44 research outputs found

    Économie Appliquée, une renaissance

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    International audienc

    Biodiversity of indigenous staphylococci of naturally fermented dry sausages and manufacturing environments of small-scale processing units

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    The staphylococcal community of the environments of nine French small-scale processing units and their naturally fermented meat products was identified by analyzing 676 isolates Fifteen species were accurately identified using Validated molecular methods The three prevalent species were Staphylococcus equorum (58 4%). Staphylococcus saprophyticus (15 7%) and Staphylococcus xylosus (9 3%) S equorum was isolated in all the processing units in similar proportion in meat and environmental samples S saprophyticus Was also Isolated in all the processing units with a higher percentage in environmental samples S xylosus was present sporadically in the processing units and its prevalence was higher in meat samples The genetic diversity of the strains within the three species isolated from One processing unit was studied by PFGE and revealed a high diversity for S equorum and S saprophyticus both in the environment and the meat isolates The genetic diversity remained high through the manufacturing steps A small percentage of the strains of the two Species shale the two ecological niches These results highlight that some strains, probably Introduced by the meat, will persist in the manufacturing environment, while other strains are more adapted to the meat products

    Acute Jejunoileal Diverticulitis: Multicenter Descriptive Study of 33 Patients

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    International audienceOBJECTIVE: Acute jejunoileal diverticulitis is a very rare and potentially serious disease affecting mostly elderly patients. The diagnosis is based on imaging but remains underrecognized. The purpose of this study is to describe the clinical and CT features and the outcomes of patients with acute jejunoileal diverticulitis. MATERIALS AND METHODS: Cases of acute jejunoileal diverticulitis managed at three French hospitals November 2005 through January 2015 were identified retrospectively. The final diagnosis relied either on a clinical and radiologic data review by a panel of experts or on surgical findings. Demographic, clinical, laboratory, and 18-month outcome data were collected. CT scans were reviewed by two radiologists who reached a consensus about the presence of an inflammatory diverticulum, evidence of complications, and presence of other bowel diverticula. RESULTS: We identified 33 cases of acute jejunoileal diverticulitis in 33 patients with a median age of 78 years, including 30 (91%) patients in whom an inflammatory diverticulum was identified at the jejunum (n = 26, 87%) or ileum (n = 4, 13%). Extraintestinal gas was seen in 10 (30%) patients and extraintestinal fluid in 11 (33%) patients. Other small-bowel diverticula were visible in all 33 patients. The diverticulitis was mild and resolved with nonoperative treatment in 22 (67%) patients and was severe in the remaining 11 (33%) patients, eight of whom required emergent surgery. CONCLUSION: Acute jejunoileal diverticulitis is a rare and usually nonserious condition that chiefly involves the jejunum. A detailed CT assessment may allow nonoperative treatment
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