Notes

Concordance in between key filling device biopsy as well as surgical removal types pertaining to Ki-67 inside breast cancers * a deliberate overview of the novels.
Repeatability was good, with up to 94% of laboratories reporting results within the limits (D less then 0.5 log10 copies/mL). The HBV and HCV programme consisted of two standards with different viral load contents. Most of the participants, 82% in the case of HCV and 87% in that of HBV, obtained all the results within the accepted range (mean±1.96 SD log10 UI/mL). CONCLUSIONS Data from this analysis reinforce the utility of proficiency programmes to ensure the quality of the results obtained by a particular laboratory. Due to the marked interlaboratory variability observed, it is advisable to use the same method and laboratory for patient follow-up. L.U.This article provides an analysis of the results obtained in 2018 by the participants inscribed in the External Quality Control Programme of the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC), which includes controls for bacteriology, serology, mycology, parasitology, mycobacteria, virology, molecular microbiology, and genotypic bacterial resistance. The results obtained in 2018 confirm the excellent skill and good technical standards found in the vast majority of Spanish clinical microbiology laboratories, as shown in previous editions. However, the programme again shows that erroneous results can be obtained in any laboratory and even in clinically relevant determinations. Once again, the results of this programme highlight the need to implement both internal and external controls, as in the SEIMC programme. L.U.This article provides an analysis of the results obtained in 2017 by the participants inscribed in the External Quality Control Programme of the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC), which includes controls for bacteriology, serology, mycology, parasitology, mycobacteria, virology, molecular microbiology, and genotypic bacterial resistance. The results obtained in 2017 confirm the excellent skill and good technical standards found in previous editions. However, the programme again showed that erroneous results can be obtained in any laboratory and even in clinically relevant determinations. Once again, the results of this program highlight the need to implement both internal and external controls, as in the SEIMC programme. L.U.Candida auris is an emerging multidrug-resistant yeast that causes serious invasive infections and outbreaks with high mortality. Controlling C. auris is a challenge in which laboratories, clinicians and public health agencies are needed to identify and treat infections and prevent transmission. This review describes the general aspects of the biology, diagnosis and treatment of C. auris infection, as well as the main recommendations recently published by expert groups. We also present our experience of the C. auris outbreak at the Consorcio Hospital General Universitario de Valencia from September 2017 to August 2019. A total of 203 patients were colonised and/or infected by C. auris. Thirty invasive infections (29 blood cultures and one case of meningitis) were diagnosed. In all, 32% cases of candidemia were caused by C. auris in 2018. All strains were resistant to fluconazole. L.U.For the first time, next generation sequencing technologies provide access to genomic information at a price and scale that allow their implementation in routine clinical practice and epidemiology. While there are still many obstacles to their implementation, there are also multiple examples of their major advantages compared with previous methods. Their main advantage is that a single determination allows epidemiological information on the causative microorganism to be obtained simultaneously, as well as its resistance profile, although these advantages vary according to the pathogen under study. This review discusses several examples of the clinical and epidemiological use of next generation sequencing applied to complete genomes and microbiomes and reflects on its future in clinical practice. L.U.Infections causes by parasites of the gastrointestinal tract are a global public health problem. In industrialised countries, their particular epidemiological (low general prevalence of enteroparasites), economic (high labour costs) and clinical characteristics (constant increase in the number of samples and diagnostic determinations to be performed) have led molecular techniques to progressively replace conventional microscopy as the first-line diagnostic method of these pathogens in modern clinical laboratories. PCR-based techniques, particularly those developed for the simultaneous detection of the various agents that can cause the same infectious disease (syndromic diagnosis), already represent a cost-effective option that allow process automisation, workflow optimisation, and comparison of results among different laboratories, and facilitate accreditation of diagnostic procedures. This review clearly and concisely discusses the current situation of the molecular diagnosis of the main species of intestinal parasites in humans, particularly the enteric protozoans causing diarrhoea (Cryptosporidium spp., Giardia duodenalis, Entamoeba histolytica), the most important members the Microsporidia phyla (Enterocytozoon bieneusi) and Stramenopiles phyla (Blastocystis sp.), as well as the helminths transmitted by soil (Ancylostoma spp., Ascaris lumbricoides, Necator americanus, Strongyloides stercoralis and Trichuris trichiura) and food (Anisakis spp., Clonorchis sinensis, Fasciola spp., Taenia solium, and Trichinella spiralis). Special attention is paid to the description of available techniques and formats, to their diagnostic benefits and the most widely used genetic markers for their detection, both in clinical laboratories and genotyping in referral and research centres. L.U.Viral infections of the nervous system represent a major health problem. PepstatinA It is estimated that the incidence of viral meningitis in the general population ranges from 5-17 cases per 100,000 inhabitants per year in developed countries. This heading encompasses highly varied clinical pictures, ranging from meningitis to encephalitis. This article presents the agents involved in our environment and discusses their expressiveness. In immunocompetent patients, the course of these infections is usually benign. Nucleic acid amplification techniques are the gold standard for their etiological diagnosis. The introduction of polymerase chain reaction and serological diagnosis of the main arboviruses has increased the diagnostic capabilities in a wide spectrum of these clinical entities. L.U.
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