Table 3.
1H-Magnetic resonance spectroscopy relative and absolute metabolites
Alcohol exposed infants | Alcohol exposed female infants | Alcohol exposed male infants | Control infants | Control female infants | Control male infants | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Parietal white matter | ||||||||||||
(n = 17) | (n = 9) | (n = 8) | (n = 20) | (n = 8) | (n = 12) | |||||||
Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | |
Relative concentration (relative to creatine with phosphocreatine) | ||||||||||||
glutamate + glutamine (Glx) | 1.90 | 0.57 | 2.02 | 0.62 | 1.78 | 0.52 | 2.00 | 0.63 | 2.09 | 0.79 | 1.87 | 0.21 |
glutamate (Glu)# | 1.36 | 0.34 | 1.49 | 0.39## | 1.23 | 0.23 | 1.42 | 0.32 | 1.49 | 0.36 | 1.32 | 0.21 |
n-acetyl-aspartate + n-acetyl-aspartyl-glutamate (NAA+NAAG) | 1.00 | 0.17 | 1.00 | 0.21 | 1.01 | 0.13 | 1.01 | 0.14 | 1.00 | 0.14 | 1.04 | 0.15 |
n-acetyl-aspartate (NAA) | 0.80 | 0.25 | 0.81 | 0.28 | 0.80 | 0.24 | 0.79 | 0.16 | 0.79 | 0.16 | 0.80 | 0.16 |
choline containing metabolites (GPC+PCh) | 0.48 | 0.07 | 0.49 | 0.09 | 0.47 | 0.05 | 0.45 | 0.06 | 0.45 | 0.06 | 0.46 | 0.06 |
myo-inositol | 1.78 | 0.41 | 1.65 | 0.45 | 1.91 | 0.34 | 1.90 | 0.31 | 1.93 | 0.33 | 1.87 | 0.29 |
Absolute concentration (water reference) | ||||||||||||
glutamate + glutamine (Glx)*@ | 5.03 | 0.93 | 5.38 | 0.89## | 4.64 | 0.85 | 5.68 | 0.85 | 5.77 | 0.97 | 5.53 | 0.66 |
glutamate (Glu)# | 3.79 | 0.61 | 4.10 | 0.67## | 3.45 | 0.30 | 4.10 | 0.81 | 4.16 | 0.92 | 4.00 | 0.66 |
n-acetyl-aspartate + n-acetyl-aspartyl-glutamate (NAA+NAAG) | 2.76 | 1.10 | 2.61 | 1.23 | 2.93 | 1.00 | 3.09 | 0.76 | 2.99 | 0.75 | 3.24 | 0.81 |
n-acetyl-aspartate (NAA) | 2.15 | 1.06 | 2.09 | 1.13 | 2.21 | 1.04 | 2.37 | 0.70 | 2.43 | 0.67 | 2.28 | 0.78 |
choline containing metabolites (GPC+PCh) | 1.28 | 0.37 | 1.23 | 0.40 | 1.33 | 0.36 | 1.39 | 0.27 | 1.35 | 0.27 | 1.45 | 0.28 |
myo-inositol | 5.00 | 1.71 | 4.68 | 1.91 | 5.37 | 1.50 | 5.80 | 1.31 | 5.65 | 1.45 | 6.03 | 1.08 |
creatine containing metabolites (PCr+Cr) | 2.81 | 0.93 | 2.72 | 1.06 | 2.91 | 0.82 | 3.10 | 0.54 | 2.99 | 0.55 | 3.27 | 0.50 |
Parietal gray matter | ||||||||||||
(n = 31) | (n = 15) | (n = 16) | (n = 26) | (n = 8) | (n = 18) | |||||||
Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | Mean | Std.Dev. | |
Relative concentration (relative to creatine with phosphocreatine) | ||||||||||||
glutamate + glutamine (Glx)% | 1.89 | 0.39 | 1.99 | 0.37 | 1.81 | 0.40 | 1.84 | 0.43 | 2.17 | 0.48 | 1.70 | 0.32 |
glutamate (Glu)% | 1.51 | 0.25 | 1.58 | 0.27 | 1.45 | 0.21 | 1.53 | 0.27 | 1.74 | 0.19 | 1.43 | 0.25 |
n-acetyl-aspartate + n-acetyl-aspartyl-glutamate (NAA+NAAG) | 1.01 | 0.13 | 1.05 | 0.12 | 0.98 | 0.13 | 0.99 | 0.12 | 1.01 | 0.08 | 0.97 | 0.13 |
n-acetyl-aspartate (NAA) | 0.70 | 0.18 | 0.75 | 0.17 | 0.66 | 0.18 | 0.72 | 0.17 | 0.69 | 0.16 | 0.73 | 0.17 |
choline containing metabolites (GPC+PCh) | 0.43 | 0.06 | 0.44 | 0.07 | 0.43 | 0.05 | 0.43 | 0.04 | 0.45 | 0.05 | 0.42 | 0.03 |
myo-inositol | 2.12 | 0.32 | 2.10 | 0.36 | 2.14 | 0.30 | 2.15 | 0.40 | 2.43 | 0.36 | 2.03 | 0.36 |
Absolute concentration (water reference) | ||||||||||||
glutamate + glutamine (Glx) | 6.49 | 1.16 | 6.55 | 1.20 | 6.45 | 1.17 | 6.23 | 1.02 | 6.16 | 0.99 | 6.26 | 1.05 |
glutamate (Glu) | 5.12 | 0.69 | 5.12 | 0.67 | 5.12 | 0.73 | 5.14 | 0.71 | 5.04 | 0.88 | 5.19 | 0.65 |
n-acetyl-aspartate + n-acetyl-aspartyl-glutamate (NAA+NAAG) | 3.45 | 0.36 | 3.43 | 0.23 | 3.47 | 0.45 | 3.40 | 0.67 | 2.99 | 0.75 | 3.58 | 0.57 |
n-acetyl-aspartate (NAA) | 2.42 | 0.66 | 2.41 | 0.74 | 2.44 | 0.60 | 2.37 | 0.87 | 1.97 | 0.69 | 2.55 | 0.91 |
choline containing metabolites (GPC+PCh) | 1.51 | 0.23 | 1.49 | 0.22 | 1.52 | 0.25 | 1.47 | 0.26 | 1.34 | 0.35 | 1.53 | 0.19 |
myo-inositol | 7.28 | 0.85 | 7.11 | 0.90 | 7.44 | 0.79 | 7.24 | 0.94 | 7.09 | 1.16 | 7.30 | 0.86 |
creatine containing metabolites (PCr+Cr) | 3.49 | 0.49 | 3.45 | 0.57 | 3.52 | 0.42 | 3.45 | 0.63 | 3.01 | 0.79 | 3.64 | 0.44 |
group difference (alcohol exposed infants vs. control infants)
sex difference (males vs. females)
group with sex difference
alcohol exposed infants significantly lower concentrations than control infants
alcohol exposed male infants significantly lower concentrations than male control infants
p > 0.05