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- Title
Role of fecal calprotectin as a hypoxic intestinal damage biomarker in COVID-19 patients.
- Authors
Adriana, Deasy Natalia; Sugihartono, Titong; Nusi, Iswan Abbas; Setiawan, Poernomo Boedi; Purbayu, Herry; Maimunah, Ummi; Kholili, Ulfa; Widodo, Budi; Thamrin, Husin; Vidyani, Amie; Maulahela, Hasan; Yamaoka, Yoshio; Miftahussurur, Muhammad
- Abstract
Background: Gastrointestinal manifestations of coronavirus disease 2019 (COVID-19) appear to be substantial. Fecal calprotectin is a promising biomarker in COVID-19 associated gastrointestinal inflammation; however, its role in the severity of COVID-19 remains limited. We conducted a study to analyze the relationship between the severity of COVID-19 and hypoxic intestinal damage. Methods: We assessed the severity of 44 hospitalized COVID-19 pneumonia patients based on the PaO2/FiO2 (P/F) ratio. Inflammatory markers were measured from blood samples, and fecal calprotectin was obtained from stool samples. Results: Median levels of fecal calprotectin in COVID-19 patients involved in this study (n = 44) were found to be markedly elevated along with the severity of hypoxemia, as seen in the non-acute respiratory distress syndrome (ARDS) group 21.4 µg/g (5.2–120.9), mild ARDS 54.30 µg/g (5.2–1393.7), moderate ARDS 169.6 µg/g (43.4–640.5), and severe ARDS 451.6 µg/g (364.5–538.6). We also found significant differences in fecal calprotectin levels based on the severity of ARDS (P < 0.001), and although the patients were divided into ARDS and non-ARDS groups (P < 0.001). Furthermore, we found a strong negative correlation between the P/F ratio and fecal calprotectin levels (r = − 0.697, P < 0.001). Conclusion: Our findings support the potential role of fecal calprotectin as a biomarker of intestinal inflammation in COVID-19 as a consequence of hypoxic intestinal damage and as suggested by the reduced P/F ratio.
- Subjects
COVID-19; CALPROTECTIN; RESPIRATORY distress syndrome; FECES; INTESTINES; DEFECATION; BIOMARKERS
- Publication
Gut Pathogens, 2022, Vol 14, Issue 1, p1
- ISSN
1757-4749
- Publication type
Article
- DOI
10.1186/s13099-022-00507-y