Cargando…
Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease
OBJECTIVE: To compare and analyze the effects of cardiac rehabilitation (CR) in two groups based on the peak respiratory exchange ratio (RER(peak)) 1.1 values using the exercise tolerance test (ETT) results, and to investigate the reasons for early termination of ETT. METHODS: Patients with acute co...
Autores principales: | , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Korean Academy of Rehabilitation Medicine
2016
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5256319/ https://www.ncbi.nlm.nih.gov/pubmed/28119843 http://dx.doi.org/10.5535/arm.2016.40.6.1114 |
_version_ | 1782498690757296128 |
---|---|
author | Kim, Chul Choi, Hee Eun Lee, Ki Hoon Kim, Young Joo Lee, Sang Jae |
author_facet | Kim, Chul Choi, Hee Eun Lee, Ki Hoon Kim, Young Joo Lee, Sang Jae |
author_sort | Kim, Chul |
collection | PubMed |
description | OBJECTIVE: To compare and analyze the effects of cardiac rehabilitation (CR) in two groups based on the peak respiratory exchange ratio (RER(peak)) 1.1 values using the exercise tolerance test (ETT) results, and to investigate the reasons for early termination of ETT. METHODS: Patients with acute coronary syndrome who participated in CR exercise training were selected and all subjects underwent 6 weeks of CR exercise training. ETT was performed on a treadmill using a Modified Bruce Protocol before and after CR exercise training. According to the result of the first ETT, the subjects were divided into two groups: those with an RER(peak)≥1.1 (n=33) and those with an RER(peak)<1.1 (n=22). We investigated the reasons for ETT termination and compared the effect of CR between the groups. RESULTS: The reasons for the early termination of the first ETT in the RER(peak)<1.1 group were subjective dyspnea, abnormal cardiovascular responses, leg fatigue and other problems. After a 6-week CR, the peak oxygen consumption (VO(2peak)) and ETT time increased, and the rate of perceived exertion (RPE) and RPP (rate pressure product) at stage 3 decreased in both the RER(peak)<1.1 and RER(peak)≥1.1 groups. CONCLUSION: CR exercise training improved exercise capacity, not only in the RER(peak)≥1.1 group, but also in the RER(peak)<1.1 group. This means that patients with a lower exercise tolerance could also benefit from the effects of CR. Thoughtful consideration to identify the direct and indirect causes for the early termination of ETT would be necessary to improve the efficiency of CR. |
format | Online Article Text |
id | pubmed-5256319 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2016 |
publisher | Korean Academy of Rehabilitation Medicine |
record_format | MEDLINE/PubMed |
spelling | pubmed-52563192017-01-24 Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease Kim, Chul Choi, Hee Eun Lee, Ki Hoon Kim, Young Joo Lee, Sang Jae Ann Rehabil Med Original Article OBJECTIVE: To compare and analyze the effects of cardiac rehabilitation (CR) in two groups based on the peak respiratory exchange ratio (RER(peak)) 1.1 values using the exercise tolerance test (ETT) results, and to investigate the reasons for early termination of ETT. METHODS: Patients with acute coronary syndrome who participated in CR exercise training were selected and all subjects underwent 6 weeks of CR exercise training. ETT was performed on a treadmill using a Modified Bruce Protocol before and after CR exercise training. According to the result of the first ETT, the subjects were divided into two groups: those with an RER(peak)≥1.1 (n=33) and those with an RER(peak)<1.1 (n=22). We investigated the reasons for ETT termination and compared the effect of CR between the groups. RESULTS: The reasons for the early termination of the first ETT in the RER(peak)<1.1 group were subjective dyspnea, abnormal cardiovascular responses, leg fatigue and other problems. After a 6-week CR, the peak oxygen consumption (VO(2peak)) and ETT time increased, and the rate of perceived exertion (RPE) and RPP (rate pressure product) at stage 3 decreased in both the RER(peak)<1.1 and RER(peak)≥1.1 groups. CONCLUSION: CR exercise training improved exercise capacity, not only in the RER(peak)≥1.1 group, but also in the RER(peak)<1.1 group. This means that patients with a lower exercise tolerance could also benefit from the effects of CR. Thoughtful consideration to identify the direct and indirect causes for the early termination of ETT would be necessary to improve the efficiency of CR. Korean Academy of Rehabilitation Medicine 2016-12 2016-12-30 /pmc/articles/PMC5256319/ /pubmed/28119843 http://dx.doi.org/10.5535/arm.2016.40.6.1114 Text en Copyright © 2016 by Korean Academy of Rehabilitation Medicine http://creativecommons.org/licenses/by-nc/4.0 This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article Kim, Chul Choi, Hee Eun Lee, Ki Hoon Kim, Young Joo Lee, Sang Jae Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease |
title | Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease |
title_full | Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease |
title_fullStr | Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease |
title_full_unstemmed | Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease |
title_short | Influence of Low Peak Respiratory Exchange Ratio on Cardiac Rehabilitation in Patients With Coronary Artery Disease |
title_sort | influence of low peak respiratory exchange ratio on cardiac rehabilitation in patients with coronary artery disease |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5256319/ https://www.ncbi.nlm.nih.gov/pubmed/28119843 http://dx.doi.org/10.5535/arm.2016.40.6.1114 |
work_keys_str_mv | AT kimchul influenceoflowpeakrespiratoryexchangeratiooncardiacrehabilitationinpatientswithcoronaryarterydisease AT choiheeeun influenceoflowpeakrespiratoryexchangeratiooncardiacrehabilitationinpatientswithcoronaryarterydisease AT leekihoon influenceoflowpeakrespiratoryexchangeratiooncardiacrehabilitationinpatientswithcoronaryarterydisease AT kimyoungjoo influenceoflowpeakrespiratoryexchangeratiooncardiacrehabilitationinpatientswithcoronaryarterydisease AT leesangjae influenceoflowpeakrespiratoryexchangeratiooncardiacrehabilitationinpatientswithcoronaryarterydisease |