A survey on the pathogenic fungi in soil samples of potted plants from Sari hospitals, Iran

Hedayati, Mohammad Taghi; Mohseni-Bandpi, A.; Moradi, Sh.

doi:10.1016/j.jhin.2004.04.011

Cited by 43 publications

(34 citation statements)

References 12 publications

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“…However, due to crossreactivity between GM antigen and some antibiotics (21)(22)(23)(24)(25)(26)(27)(28) in patients who receive these antibiotics, the result of the GM assay may be controversial. Thus, additional specific 4 Jundishapur J Microbiol. In Press(In Press):e13670.…”

Section: Discussionmentioning

confidence: 99%

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Investigating the Presence of Aspergillus fumigatus and A. flavus Using Galactomannan Enzyme Assay and TaqMan Real-Time PCR Technique

Roudbarmohammadi

Khorashad

Forouzandeh-Moghadam

et al. 2018

Jundishapur J Microbiol

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Background: Invasive aspergillosis (IA), a serious and fatal disease, is caused by numerous opportunistic fungi including Aspergillus species. Lack of early diagnosis and delay in treatment lead to the rapid spread of the infection and relapse, increase treatment costs, and ultimately cause death. Objectives: This study aimed at investigating the presence of Aspergillus species by Galactomannan EIA (GM) and TaqMan q PCR methods. Methods: Fluid samples of bronchoalveolar lavage (BAL) were collected from 89 patients, who were at risk for IA and underwent a bronchoscopy at Shariati hospital in Tehran, Iran. The specimens were examined using direct examination, culture methods, and GM and TaqMan real-time PCR. Results: A total of 23 samples were found to be positive in direct examination, 7 were identified as A. fumigatus, and 11 were positive as A.flavus in culture assays, 27 were GM positive, and 29 were positive with PAN Aspergillus probe. Moreover, 7 samples were positive with A. fumigatus probe and 11 were positive with A. flavus probe. Negative predictive value (NPV), sensitivity, positive predictive value

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Section: Discussionmentioning

confidence: 99%

“…In addition, the probability to produce fulminant invasive infection in immunocompromised patients is possible (3). Numerous findings have indicated that a substantial cause of fungi found in hospitals is from potted plants (4). However, the most prevalence of IA was found in high risk cases.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Presence of Aspergillus fumigatus and A. flavus Using Galactomannan Enzyme Assay and TaqMan Real-Time PCR Technique

Roudbarmohammadi

Khorashad

Forouzandeh-Moghadam

et al. 2018

Jundishapur J Microbiol

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“…However the Platelia Aspergillus GM EIA was designed to detect the presence of GM in serum samples but some authors suggested that it can be beneficial to detect GM in BAL fluid for IA diagnosis with high sensitivities and specificities (6,20,32). The previous studies (4,19,20) have shown that a GM index of ≥1.0 in comparison with 0.5 in BAL fluid enhances the diagnosis of IA in patients who are at risk; so in the present study, we used this GM index as a cutoff value for positive BAL GM.…”

Section: Discussionmentioning

confidence: 99%

“…Our previous studies have also shown that the equipment and medical devices, potted plant and water can be a significant source for Aspergillus distribution in hospitals (17)(18)(19). Inhalation of Aspergillus conidia can give rise to various clinical conditions, depending essentially on the host's immunological status (22).…”

Section: Introductionmentioning

confidence: 99%

Invasive Aspergillosis in Intensive Care Unit Patients in Iran

Hedayati

Khodavaisy

Amini

et al. 2013

Acta Med. (Hradec Kralove, Czech Repub.)

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Summary:We assessed the intensive care unit (ICU) patients for Invasive aspergillosis (IA) with culture and non-culture based diagnostic methods from Iran. Thirty-six ICU patients with underlying predisposing conditions for IA were enrolled in the study. Sixty eight Bronchoalveolar lavage (BAL) samples were collected by bronchoscope twice a weekly. BAL samples were analyzed by microscopic examination, fungal culture and galactomannan (GM) detection. The Platelia Aspergillus GM EIA was used to quantify GM indices. Samples with a BAL GM index ≥1 were considered as positive for GM. Patients were classified as having probable or possible IA. Out of 36 suspected patients to IA, 36.1% of cases showed IA which were categorized as: 4 cases of possible IA and 9 of probable IA. 76.2% of BAL samples were positive for GM. From 13 patients with IA, 11 (84.6%) had at least one positive BAL GM index. Of these patients, 9 (81.8%) showed probable IA. The main underlying predisposing conditions were neutropenia (53.8%) and COPD (30.8%). Our study has indicated that COPD must be considered as one of the main predisposing condition for occurrence of aspergillosis in ICU patients. Our data have also revealed that GM detection in BAL samples play a significant role to IA diagnosis.

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“…In the recent years, many residents have reported the distribution of keratinophilic fungi and related dermatophytes in soils. (Hedayati et al, 2004). So far not many works have been carried out from water samples.…”

Section: Introductionmentioning

confidence: 99%

Studies on the mycoflora associated with sewage water in Bagru and Jharna area (Rajasthan)

Sharma¹,

Swati²,

Gajan³

et al. 2012

Afr. J. Microbiol. Res.

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The wastewater in Bagru and Jharna area (Rajasthan) is rich in pathogenic and non-pathogenic keratinophilic fungi including dermatophytes. Most of the fungal isolates from the waste water have already been reported as dermatophytes causing infections of skin, scalps or hair. This study deals with the isolation and characterization of keratinophilic fungi from different water samples of Bagru and Jharna area (Rajasthan). Eighteen different fungi were isolated out of twenty water samples using a spread plate method. These fungal isolates were Epidermatophyton floccosum, Microsporum ferrugineum, Microsporum gypseum, Microsporum cookei, Microsporum canis, Trichophyton rubrum, Trichophyton mentagrophytes, Trichophyton concentricum, Trichophyton verrucosum, Trichophyton violaceum, other fungi were Aspergillus niger, Aspergillus fumigatus, Aspergillus flavus, Aspergillus terreus, Rhizopus oryzae, Penicillium sp., Fusarium oxysporum and Chrysosporium tropicum. Our result concluded that these isolated fungi are pathogenic for animals and human beings. Keratinophilic fungi play an important role in degradation of keratin and they are known to cause superficial cutaneous infections.

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A survey on the pathogenic fungi in soil samples of potted plants from Sari hospitals, Iran

Cited by 43 publications

References 12 publications

Investigating the Presence of Aspergillus fumigatus and A. flavus Using Galactomannan Enzyme Assay and TaqMan Real-Time PCR Technique

Investigating the Presence of Aspergillus fumigatus and A. flavus Using Galactomannan Enzyme Assay and TaqMan Real-Time PCR Technique

Invasive Aspergillosis in Intensive Care Unit Patients in Iran

Studies on the mycoflora associated with sewage water in Bagru and Jharna area (Rajasthan)

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