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find Keyword "脉搏波速度" 3 results
  • 老年人踝臂指数和脉搏波速度与心血管危险因素的关系研究

    【摘要】国内老年人心血管疾病发病率越来越高。查阅近年来国内外心血管疾病危险因素研究资料及文献,踝臂指数(anklebrachial index,ABI)和脉搏波速度(pulse wave velocity,PWV)在评估、预测心血管病变风险等方面已成为判别老年人心血管危险因素的重要指标,并日益受到重视。通过对老年人ABI和PWV特点及与心血管危险因素关系的论述、分析,探讨其在临床的应用价值。

    Release date:2016-09-08 09:31 Export PDF Favorites Scan
  • Changes of Plasma Homocysteine and Peripheric Arterial Stiffness in Patients with Subclinical Hypothyroidism

    ObjectiveTo observe the changes of plasma homocysteine (Hcy) and brachial ankle pulse wave velocity (baPWV) in patients with subclinical hypothyroidism, and discuss the relationship between subclinical hypothyroidism and arterial stiffness. MethodSeventy-three patients with subclinical hypothyroidism who were not treated before were divided into two groups according to thyroid stimulating hormone (TSH) level between January 2013 and June 2014. There were 35 patients in group A (4 mU/L < TSH < 10 mU/L) and 38 in group B (TSH ≥ 10 mU/L). Another 30 healthy individuals were selected as controls. Hcy and baPWV were determined in all subjects. ResultsCompared with the controls, patients had significantly higher level of TSH, Hcy and baPWV in group A, and had significantly higher TSH, triacylglycerol (TG), low density lipoprotein cholesterol (LDL)-C, Hcy, and baPWV in group B (P<0.05). Compared with group A, TSH, TG, LDL-C, Hcy, and baPWV in group B patiens were significantly higher (P<0.05). Pearson correlation analysis showed that Hcy was positively correlated with TSH (r=0.353, P<0.01) and baPWV was positively correlated with TSH (r=0.416, P<0.01). ConclusionsHcy level and peripheric arterial stiffness increase in patients with subclinical hypothyroidism. Both of them are correlated positively with TSH.

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  • Study on Relationship between Assessment of Vascular Function Using Digital Fingertip Thermal Monitoring and Pulse Wave Velocity

    Early detection of vascular function plays an important role in the prevention and treatment of cardiovascular diseases (CVDs). This paper reports the main studies of the effectiveness of fingertip temperature curve in digital thermal monitoring (DTM) for predicting CVDs, as well as the relationship between parameters from DTM and pulse wave velocity (PWV) detection. A total of 112 subjects [age (42.18±12.28) years, 50% male, 37 with known CVDs] underwent DTM and PWV detection. Results showed that most of parameters related to CVDs were from the declining stage of the digital thermal signal. Binary Logistic regression models were built, and the best one was chosen by ten-fold validation to predict CVDs. Consistency was great between the detection result of PWV and that of the Logistic model of DTM parameters. Parameters from DTM also contained information for early detecting of vascular stiffness. This study indicates that the fingertip temperature curve in DTM has a potential application for predication of CVDs, and it would be used to access vascular function in the initial stage of CVDs.

    Release date:2016-12-19 11:20 Export PDF Favorites Scan
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