Abstract
Objkctive To determine the potential ability of the area of each peak for the proton magnetic resonance spectroscopy(1 H-MRS) in the diagnosis of DNS(Delayed neuropsychological sequelae after carbon monoxide poisoning).Methods MRI and STEAM(stimulated-echo-acquisition mode)were performed in 38 DNS patients and 18 healthy volunteers.The area of the peak of each organic compound were obtained in each volume of interest.Results The data spectra abtained from patients shows NAA(881±76),Cho(2 352 ±86),β、γGlx(3 024 ± 187).Compared with the control group,theβ、γGlx ratio and Cho area increased,but the NAA ratio decreased.The area of NAA,Cho,β、γGlx between DNS and control group were compared,the results showed significant differences (P ＜0.05).In spectroscopy,the Lip evaluated peak in 0.9～1.40 ppm were detected.Conclusion 1H-MRS may do some contribution to the diagnosis of DNS. Key words: Carbon monoxide poisoning; Spectrometry,X-Ray emission; Magnetic resonance imagining
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