ASL对抑郁症治疗前后局部脑血流灌注的初步研究

China Health Care & Nutrition(2016)

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Abstract
目的:探讨ASL技术观察局部脑血流灌注在抑郁症诊断及疗效评估的价值.方法:65例原发性抑郁症患者给予选择性5-羟色胺再摄取抑制剂(SSRI)帕罗西汀治疗前后和31例健康志愿者进行动脉自旋标记成像,测量双侧海马、杏仁体、基底节区、丘脑的rCBF值.结果:治疗前后组和正常对照组双侧海马、双侧基底节区的rCBF值差异有统计学意义(P值<0.05),其中双侧海马rCBF值治疗后组高于治疗前组,左侧基底节rCBF值治疗后组高于对照组,差异有统计学意义(P值均小于0.05).治疗后双侧海马、双侧杏仁体rCBF值升高.结论:1.抑郁症患者海马、杏仁体、基底节rCBF有改变;2治疗后症状好转的抑郁症患者海马、杏仁体相应脑血流灌注明显改善,因此可借助ASL观察抑郁症患者脑血流改变及评估抗抑郁治疗的疗效.
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