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Re: Quotation of Heart Rate Variability Parameters with Their Normalized Units/Yanit: Kalp Hizi Degiskenligi Parametrelerinin Normalize Birimleri ile Sunumu.

Dear Editor,

Thank you so much for your excellent advice regarding our article.

Before we reply to your comments, we had several mistakes in the table 2 and 3. LF/LF has been corrected to LF/HF.

We agree with your comment about showing the raw data for LH and HF instead of the normalized units of LF and HF.

In our study, we demonstrated that LF or HF values were expressed as the normalized units of LF and HF, which were calculated according to the following formulas; LF(%)=LF/TPx100% and HF(%)=HF/TPx100%. TP; total power.

Because of the technical limitation of our analysis machine of HRV, we showed the normalized units of LF and HF in this study. There is a report, which suggests that normalized units of LF and HF are more sensitive indicators compared with the raw data of LH and HF for assessing sympathetic and parasympathetic tone (1). In addition, we compared the values of LF, HF, and LF/HF between pre-and post-administration of remifentanil in this study. No change was observed in our findings, even in case of the use of raw data of LH and HF instead of the normalized units of LF and HF.

Again, thank you so much for your excellent comments.

References

(1.) Komatsu T, Fujiwara Y, Hashimoto A, Harato M, Ito H. Analysis of heart rate Variability. Masui 2009; 58: 820-31.

Corresponding Author/Sorumlu Yazar: Yuji Kadoi

E-mail: kadoi@gunma-u.ac.jp

Yuji Kadoi

Department of Anaesthesiology Gunma University Hospital Gunma, Japan

DOI: 10.5152/TJAR.2018.010518

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Title Annotation:Author's Reply
Author:Kadoi, Yuji
Publication:Turkish Journal of Anaesthesiology and Reanimation
Article Type:Letter to the editor
Date:Jun 1, 2018
Words:260
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