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Introduction Besides the main treatment for their disease, hospital patients receive multiple care measures which include venous lines (VL), urinary catheters (UC), dietary restrictions (DR), mandatory bed rest (BR), deep venous thrombosis prophylaxis (VTP), stress ulcer prophylaxis (SUP) and anticoagulation bridge therapy for atrial fibrillation (BAF). In many cases these practices are of low value. Methods We analysed patients admitted to Internal Medicine wards throughout 2018 (2714 inpatients). We used different methodologies to identify low-value clinical practices. Results BR or DR at admission were recommended in 37% (32–44) and 24% (19–30) of the patients respectively. In 81% (71–87) and 33% (21–45) of the cases this restriction was deemed unnecessary. Ninety-six percent (92–98) had VL and 25% (19–32) UC. VL were not used in 10% (6–12), UC had no indications for insertion in 21% (11–35) and for maintenance in 31% (12–46) patients. Fifty-seven percent (49–64) of the patients were administered VTP and 69% (62–76) were prescribed SUP. Twenty-two percent (15–31) of patients with VTP and 52% (43–60) with SUP had no indication. Chronic anticoagulation for AF was interrupted in 65% (53–75) with BAF was prescribed in 38% (25–52) of them. An intervention to reduce low-value care supporting clinical practices addressed only to the Internal Medicine Wards showed very poor results. Conclusion These results demonstrate that there is ample room for reduction of low-value care. Interventions to implement clinical guidelines at admissions should be addressed to cover the entire admission process, from the emergency room to the ward. Partial approaches are discouraged.

PROBAC REIPI/GEIH-SEIMC/SAEI Group., The epidemiology of bloodstream infections (BSIs) is dynamic as it depends on microbiological, host and healthcare system factors. The aim of this study was to update the information regarding the epidemiology of BSIs in Spain considering the type of acquisition. An observational, prospective cohort study in 26 Spanish hospitals from October 2016 through March 2017 including all episodes of BSI in adults was performed. Bivariate analyses stratified by type of acquisition were performed. Multivariate analyses were performed by logistic regression. Overall, 6345 BSI episodes were included; 2510 (39.8%) were community-acquired (CA), 1661 (26.3%) were healthcare-associated (HCA) and 2056 (32.6%) hospital-acquired (HA). The 30-day mortality rates were 11.6%, 19.5% and 22.0%, respectively. The median age of patients was 71 years (interquartile range 60–81 years) and 3656 (58.3%; 95% confidence interval 57.1–59.6%) occurred in males. The proportions according to patient sex varied according to age strata. Escherichia coli (43.8%), Klebsiella spp. (8.9%), Staphylococcus aureus (8.9%) and coagulase-negative staphylococci (7.4%) were the most frequent pathogens. Multivariate analyses confirmed important differences between CA and HCA episodes, but also between HCA and HA episodes, in demographics, underlying conditions and aetiology. In conclusion, we have updated the epidemiological information regarding patients’ profiles, underlying conditions, frequency of acquisition types and aetiological agents of BSI in Spain. HCA is confirmed as a distinct type of acquisition., This work was financed by grants from Plan Nacional de I+D+i 2013–2016, Instituto de Salud Carlos III, Subdirección General de Redes y Centros de Investigación Cooperativa, Ministerio de Ciencia, Innovación y Universidades [PI16/01432] and the Spanish Network for Research in Infectious Diseases (REIPI) [RD16/0016/0001; RD16/0016/0008], co‐financed by the European Development Regional Fund ‘A way to achieve Europe’, Operative program Intelligent Growth 2014–2020.

The objective of this study was to review the characteristics and outcome of prosthetic joint infections (PJI) due to Enterococcus sp. collected in 18 hospitals from six European countries. Patients with a PJI due to Enterococcus sp. diagnosed between January 1999 and July 2012 were retrospectively reviewed. Relevant information about demographics, comorbidity, clinical characteristics, microbiological data, surgical treatment and outcome was registered. Univariable and multivariable analyses were performed. A total of 203 patients met the inclusion criteria. The mean (SD) was 70.4 (13.6) years. In 59 patients the infection was diagnosed within the first 30 days (29.1%) from arthroplasty, in 44 (21.7%) between 31 and 90 days, in 54 (26.6%) between 91 days and 2 years and in 43 (21%) after 2 years. Enterococcus faecalis was isolated in 176 cases (89%). In 107 (54%) patients the infection was polymicrobial. Any comorbidity (OR 2.53, 95% CI 1.18–5.40, p 0.01), and fever (OR 2.65, 95% CI 1.23–5.69, p 0.01) were independently associated with failure. The only factor associated with remission was infections diagnosed later than 2 years (OR 0.25, 95% CI 0.09–0.71, p 0.009). In conclusion, prosthetic joint infections due to Enterococcus sp. were diagnosed within the first 2 years from arthroplasty in >70% of the patients, almost 50% had at least one comorbidity and infections were frequently polymicrobial (54%). The global failure rate was 44% and patients with comorbidities, fever, and diagnosed within the first 2 years from arthroplasty had a poor prognosis.

Although most primary bone tumors and soft tissue tumors arise around the knee joint, many patients with tumoral conditions attribute their symptoms to traumatic events. This may lead to misdiagnosis and mistakes in selection of therapeutic approach. Arthroscopy is the preferred method for diagnosis and treatment of knee joint disease, but even a minimally invasive procedure may have adverse consequences in the presence of an unsuspected neoplasm. Thus, evaluation of all patients who may benefit from knee arthroscopy requires a careful and systematic workup that consists of appropriate noninvasive imaging studies and thoughtful consideration regarding the need for magnetic resonance imaging. Arthroscopic biopsy and treatment are recommended for selected intra-articular tumors. In addition, arthroscopy is a useful adjunct during surgical treatment of patients with certain juxta-articular benign bone tumors. In this Current Concepts review, we consider the risks and benefits of arthroscopy in the presence of tumors about the knee joint.

It is important to know the spectrum of the microbial aetiology of prosthetic joint infections (PJIs) to guide empiric treatment and establish antimicrobial prophylaxis in joint replacements. There are no available data based on large contemporary patient cohorts. We sought to characterize the causative pathogens of PJIs and to evaluate trends in the microbial aetiology. We hypothesized that the frequency of antimicrobial-resistant organisms in PJIs has increased in the recent years. We performed a cohort study in 19 hospitals in Spain, from 2003 to 2012. For each 2-year period (2003-2004 to 2011-2012), the incidence of microorganisms causing PJIs and multidrug-resistant bacteria was assessed. Temporal trends over the study period were evaluated. We included 2524 consecutive adult patients with a diagnosis of PJI. A microbiological diagnosis was obtained for 2288 cases (90.6%). Staphylococci were the most common cause of infection (1492, 65.2%). However, a statistically significant rising linear trend was observed for the proportion of infections caused by Gram-negative bacilli, mainly due to the increase in the last 2-year period (25% in 2003-2004, 33.3% in 2011-2012; p 0.024 for trend). No particular species contributed disproportionally to this overall increase. The percentage of multidrug-resistant bacteria PJIs increased from 9.3% in 2003-2004 to 15.8% in 2011-2012 (p 0.008), mainly because of the significant rise in multidrug-resistant Gram-negative bacilli (from 5.3% in 2003-2004 to 8.2% in 2011-2012; p 0.032). The observed trends have important implications for the management of PJIs and prophylaxis in joint replacements. N. Benito, (C) 2016 European Society of Clinical Microbiology and Infectious Diseases. Published by Elsevier Ltd. All rights reserved.