Early detection of secondary damage in ipsilateral thalamus after acute infarction at unilateral corona radiata by diffusion tensor imaging and magnetic resonance spectroscopy

Table 2 MRI parameter values in thalamus in patients and controls (mean ± SD)

MRI Parameter	Ipsilateral Thalamus			Contralateral Thalamus			Right Thalamus in controls
	W1	W4	W12	W1	W4	W12
MD(×10^-3mm²/s)	0.877 ± 0.059^a	0.863 ± 0.051^c	0.954 ± 0.074^abcd	0.866 ± 0.046^a	0.872 ± 0.044^a	0.869 ± 0.043^a	0.837 ± 0.047
FA	0.332 ± 0.077	0.321 ± 0.063	0.315 ± 0.075	0.344 ± 0.046	0.352 ± 0.048	0.349 ± 0.058	0.349 ± 0.053
NAA	12911 ± 1592^a	11139 ± 1943^abc	9365 ± 1703^abcd	13471 ± 1632	13220 ± 1830	13788 ± 1298	13946 ± 1693
Cho	8907 ± 1294	8893 ± 1963	8848 ± 1689	9762 ± 2397	9008 ± 1700	9343 ± 963	9502 ± 2331
Cr	7808 ± 1310	7585 ± 1539	7213 ± 1288	7995 ± 1317	7955 ± 1064	7751 ± 716	7933 ± 1494

ROI: region of interest; MD: mean diffusivity; FA: fractional anisotropy; NAA: N-acetylaspartate; Cho: choline; Cr: creatine; W1: the first week; W4: the fourth week; W12: the twelfth week.
^a P< 0.05, Student's t test, compared to the control group; ^b P< 0.05, Student's t test, compared to contralateral thalamus in patient group at the same time point; ^c P< 0.05, Tukey test, compared to W1 in ipsilateral thalamus; ^d P< 0.05, Tukey test, compared to W4 in ipsilateral thalamus.

ISSN: 1471-2377