Non-Invasive Methods to Diagnose Fungal Infections in Pediatric Patients with Hematologic Disorders

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BADIEE PARISA; HASHEMIZADEH ZAHRA; HASHEMIZADEH ZAHRA; RAMZI MANI; KARIMI MOHAMMAD; MOHAMMADI RASOUL

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Journal: Jundishapur Journal of Microbiology Year:2016 | Volume:9 | Issue:11 Page(s): 0-0

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Title

Non-Invasive Methods to Diagnose Fungal Infections in Pediatric Patients with Hematologic Disorders

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Keywords

-D-Glucan

Galactomannan

Invasive Fungal Infections

Nested-PCR

Pediatric Patients with Hematologic Disorders

Abstract

Background: Invasive fungal infection (IFIs) is a major infectious complication in immunocompromised patients. Early diagnosis and initiation of antifungal therapy is important to achieve the best outcome. Objectives: The current study aimed to investigate the incidence of IFIs and evaluate the diagnostic performance of non-invasive laboratory tests: serologic (-D-Glucan, Galactomannan) and molecular (nested polymerase chain reaction) tests to diagnose fungal infections in hematologic pediatric patients. Patients and Methods: In a cross-sectional study from October 2014 to January 2015, 321 blood samples of 62 Pediatric Patients with Hematologic Disorders and at high risk for fungal infections were analyzed. Non-invasive tests including the Platelia Aspergillus enzyme immunoassay (EIA) to detect Galactomannan antigen, Glucatell for – D– glucan and nested PCR to detect Candida and Aspergillus species-specific DNA were used in a weekly screening strategy. Results: Twenty six patients (42%) were considered as proven and probable IFIs, including 3 (5%) proven and 23 (37%) probable cases. Eighteen patients (29%) were considered as possible cases. The sensitivity, specificity, positive and negative predictive values for Galactomannan test in 26 patients with proven and probable fungal infections were 94. 4%, 100%, 100% and 94. 7%; for -D-Glucan test 92. 3%, 77. 7%, 85%, 87. 5% and for Nested-PCR were 84. 6%, 88. 8%, 91. 7% and 80%, respectively. Conclusions: The rate of IFIs in Pediatric Patients with Hematologic Disorders is high, and sample collection from the sterile sites cannot be performed in immunocompromised patients. Detection of circulating fungal cell wall components andDNAin the blood using non-invasive methods can offer diagnostic help in patients with suspected IFIs. Their results should be interpreted in combination with clinical, radiological and microbiological findings.

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APA: Copy

BADIEE, PARISA, HASHEMIZADEH, ZAHRA, HASHEMIZADEH, ZAHRA, RAMZI, MANI, KARIMI, MOHAMMAD, & MOHAMMADI, RASOUL. (2016). Non-Invasive Methods to Diagnose Fungal Infections in Pediatric Patients with Hematologic Disorders. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 9(11), 0-0. SID. https://sid.ir/paper/317754/en

Vancouver: Copy

BADIEE PARISA, HASHEMIZADEH ZAHRA, HASHEMIZADEH ZAHRA, RAMZI MANI, KARIMI MOHAMMAD, MOHAMMADI RASOUL. Non-Invasive Methods to Diagnose Fungal Infections in Pediatric Patients with Hematologic Disorders. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2016;9(11):0-0. Available from: https://sid.ir/paper/317754/en

IEEE: Copy

PARISA BADIEE, ZAHRA HASHEMIZADEH, ZAHRA HASHEMIZADEH, MANI RAMZI, MOHAMMAD KARIMI, and RASOUL MOHAMMADI, “Non-Invasive Methods to Diagnose Fungal Infections in Pediatric Patients with Hematologic Disorders,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 9, no. 11, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/317754/en

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