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Letter to the Editor| Volume 169, ISSUE 1, e6-e8, October 25, 2013

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Effects of slow breathing rate on blood pressure and heart rate variabilities

  • Qinghua Chang
    Affiliations
    Cardiovascular Institute of the First Affiliated Hospital of Liaoning Medical College, Jinzhou 121001, Liaoning Province, China
    Search for articles by this author
  • Renguang Liu
    Correspondence
    Corresponding author at: The Cardiovascular Institute of the First Affiliated Hospital of Liaoning Medical College, Renmin Street, 121001 Jinzhou, Liaoning Province, China. Tel.: +86 15940657851, +86 13009336139; fax: +86 416 4197105.
    Affiliations
    Cardiovascular Institute of the First Affiliated Hospital of Liaoning Medical College, Jinzhou 121001, Liaoning Province, China
    Search for articles by this author
  • Zhongyuan Shen
    Affiliations
    Shanghai University of Traditional Medicine, Shanghai 200030, China
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Published:September 24, 2013DOI:https://doi.org/10.1016/j.ijcard.2013.08.121
      Heart rate variability (HRV) is a suitable parameter which is representative of the type of autonomic control [
      • Schäfer A.
      • Vagedes J.
      How accurate is pulse rate variability as an estimate of heart rate variability?.
      ]. Blood pressure variability (BPV) seems to be a reliable parameter indicating the balance of neurohumoral and endocrinic regulation, which is closely related to the risk of cardiovascular complications [
      • Mancia G.
      • Guido G.
      Mechanisms and clinical implications of blood pressure variability.
      ,
      • Webb A.J.
      • Fischer U.
      • Mehta Z.
      • Rothwell P.M.
      Effects of antihypertensive-drug class on interindividual variation in blood pressure and risk of stroke: a systematic review and meta-analysis.
      ,
      • Rothwell P.M.
      • Howard S.C.
      • Dolan E.
      • et al.
      Prognostic significance of visit-to-visit variability, maximum systolic blood pressure, and episodic hypertension.
      ]. Several studies have shown that breathing rate plays a pivotal role in the regulation of HRV and BPV [
      • Larsen P.D.
      • Tzeng Y.C.
      • Sin P.Y.
      • Galletly D.C.
      Respiratory sinus arrhythmia in conscious humans during spontaneous respiration.
      ,
      • DeBeck L.D.
      • Petersen S.R.
      • Jones K.E.
      • Stickland M.K.
      Heart rate variability and muscle sympathetic nerve activity response to acute stress: the effect of breathing.
      ,
      • Mancia G.
      Short- and long-term blood pressure variability: present and future.
      ]. The objective of this study is to investigate the effects of slow breathing rate on HRV and BPV in healthy subjects.

      Keywords

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