single low affinity state.Carbachol and oxotremorine inhibited adenylate cyclase activity by 43%, pilocarpine being less efficient (–28%). The 3 agonists exerted similar inhibitory effects on the inotropic response, in 7 out of 9 preparations of electrically- and norepinephrine-stimulated fibers. Dose-effect curves suggested that spareness (or an amplification mechanism) was implicated in the occupancy of low affinity binding sites by carbachol and oxotremorine (but not by the partial agonist pilocarpine) and the resulting inhibition of both adenylate cyclase activity and contractile force.Abbreviations [3H] NMS, [N-methyl-3H]
scopolamine methyl chloride
- Gpp(NH)p
guanosine 5-0-(2-3 imido) triphosphate
- EGTA
ethylene glycol bis (2-aminoethyl ether)-N,N,N,N-tetraacetic acid 相似文献
3.
Using two-dimensional Western blot analysis with a pan-ras antibody, we previously defined conditions that allow to resolve the four post-translational p21-H-ras products expressed in normal mature rat tissues. Using the same approach, we conducted experiments that sometimes revealed deviations from the normal basal p21-H-ras pattern in primary human liver tumors. One type of alteration encountered was indicative of modifications in the relative rate of accomplishment of the different steps in the post-translational metabolisation of the protein, resulting in the accumulation of precursors of the fully-processed p21-H-ras product. This was also observed during ontogenesis and might thus be correlated with either cellular growth potential or differentiation. The second type of altered pattern is defined by the detection of abnormal spots and probably corresponds to the presence of mutant p21-ras products. 相似文献
4.
Michael Mahmoudi Cedric Delhaye Ron Waksman 《Cardiovascular Revascularization Medicine》2011,12(6):385
Compared with medical therapy, percutaneous coronary intervention has been shown to reduce the rates of death and recurrent ischemia in patients presenting with acute coronary syndromes (ACS). In the current interventional era, both drug-eluting stents (DES) and bare-metal stents (BMS) have been widely used, despite the fact that the use of DES in the context of ACS was initially an “off-label” indication and that ACS has been associated with stent thrombosis (ST). In contrast to the wealth of data available for the use of DES in patients with ST-elevation myocardial infarction, data regarding the performance of DES in non–ST-elevation ACS is restricted to a handful of registries with conflicting data. The aim of this review was to summarize the safety and efficacy of DES in the entire spectrum of ACS. 相似文献
5.
Antaki F Tringali A Deprez P Kwan V Costamagna G Le Moine O Delhaye M Cremer M Devière J 《Gastrointestinal endoscopy》2008,67(1):163-168
BACKGROUND: Duodenal duplication cysts are rare congenital anomalies. Symptomatic cases have classically been treated by surgical resection, which can be complex because of the close proximity of the cysts to the papilla. OBJECTIVE: To describe a series of 8 patients with symptomatic duodenal duplication cysts who were treated endoscopically, with a special focus on the long-term outcome. DESIGN: Retrospective case series. SETTING: Three tertiary-care European academic hospitals. PATIENTS: Eight patients, age 8 to 72 years, were treated endoscopically for symptomatic intraluminal duodenal duplication cysts between 1981 and 2006. Seven patients presented with acute pancreatitis, and one patient presented with jaundice. INTERVENTION: Endoscopic incision and marsupialization of the cysts was performed by using a variety of endoscopic tools (needle-knife and regular sphincterotomes, cystotomes, and polypectomy snares). MAIN OUTCOME MEASUREMENTS: Technical success of endoscopic intervention and long-term clinical recurrence of symptoms. RESULTS: No major complications occurred. All patients remained asymptomatic at a median follow-up of 7.3 years. LIMITATIONS: Retrospective study; the small number of patients. CONCLUSIONS: The endoscopic treatment of symptomatic intraluminal duodenal duplication cysts is a safe and effective technique, with excellent long-term results. It represents a minimally invasive alternative to surgical resection and might be considered the preferred therapeutic modality for these cases. 相似文献
6.
Jean-Luc Van Laethem MD Vincent Bourgeois MD Jasmine Parma PhD Myriam Delhaye MD Pascale Cochaux PhD Thierry Velu MD Jacques Devière MD Michel Cremer MD 《Gastrointestinal endoscopy》1998,47(6):479-485
Background: Ki-ras mutation analysis from material collected during ERCP has been claimed to improve the diagnosis of pancreatic and bile duct carcinomas as compared with conventional cytology. Our aim was to study the relative contribution of both Ki-ras analysis and brush cytology in patients with a significant stricture at ERCP. Methods: Brushings were collected in duplicate for both analyses in 142 patients in whom a definitive diagnosis was obtained by histology or a minimal follow-up of 6 months. Results: For pancreatic strictures, sensitivity, specificity, and accuracy of Ki-ras analysis vs. cytology in detecting malignancy were 81% vs. 66%, 72% vs. 100%, and 70% vs. 74%, respectively. For biliary strictures, they were 25% vs. 42%, 100% vs. 100%, and 35% vs. 43%, respectively. The combination of the two methods only marginally increased their sensitivity and accuracy in both types of strictures. Conclusion: Ki-ras analysis is a sensitive method for diagnosing pancreatic but not biliary carcinoma. However, its specificity is lowered by a high frequency of Ki-ras mutations in patients with chronic pancreatitis (25%) who did not manifest cancer development within a 6-month follow-up period. In pancreatic duct strictures, brush cytology appears to be more specific in detecting malignancy; specificity for Ki-ras and cytology are equivalent for the diagnosis of malignant bile duct strictures. Therefore, making a clinical decision on the sole basis of Ki-ras analysis is probably not justified in the majority of the cases. (Gastrointest Endosc 1998;47:479-85.) 相似文献
7.
Diane Purper-Ouakil Hilario Blasco-Fontecilla Tomas Ros Eric Acquaviva Tobias Banaschewski Sarah Baumeister Elisa Bousquet Aurore Bussalb Marie Delhaye Richard Delorme Renate Drechsler Allison Goujon Alexander Häge Anna Kaiser Louis Mayaud Konstantin Mechler Caroline Menache Olivier Revol Friederike Tagwerker Susanne Walitza Anna Maria Werling Stephanie Bioulac Daniel Brandeis 《Journal of child psychology and psychiatry, and allied disciplines》2022,63(2):187-198
8.
Delhaye M Matos C Arvanitakis M Deviere J 《World journal of gastroenterology : WJG》2008,14(7):1027-1033
Acute recurrent pancreatitis is a clinical entity largely associated with pancreatic ductal obstruction. This latter includes congenital variants, of which pancreas divisum is the most frequent but also controversial, chronic pancreatitis, tumors of the pancreaticobiliary junction and sphincter of Oddi dysfunction. This review summarizes current knowledge about diagnostic work-up and therapy of these conditions. 相似文献
9.
Due to its protective effects on the brain and potentially the myocardium, cooling therapy is clearly part of the standard of care of any sudden death especially in the setting of myocardial infarction. Recent guidelines recommend cooling therapy (32 to 34 °C) for 12 to 24 hours in unconscious patients with spontaneous circulation after resuscitated sudden death. We provide here a review of clinical evidence, cooling techniques and potential adverse effects of cooling therapy. 相似文献
10.