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Revista Clínica Española
Article . 2018 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Infección por Pneumocystis jirovecii en pacientes con neumonía intersticial aguda

Authors: Martínez-Risquez M. T.; Friaza Patiño, Vicente; Horra, Carmen de la; Martín-Juan, José; Calderón, Enrique J.; Medrano, Francisco Javier;

Infección por Pneumocystis jirovecii en pacientes con neumonía intersticial aguda

Abstract

[ES] Objetivo: La neumonía intersticial aguda (NIA) es una enfermedad grave de etiología desconocida. Pneumocystis jirovecii es un hongo oportunista atípico capaz de colonizar pacientes con enfermedad pulmonar crónica e inducir la activación de los macrófagos alveolares. El objetivo de este trabajo fue valorar la posible asociación entre Pneumocystis jirovecii y la NIA. Sujetos y métodos: Se estudió la presencia de P. jirovecii mediante un método de PCR anidada de 2 pasos, en líquido de lavado broncoalveolar obtenido de los 4 casos confirmados de NIA identificados en un hospital terciario durante un período de 9 años. Resultados: Se identificó P. jirovecii en los 4 casos. Ninguno de ellos estaba infectado por VIH. Se trató de forma empírica a 2 pacientes con trimetoprim-sulfametoxazol, siendo uno de ellos el único de los 4 casos que sobrevivió. Conclusiones: Nuestros datos sugieren que Pneumocystis podría desencadenar o favorecer el desarrollo de NIA. Es necesario realizar más estudios para evaluar el papel de este patógeno en la fisiopatología de dicha enfermedad.

[EN] Objective: Acute interstitial pneumonia (AIP) is a severe disease of unknown etiology. Pneumocystis jirovecii is an atypical opportunistic fungus able to colonize patients with chronic pulmonary disease and inducing alveolar macrophage activation. The aim of this study was to evaluate the possible association between Pneumocystis jirovecii and AIP. Subjects and methods: The presence of P. jirovecii in bronchoalveolar lavage fluid in the four confirmed cases of AIP identified in a tertiary-care hospital over a period of nine years was studied using a 2-step nested-PCR protocol assay. Results: P. jirovecii was identified in the four cases. None of them had HIV infection. Two of the patients were treated empirically with trimethoprim-sulfamethoxazole, the only survivor was being one of them. Conclusions: Our data suggest that Pneumocystis could trigger or favor the development of AIP. Further studies are needed to evaluate the role of the pathogen in the physiopathology of this disease.

Keywords

Acute interstitial pneumonia, Reacción en cadena de la polimerasa, Neumonía intersticial aguda, Pneumocystis jirovecii, Polymerase chain reaction

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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