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These days sexually transmitted infections (STIs) are important public health problems not only due to their high prevalence, but also because they require early diagnosis and treatment to avoid complications. In recent years, there has been an exponential increase in cases of infections caused by Chlamydia trachomatis and gonococcus in the population under 25years of age. In addition, an increase in the incidence of syphilis and hepatitisC (HCV) has also been detected, especially in men who have sex with other men (MSM). Genital herpes continues to be the second most frequent STI in the world, behind condyloma acuminata, and the first cause of genital ulcer among Spain in the sexually active population. A decrease in reported HIV cases was observed during 2020, but almost half of these new cases had a late diagnosis (<350CD4cell/μL). Current guidelines recommend offering STI annual screening to populations at risk or more often depending on the risk. STIs can appear in the form of syndromes, such as secretory syndrome (urethritis, proctitis, and cervicitis) or ulcerated syndrome (ulcers). The STIs that can cause secretory syndrome are mainly caused by Neisseria gonorrhoeae and C.trachomatis, which co-infect up to 40% of cases, and also cause urethritis, cervicitis or proctitis depending on where they are located. Gonococcus has an incubation period of 2-7days and Chlamydia 2-6weeks, and they are diagnosed using PCR and/or culture (the last one only valid for gonococcus) of samples collected according to sexual activities. Empirical treatment to cover both germs will be accomplished with ceftriaxone, 1g single intramuscular dose plus doxycycline 100mg every 12h orally for 7days, or azithromycin 1g single dose orally (we will use azithromycin only if we suspect a poor compliance with treatment, difficulty in going to the control or in pregnancy). Likewise, whenever we diagnose an STI firstly, we must offer advice and health education in order to promote the adoption of safe sexual behaviours and the correct use of barrier methods. Secondly, we must also screen for other STIs (HIV, syphilis, hepatitisB, and hepatitisA andC depending on the risk), offer HBV and HAV vaccination if it is appropriate, and finally study and treat all sexual partners from the previous 3months., (Copyright © 2023 The Author(s). Publicado por Elsevier España, S.L.U. All rights reserved.)

There is limited scientific evidence available to stratify the risk of developing metachronous colorectal cancer after resection of colonic polyps and to determine surveillance intervals and is mostly based on observational studies. However, while awaiting further evidence, the criteria of endoscopic follow-up needs to be unified in our setting. Therefore, the Spanish Association of Gastroenterology, the Spanish Society of Family and Community Medicine, the Spanish Society of Digestive Endoscopy, and the Colorectal Cancer Screening Group of the Spanish Society of Epidemiology, have written this consensus document, which is included in chapter 10 of the "Clinical Practice Guideline for Diagnosis and Prevention of Colorectal Cancer. 2018 Update". Important developments will also be presented as regards the previous edition published in 2009. First of all, situations that require and do not require endoscopic surveillance are established, and the need of endoscopic surveillance of individuals who do not present a special risk of metachronous colon cancer is eliminated. Secondly, endoscopic surveillance recommendations are established in individuals with serrated polyps. Finally, unlike the previous edition, endoscopic surveillance recommendations are given in patients operated on for colorectal cancer. At the same time, it represents an advance on the European guideline for quality assurance in colorectal cancer screening, since it eliminates the division between intermediate risk group and high risk group, which means the elimination of a considerable proportion of colonoscopies of early surveillance. Finally, clear recommendations are given on the absence of need for follow-up in the low risk group, for which the European guidelines maintained some ambiguity., (Copyright © 2018 Elsevier España, S.L.U. All rights reserved.)

This document updates the recommendations made by the Spanish Society of Family and Community Medicine and the Spanish Association of Gastroenterology for the diagnosis and prevention of colorectal cancer (CRC). In order to evaluate the quality of the evidence and determine the recommendation levels of the interventions, we used the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) methodology. This document establishes optimal delay intervals based on symptoms and the faecal immunochemical test (FIT) and recommends reducing the barriers for diagnostic confirmation in symptomatic subjects. With regard to CRC screening in the average-risk population, we propose strategies to achieve the universal implementation of organised CRC screening programmes based on biennial FIT and to increase the participation of the target population, including the involvement of Primary Healthcare. This Clinical Practice Guideline recommends universal screening for Lynch syndrome with mismatch repair proteins immunohistochemistry or microsatellite instability in incident CRCs and the use of gene panels in patients with adenomatous polyposis. It also updates the strategies to reduce the incidence and mortality of both CRC and other tumours associated with hereditary syndromes. Regarding non-hereditary familial CRC and surveillance after resection of adenomas, serrated lesions or CRC, we established the recommendations based on the attributable risk and the risk reduction of the proposed intervention. Finally, the document includes recommendations regarding surveillance intervals in inflammatory bowel disease and the attitude towards dysplasia., (Copyright © 2018 Elsevier España, S.L.U. All rights reserved.)

The "Preparation of Clinical Practice Guidelines in Digestive Diseases, from Primary Care to Specialist Care" Program, is a joint project by the Spanish Gastroenterology Association (AEG), the Spanish Society of Family and Community Medicine (SEMFyC), and the IberoAmerican Cochrane Center (CCI). We present the update of the Guidelines on the Management of Dyspepsia, which was published in 2003. The essential criteria provided in the AGREE (Appraisal of Guidelines, Research and Evaluation for Europe) Instrument were taken into account in the preparation of this document. The GRADE (Grading of Recommendations Assessment, Development and Evaluation) system was used to classify the scientific evidence and strengthen the recommendations., (Copyright © 2012 Elsevier España, S.L. All rights reserved.)