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老年女性高血压病合并亚甲减患者头颅MR弥散加权成像ADC值特点探析

Chinese Computed Medical Imaging(2016)

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Abstract
目的:探析老年女性高血压病合并亚临床甲状腺功能减退(SCH)患者头颅磁共振弥散加权成像表观弥散系数特点.方法:运用MoCA评估老年女性高血压病合并SCH患者认知功能,并进行MR-DWI检查测量头颅各ROI的ADC值,通过与老年女性高血压病且甲状腺功能正常者进行对比,分析其MR-DWI的ADC值改变特点.结果:老年女性高血压病患者随着年龄增加,合并SCH患者也增加.HDL是老年女性高血压病患者罹患SCH的保护因素(P=0.032,OR=0.338).该类患者早期左侧半卵圆中心、双侧海马、双侧丘脑区域的结构功能发生明显改变.结论:老年女性高血压病患者应常规体检甲状腺功能和血脂、血糖,并进行认知功能的评估,以便尽早进行随访干预,降低认知功能障碍的发生发展风险.
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Key words
Hypertension,Subclinical hypothyroidism,Diffusion magnetic resonance imaging,Apparent diffusion coefficient,Montreal Cognitive Assessment
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