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RISS 인기검색어
- 검색키워드
- 저자 : ( Vildan Ozkocaman ) (검색결과 2 건)
- 무료
- 기관 내 무료
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Serum galactomannan levels in the diagnosis of invasive aspergillosis
( Yildiz Okuturlar ),( Fahir Ozkalemkas ),( Beyza Ener ),( Sibel Ocak Serin ),( Esra Kazak ),( Tulay Ozcelik ),( Vildan Ozkocaman ),( Hasan Atilla Ozkan ),( Halis Akalin ),( Meral Gunaldi ),( Ridvan A 대한내과학회 2015 The Korean Journal of Internal Medicine Vol.30 No.6
Background/Aims: In this study, the sensitivity-specificity of galactomannan-enzyme immunoassay (GM-EIA) with a cut-off value of 0.5 for a single, two, or three consecutive positivity in the diagnosis of invasive pulmonary aspergillosis (IPA) in neutropenic patients with hematological malignancy was investigated. Methods: IPA was classified as “proven,” “probable,” or “possible” as described in the guidelines prepared by the European Organization for Research and Treatment of Cancer and Mycoses Study Group.” Serum samples were collected from the patients twice a week throughout their hospitalization. A total of 1,385 serum samples, with an average of 8.3 samples per episode, were examined. Results: Based on the 165 febrile episodes in 106 patients, 80 (48.5%) were classified as IPA (4 proven, 11 probable, 65 possible) and 85 (51.5%) as non-IPA. The sensitivity/ specificity was 100%/27.1% for a single proven/probable IPA with the cut of value of GM-EIA ≥ 0.5, 86.7%/71.8% for two consecutive positive results, and 73.3%/85.9% for three consecutive positive results. Conclusions: With the galactomannan levels measured twice a week, consecutive sensitivity decreased and specificity increased. Therefore, an increase may be obtained in sensitivity-specificity by more frequent monitoring of GM-EIA starting from the first day of positivity is detected.
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( Yildiz Okuturlar ),( Fahir Ozkalemkas ),( Beyza Ener ),( Sibel Ocak Serin ),( Esra Kazak ),( Tulay Ozcelik ),( Vildan Ozkocaman ),( Atilla Ozkan ),( Halis Akalin ),( Meral Gunaldi ),( Ridvan Ali ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Invasive aspergillosis (IA)) is a serious cause of morbidity and mortality in immunocompromised patients with haematologic malignancy. The serum galactomannan enzyme immunoassay (GM-EIA; Platelia Aspergillus EIA; Bio-Rad) was cleared by the Food and Drug Administration at an optical density index cut-off of 0.5 for a probable diagnosis of invasive aspergillosis. In this prospective study GM-EIA (Platelia Aspergillus EIA, Bio-Rad) with 0.5cut-off value and sequential sensitivity-specificity for single, consecutive two and consecutive three positivity were investigated for the diagnosis of IA in neutropenic hematologic patients. Methods: Serum samples were taken twice a week from patients during their hospitalization. IA was classified according to European Organisation for Research and Treatment of Cancer and Mycoses Study Group Guidelines as “proven”, “probable”, and “possible”. The sensitivity was calculated from the results of patients with proven/propable and the specificity was calculated from the results of patients non-IPA patients. Results: In 165 consecutive febrile episodes in 106 patients, 80 (48.5%) episodes were defined with IA (4 proven, 11 probable, 65 possible) and 85 (51.5%) episodes were defined as non-IA. Per episode average 8.3 serum samples were examined for a total of 1385 serum samples. Cut-off value of single GM-EIA = 0.5 for proven/probable IA with sensitivity/specificity 100%/ 27%, two consecutive positive GM-EIA = 0.5 with sensitivity/specificity 86%/ 71% and three consecutive positive GM-EIA = 0.5 with sensitivity/specificity 73%/85% were obtained. Conclusions: Measuring the level of galactomannan twice a week and consecutive monitoring reduced the sensitivity and increased the specificity. Monitoring of the GM-EIA frequently from the first positivity can increase sensitivity/specificity.
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