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Longitudinal rCBF Changes Measured with SPECT in Patients with Depression Undergoing Treatment

机译:用抑郁症患者进行治疗的患者测量的纵向RCBF变化

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Regional cerebral blood flow (rCBF) studies of major depression have yielded variable results. The present study employed a longitudinal observation method to measure rCBF every 3 months during treatment. Thirteen patients with major depressive disorder underwent single-photon emission computed tomography (SPECT) with 99mTc-HMPAO three times over a 6-month period. rCBF was analyzed with the Statistical Parametric Mapping. The findings were compared to scans from 14 normal control subjects. Depression symptoms were rated using the Hamilton Rating Scale for Depression. At baseline, the main regions with lower rCBF compared to controls were the middle and inferior frontal gyri, superior temporal gyrus, and cingulate cortex. Three months later, despite significant improvement of depressive symptoms, decreased rCBF was observed in the same regions, but to lesser extent. At 6 months, depressive symptoms showed continued improvement, and rCBF in the superior temporal gyrus increased up to control levels, but rCBF in the temporal pole, cingulate, and inferior frontal gyrus remained low. The results of the present study suggest that there might be time- and state-dependent differences in rCBF recovery in patients with major depression.
机译:主要抑郁症的区域脑血流(RCBF)研究产生了可变结果。本研究采用纵向观察方法来治疗期间每3个月测量RCBF。 13例主要抑郁症患者接受单光子发射计算机断层扫描(SPECT),在6个月的时间内三次。用统计参数映射分析RCBF。将研究结果与14个正常对照受试者进行比较。使用汉密尔顿评级规模进行抑郁症的抑郁症状。在基线时,与对照相比,具有较低RCBF的主要区域是中间额陀螺,优越的颞型转毒和挤出皮质。三个月后,尽管对抑郁症状的显着改善,但在同一地区观察到降低的RCBF,但程度较小。在6个月后,抑郁症状表现出持续改善,rcbf在较高的颞升水中增加到控制水平,但颞杆,挤压和较差的额相rcbf仍然低。本研究的结果表明,在重大抑郁症患者中可能存在时间和状态依赖性差异。

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