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Estudio retrospectivo de 49 casos de infección aguda por parvovirus B19 en adultos / Acute Parvovirus B19 Infection in Adults: A Retrospective Study of 49 Cases

Objetivo: El objeto de nuestro trabajo es describir las características epidemiológicas, clínicas y analíticas de la infección aguda por parvovirus B19 en adultos. Material y métodos: Presentamos un estudio descriptivo retrospectivo de todos los casos de infección aguda por parvovirus B19, en mayores de 18 años, durante el año 2012, en el Hospital Universitario La Paz, Madrid. Resultados: Cuarenta y nueve pacientes adultos con infección aguda por parvovirus B19. La mayoría ocurrieron en mujeres jóvenes en primavera y principios de verano. La lesión cutánea fue el signo fundamental para el diagnóstico en más del 50% de los casos. Se encontraron todo tipo de exantemas purpúricos más o menos generalizados, siendo relativamente frecuente la forma de vasculitis (> 18%). Las alteraciones en el hemograma y perfil hepático, leves o moderadas, se resolvieron espontáneamente, salvo en 2 pacientes inmunodeprimidos en quienes persistió una anemia crónica. Conclusiones: Es la serie más amplia de infección aguda por parvovirus B19 descrita, hasta la fecha, en la literatura. Ante exantemas purpúricos de cualquier distribución o lesiones de vasculitis, sobre todo si se acompanan de fiebre y artralgias y se presentan en mujeres jóvenes en primavera, debemos sospechar una infección aguda por parvovirus B19 y recomendar medidas para evitar el contagio a personas de riesgo (AU)

Objective: Our aim was to describe the epidemiologic, clinical, and laboratory characteristics of acute parvovirus B19 infection in adults. Material and methods: This study describes all cases of acute parvovirus B19 infection in patients older than 18 years of age who were treated at Hospital Universitario La Paz in Madrid, Spain, in 2012. Results: Forty-nine adults were treated for acute parvovirus B19 infection. Most were young women who were infected in the spring or early summer. In over half the cases skin lesions were key diagnostic signs.We saw the full range of types of rash of purplish exanthems that were fairly generalized; vasculitis was relatively common (in > 18%). Mild or moderate abnormalities in blood counts and indicators of liver dysfunction resolved spontaneously in all but 2 immunocompromised patients, who developed chronic anemia. Conclusions: This is the largest case series of acute parvovirus B19 infection published to date. This infection should be suspected on observing signs of purplish skin rashes, no matter the location or pattern of distribution, or vasculitis, especially if accompanied by fever and joint pain in young women in the spring. Measures to avoid infection should be recommended to individuals at risk (AU)

Acute parvovirus B19 infection in adults: a retrospective study of 49 cases.

OBJECTIVE: Our aim was to describe the epidemiologic, clinical, and laboratory characteristics of acute parvovirus B19 infection in adults. MATERIAL AND METHODS: This study describes all cases of acute parvovirus B19 infection in patients older than 18 years of age who were treated at Hospital Universitario La Paz in Madrid, Spain, in 2012. RESULTS: Forty-nine adults were treated for acute parvovirus B19 infection. Most were young women who were infected in the spring or early summer. In over half the cases skin lesions were key diagnostic signs.We saw the full range of types of rash of purplish exanthems that were fairly generalized; vasculitis was relatively common (in >18%). Mild or moderate abnormalities in blood counts and indicators of liver dysfunction resolved spontaneously in all but 2 immunocompromised patients, who developed chronic anemia. CONCLUSIONS: This is the largest case series of acute parvovirus B19 infection published to date. This infection should be suspected on observing signs of purplish skin rashes, no matter the location or pattern of distribution, or vasculitis, especially if accompanied by fever and joint pain in young women in the spring. Measures to avoid infection should be recommended to individuals at risk.