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1.
ALAIN DIMEGLIO YANN PHILIPPE CHARLES JEAN-PIERRE DAURES VINCENZO DE ROSA BONIFACE KABORE 韩岳 《骨科动态》2006,2(1):35-41
背景:Sauvegrain方法是通过分析肘部X线片来评估骨龄,常用于青春期生长发育最为迅速的两年间的骨龄测定。本文旨在研究该方法的准确性以及在小儿骨科中的应用价值。
方法:Sauvegrmn法主要评估肘部的4个解剖标志点:外髁、肱骨滑车、尺骨鹰嘴突以及桡骨近端骨骺。它是一个27分制的评分系统。对上述结构所得的评分进行合计而得出一个总分,然后使用标准图表确定骨龄。让三位观察者分别利用该方法进行骨龄评估。三位观察者通过分析60个男孩和60个女孩样本左肘部的前后位和侧位X线片来测定骨龄,并将该结果与通过分析左手和腕部后前位X线片的Greulich和Pyle图谱而得出的骨龄结果进行比较。间隔4周后每个观察者再测定骨龄一次。
结果:通过分析肘部X线片的方法测定骨龄更为精确,因为采用该方法测定骨龄可以精确到半岁。根据观察者的评定,Sauvegrain法显示出很好的观察者之间的相关性(r=0.93)和可重复性(r=0.96)。Sauvegrain法与Greulich和Pyle图谱之间有很好的相关性(r=0.85)。然而,一些肘部生长中心显示出一种中间的发育形态,这种形态学不适合Sauvegrain法的评分。这就导致了数据分析时出现误差。我们建议对于这些样本设定中间评分,并且通过修改原始图表而使评分更为精确。
结论:改良的Sauvegrain法简单、可靠而且可重复性高,它补充了Greulich和Pyle图谱的不足。在临床实践中,骨骼成熟度可以通过骨龄、年生长率以及第二性征而得以很准确的评估。因此,当青春期需要进行骨骺或脊柱关节融合术时,这种方法对于确定手术时间具有重要意义。
可信水平:诊断性研究,Ⅱ级,进一步可信度参见作者介绍。 相似文献
2.
PETER HUNT JEAN-MARC HUSSON JEAN-PIERRE RAYNAUD 《The Journal of pharmacy and pharmacology》1979,31(1):448-451
A simple, rapid and sensitive radioreceptor assay for determining benzodiazepines in serum is based on the displacement by the drug of specific [3H]diazepam binding to a membrane fraction from rat brain. The limit of detection of the more active benzodiazepines is about 0.5 ng. Diazepam, nitrazepam, clobazam and HR 458t have been assayed in human serum after a single oral clinical dose. The results can be used for determining pharmacokinetic parameters. The technique measures not only the parent benzodiazepine but also clinically active metabolites. 相似文献
3.
4.
Paclitaxel activity for the treatment of non-Hodgkin's lymphoma: final report of a phase II trial 总被引:1,自引:0,他引:1
ANAS YOUNES JEAN-PIERRE AYOUB ANDREAS SARRIS FREDERICK HAGEMEISTER LUCILLE NORTH ODEAL PATE PETER MCLAUGHLIN M. ALMA RODRIGUEZ JORGE ROMAGUERA RAZELLE KURZROCK ALEJANDRO PRETI CARLOS BACHIER TERRY SMITH & FERNANDO CABANILLAS 《British journal of haematology》1997,96(2):328-332
In order to determine the activity of paclitaxel in patients with relapsed or refractory non-Hodgkin's lymphoma (NHL), we conducted a phase II clinical trial in which eligible patients received paclitaxel 200 mg/m2 intravenously over 3 h. Treatment was repeated every 3 weeks. Patients achieving complete or partial responses after two courses of paclitaxel continued to receive therapy for a maximum of eight courses, otherwise they were removed from the study. Of 96 evaluable patients, 45 (47%) had primary refractory disease, and 51 (53%) had relapsed lymphoma. The median number of prior treatment regimens was two (range one to 10 regimens). 45 patients had low-grade, 44 had intermediate-grade, and seven had mantle cell lymphoma. 24/96 patients responded (10 complete and 14 partial remissions) for an overall response rate of 25% (95% CI 17–35%). Patients with relapsed lymphoma had a higher response rate than those with primary refractory disease (19/51=37% v 5/45 =11%; P < 0.01), and patients with relapsed intermediate-grade lymphoma had a higher response than those with relapsed low-grade lymphoma (9/18=50% v 10/31 = 32%; P = 0.22). The treatment was very well tolerated with the most common side-effects being alopecia (100%), peripheral neuropathy (35% of ≥ grade II), and arthralgia/myalgia (25% of ≥ grade II). After the first course of paclitaxel, grade III/IV thrombocytopenia and neutropenia were observed in 21% and 23% of the patients respectively. 23 episodes of neutropenic fever developed after 250 courses of paclitaxel therapy (8%). We conclude that paclitaxel, at this dose and schedule, is an active new drug for the treatment of non-Hodgkin's lymphoma. The activity of paclitaxel combination programmes are currently under investigation. 相似文献
5.
MOLECULAR GENETIC BASIS OF RH AND LW BLOOD GROUPS 总被引:2,自引:0,他引:2
6.
JEAN-PIERRE Van de WALLE DEMETRAKIS PANAGIDES MARC MESSIER DECEBAL IOVESCU LAURENT FOURCADE MICHEL BORY JEAN-ETIENNE TOUZE 《Pacing and clinical electrophysiology : PACE》1998,21(3):494-498
The tilt table is a diagnostic device used to induce vagal syncope and determine etiology. Sensitivity enhancing techniques, such as the administration of isoproterenol, can be applied to children and young adults to compensate for the otherwise low sensitivity (20%-30%) observed in that population. This study describes an improved test that offers a simplified approach while decreasing the amount of time involved by up to 50%, without compromising sensitivity. This 45-minute procedure relies on sensitization with isoproterenol administered as a 2- to 8-μg bolus instead of a continuous infusion. The isoproterenol is injected at the 30th minute of a 45-minute 60° tilt test without returning the patient to the supine position. In this study, the isoproterenol bolus tilt test was found to be "positive" in 24 of 30 patients reporting unexplained syncope: 10 cases before the 30th minute (11.2 ± 8.4 min) and 14 cases after administration of 5.1 ± 1,9 μg of isoproterenol. 相似文献
7.
FREDERIC TELLIEZ VERONIQUE BACH GERARD DEWASMES RE LEKE & JEAN-PIERRE LIBERT 《Journal of sleep research》1998,7(1):31-39
Sleep processes and body temperature regulation of neonates are never taken into account in the evaluation of nutrients, although these functions are implicated in the regulation of energy metabolism and are influenced by the nutritional state and its metabolic consequences. Medium-chain triglycerides (MCT) are currently used in paediatric units during the first weeks of because they are considered to be a rapid source of energy, easy to assimilate for growing premature infants, whose digestive function is immature. However, no study has described the thermic effect of these nutrients on body temperature regulation and sleep. The present study aimed at analysing the influence of three feeding formulas with different content of MCT on sleep processes and on thermoregulation of neonates fed until desired intake was reached. Whatever the thermal conditions (thermal equilibrium or cool environment), the MCT-fed groups had higher body temperatures and than groups fed without MCT, for whom total sleep time was reduced at thermal equilibrium. In this group, the large amount of quiet sleep seems to favour a strategy of conserving energy . Higher energy expenditure in MCT-fed groups is not harmful to growth rate since nutritional efficiency is even better reflected by a larger body mass gain. The thermic effect of MCT contributes to lessening the vulnerability of neonates exposed to low incubator temperatures. 相似文献
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9.
Survival after a first episode of spontaneous bacterial peritonitis. Prognosis of potential candidates for orthotopic liver transplantation 总被引:1,自引:0,他引:1
CLAUDE ALTMAN JEAN-DIDIER GRANGÉ XAVIER AMIOT GILLES PELLETIER FRANÇOIS LACAINE† FRANÇOIS BODIN JEAN-PIERRE ETIENNE 《Journal of gastroenterology and hepatology》1995,10(1):47-50
Abstract To determine the potential role of orthotopic liver transplantation (OLT) in cirrhotic patients surviving a first episode of spontaneous bacterial peritonitis (SBP), medical records of 79 patients presenting with a first episode of SBP were reviewed. Of these patients, 37 were selected as potential candidates for OLT using the following criteria: absence of hepatocellular carcinoma; no severe organ failure other than the liver; age ≤ 66 years; and survival after SBP > 60 days. Survival time was calculated from the day of SBP diagnosis. Prognostic value of clinical, biological and bacteriological data recorded at the time of SBP was determined using univariate and multivariate analysis (Cox's regression model).
Survival rate of the potential candidates for OLT at 3 months, 1 year and 2 years was 94, 46 and 30%, respectively. Serum creatinine value ( P = 0.001) and Pugh score ( P = 0.005) were independently correlated with death. The 1 year survival rate was 80% for the 11 patients with a Pugh score < 10, and 26% for the 26 patients with a Pugh score ≥ 10.
Our results suggest that after SBP, OLT should be considered in patients with severe liver disease. Survival of patients with a moderate liver disease (i.e. Pugh score < 10) might be relatively high. 相似文献
Survival rate of the potential candidates for OLT at 3 months, 1 year and 2 years was 94, 46 and 30%, respectively. Serum creatinine value ( P = 0.001) and Pugh score ( P = 0.005) were independently correlated with death. The 1 year survival rate was 80% for the 11 patients with a Pugh score < 10, and 26% for the 26 patients with a Pugh score ≥ 10.
Our results suggest that after SBP, OLT should be considered in patients with severe liver disease. Survival of patients with a moderate liver disease (i.e. Pugh score < 10) might be relatively high. 相似文献
10.
AUGUSTIN AMOUR MICHLE REBOUD-RAVAUX EVE DE ROSNY AHMED ABOUABDELLAH JEAN-PIERRE BGU DANILE BONNET-DELPON MARIE LE GALL 《The Journal of pharmacy and pharmacology》1998,50(6):593-600
New fluorinated inhibitors have been designed to target two major proteases—human leucocyte elastase and HIV-1 protease. Two series of β-peptidyl trifluoromethyl alcohols (TFMAs) Z-L-Val-NH-*CH(Y)-*CH(OH)-CF3, where *C is the chiral centre, varied in the nature of the substituent Y, a phenylethyl [-(CH2)2-C6H5] or an isopropyl [-CH(CH3)2] group. These TFMAs were first synthesized as two pairs of the syn and anti diastereoisomers. The inhibitory effects of these mixtures were then assessed on three serine proteases chosen on the basis of the aromatic and aliphatic nature of the substituents—human leucocyte elastase (HLE), human cathepsin G (HCG) and porcine pancreatic elastase (PPE). In the presence of detectable inhibition, each epimer at C2 was separated to determine its inhibition constant (Ki) towards HLE, HCG and PPE. The stereoisomerically pure TFMAs were then oxidized into peptidyl trifluoromethyl ketones = 5·65 × 10?4 M). The tested compounds also had structural properties compatible with recognition by HIV-1 protease. The inhibition of the enzyme was observed with TFMK only (IC50 = 15–200 μM). The phenylethyl substituent promoted inhibition by a factor of 10 (IC50 = 15μM) compared with the isopropyl substituent (IC50 = 200 μM) leading to selective inhibition of HIV-1 protease. Isomerically pure TFMKs were more potent towards HLE than the alcohols from which they were obtained. However, an enantiomerically pure TFMA selectively inhibited HLE unlike its TFMK analogue which also inhibited PPE. This last result together with the selective inhibition of HIV-1 protease by TFMK with a phenylethyl substituent might be relevant to the design of specific HLE and HIV-1 inhibitors as therapeutic agents. 相似文献