20 research outputs found

    Eradication of an outbreak of vancomycin-resistant Enterococcus (VRE): the cost of a failure in the systematic screening

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    BACKGROUND: Vancomycin-resistant enterococci (VRE) are still a concern in hospital units tending to seriously ill patients. However, the cost-effectiveness of active surveillance program to identify asymptomatically VRE colonized patient remains debatable. This work aims at evaluating the cost of a failure in the active surveillance of VRE that had resulted in an outbreak in a French University Hospital. FINDINGS: A VRE outbreak was triggered by a failure in the systematic VRE screening in a medico-surgical ward specialised in liver transplantation as a patient was not tested for VRE. This failure was likely caused by the reduction of healthcare resource. The outbreak involved 13 patients. Colonized patients were grouped in a dedicated part of the infectious diseases unit and tended by a dedicated staff. Transmission was halted within two months after discovery of the index case. The direct cost of the outbreak was assessed as the cost of staffing, disposable materials, hygiene procedures, and surveillance cultures. The loss of income from spare isolation beds was computed by difference with the same period in the preceding year. Payments were drawn from the hospital database. The direct cost of the outbreak (2008 Euros) was €60 524 and the loss of income reached €110 915. CONCLUSIONS: Despite this failure, the rapid eradication of the VRE outbreak was a consequence of the rapid isolation of colonized patient. Yet, eradicating even a limited outbreak requires substantial efforts and resources. This underlines that special attention has to be paid to strictly adhere to active surveillance program

    Prise en charge de la démence parkinsonienne

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    CHATENAY M.-PARIS 11-BU Pharma. (920192101) / SudocSudocFranceF

    Spatio-temporal monitoring of evaporitic processes using multi-resolution C band radar remote sensing data: example over the Chott el Djerid

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    Canadian Journal of Remote Sensing, 2013, in pressInternational audienceThis paper gives an illustration of the contribution of spatio-temporal multi-resolution of spaceborne radar data for the monitoring of land surfaces. More precisely, it illustrates the potential of C band spaceborne radar data, by using in synergy scatterometer and SAR (Synthetic Aperture Radar) sensors, for the spatio-temporal monitoring of evaporitic processes over a vast playa, the Chott el Djerid, located in central Tunisia. Scatterometer data from the ASCAT (Advanced Scatterometer) instrument are characterized by a high temporal frequency of acquisition, about 3 days over the Chott, with a spatial resolution of 25 km. It is well suited for an interpretation of radar temporal signatures in relationship with seasonal variations of surface states. SAR images obtained from both ASAR (Advanced SAR) and RADARSAT-2 sensors are less frequent (about 20 days) but provide a higher spatial resolution, allowing the discrimination of spatial patterns related to evaporitic processes. ASAR Wide Swath mode, associated to 150m of spatial resolution, allows for the monitoring of the whole Chott area, while RADARSAT-2, realizing full polarimetric acquisitions with a spatial resolution of 8 m over, allows for the discrimination of finer spatial patterns over a sub-area within the Chott. Both scatterometer and SAR data show an overall good agreement in radiometry. Polarimetry, available for the RADARSAT-2 data, allows to highlight striking spatial patterns in relation with the various sedimentation processes within the saline deposit over the chott
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