کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5986702 1178862 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Joint symbolic analyses of heart rate, blood pressure, and respiratory dynamics
ترجمه فارسی عنوان
تجزیه و تحلیل نمادین مشترک از ضربان قلب، فشار خون و دینامیک تنفسی
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی کاردیولوژی و پزشکی قلب و عروق
چکیده انگلیسی

IntroductionThe dynamics of cardiovascular variables are modulated by respiration. The aim of this study was to assess baroreflex function in normal subjects based on the joint symbolic dynamics of heart rate, blood pressure and respiration.MethodsECG, continuous blood pressure and respiration were recorded in ten healthy subjects during rest in the supine position and upon standing. Beat-to-beat time series of heart rate, systolic blood pressure and respiratory phase were extracted and transformed into binary symbol sequences. Words of length two that were reflective of baroreflex activity were statistically analysed with respect to the respiratory phase.ResultsSymbolic analysis showed a significant influence of the respiratory phase on the occurrence of baroreflex patterns. Upon standing, the frequency of baroreflex words increased and the effect of respiration appeared to be reduced.ConclusionsSymbolic dynamics provide a simple representation of cardiovascular dynamics and may be useful for assessing baroreflex function.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Electrocardiology - Volume 46, Issue 6, November–December 2013, Pages 569-573
نویسندگان
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