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Comparisons of microvascular and macrovascular changes in aldosteronism-related hypertension and essential hypertension

机译:醛固酮增多症相关高血压和原发性高血压微血管和大血管变化的比较

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摘要

Case-control observational study to evaluate the microvascular and macrovascular changes in patients with hypertension secondary to primary aldosteronism (PA), essential hypertension (EH) and healthy subjects. Measurements of arterial stiffness including augmentation index (AIx) and pulse wave velocity (PWV) were assessed using a TensioClinic arteriograph system. Retinal microcirculation was imaged by a Retinal Vessel Analyzer (RVA) and a non-midriatic camera (Topcon-TRC-NV2000). IMEDOS software analyzed the retinal artery diameter (RAD), retinal vein diameters (RVD) and arteriole-to-venule ratio (AVR) of the vessels coming off the optic disc. Thirty, 39 and 35 patients were included in the PA, EH and control group, respectively. The PA group showed higher PWV values compared only with the control group. The mean brachial and aortic AIx values did not show significant difference between groups. In the PA group, the mean RVD and AVR values were significantly lower than in the EH and control groups, whereas the parameters did not differ between the EH and control groups. In conclusion, AVR appears significantly modified in the PA group compared with the EH group and could represent an early and more reliable indicator of microvascular remodeling.
机译:病例对照观察性研究旨在评估继发于原发性醛固酮增多症(PA),原发性高血压(EH)和健康受试者的高血压患者的微血管和大血管变化。使用TensioClinic动脉造影仪系统评估包括增加指数(AIx)和脉搏波速度(PWV)在内的动脉僵硬度的测量。视网膜微循环通过视网膜血管分析仪(RVA)和非红细胞照相机(Topcon-TRC-NV2000)进行成像。 IMEDOS软件分析了离开视盘的血管的视网膜动脉直径(RAD),视网膜静脉直径(RVD)和小动脉与小静脉比率(AVR)。 PA,EH和对照组分别包括30例,39例和35例。与对照组相比,PA组的PWV值更高。两组之间的平均肱和主动脉AIx值无明显差异。在PA组,平均RVD和AVR值明显低于EH和对照组,而EH和对照组之间的参数没有差异。总之,与EH组相比,PA组中的AVR似乎发生了显着改变,并且可能代表了微血管重构的早期且更可靠的指标。

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