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Microwave Blood Sensing for Monitoring Treatment Efficiency in Hypertensive Patients with Chronic Neurological Disorders

机译:微波血液感应监测慢性神经系统疾病高血压患者的治疗效率

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The present work is a continuation of our multidisciplinary study on optimizing therapy in patients with chronic neurological conditions. Here we aim to monitor the efficiency of antihypertensive treatment via microwave blood sensing technique. The concept of microwave sensing is based on in vitro detecting drug-induced dielectric response (Δε*) of erythrocytes. This response is closely tied to a membrane adrenergic activity exhibiting individual peculiarities of the stress system, which varies significantly depending on a patient's health status and stage of the disease. That is why its evaluation during the course of treatment is of great importance for appropriate medication therapy (in particular, with prescribing antihypertensive drugs) as well as for the monitoring treatment efficiency. The study of these drug-induced effects in blood samples has been carried out using a complex of physical and biochemical methods. Microwave dielectric observations were performed as the repeated permittivity measurements of blood samples with a single-frequency waveguide-based reflectometry (39.5 GHz). To validate the results of the dielectric study we opted for a biochemical technique which allows evaluating the adrenergic effect of a pharmaceutical agent to erythrocytes. Both techniques have revealed well-correlated data which indicate the successful applicability of such an approach when considering the adrenergic status of a patient in antihypertensive treatment. Previously reported data supplemented by new findings are presented. The results would be helpful for the specialists dealing with microwave measurements of blood and the developers of clinically-oriented microwave systems.
机译:目前的工作是我们针对慢性神经系统疾病患者优化治疗的多学科研究的延续。在这里,我们旨在通过微波血液感测技术监测降压治疗的效率。微波感应的概念基于体外检测药物诱导的介电响应(Δε * )的红细胞。该反应与表现出应激系统个别特征的膜肾上腺素能活动密切相关,视患者的健康状况和疾病阶段而异。这就是为什么在治疗过程中对其进行评估对于适当的药物治疗(尤其是开具抗高血压药的方法)以及监测治疗效率非常重要的原因。已经使用复杂的物理和生化方法对这些药物在血液样本中的作用进行了研究。使用基于单频波导的反射仪(39.5 GHz)对血液样品进行重复介电常数测量,进行微波介电观察。为了验证介电研究的结果,我们选择了一种生物化学技术,该技术可以评估药剂对红细胞的肾上腺素作用。两种技术都揭示了相关性良好的数据,表明在考虑患者在降压治疗中的肾上腺素能状态时,这种方法的成功适用性。提出了以前报告的数据,并补充了新的发现。该结果将对从事血液微波测量的专家和临床微波系统开发人员有所帮助。

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