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Candida auris is a new species of Candida that causes nosocomial outbreaks in several countries around the world, including Spain. C.auris is resistant to fluconazole and multi- and pan-resistant strains have been described. It is highly transmissible and can survive long term in the hospital environment, causing long-lasting outbreaks that are difficult to detect in early stages, and making it difficult to control and eradicate. It is currently an emerging threat to global health. This document provides a set of guidelines, developed by a multidisciplinary team, to limit the impact and facilitate the control of C.auris infection based on the experiences gathered in the Spanish and English outbreaks. The implementation of early and strict surveillance and control measures is essential to prevent the spread of the outbreak, which can spread over time, posing a significant risk to complex, critical and immunocompromised surgical patients. Immediate notification of C.auris isolation to clinical and infection control teams, as well as to health authorities and institutions, is essential to implement infection control measures at all levels in a timely manner, to prevent internal and inter-centre transmission, and to ensure a proper surveillance and prevention to patients who are already colonized and can develop an infection., (Copyright © 2019 Asociación Española de Micología. Publicado por Elsevier España, S.L.U. All rights reserved.)

Ritonavir-boosted lopinavir (LPV/r) is a protease inhibitor used for the treatment of human immunodeficiency virus (HIV) infection in both normal patients and in certain situations. In patients with renal failure, LPV/r does not require dosage adjustment because it is metabolized in the liver. Cohort studies have shown that the incidence of varying degrees of renal disease and/or crystalluria related to combination antiretroviral therapy with tenofovir and some protease inhibitors (PI) does not appear with LPV/r or that the incidence is much lower with this combination. Neurocognitive impairments are described in a high proportion of patients with HIV infection and viral replication or related inflammatory activity in the subarachnoid space. In these patients, LPV/r is one of the therapeutic options. A score has been published that rates antiretroviral drugs according to the concentration attained in the cerebrospinal fluid (CSF). LPV/r levels reached in CSF exceed the IC50 of wild-type HIV and has a valuable score (score 3) of the drugs currently used. The most important comorbid condition is chronic hepatitis, due to its frequency and because the biotransformation of LPV/r occurs in the liver. In these circumstances, it is important to evaluate the influence of liver failure on blood drug levels and how these values may cause liver toxicity. LPV/r dose modification has not been established in the presence of liver failure. LPV/r-induced liver toxicity has only been reported with a certain frequency when liver enzymes were elevated at baseline or in patients with chronic hepatitis C, although most cases of liver toxicity were mild., (Copyright © 2014 Elsevier España, S.L.U. All rights reserved.)

Survey in 349 HIV infected subjects in 19 Spanish Hospitals in 2010-2011, to assess the reasons for antiretroviral treatment change. Simplification was the most frequent reason for change (37%), followed by toxicity (30%) and treatment failure (21%). There were statistically significant differences according to treatment line and transmission category. In conclusion, in many patients treatment is changed in order to obtain the benefits of a regimen easier to follow.