The mycological and molecular study of Pneumocystis jiroveci pneumonia among HIV and non-HIV immunocompromised patients hospitalized in pulmonary units in Guilan, Northern Iran

pneumonia (PJP) is a serious infection that usually affects those with a weak immune system. Since the prevalence of this infection in Iran and in the world is not clearly defined, the present study aimed to evaluate the incidence, clinical spectrum, and demographic characteristics of PJP among HIV...

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Bibliographic Details
Published in:	Iranian journal of microbiology Vol. 13; no. 4; pp. 518 - 524
Main Authors:	Rafat, Zahra, Ashrafi, Keyhan, Hashemi, Seyed Jamal, Sasani, Elahe, Naserani, Alireza, Sarvestani, Hasti Kamali, Hashemi, Farshid
Format:	Journal Article
Language:	English
Published:	Iran Tehran University of Medical Sciences 01-08-2021
Subjects:	Diabetes mellitus Epidemiology Human immunodeficiency virus Immunosuppression Original Pneumocystis Pneumonia Immunosuppression Pneumonia Iran Diabetes mellitus Pneumocystis Human immunodeficiency virus Epidemiology
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Summary:	pneumonia (PJP) is a serious infection that usually affects those with a weak immune system. Since the prevalence of this infection in Iran and in the world is not clearly defined, the present study aimed to evaluate the incidence, clinical spectrum, and demographic characteristics of PJP among HIV and non-HIV immunocompromised patients. Bronchoalveolar Lavage (BAL) specimens were obtained from 3 groups of immunocompromised patients, including acquired immunodeficiency syndrome (AIDS) patients, diabetic patients, and patients receiving immunosuppressive therapies. All were hospitalized in pulmonary units. The specimens were examined using microscopic methods (Giemsa and calcofluor white staining) and the nested-PCR technique based on mtLSU-rRNA gene. A total of 120 BAL samples were collected. From 12.5% (5 from 40) of HIV-infected patients, 5% (2 from 40) of patients receiving immunosuppressive therapies, and 2.5% (1 from 40) of diabetic patients was isolated. There was not any association between the prevalence of PJP and the patient's gender ( = 0.557) and age ( = 0.681). Fever and dyspnea (n=7, 87.5%), nonproductive cough and abnormal auscultation sound (n=5, 62.5%), and also chills and weight loss (n=2, 25%) were the documented clinical symptoms of PJP. Also, the results showed that none of the samples had positive results for with microscopic tests while using the nested-PCR method 8 samples had positive results. Since PJP often causes symptoms that are similar to other illnesses, such as the flu or tuberculosis, clinical and laboratory findings should be used simultaneously for making the final decision on drug administration.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2008-3289 2008-4447
DOI:	10.18502/ijm.v13i4.6977