Document Detail


Heart rate autonomic responses during deep breathing and walking in hospitalised patients with chronic heart failure.
MedLine Citation:
PMID:  20731562     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Objective. To evaluate the acute effect of physiotherapy (deep breathing exercises and walking) on heart rate variability in patients hospitalised with chronic heart failure (CHF). Design. Ten males with CHF (57 ± 7 years) and 10 healthy controls (59 ± 9 years) were included. Heart rate and RR intervals were recorded in the following conditions: supine, seated, during deep breathing exercises and during and after walking. Heart rate variability was analysed by linear and non-linear methods (α2, Mean HR, rMSSD, SDNN and ApEn). Results. Patients presented significantly lower SDNN (12.4 ± 4 versus 26 ± 8 ms), rMSSD (18.2 ± 16.2 versus 25 ± 19.5 ms) and ApEn (9.9 ± 10 versus 16.68 ± 22.6) during the walking compared to controls (p < 0.05). In addition, mean HR was significantly higher during and after walking for patients with CHF compared to controls (103 ± 8 versus 80 ± 2 bpm and 90 ± 9 versus 68 ± 2 bpm, respectively). Patients with CHF demonstrated a significant reduction of α2 during deep breathing (0.78 ± 0.1) when compared to the seated position (1.08 ± 0.1) and walking (1.15 ± 0.2, p < 0.05). Additionally, rMSSD index increased during deep breathing when compared to walking in both groups. Conclusion. Deep breathing exercises and walking are safe and promote beneficial effects on heart rate variability in patients hospitalised for CHF.
Authors:
Flávia C Rossi Caruso; Ross Arena; Renata Gonçalves Mendes; Michel Silva Reis; Valéria Papa; Audrey Borghi-Silva
Publication Detail:
Type:  Journal Article     Date:  2010-08-23
Journal Detail:
Title:  Disability and rehabilitation     Volume:  33     ISSN:  1464-5165     ISO Abbreviation:  Disabil Rehabil     Publication Date:  2011  
Date Detail:
Created Date:  2011-03-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9207179     Medline TA:  Disabil Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  751-7     Citation Subset:  IM    
Affiliation:
Cardiopulmonary Physiotherapy Laboratory, Nucleus of Research in Physical Exercise, Federal University of Sao Carlos, Sao Paulo, Brazil.
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