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KMID : 1100720230430040381
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Annals of Laboratory Medicine
2023 Volume.43 No. 4 p.381 ~ p.385
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Clinical Sensitivity of the (1?3)-β-D-glucan Test for Predicting Candidemia
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Lee Yun-Woo
Lim So-Yun
Jin Sol
Park Hye-Jin
Sung Heung-Sup
Kim Mi-Na
Bae Seong-Man
Jung Ji-Won
Kim Min-Jae
Kim Sung-Han
Lee Sang-Oh
Choi Sang-Ho
Kim Yang-Soo
Chong Yong-Pil
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Abstract
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The sensitivity of the (1?3)-β-D-glucan (BDG) diagnostic test for candidemia varies in different clinical settings, and its usefulness in early diagnosis of candidemia is suboptimal. We evaluated the sensitivity of the test for early candidemia prediction. All adult patients with culture-proven candidemia who underwent a serum Goldstream Fungus (1?3)-β-D-Glucan Test within seven days prior to candidemia onset at a tertiary referral hospital between January 2017 and May 2021 were included. Any-positive BDG results within seven days prior to candidemia onset were obtained in 38 out of 93 (40.9%) patients. The positive rate increased when the test was performed near the day of candidemia onset (P=0.04) but reached only 52% on the day of candidemia onset. We observed no significant differences between BDG-positive and -negative groups in terms of underlying disease, risk factors for candidemia, clinical presentation, origin of candidemia, and 30-day mortality. Candida albicans was significantly associated with positive BDG results than with all-negative BDG results (P=0.04). The Goldstream BDG test is unreliable for candidemia prediction because of its low sensitivity. Negative BDG results in patients with a high risk of invasive candidiasis should be interpreted with caution.
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KEYWORD
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Candidemia, (1?3)-β-D-glucan, Sensitivity, Candida albicans, Early diagnosis, Systemic candidiasis
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