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1.
Frequent carriage of Panton-Valentine leucocidin genes by Staphylococcus aureus isolates from surgically drained abscesses 总被引:1,自引:0,他引:1
Issartel B Tristan A Lechevallier S Bruyère F Lina G Garin B Lacassin F Bes M Vandenesch F Etienne J 《Journal of clinical microbiology》2005,43(7):3203-3207
Between 1 February and 15 April 2002, 95 patients were admitted to Gaston Bourret Territorial Hospital (New Caledonia, France) for drainage of community-acquired soft tissue abscesses. Staphylococcus aureus was detected in 68 cases (72%). Two-thirds of the patients with S. aureus infection had furuncles, which were located on the limbs in 82% of cases. The median interval between symptom onset and hospital admission was 5.7 days. Three-quarters of the patients were Melanesians living in tribes. Fifty-four S. aureus isolates were screened for toxin genes. Panton-Valentine leucocidin (PVL) genes were detected in 48 isolates (89%), the exfoliative toxin A gene was detected in 1 isolate, and no toxin genes were detected in 4 isolates. S. aureus nasal carriage was detected in 39.7% of patients with S. aureus infections. Two infecting S. aureus strains and two nasal carriage strains were resistant to methicillin. Comparative pulsed-field gel electrophoresis, performed in 16 cases, showed that five of six patients with PVL-positive nasal carriage strains were infected by the same strains. In contrast, 8 of 10 patients with PVL-negative nasal carriage strains were infected by PVL-positive strains. PVL genes thus appear to be a major virulence factor in both primary and secondary S. aureus skin infections. 相似文献
2.
Daniel L Barriol D Lechevallier E André M De Fromont M Charafe E Coulange C Pellissier J 《Annales de pathologie》2000,20(2):119-123
The aim of this study is to evaluate the diagnostic value of percutaneous biopsies of renal masses with comparison of pathological data between the biopsies and the surgical specimens. Thus, we retrospectively studied 73 biopsies of patients, who were referred to our institution between 1995 and 1997. The mean age of the patients was 60 +/- 14 years with a male predominance (67%). Twenty per cent of the biopsies were negative. Eleven per cent of the biopsies were benign lesions (oncocytoma, angiomyolipoma, infectious lesions). For renal cell carcinomas, the correlation coefficient between biopsy histology and final pathology was 0.87. Conversely, it was only 0.36 for the Führman grading. Nevertheless, low (1-2) and high (3-4) grades were accurately separated (0.92). We conclude that the percutaneous biopsy is a useful tool for diagnosis of renal masses. 相似文献
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Baboudjian Michael Bandelier Quentin Gondran-Tellier Bastien Abdallah Rony Michel Floriane Sichez Pierre Clement Di-Crocco Eugenie Akiki Akram Gaillet Sarah Delaporte Veronique Andre Marc Daniel Laurent Karsenty Gilles Lechevallier Eric Boissier Romain 《International urology and nephrology》2020,52(4):611-618
International Urology and Nephrology - In our center, until 2018, MRI-targeted biopsy was underused. Since January 2018, we systematically performed MRI-targeted biopsy for suspicious... 相似文献
6.
G. Verhoest J.J. Patard E. Oger N. Rioux-Leclercq Benoit Peyronnet T. Bessède P. Laguna K. Barwari J. Rigaud M. Roupret G. Coffin J.C. Bernhard J.A. Long A. Zisman J. Berger P. Paparel C. Maurin E. Lechevallier K. Bensalah 《Urologic oncology》2014,32(1):28.e21-28.e26
ObjectivePartial Nephrectomy (PN) in a solitary kidney is at risk of chronic kidney disease (CKD) stage V and/or haemodialysis (HD). Our objective was to determine predictive factors of CKD stage V in this population.Material & MethodsData from 300 patients were retrospectively collected from 16 tertiary centres. Clinical and operative parameters, tumor characteristics and renal function before surgery were analyzed. Patients with and without CKD stage V (defined as MDRD<15 ml/min) were compared using χ2 and Student-t tests for qualitative and quantitative variables, respectively. Predictive factors of CKD stage V were evaluated with a multivariable analysis using a Cox regression model.ResultsMedian age and BMI were 63 years old and 26 kg/m², respectively. Most of the patients (65%) were male with an anatomic solitary kidney (88.3%). Median tumor size was 4 cm and 98% were malignant tumors. Median operative time, blood loss and clamping time were 180 min, 350 ml and 20 min respectively. Renal cooling was used in 19.3% and clamping of the pedicle was performed in 61.6%. Twenty five patients (8.5%) presented post operative CKD stage V at last follow-up and 18 underwent HD (6%) post-operatively because of acute renal insufficiency. There was no difference between CKD stage V and non CKD stage V patients concerning Charlson index, operative time (180 min vs 179 min, p = 0.39), blood loss (475 ml vs 350 ml, p = 0.51), use of renal cooling and type of clamping. Patients with CKD stage V were older (70 vs 63 years old, p = 0.005), had a lower baseline renal function (clearance MDRD 41 vs. 62 ml/min, p<0.0001) and an increased tumor size (p = 0.02). Complications occurred in 91 patients (30%) with 16% of minor (Clavien 1–2) and 14% of major (Clavien > 2) complications, respectively. In multivariable analysis, baseline MDRD, BMI, and the occurrence of a minor complication were independent predictive factors of post operative CKD stage V.ConclusionPN in a solitary kidney is at risk of post-operative CKD stage V and HD. Pre-operative altered renal function and post operative complications are the main predictive factors of permanent CKD stage V. 相似文献
7.
Sentilhes L Verspyck E Eurin D Ickowicz V Patrier S Lechevallier J Marpeau L 《Prenatal diagnosis》2004,24(3):198-201
Amniotic band syndrome or amniotic disruption complex is a well-known congenital limb abnormality, which occurs in 1 in 1200 to 1 in 15,000 live births. In cases of an isolated band constriction, it has been speculated that the bands lead to decreased blood flow in the constricted limb and subsequent natural amputation. Fetal surgery could be considered in these situations in order to release the constriction band in threatened limb amputation. We present a case of a tight constriction ring secondary to amniotic band syndrome with a favourable outcome, despite the failure of an attempted surgical procedure. 相似文献
8.
Lechevallier E Luciani M Nahon O Lay F Coulange C 《Journal of endourology / Endourological Society》2003,17(2):97-101
PURPOSE: To compare in a random fashion an automated irrigation/suction pump system with the standard pressurized technique during transurethral ureterorenolithotripsy. PATIENTS AND METHODS: Between July 2001 and December 2001, 47 patients were prospectively included. Prior to randomization, rigid instruments were allocated to 25 patients (group R) and flexible instruments to 22 patients (group F) according to stone location. The groups R and F were then randomized separately, and the pressurized technique was employed in groups R1 and F1, while the automated system was employed in groups R2 and F2. Operative time, amount of liquid consumed, and stone-free rate at the end of the procedure were analyzed. RESULTS: For the entire series, ureteroscopy time using the automated system (mean 42 +/- 17[SD] minutes; range 15-90 minutes) was 35% less than with the pressurized technique (mean 65 +/- 25 minutes; range 20-135 minutes) (P = 0.04 Wilcoxon score). The stone-free rate was significantly higher in groups R2 + F2 (92%) than in groups R1 + F1 (69%) (P = 0.048). CONCLUSION: With the ENDO FMS UROLOGY system, there was a significant reduction in the mean ureteroscopy time: 32% less with the rigid instrument and 53% less with the flexible instrument. This seems to be attributable to a wider working space and highly improved visibility. The integrated suction at constant flow allows efficient evacuation of stone fragments while limiting cavity pressure. These results, obtained on 47 patients, should be confirmed by larger randomized studies. 相似文献
9.
BACKGROUND: The objectives of this study were to describe the use of benzodiazepines in the elderly and to identify socio-demographic and medical factors associated with this use. METHODS: Data on the use of sedative and sleeping drugs were collected from a self-reported questionnaire, in a sample of 1265 elderly subjects (aged 60 to 70 years) interviewed at the first follow-up examination of the EVA Study (Epidemiology of Vascular Aging Study). RESULTS: Use of sedative or sleeping drugs was reported by 28.7% of the participants and use of benzodiazepines by 23%. Most of the benzodiazepines used (71%) had anxiolytic indications, 48% were long-acting compounds (elimination half-life>=20 h.). Among benzodiazepine users, 71% reported using benzodiazepines daily and 77% reported they had been taking benzodiazepines for at least 2 years. Nearly two third of the benzodiazepine users reported taking their medications as prescribed. When they were not compliant, they took benzodiazepines less often and/or at slighter doses than prescribed. Use of benzodiazepines was associated with symptoms of depression or anxiety (women: odds-ratio=2.6 [1.7-4.1]; men: odds-ratio=4.4 [2.4-7.8]) and with regular use of at least three non-psychotropic drugs (women: odds-ratio=2.0 [1.4-2.9]; men: odds-ratio=1.8 [1.1-3.1]). Women with a high educational level or with moderate alcohol consumption were less likely to take benzodiazepines; these associations were not found in men. CONCLUSIONS: The present study shows that benzodiazepines are the sedative and sleeping drugs most widely used by the elderly. Nearly three quarters of benzodiazepine users were chronic users. 相似文献
10.
Lautman S Bergerault F Bonnard C Laumonier F Bronfen C Mallet JF Rogez JM Chappuis M Bracq H Abuamara S Lechevallier J 《Revue de chirurgie orthopédique et réparatrice de l'appareil moteur》2003,89(5):399-403
The incidence of wrist fractures is increasing in children. We undertook an epidemiological survey in western France to determine characteristic features. 相似文献