Surface respiratory electromyography and dyspnea in acute heart failure patients.
INTRODUCTION AND OBJECTIVES:Dyspnea is the most common symptom among hospitalized patients with heart failure (HF) but besides dyspnea questionnaires (which reflect the subjective patient sensation and are not fully validated in HF) there are no measurable physiological variables providing objective...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2020-01-01
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| Series: | PLoS ONE |
| Online Access: | https://doi.org/10.1371/journal.pone.0232225 |
| _version_ | 1818586679325229056 |
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| author | Daniele Luiso Jair A Villanueva Laia C Belarte-Tornero Aleix Fort Zorba Blázquez-Bermejo Sonia Ruiz Ramon Farré Jordi Rigau Julio Martí-Almor Núria Farré |
| author_facet | Daniele Luiso Jair A Villanueva Laia C Belarte-Tornero Aleix Fort Zorba Blázquez-Bermejo Sonia Ruiz Ramon Farré Jordi Rigau Julio Martí-Almor Núria Farré |
| author_sort | Daniele Luiso |
| collection | DOAJ |
| description | INTRODUCTION AND OBJECTIVES:Dyspnea is the most common symptom among hospitalized patients with heart failure (HF) but besides dyspnea questionnaires (which reflect the subjective patient sensation and are not fully validated in HF) there are no measurable physiological variables providing objective assessment of dyspnea in a setting of acute HF patients. Studies performed in respiratory patients suggest that the measurement of electromyographic (EMG) activity of the respiratory muscles with surface electrodes correlates well with dyspnea. Our aim was to test the hypothesis that respiratory muscles EMG activity is a potential marker of dyspnea severity in acute HF patients. METHODS:Prospective and descriptive pilot study carried out in 25 adult patients admitted for acute HF. Measurements were carried out with a cardio-respiratory portable polygraph including EMG surface electrodes for measuring the activity of main (diaphragm) and accessory (scalene and pectoralis minor) respiratory muscles. Dyspnea sensation was assessed by means of the Likert 5 questionnaire. Data were recorded during 3 min of spontaneous breathing and after breathing at maximum effort for several cycles for normalizing data. An index to quantify the activity of each respiratory muscle was computed. This assessment was carried out within the first 24 h of admission, and at day 2 and 5. RESULTS:Dyspnea score decreased along the three measured days. Diaphragm and scalene EMG index showed a positive and significant direct relationship with dyspnea score (p<0.001 and p = 0.003 respectively) whereas pectoralis minor muscle did not. CONCLUSION:In our pilot study, diaphragm and scalene EMG activity was associated with increasing severity of dyspnea. Surface respiratory EMG could be a useful objective tool to improve assessment of dyspnea in acute HF patients. |
| first_indexed | 2024-12-16T08:56:48Z |
| format | Article |
| id | doaj.art-773bbe71903a4178a106656992ec8545 |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-16T08:56:48Z |
| publishDate | 2020-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-773bbe71903a4178a106656992ec85452022-12-21T22:37:17ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-01154e023222510.1371/journal.pone.0232225Surface respiratory electromyography and dyspnea in acute heart failure patients.Daniele LuisoJair A VillanuevaLaia C Belarte-TorneroAleix FortZorba Blázquez-BermejoSonia RuizRamon FarréJordi RigauJulio Martí-AlmorNúria FarréINTRODUCTION AND OBJECTIVES:Dyspnea is the most common symptom among hospitalized patients with heart failure (HF) but besides dyspnea questionnaires (which reflect the subjective patient sensation and are not fully validated in HF) there are no measurable physiological variables providing objective assessment of dyspnea in a setting of acute HF patients. Studies performed in respiratory patients suggest that the measurement of electromyographic (EMG) activity of the respiratory muscles with surface electrodes correlates well with dyspnea. Our aim was to test the hypothesis that respiratory muscles EMG activity is a potential marker of dyspnea severity in acute HF patients. METHODS:Prospective and descriptive pilot study carried out in 25 adult patients admitted for acute HF. Measurements were carried out with a cardio-respiratory portable polygraph including EMG surface electrodes for measuring the activity of main (diaphragm) and accessory (scalene and pectoralis minor) respiratory muscles. Dyspnea sensation was assessed by means of the Likert 5 questionnaire. Data were recorded during 3 min of spontaneous breathing and after breathing at maximum effort for several cycles for normalizing data. An index to quantify the activity of each respiratory muscle was computed. This assessment was carried out within the first 24 h of admission, and at day 2 and 5. RESULTS:Dyspnea score decreased along the three measured days. Diaphragm and scalene EMG index showed a positive and significant direct relationship with dyspnea score (p<0.001 and p = 0.003 respectively) whereas pectoralis minor muscle did not. CONCLUSION:In our pilot study, diaphragm and scalene EMG activity was associated with increasing severity of dyspnea. Surface respiratory EMG could be a useful objective tool to improve assessment of dyspnea in acute HF patients.https://doi.org/10.1371/journal.pone.0232225 |
| spellingShingle | Daniele Luiso Jair A Villanueva Laia C Belarte-Tornero Aleix Fort Zorba Blázquez-Bermejo Sonia Ruiz Ramon Farré Jordi Rigau Julio Martí-Almor Núria Farré Surface respiratory electromyography and dyspnea in acute heart failure patients. PLoS ONE |
| title | Surface respiratory electromyography and dyspnea in acute heart failure patients. |
| title_full | Surface respiratory electromyography and dyspnea in acute heart failure patients. |
| title_fullStr | Surface respiratory electromyography and dyspnea in acute heart failure patients. |
| title_full_unstemmed | Surface respiratory electromyography and dyspnea in acute heart failure patients. |
| title_short | Surface respiratory electromyography and dyspnea in acute heart failure patients. |
| title_sort | surface respiratory electromyography and dyspnea in acute heart failure patients |
| url | https://doi.org/10.1371/journal.pone.0232225 |
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