Ultrasound assessment of the respiratory system using diaphragm motion-volume indices
BackgroundAlthough previous studies have determined limit values of normality for diaphragm excursion and thickening, it would be beneficial to determine the normal diaphragm motion-to-inspired volume ratio that integrates the activity of the diaphragm and the quality of the respiratory system.Metho...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2023-05-01
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| Series: | Frontiers in Medicine |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmed.2023.1190891/full |
| _version_ | 1797823795175620608 |
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| author | Alain Boussuges Alain Boussuges Guillaume Chaumet Martin Boussuges Amelie Menard Stephane Delliaux Stephane Delliaux Fabienne Brégeon Fabienne Brégeon |
| author_facet | Alain Boussuges Alain Boussuges Guillaume Chaumet Martin Boussuges Amelie Menard Stephane Delliaux Stephane Delliaux Fabienne Brégeon Fabienne Brégeon |
| author_sort | Alain Boussuges |
| collection | DOAJ |
| description | BackgroundAlthough previous studies have determined limit values of normality for diaphragm excursion and thickening, it would be beneficial to determine the normal diaphragm motion-to-inspired volume ratio that integrates the activity of the diaphragm and the quality of the respiratory system.MethodsTo determine the normal values of selected ultrasound diaphragm motion-volume indices, subjects with normal pulmonary function testing were recruited. Ultrasound examination recorded diaphragm excursion on both sides during quiet breathing and deep inspiration. Diaphragm thickness was also measured. The inspired volumes of the corresponding cycles were systematically recorded using a spirometer. The indices were calculated using the ratio excursion, or percentage of thickening, divided by the corresponding breathing volume. From this corhort, normal values and limit values for normality were determined. These measurements were compared to those performed on the healthy side in patients with hemidiaphragm paralysis because an increase in hemidiaphragm activity has been previously demonstated in such circumstances.ResultsA total of 122 subjects (51 women, 71 men) with normal pulmonary function were included in the study. Statistical analysis revealed that the ratio of excursion, or percentage of thickening, to inspired volume ratio significantly differed between males and females. When the above-mentioned indices using excursion were normalized by body weight, no gender differences were found. The indices differed between normal respiratory function subjects and patients with hemidiaphragm paralysis (27 women, 41 men). On the paralyzed side, the average ratio of the excursion divided by the inspired volume was zero. On the healthy side, the indices using the excursion and the percentage of thickening during quiet breathing or deep inspiration were significantly increased comparedto patients with normal lung function. According to the logistic regression analysis, the most relevant indice appeared to be the ratio of the excursion measured during quiet breathing to the inspired volume.ConclusionThe normal values of the diaphragm motion-volume indices could be useful to estimate the performance of the respiratory system. Proposed indices appear suitable in a context of hyperactivity. |
| first_indexed | 2024-03-13T10:29:19Z |
| format | Article |
| id | doaj.art-c9dda9ca81794007bd7ea5d7b8cd6048 |
| institution | Directory Open Access Journal |
| issn | 2296-858X |
| language | English |
| last_indexed | 2024-03-13T10:29:19Z |
| publishDate | 2023-05-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Medicine |
| spelling | doaj.art-c9dda9ca81794007bd7ea5d7b8cd60482023-05-19T04:37:55ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2023-05-011010.3389/fmed.2023.11908911190891Ultrasound assessment of the respiratory system using diaphragm motion-volume indicesAlain Boussuges0Alain Boussuges1Guillaume Chaumet2Martin Boussuges3Amelie Menard4Stephane Delliaux5Stephane Delliaux6Fabienne Brégeon7Fabienne Brégeon8Center for Cardiovascular and Nutrition Research, C2VN (Aix Marseille University, INSERM 1263, INRAE 1260), Faculté de Médecine, Marseille, FranceAPHM, Hôpital Nord, Explorations Fonctionnelles Respiratoires, Marseille, FranceAltraBio, Lyon, FranceAix Marseille University, APHM, Département de Pneumologie, Hôpital Nord, Marseille, FranceAPHM, Hôpital Nord, Unité Post COVID, Service de Médecine Interne, Marseille, FranceCenter for Cardiovascular and Nutrition Research, C2VN (Aix Marseille University, INSERM 1263, INRAE 1260), Faculté de Médecine, Marseille, FranceAPHM, Hôpital Nord, Explorations Fonctionnelles Respiratoires, Marseille, FranceAPHM, Hôpital Nord, Explorations Fonctionnelles Respiratoires, Marseille, FranceAix Marseille University, APHM, Microbes Evolution Phylogeny and Infections Department, IHU-Méditerranée Infection, Marseille, FranceBackgroundAlthough previous studies have determined limit values of normality for diaphragm excursion and thickening, it would be beneficial to determine the normal diaphragm motion-to-inspired volume ratio that integrates the activity of the diaphragm and the quality of the respiratory system.MethodsTo determine the normal values of selected ultrasound diaphragm motion-volume indices, subjects with normal pulmonary function testing were recruited. Ultrasound examination recorded diaphragm excursion on both sides during quiet breathing and deep inspiration. Diaphragm thickness was also measured. The inspired volumes of the corresponding cycles were systematically recorded using a spirometer. The indices were calculated using the ratio excursion, or percentage of thickening, divided by the corresponding breathing volume. From this corhort, normal values and limit values for normality were determined. These measurements were compared to those performed on the healthy side in patients with hemidiaphragm paralysis because an increase in hemidiaphragm activity has been previously demonstated in such circumstances.ResultsA total of 122 subjects (51 women, 71 men) with normal pulmonary function were included in the study. Statistical analysis revealed that the ratio of excursion, or percentage of thickening, to inspired volume ratio significantly differed between males and females. When the above-mentioned indices using excursion were normalized by body weight, no gender differences were found. The indices differed between normal respiratory function subjects and patients with hemidiaphragm paralysis (27 women, 41 men). On the paralyzed side, the average ratio of the excursion divided by the inspired volume was zero. On the healthy side, the indices using the excursion and the percentage of thickening during quiet breathing or deep inspiration were significantly increased comparedto patients with normal lung function. According to the logistic regression analysis, the most relevant indice appeared to be the ratio of the excursion measured during quiet breathing to the inspired volume.ConclusionThe normal values of the diaphragm motion-volume indices could be useful to estimate the performance of the respiratory system. Proposed indices appear suitable in a context of hyperactivity.https://www.frontiersin.org/articles/10.3389/fmed.2023.1190891/fullchest ultrasonographyhemidiaphragmthickening fractionthickening ratiodiaphragm function |
| spellingShingle | Alain Boussuges Alain Boussuges Guillaume Chaumet Martin Boussuges Amelie Menard Stephane Delliaux Stephane Delliaux Fabienne Brégeon Fabienne Brégeon Ultrasound assessment of the respiratory system using diaphragm motion-volume indices Frontiers in Medicine chest ultrasonography hemidiaphragm thickening fraction thickening ratio diaphragm function |
| title | Ultrasound assessment of the respiratory system using diaphragm motion-volume indices |
| title_full | Ultrasound assessment of the respiratory system using diaphragm motion-volume indices |
| title_fullStr | Ultrasound assessment of the respiratory system using diaphragm motion-volume indices |
| title_full_unstemmed | Ultrasound assessment of the respiratory system using diaphragm motion-volume indices |
| title_short | Ultrasound assessment of the respiratory system using diaphragm motion-volume indices |
| title_sort | ultrasound assessment of the respiratory system using diaphragm motion volume indices |
| topic | chest ultrasonography hemidiaphragm thickening fraction thickening ratio diaphragm function |
| url | https://www.frontiersin.org/articles/10.3389/fmed.2023.1190891/full |
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