Table 4 Fecal organic acid concentrations and pH
From: A pilot study of Bifidobacterium breve in neonates undergoing surgery for congenital heart disease
Surgery | ||||||||
|---|---|---|---|---|---|---|---|---|
Before BBG | Before | Immediately after | 1 week after | |||||
Group A | Group B | Group A | Group B | Group A | Group B | Group A | Group B | |
n = 7 | n = 10 | n = 11 | n = 10 | n = 11 | n = 10 | n = 11 | ||
Total organic acids | 21.7 [14.1–34.8] (100) | NT | 52.6 [29.7–64.9] (100) | 31.9 [26.2–62.9] (100) | 61.3 [51.5–99.8]**, *** (100) | 40.7 [17.1–48.5] (100) | 95.2 [61.0–105.4]*, *** (100) | 48.0 [39.9–88.6] (100) |
Succinic acid | 6.3 [4.9–8.2] (57) | NT | 10.6 [8.6–14.2] (70) | 16.2 [7.8–30.9] (73) | 3.5 [1.3–15.0] (70) | 11.2 [7.2–21.7] (45) | 9.4 [1.9–15.2] (90) | 3.3 [2.5–21.5] (64) |
Lactic acid | 10.0 [6.2–18.0] (57) | NT | 7.8 [3.0–15.5] (70) | 4.9 [4.2–7.1] (64) | 8.9 [7.2–10.8] (90) | 7.3 [5.5–8.3] (45) | 18.8 [5.1–27.7] (100) | 14.6 [3.8–24.2] (73) |
Formic acid | 3.6 [2.4–4.7] (29) | NT | 2.6 [1.5–4.7] (60) | 3.3 [2.5–6.4] (36) | 5.4 [3.9–5.9] (60) | 2.5 [1.5–3.4] (91) | 2.2 [1.1–3.4] (50) | 2.5 [1.9–3.8] (64) |
Acetic acid | 12.2 [7.3–21.7] (100) | NT | 31.3 [22.6–46.4]*** (100) | 20.1 [16.6–29.4] (100) | 46.9 [41.0–69.0]**, ***, **** (100) | 20.4 [10.3–31.0] (100) | 53.8 [39.7–73.4]*, *** (100) | 36.7 [11.8–47.5] (100) |
Propionic acid | 0.9 (14) | NT | 2.4 [2.0–5.0] (30) | 4.4 [3.6–5.6] (36) | 4.5 [2.7–6.2] (20) | 3.1 [1.9–4.2] (18) | 7.9 [4.5–7.9] (30) | 13.3 [4.2–23.5] (36) |
Butyric acid | <0.55 (0) | NT | <0.55 (0) | 0.8 (9) | <0.55 (0) | 3.6 [2.2–4.9] (18) | <0.55 (0) | 2.9 [1.7–4.2] (18) |
Isovaleric acid | <0.8 (0) | NT | <0.8 (0) | 7.0 (9) | <0.8 (0) | <0.8 (0) | <0.8 (0) | 2.7 (9) |
Valeric acid | <0.65 (0) | NT | <0.65 (0) | <0.65 (0) | <0.65 (0) | <0.65 (0) | <0.65 (0) | <0.55 (0) |
pH | 6.7 [6.4–7.4] (100) | 5.5 [5.3–6.0] (100) | 6.3 [6.0–6.9] (100) | 5.4 [5.3–6.4] (100) | 6.4 [6.1–6.7] (100) | 5.6 [5.5–5.6]*** (100) | 6.0 [5.6–6.3] (100) | |