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Background <p>Candidemia is a severe systemic infection with a high mortality risk. While β-D-glucan (BDG) serves as a diagnostic biomarker, its prognostic value in candidemia, particularly in association with Candida bundle compliance, remains unclear.</p> Methods <p>In this retrospective multicenter cohort study, we evaluated 96 patients with candidemia across nine Japanese hospitals between 2016 and 2023. Candida bundle compliance was assessed using five key components: central venous catheter removal within 24&#xa0;h of diagnosis, appropriate initial antifungal therapy, ophthalmologic examination, follow-up blood cultures until clearance, and antifungal therapy for at least two weeks post-clearance. Analyses stratified patients by serum BDG status (positive/negative) and compliance with the Candida bundle (high: 4–5 points; low: 0–3 points). The primary outcome was 30-day mortality, and the secondary outcome was defined as endophthalmitis incidence.</p> Results <p>Of 96 eligible patients with candidemia, 70 (72.9%) were BDG-positive and 26 (27.1%) were BDG-negative. The overall 30-day mortality was 17.7%. Among BDG-positive patients, 15 (21.4%) died, while 2 (7.7%) died in BDG-negative cohorts (<i>p</i> = 0.09). Serum BDG positivity demonstrated a statistically significant association with decreased survival rates in the low bundle adherence group (<i>p</i> = 0.02), whereas this correlation was not observed among patients in the high-compliance cohort (<i>p</i> = 0.66). Endophthalmitis occurred in 25.0% of patients, without significant correlation to serum BDG status. <i>C. albicans</i> was associated with a significantly higher incidence of endophthalmitis compared with non-albicans species (45.7% vs. 8.9%).</p> Conclusions <p>Serum BDG positivity potentially correlates with worse survival in candidemia, particularly in patients with low bundle compliance. This emphasizes the importance of adherence to standardized Candida management protocols for optimizing patient outcomes.</p>

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Prognostic Value of Serum (1→3)-β-D-Glucan Levels in Patients with Candidemia Stratified by Compliance with Candida Bundle: A Multicenter Retrospective Cohort Study (2016–2023)

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  • 发表日期：

    2025年9月22日

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  • Hidemasa Akazawa,
  • Shinnosuke Fukushima,
  • Toshie Higuchi,
  • Tomoko Miyoshi,
  • Yasuhiro Nakano,
  • Koji Iio,
  • Yukinobu Akamatsu,
  • Yuto Haruki,
  • Yoshitaka Iwamoto,
  • Shuichi Tanaka,
  • Shun Fujisato,
  • Soichiro Ako,
  • Hideharu Hagiya

摘要

Background

Candidemia is a severe systemic infection with a high mortality risk. While β-D-glucan (BDG) serves as a diagnostic biomarker, its prognostic value in candidemia, particularly in association with Candida bundle compliance, remains unclear.

Methods

In this retrospective multicenter cohort study, we evaluated 96 patients with candidemia across nine Japanese hospitals between 2016 and 2023. Candida bundle compliance was assessed using five key components: central venous catheter removal within 24 h of diagnosis, appropriate initial antifungal therapy, ophthalmologic examination, follow-up blood cultures until clearance, and antifungal therapy for at least two weeks post-clearance. Analyses stratified patients by serum BDG status (positive/negative) and compliance with the Candida bundle (high: 4–5 points; low: 0–3 points). The primary outcome was 30-day mortality, and the secondary outcome was defined as endophthalmitis incidence.

Results

Of 96 eligible patients with candidemia, 70 (72.9%) were BDG-positive and 26 (27.1%) were BDG-negative. The overall 30-day mortality was 17.7%. Among BDG-positive patients, 15 (21.4%) died, while 2 (7.7%) died in BDG-negative cohorts (p = 0.09). Serum BDG positivity demonstrated a statistically significant association with decreased survival rates in the low bundle adherence group (p = 0.02), whereas this correlation was not observed among patients in the high-compliance cohort (p = 0.66). Endophthalmitis occurred in 25.0% of patients, without significant correlation to serum BDG status. C. albicans was associated with a significantly higher incidence of endophthalmitis compared with non-albicans species (45.7% vs. 8.9%).

Conclusions

Serum BDG positivity potentially correlates with worse survival in candidemia, particularly in patients with low bundle compliance. This emphasizes the importance of adherence to standardized Candida management protocols for optimizing patient outcomes.