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    Perioperative Patient Blood Management (excluding obstetrics): Guidelines from the French National Authority for Health

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    International audienceThe French National Authority for Health (HAS) recently issued guidelines for patient blood management (PBM) in surgical procedures. These recommendations are based on three usual pillars of PBM: optimizing red cell mass, minimizing blood loss and optimizing anemia tolerance. In the preoperative period, these guidelines recommend detecting anemia and iron deficiency and taking corrective measures well in advance of surgery, when possible, in case of surgery with moderate to high bleeding risk or known preoperative anemia. In the intraoperative period, the use of tranexamic acid and some surgical techniques are recommended to limit bleeding in case of high bleeding risk or in case of hemorrhage, and the use of cell salvage is recommended in some surgeries with a major risk of transfusion. In the postoperative period, the limitation of blood samples is recommended but the monitoring of postoperative anemia must be carried out and may lead to corrective measures (intravenous iron in particular) or more precise diagnostic assessment of this anemia. A "restrictive" transfusion threshold considering comorbidities and, most importantly, the tolerance of the patient is recommended postoperatively. The implementation of a strategy and a program for patient blood management is recommended throughout the perioperative period in healthcare establishments in order to reduce blood transfusion and length of stay. This article presents an English translation of the HAS recommendations and a summary of the rationale underlying these recommendations

    Intestinal Ultrasonography as an Alternative to Fecal Calprotectin to Monitor Patients with Crohn’s Disease: Experience from a Novice Sonographer

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    International audienceWhile fecal calprotectin (Fcal) is now recommended, the positioning of intestinal ultrasonography (IUS) is still unknown to monitor patients with CD. Aims To assess the agreement between IUS performed by a novice sonographer and Fcal to detect active CD and to compare these two monitoring tools to determine the need for therapeutic escalation. Methods In this cross-sectional prospective study, we consecutively included CD patients >= 18 years-old with concomitant IUS and Fcal testing within 7 days. IUS was performed by a novice sonographer. The endpoints were the agreement between IUS and Fcal (> 150 mu g/g) to detect active CD and the need for therapeutic escalation. Results Among 66 patients undergoing IUS, 56 patients had also Fcal testing. The agreement between IUS and Fcal to detect an active CD was 80.4% (kappa-coefficient = 0.536 +/- 0.127). Fcal, IUS or both had respectively the following positive (76.9%[54.0-99.8], 70.0%[49.9-90.1], and 81.8%[59.0-100.0]) and negative (81.4%[69.8-93.0], 88.9%[78.6-99.2], and 80.0%[68.3-91.7]) predictive values to detect active CD requiring therapeutic escalation. Using a 10 points-acceptability numerical scale, IUS presented with a better acceptability than Fcal (9.5 +/- 1.2 vs 8.0 +/- 2.3, p < 0.0001). Contrary to the agreement with Fcal and the performances of IUS to identify the need for therapeutic escalation, the duration of IUS procedure decreased over time (correlation coefficient = - 0.54, p = 0.001) and plateaued between 15 and 20 min-long from the 24th procedure. Conclusion IUS and fecal calprotectin do not give the same information and could be complementary to monitor patients with CD

    Traitement du diabète sucré

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    French multi-institutional cost-effectiveness analysis of gemcitabine plus nab-paclitaxel versus gemcitabine alone as second-line treatment in metastatic pancreatic cancer patients

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    International audienceContext: In France, gemcitabine plus nab-paclitaxel (GEM-NAB) is heterogeneously used in metastatic pancreatic cancer due to disparities in its financial accessibility in the institutions. Objectives: GEM-NAB conduct a French multi-institutional cost-effectiveness analysis of GEM-NAB versus gemcitabine alone (GEM) as second-line treatment in pancreatic cancer patients. Design: All the unresected metastatic pancreatic ductal adenocarcinoma (PDAC) consecutive patients who received GEM-NAB (institution 1) or GEM alone (institutions 2 and 3) as second-line treatment after failure of a 5-fluorouracil based systemic chemotherapy regimen were screened. Methods: This study was conducted from the French national healthcare insurance perspective. The primary endpoint was the overall survival (OS) expressed in months, calculated from the date of the first second-line chemotherapy administration to death. Only direct (medical and non-medical) costs have been considered for this analysis. Data were collected retrospectively in one university hospital and two general hospitals. Results: The OS was significantly improved in patients receiving GEM-NAB (hazard ratio: 0.54, 95% confidence interval: 0.38–0.77, p = 0.001), with a median OS of 6.2 months ( versus 4.1 months in patients receiving GEM alone). Taking into account the cost of GEM-NAB which was afforded by each institution, the incremental cost-effectiveness ratio was €1,449,231 by year of life (€40,256 per patient). In both groups, most of the costs were attributable to readmissions and outpatient chemotherapy administration. Conclusion: The issues of the article is based on the trade-off between the benefit in terms of OS of patients treated with GEM-NAB, which is minor (a gain of 2 months of survival, with an accumulated rate of grade ⩾ 3 non-hematological adverse effects) and the additional institutional cost (€25k per year of life for each patient treated). The debate is complex and refers to an ethical component, which is the cost of human life when no other therapeutic alternative is offered to the patient

    MYLK*FLNB and DOCK1*LAMA2 gene–gene interactions associated with rheumatoid arthritis in the focal adhesion pathway

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    International audienceRheumatoid arthritis (RA) is a chronic, systemic autoimmune disease caused by a combination of genetic and environmental factors. Rare variants with low predicted effects in genes participating in the same biological function might be involved in developing complex diseases such as RA. From whole-exome sequencing (WES) data, we identified genes containing rare non-neutral variants with complete penetrance and no phenocopy in at least one of nine French multiplex families. Further enrichment analysis highlighted focal adhesion as the most significant pathway. We then tested if interactions between the genes participating in this function would increase or decrease the risk of developing RA disease. The model-based multifactor dimensionality reduction (MB-MDR) approach was used to detect epistasis in a discovery sample (19 RA cases and 11 healthy individuals from 9 families and 98 unrelated CEU controls from the International Genome Sample Resource). We identified 9 significant interactions involving 11 genes ( MYLK , FLNB , DOCK1 , LAMA2 , RELN , PIP5K1C , TNC , PRKCA , VEGFB , ITGB5 , and FLT1 ). One interaction ( MYLK * FLNB) increasing RA risk and one interaction decreasing RA risk ( DOCK1 * LAMA2 ) were confirmed in a replication sample (200 unrelated RA cases and 91 GBR unrelated controls). Functional and genomic data in RA samples or relevant cell types argue the key role of these genes in RA

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