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Evaluation of cardiac autonomic functions in patients with ankylosing spondylitis via heart rate recovery and heart rate variability.
MedLine Citation:
PMID:  20585789     Owner:  NLM     Status:  In-Process    
OBJECTIVE: The aim of this study was to evaluate heart rate variability (HRV) and heart rate recovery (HRR) in otherwise healthy ankylosing spondylitis (AS) patients and control subjects.
METHODS: A total of 28 patients with AS and 30 volunteers matched for age and sex were enrolled. All subjects underwent HRV analysis, exercise testing (ET), and transthoracic echocardiography. HRR indices were calculated by subtracting first, second, and third minute heart rates (HR) from the maximal HR.
RESULTS: The AS and control groups were similar with respect to age (28.7 ± 5.7 vs. 29.3 ± 5.8 years), gender distribution [(male/female) 24/4 vs. 26/4], and left ventricular ejection fraction (LVEF) (63.8 ± 2.8% vs. 65.7 ± 3.6%). Mean HRR1 (24.8 ± 4.2 vs. 28.8 ± 5.5, P = 0.001) and HRR2 (42.0 ± 4.4 vs. 48.0 ± 6.3, P = 0.001) values were significantly higher in control group. SDNN, SDANN, RMSDD, and PNN50 significantly decreased; LF and LF/HF increased in AS patients compared with control subjects.
CONCLUSIONS: Patients with AS has lower HRR and HRV indices with respect to normal subjects. Cardiac autonomic functions might be involved in AS patients even in patients without cardiac symptoms.
Ergun Baris Kaya; Sercan Okutucu; Hakan Aksoy; Ugur Nadir Karakulak; Erol Tulumen; Oya Ozdemir; Fatma Inanici; Kudret Aytemir; Giray Kabakci; Lale Tokgozoglu; Hilmi Ozkutlu; Ali Oto
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Publication Detail:
Type:  Journal Article     Date:  2010-06-29
Journal Detail:
Title:  Clinical research in cardiology : official journal of the German Cardiac Society     Volume:  99     ISSN:  1861-0692     ISO Abbreviation:  Clin Res Cardiol     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101264123     Medline TA:  Clin Res Cardiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  803-8     Citation Subset:  IM    
Department of Cardiology, Faculty of Medicine, Hacettepe University, Sıhhiye, PO 06100, Ankara, Turkey.
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