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Effect of fluoxetine on hydrogen proton magnetic resonance spectroscopy of hippocampus in patients with post-stroke depression
Pages: 11-14
Year: Issue:  12
Journal: Chinese Journal of Practical Nervous Diseases

Abstract: Objective To explore the features of fluoxetine''s effect on hydrogen proton magnetic resonance spectroscopy(1H-MRS) of hippocampus in patients with post-stroke depression.Methods A total of 60 cases with post-stroke depression were collected as research group and were given fluoxetine for 8 weeks,and 62 cases with stroke were selected as control group.The levels of N-asparaginic acid (NAA),choline compound (Cho) and creatine compound (Cr) were detected by using 1H-MRS and then the ratios of NAA to Cr (NAA/Cr) and of Cho to Cr (Cho/Cr) were calculated.Results In left and right hippocampus before and after treatment,the NAA/Cr ratios in the research group (1.22±0.31 and 1.19±0.42,1.46±0.35 and 1.43±0.41) were higher than those in the control group (1.69±0.33 and 1.66±0.47),and the differences were significant (all P<0.05).Similarly,the Cho/Cr ratios of left and right hippocampus before and after treatment in the research group (1.58±0.39 and 1.59±0.46,1.55±0.43 and 1.53±0.42) showed higher ratio than those in the control group (1.26±0.42 and 1.31±0.47),and the differences were significant (all P<0.05).Additionally,in the research group,the NAA/Cr ratios in bilateral hippocampus after treatment (1.46±0.35 and 1.43±0.41) were higher than those before treatment (1.22±0.31 and 1.19±0.42),and the differences were significant (all P<0.05).Conclusion Fluoxetine may change the abnormal metabolism of bilateral hippocampal neurons in post-stroke depression patients.
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