The "pulse time index of norm" highly correlates with the left ventricular mass index in patients with arterial hypertension

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Abstract

Background: Arterial stiffness, as measured by the pulse wave velocity (PWV), is recommended for routine use in clinical practice as an important parameter for the evaluation of cardiovascular risk.1 New 24-hour monitors (eg, with Vasotens® technology; Petr Telegin Company, Nizhny Novgorod, Russian Federation) provide single PWV measurements as well as several PWV measurements over a period of 24 hours.2 Such 24-hour pulse wave analysis led to the development of the novel Pulse Time Index of Norm (PTIN), which is defined as the percentage of a 24-hour period during which the PWV does not exceed the 10 m/second PWV threshold. The aim of this study is to test the new PTIN for correlation with the left ventricular mass index (LVMI). Methods: Oscillometrically generated waveform files (n=137) used for clinical research studies were reanalyzed using the new 2013 version of the Vasotens technology program, which enables PTIN calculations. Results: A good correlation (r=-0.72) between the PTIN and the LVMI was shown, which was significantly above the blood pressure load (r=0.41). Conclusion: The PTIN generated by the Vasotens technology can be recommended as an indicator of end organ damage via hypertension. © 2014 Posokhov et al.

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Posokhov, I. N., Kulikova, N. N., Starchenkova, I. V., Grigoricheva, E. A., Evdokimov, V. V., Orlov, A. V., & Rogoza, A. N. (2014). The “pulse time index of norm” highly correlates with the left ventricular mass index in patients with arterial hypertension. Vascular Health and Risk Management, 10, 139–144. https://doi.org/10.2147/VHRM.S58351

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