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      Enfermedad neumocócica en el adulto: niveles de riesgo y recomendaciones de vacunación Translated title: Pneumococcal disease in adults: Risk levels and vaccine recommendations

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          Resumen

          Actualmente 2 vacunas antineumocócicas están disponibles para uso en adultos: la «clásica» vacuna neumocócica polisacárida tricosavalente (VNP23) y la «nueva» vacuna neumocócica conjugada tridecavalente (VNC13). La principal ventaja de la VNC13 sería su potencial mejor inmunogenicidad, siendo sus principales inconvenientes el elevado coste y la baja cobertura de serotipos en comparación con la VNP23. Las evidencias actualmente disponibles apoyan las siguientes recomendaciones básicas: a) en los adultos con más alto riesgo (básicamente inmunocompromiso y/o asplenia) se recomienda la vacunación dual con ambas vacunas; b) en los sujetos con riesgo elevado (básicamente personas > 65 años y pacientes de 15-64 años con enfermedad pulmonar o cardiaca crónica, diabetes y/o alcoholismo) se recomienda la vacunación simple con VNP23 (dosis única en primovacunados ≥ 65 años; revacunación a los 5-10 años en el caso de primovacunados antes de los 65 años), y c) en el resto de adultos (riesgo normal/bajo) no se recomienda la vacunación.

          Translated abstract

          There are currently two anti-pneumococcal vaccines available for use in adults: the classical 23-valent polysaccharide pneumococcal vaccine (PPV23) and the new 13-valent pneumococcal conjugate vaccine (PCV13). The main advantage of the PCV13 is the potentially better immunogenicity, with its major disadvantages being the higher cost and the lower serotype-coverage than the PPV23. The currently available scientific evidence supports the following basic recommendations: (i) among adults with greatest risk (basically asplenia and immunocompromised), a dual vaccination (PCV13 + PPV23) is recommended; (ii) among adults with increased risk (basically persons > 65 years-old and patients 15-64 years with chronic pulmonary or heart disease, diabetes and/or alcoholism), a single vaccination with PPV23 is recommended (single dose in primo-vaccinated > 65 years; re-vaccination at 5-10 years in those primo-vaccinated < 65 years-old); and (iii) in the rest of adults (risk normal/low) vaccination is not recommended.

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          Most cited references15

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          Epidemiological differences among pneumococcal serotypes.

          The bacterial species Streptococcus pneumoniae consists of 90 immunologically distinct serotypes, of which some possess distinct epidemiological properties. Certain serotypes are much more likely to be associated with nasopharyngeal colonisation than to cause invasive disease. Compared with transient or infrequent colonisers, serotypes carried at high rates by young children may rapidly elicit age-associated natural immunity to invasive disease. Other serotypes seem to be of disproportionate importance as causes of disease in very young infants, in older children, in immunocompromised individuals, or in elderly people. Some serotypes seem to be associated with particular disease syndromes, such as complicated pneumonias in children, or with higher rates of hospitalisation in children or mortality in adults, or are consistently responsible for outbreaks in certain populations. Since pneumococcal conjugate vaccines are directed at specific serotypes, national immunisation advisory committees may wish to consider these serotype-specific properties when considering which vaccine formulation to introduce into a national programme.
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            Updated recommendations for prevention of invasive pneumococcal disease among adults using the 23-valent pneumococcal polysaccharide vaccine (PPSV23).

            , (2010)
            Invasive disease from Streptococcus pneumoniae (pneumococcus) is a major cause of illness and death in the United States, with an estimated 43,500 cases and 5,000 deaths among persons of all ages in 2009. This report provides updated recommendations from the Advisory Committee on Immunization Practices (ACIP) for prevention of invasive pneumococcal disease (IPD) (i.e., bacteremia, meningitis, or infection of other normally sterile sites) through use of the 23-valent pneumococcal polysaccharide vaccine (PPSV23) among all adults aged >or=65 years and those adults aged 19-64 years with underlying medical conditions that put them at greater risk for serious pneumococcal infection. The new recommendations include the following changes from 1997 ACIP recommendations: 1) the indications for which PPSV23 vaccination is recommended now include smoking and asthma, and 2) routine use of PPSV23 is no longer recommended for Alaska Natives or American Indians aged <65 years unless they have medical or other indications for PPSV23. ACIP recommendations for revaccination with PPSV23 among the adult patient groups at greatest risk for IPD (i.e., persons with functional or anatomic asplenia and persons with immunocompromising conditions) remain unchanged. ACIP recommendations for prevention of pneumococcal disease among infants and youths aged
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              Streptococcus pneumoniae: epidemiology and risk factors, evolution of antimicrobial resistance, and impact of vaccines.

              Streptococcus pneumoniae (pneumococcus) remains an important cause of pneumonia, meningitis, bacteremias, and acute otitis media worldwide. Antimicrobial resistance among pneumococci has escalated dramatically over the past three decades, and is influenced by patterns of antibiotic use, population density, and spread of a few international clones. Globally, antimicrobial resistance among pneumococci spread rapidly in the 1990s, reflecting dissemination of a few clones. The incidence of resistance varies considerably among different geographic regions and is influenced by patterns of antibiotic use, population density, and local prevalence of resistant strains. The use of specific antibiotic classes not only predisposes to resistance to that class but also may facilitate emergence of resistance to unrelated antibiotic classes. Judicious usage of antibiotics may reduce the incidence of antibiotic-resistant pneumococci. Following usage of the pneumococcal conjugate vaccine in children, the incidence of invasive pneumococcal disease declined in both children and adults (reflecting herd immunity). However, emergence of serotypes not encompassed in the vaccine is worrisome, and may be associated with heightened antimicrobial resistance and virulence. Continued vigilance for emergence of novel serotypes and development of vaccines with expanded coverage and immunogenicity will be critical for optimal prevention of pneumococcal infections.
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                Author and article information

                Contributors
                Journal
                Aten Primaria
                Aten Primaria
                Atencion Primaria
                Elsevier
                0212-6567
                1578-1275
                17 October 2016
                February 2017
                17 October 2016
                : 49
                : 2
                : 111-117
                Affiliations
                [0005]Direcció d’Atenció Primària Camp de Tarragona, Institut Català de la Salut, Tarragona, España
                Author notes
                [* ]Autor para correspondencia. oochoa.tarte.ics@ 123456gencat.cat
                Article
                S0212-6567(16)30286-4
                10.1016/j.aprim.2016.06.007
                6875917
                27765456
                b6429748-9753-4e2a-b92f-4b012a40153a
                © 2016 Elsevier España, S.L.U.

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                : 20 May 2016
                : 1 June 2016
                Categories
                Artículo Especial

                adultos,enfermedad neumocócica,recomendaciones,vacunación antineumocócica,adults,pneumococcal disease,recommendations,anti-pneumococcal vaccine

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