1
|
Van Hove O, Andrianopoulos V, Dabach A, Debeir O, Van Muylem A, Leduc D, Legrand A, Ercek R, Feipel V, Bonnechère B. The use of time-of-flight camera to assess respiratory rates and thoracoabdominal depths in patients with chronic respiratory disease. THE CLINICAL RESPIRATORY JOURNAL 2023; 17:176-186. [PMID: 36710074 PMCID: PMC9978902 DOI: 10.1111/crj.13581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Over the last 5 years, the analysis of respiratory patterns presents a growing usage in clinical and research purposes, but there is still currently a lack of easy-to-use and affordable devices to perform such kind of evaluation. OBJECTIVES The aim of this study is to validate a new specifically developed method, based on Kinect sensor, to assess respiratory patterns against spirometry under various conditions. METHODS One hundred and one participants took parts in one of the three validations studies. Twenty-five chronic respiratory disease patients (14 with chronic obstructive pulmonary disease (COPD) [65 ± 10 years old, FEV1 = 37 (15% predicted value), VC = 62 (20% predicted value)], and 11 with lung fibrosis (LF) [64 ± 14 years old, FEV1 = 55 (19% predicted value), VC = 62 (20% predicted value)]) and 76 healthy controls (HC) were recruited. The correlations between the signal of the Kinect (depth and respiratory rate) and the spirometer (tidal volume and respiratory rate) were computed in part 1. We then included 66 HC to test the ability of the system to detect modifications of respiratory patterns induced by various conditions known to modify respiratory pattern (cognitive load, inspiratory load and combination) in parts 2 and 3. RESULTS There is a strong correlation between the depth recorded by the Kinect and the tidal volume recorded by the spirometer: r = 0.973 for COPD patients, r = 0.989 for LF patients and r = 0.984 for HC. The Kinect is able to detect changes in breathing patterns induced by different respiratory disturbance conditions, gender and oral task. CONCLUSIONS Measurements performed with the Kinect sensors are highly correlated with the spirometer in HC and patients with COPD and LF. Kinect is also able to assess respiratory patterns under various loads and disturbances. This method is affordable, easy to use, fully automated and could be used in the current clinical context. Respiratory patterns are important to assess in daily clinics. However, there is currently no affordable and easy-to-use tool to evaluate these parameters in clinics. We validated a new system to assess respiratory patterns using the Kinect sensor in patients with chronic respiratory diseases.
Collapse
Affiliation(s)
| | - Vasileios Andrianopoulos
- Institute for Pulmonary Rehabilitation ResearchSchoen Klinik Berchtesgadener LandSchoenau am KoenigsseeGermany
| | - Ali Dabach
- LISA ‐ Laboratory of Image Synthesis and AnalysisUniversité Libre de BruxellesBrusselsBelgium
| | - Olivier Debeir
- LISA ‐ Laboratory of Image Synthesis and AnalysisUniversité Libre de BruxellesBrusselsBelgium
| | | | - Dimitri Leduc
- Department of PneumologyErasme HospitalBrusselsBelgium,Laboratory of Cardiorespiratory PhysiologyUniversité Libre de BruxellesBrusselsBelgium
| | - Alexandre Legrand
- Department of Respiratory Physiology, Pathophysiology and RehabilitationResearch Institute for Health Sciences and Technology, University of MonsMonsBelgium
| | - Rudy Ercek
- LISA ‐ Laboratory of Image Synthesis and AnalysisUniversité Libre de BruxellesBrusselsBelgium
| | - Véronique Feipel
- Laboratory of Functional AnatomyUniversité Libre de BruxellesBrusselsBelgium
| | - Bruno Bonnechère
- REVAL Rehabilitation Research Center, Faculty of Rehabilitation SciencesHasselt UniversityDiepenbeekBelgium,Technology‐Supported and Data‐Driven Rehabilitation, Data Sciences InstituteHasselt UniversityDiepenbeekBelgium
| |
Collapse
|
2
|
Wanderley e Lima TB, Sarmento A, da Silva Vieira RG, de Freitas Castro EL, Pennati F, Aliverti A, Resqueti VR, Augusto de Freitas Fregonezi G. Non-invasive assessment of fatigue and recovery of inspiratory rib cage muscles during endurance test in healthy individuals. PLoS One 2022; 17:e0277131. [PMID: 36477075 PMCID: PMC9728934 DOI: 10.1371/journal.pone.0277131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 10/21/2022] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION Fatigue is defined as loss of capacity to develop muscle force and/or velocity that is reversible at rest. We assessed non-invasively the fatigue and recovery of inspiratory rib cage muscles during two respiratory endurance tests in healthy individuals. METHODS The sniff nasal inspiratory pressure (SNIP) was assessed before and after two respiratory endurance tests: normocapnic hyperpnea (NH) and inspiratory pressure threshold loading (IPTL). Contractile (maximum rate of pressure development and time to peak pressure) and relaxation parameters (maximum relaxation rate [MRR], time constant of pressure decay [τ], and half relaxation time) obtained from sniff curves and shortening velocity and mechanical power estimated using optoelectronic plethysmography were analyzed during SNIP maneuvers. Respiratory muscle activity (electromyography) and tissue oxygenation (near-infrared spectroscopy-NIRS) were obtained during endurance tests and SNIP maneuvers. Fatigue development of inspiratory rib cage muscles was assessed according to the slope of decay of median frequency. RESULTS Peak pressure during SNIP decreased after both protocols (p <0.05). MRR, shortening velocity, and mechanical power decreased (p <0.05), whereas τ increased after IPTL (p <0.05). The median frequency of inspiratory rib cage muscles (i.e., sum of sternocleidomastoid, scalene, and parasternal) decreased linearly during IPTL and exponentially during NH, mainly due to the sternocleidomastoid. CONCLUSION Fatigue development behaved differently between protocols and relaxation properties (MRR and τ), shortening velocity, and mechanical power changed only in the IPTL.
Collapse
Affiliation(s)
- Thiago Bezerra Wanderley e Lima
- PneumoCardioVascular Lab/Hospital Universitário Onofre Lopes (HUOL), Empresa Brasileira de Serviços Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Departamento de Fisioterapia, Laboratório de Inovação Tecnológica em Reabilitação, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Antonio Sarmento
- PneumoCardioVascular Lab/Hospital Universitário Onofre Lopes (HUOL), Empresa Brasileira de Serviços Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Departamento de Fisioterapia, Laboratório de Inovação Tecnológica em Reabilitação, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Rayane Grayce da Silva Vieira
- PneumoCardioVascular Lab/Hospital Universitário Onofre Lopes (HUOL), Empresa Brasileira de Serviços Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Departamento de Fisioterapia, Laboratório de Inovação Tecnológica em Reabilitação, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Esmívany Lhara de Freitas Castro
- PneumoCardioVascular Lab/Hospital Universitário Onofre Lopes (HUOL), Empresa Brasileira de Serviços Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Departamento de Fisioterapia, Laboratório de Inovação Tecnológica em Reabilitação, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Francesca Pennati
- Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Milan, Italy
| | - Andrea Aliverti
- Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Milan, Italy
| | - Vanessa Regiane Resqueti
- PneumoCardioVascular Lab/Hospital Universitário Onofre Lopes (HUOL), Empresa Brasileira de Serviços Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Departamento de Fisioterapia, Laboratório de Inovação Tecnológica em Reabilitação, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Guilherme Augusto de Freitas Fregonezi
- PneumoCardioVascular Lab/Hospital Universitário Onofre Lopes (HUOL), Empresa Brasileira de Serviços Hospitalares (EBSERH), Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- Departamento de Fisioterapia, Laboratório de Inovação Tecnológica em Reabilitação, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
- * E-mail:
| |
Collapse
|
3
|
Medeiros da Fonsêca JD, Aliverti A, Benício K, de Farias Sales VS, Fontes Silva da Cunha Lima L, Resqueti VR, Augusto de Freitas Fregonezi G. Breathing pattern and muscle activity using different inspiratory resistance devices in children with MBS. ERJ Open Res 2022; 8:00480-2021. [PMID: 35539438 PMCID: PMC9081542 DOI: 10.1183/23120541.00480-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 01/19/2022] [Indexed: 11/12/2022] Open
Abstract
Aim The aim of this study was to evaluate the acute effects of different inspiratory resistance devices and intensity of loads via nasal airway on the breathing pattern and activity of respiratory muscles in children with mouth breathing syndrome (MBS). Methods Children with MBS were randomised into two groups based on inspiratory load intensity (20% and 40% of the maximal inspiratory pressure). These subjects were assessed during quiet breathing, breathing against inspiratory load via nasal airway and recovery. The measurements were repeated using two different devices (pressure threshold and flow resistance). Chest wall volumes and respiratory muscle activity were evaluated by optoelectronic plethysmography and surface electromyography, respectively. Results During the application of inspiratory load, there was a significant reduction in respiratory rate (p<0.04) and an increase in inspiratory time (p<0.02), total time of respiratory cycle (p<0.02), minute ventilation (p<0.03), tidal volume (p<0.01) and scalene and sternocleidomastoid muscles activity (root mean square values, p<0.01) when compared to quiet spontaneous breathing and recovery, regardless of load level or device applied. The application of inspiratory load using the flow resistance device showed an increase in the tidal volume (p<0.02) and end-inspiratory volume (p<0.02). Conclusion For both devices, the addition of inspiratory loads using a nasal interface had a positive effect on the breathing pattern. However, the flow resistance device was more effective in generating volume and, therefore, has advantages compared to pressure threshold. In children with mouth breathing syndrome, adding inspiratory load using a nasal interface improves chest wall volumes and respiratory muscle activity, and a flow resistance device increases lung volume more than a pressure threshold devicehttps://bit.ly/3IzlayK
Collapse
|
4
|
Bahenský P, Bunc V, Malátová R, Marko D, Grosicki GJ, Schuster J. Impact of a Breathing Intervention on Engagement of Abdominal, Thoracic, and Subclavian Musculature during Exercise, a Randomized Trial. J Clin Med 2021; 10:jcm10163514. [PMID: 34441810 PMCID: PMC8397177 DOI: 10.3390/jcm10163514] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 08/06/2021] [Accepted: 08/06/2021] [Indexed: 11/30/2022] Open
Abstract
Background: Breathing technique may influence endurance exercise performance by reducing overall breathing work and delaying respiratory muscle fatigue. We investigated whether a two-month yoga-based breathing intervention could affect breathing characteristics during exercise. Methods: Forty-six endurance runners (age = 16.6 ± 1.2 years) were randomized to either a breathing intervention or control group. The contribution of abdominal, thoracic, and subclavian musculature to respiration and ventilation parameters during three different intensities on a cycle ergometer was assessed pre- and post-intervention. Results: Post-intervention, abdominal, thoracic, and subclavian ventilatory contributions were altered at 2 W·kg−1 (27:23:50 to 31:28:41), 3 W·kg−1 (26:22:52 to 28:31:41), and 4 W·kg−1 (24:24:52 to 27:30:43), whereas minimal changes were observed in the control group. More specifically, a significant (p < 0.05) increase in abdominal contribution was observed at rest and during low intensity work (i.e., 2 and 3 W·kg−1), and a decrease in respiratory rate and increase of tidal volume were observed in the experimental group. Conclusions: These data highlight an increased reliance on more efficient abdominal and thoracic musculature, and less recruitment of subclavian musculature, in young endurance athletes during exercise following a two-month yoga-based breathing intervention. More efficient ventilatory muscular recruitment may benefit endurance performance by reducing energy demand and thus optimize energy requirements for mechanical work.
Collapse
Affiliation(s)
- Petr Bahenský
- Department of Sports Studies, Faculty of Education, University of South Bohemia, 371 15 České Budějovice, Czech Republic; (R.M.); (D.M.); (J.S.)
- Correspondence: ; Tel.: +42-038-777-3171
| | - Václav Bunc
- Sports Motor Skills Laboratory, Faculty of Sports, Physical Training and Education, Charles University, 165 52 Prague, Czech Republic;
| | - Renata Malátová
- Department of Sports Studies, Faculty of Education, University of South Bohemia, 371 15 České Budějovice, Czech Republic; (R.M.); (D.M.); (J.S.)
| | - David Marko
- Department of Sports Studies, Faculty of Education, University of South Bohemia, 371 15 České Budějovice, Czech Republic; (R.M.); (D.M.); (J.S.)
| | - Gregory J. Grosicki
- Department of Health Sciences and Kinesiology, Biodynamics and Human Performance Center, Armstrong Campus, Georgia Southern University, Savannah, GA 31419, USA;
| | - Jan Schuster
- Department of Sports Studies, Faculty of Education, University of South Bohemia, 371 15 České Budějovice, Czech Republic; (R.M.); (D.M.); (J.S.)
| |
Collapse
|
5
|
da Fonsêca JDM, Resqueti VR, Benício K, Fregonezi G, Aliverti A. Acute Effects of Inspiratory Loads and Interfaces on Breathing Pattern and Activity of Respiratory Muscles in Healthy Subjects. Front Physiol 2019; 10:993. [PMID: 31427989 PMCID: PMC6688654 DOI: 10.3389/fphys.2019.00993] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 07/18/2019] [Indexed: 11/13/2022] Open
Abstract
Objectives The aim of this study was to evaluate the acute effects of different inspiratory loads and different interfaces on the breathing pattern and activity of the respiratory muscles. Methods Twenty healthy adults were recruited and assigned to two groups (20 and 40% of the Maximal Inspiratory Pressure) by way of randomized crossover allocation. Subjects were evaluated during quiet breathing, breathing against inspiratory load, and recovery. The measurements were repeated using two different interfaces (nasal and oral). Chest wall volumes and respiratory muscle activity were assessed with optoelectronic plethysmography and surface electromyography, respectively. Results During the application of inspiratory load, significant changes were observed in the respiratory rate (p < 0.04), inspiratory time (p < 0.02), minute ventilation (p < 0.04), tidal volume (p < 0.01), end-inspiratory volume (p < 0.04), end-expiratory volume (p < 0.03), and in the activity of the scalene, sternocleiomastoid, and parasternal portion of the intercostal muscles (RMS values, p < 0.01) when compared to quiet breathing, regardless of the load level or the interface applied. Inspiratory load application yielded significant differences between using nasal and oral interfaces with an increase in the tidal volume (p < 0.01), end-inspiratory volume (p < 0.01), and electrical activity of the scalene and sternocleiomastoid muscles (p < 0.01) seen with using the nasal interface. Conclusion The addition of an inspiratory load has a significant effect on the breathing pattern and respiratory muscle electrical activity, and the effects are greater when the nasal interface is applied.
Collapse
Affiliation(s)
- Jéssica Danielle Medeiros da Fonsêca
- PneumoCardioVascular Lab/HUOL, Hospital Universitário Onofre Lopes, Empresa Brasileira de Serviços Hospitalares and Departamento de Fisioterapia Universidade Federal do Rio Grande do Norte, Natal, Brazil.,Laboratório de Inovação Tecnológica em Reabilitação, Departamento de Fisioterapia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Vanessa Regiane Resqueti
- PneumoCardioVascular Lab/HUOL, Hospital Universitário Onofre Lopes, Empresa Brasileira de Serviços Hospitalares and Departamento de Fisioterapia Universidade Federal do Rio Grande do Norte, Natal, Brazil.,Laboratório de Inovação Tecnológica em Reabilitação, Departamento de Fisioterapia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Kadja Benício
- PneumoCardioVascular Lab/HUOL, Hospital Universitário Onofre Lopes, Empresa Brasileira de Serviços Hospitalares and Departamento de Fisioterapia Universidade Federal do Rio Grande do Norte, Natal, Brazil.,Laboratório de Inovação Tecnológica em Reabilitação, Departamento de Fisioterapia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Guilherme Fregonezi
- PneumoCardioVascular Lab/HUOL, Hospital Universitário Onofre Lopes, Empresa Brasileira de Serviços Hospitalares and Departamento de Fisioterapia Universidade Federal do Rio Grande do Norte, Natal, Brazil.,Laboratório de Inovação Tecnológica em Reabilitação, Departamento de Fisioterapia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Andrea Aliverti
- Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Milan, Italy
| |
Collapse
|
6
|
Schaer CE, Wüthrich TU, Beltrami FG, Spengler CM. Effects of Sprint-Interval and Endurance Respiratory Muscle Training Regimens. Med Sci Sports Exerc 2019; 51:361-371. [PMID: 30216239 DOI: 10.1249/mss.0000000000001782] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Recently a novel, time-saving respiratory muscle sprint-interval training (RMSIT) was developed. To test the extent to which RMSIT improves respiratory muscle performance compared with a conventional respiratory muscle endurance training (RMET), a novel incremental respiratory muscle test (IncRMT), loading inspiratory and expiratory muscles, was designed to assess performance changes associated with respiratory muscle training (RMT). METHODS Healthy, moderately trained males and females (age: 26 ± 5 yr, V˙O2peak: 47 ± 12 mL·min·kg) were randomized and balanced to three groups (RMSIT 5m/5f; RMET 6m/6f; PLAT 5m/6f). Lung function, respiratory muscle strength, and IncRMT performance were tested before and after 1 month of RMT. During the IncRMT, muscle activity and muscle deoxygenation were assessed via surface EMG and near-infrared spectroscopy of sternocleidomastoid (STERNO), intercostal (INTER), and abdominal (ABDO) muscles. RESULTS Two-way ANOVA revealed a main effect of training for increased maximal voluntary ventilation (P = 0.001) and maximal inspiratory pressure (P = 0.017). Both RMT groups increased work of breathing during training sessions to the same extent (RMSIT: +17.4 ± 8.9 kJ; RMET: +26.2 ± 16.1 kJ; P = 0.143) with a larger increase in average mouth pressure in RMSIT (RMSIT: +20.0 ± 15.0 cm H2O; RMET: +3.3 ± 1.5 cm H2O; P = 0.001). After training, IncRMT duration increased in both RMT groups compared with PLAT (RMSIT: +5.6 ± 2.1 min, P = 0.0006 vs PLAT; RMET: +3.8 ± 4.2 min, P = 0.020 vs PLAT). At similar work, only INTER activity during inspiration increased after RMET. Higher performance after RMSIT was associated with higher activity in STERNO and ABDO, but after RMET, STERNO, INTER, and ABDO showed higher activity. CONCLUSION One month of RMSIT and RMET shows similar improvements in respiratory muscle performance despite different duration of training sessions. Also, muscular adaptations might differ.
Collapse
Affiliation(s)
- Corina E Schaer
- Exercise Physiology Lab, Institute of Human Movement Sciences and Sport, ETH Zurich, Zurich, SWITZERLAND
| | | | | | | |
Collapse
|
7
|
Vranish JR, Bailey EF. Inspiratory Muscle Training Improves Sleep and Mitigates Cardiovascular Dysfunction in Obstructive Sleep Apnea. Sleep 2016; 39:1179-85. [PMID: 27091540 DOI: 10.5665/sleep.5826] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 03/09/2016] [Indexed: 01/26/2023] Open
Abstract
STUDY OBJECTIVES New and effective strategies are needed to manage the autonomic and cardiovascular sequelae of obstructive sleep apnea (OSA). We assessed the effect of daily inspiratory muscle strength training (IMT) on sleep and cardiovascular function in adults unable to use continuous positive airway pressure (CPAP) therapy. METHODS This is a placebo-controlled, single-blind study conducted in twenty four adults with mild, moderate, and severe OSA. Subjects were randomly assigned to placebo or inspiratory muscle strength training. Subjects in each group performed 5 min of training each day for 6 w. All subjects underwent overnight polysomnography at intake and again at study close. RESULTS We evaluated the effects of placebo training or IMT on sleep, blood pressure, and plasma catecholamines. Relative to placebo-trained subjects with OSA, subjects with OSA who performed IMT manifested reductions in systolic and diastolic blood pressures (-12.3 ± 1.6 SBP and -5.0 ± 1.3 DBP mmHg; P < 0.01); plasma norepinephrine levels (536.3 ± 56.6 versus 380.6 ± 41.2 pg/mL; P = 0.01); and registered fewer nighttime arousals and reported improved sleep (Pittsburgh Sleep Quality Index scores: 9.1 ± 0.9 versus 5.1 ± 0.7; P = 0.001). These favorable outcomes were achieved without affecting apneahypopnea index. CONCLUSIONS The results are consistent with our previously published findings in normotensive adults but further indicate that IMT can modulate blood pressure and plasma catecholamines in subjects with ongoing nighttime apnea and hypoxemia. Accordingly, we suggest IMT offers a low cost, nonpharmacologic means of improving sleep and blood pressure in patients who are intolerant of CPAP.
Collapse
Affiliation(s)
| | - E Fiona Bailey
- The University of Arizona College of Medicine, Tucson, AZ
| |
Collapse
|
8
|
Muniz de Souza H, Rocha T, Campos SL, Brandão DC, Fink JB, Aliverti A, de Andrade AD. Acute effects of different inspiratory efforts on ventilatory pattern and chest wall compartmental distribution in elderly women. Respir Physiol Neurobiol 2016; 227:27-33. [DOI: 10.1016/j.resp.2016.02.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 12/18/2015] [Accepted: 02/11/2016] [Indexed: 10/22/2022]
|
9
|
Vranish JR, Bailey EF. Daily respiratory training with large intrathoracic pressures, but not large lung volumes, lowers blood pressure in normotensive adults. Respir Physiol Neurobiol 2015; 216:63-9. [PMID: 26112283 DOI: 10.1016/j.resp.2015.06.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 05/19/2015] [Accepted: 06/04/2015] [Indexed: 01/20/2023]
Abstract
Inspiratory muscle training holds promise as a non-pharmacologic treatment that can improve respiratory muscle strength, reduce blood pressure, and improve autonomic balance in hypertensive patients. There is a gap in knowledge regarding the specific respiratory stimulus that gives rise to these favorable outcomes. We implemented five respiratory training protocols that differed in the magnitude and direction of the lung volumes and/or intrathoracic pressures generated by subjects in training. Normotensive adults were randomly assigned to each group and trained daily for 6 weeks. Pre-post and weekly measures of blood pressure showed significant declines in systolic [-8.96 mmHg (95% CI, 7.39-10.53)] and diastolic [-5.25 mmHg (95% CI, 3.67-6.83)] blood pressures for subjects who trained with large positive or negative intrathoracic pressures. Subjects who trained with modest intrathoracic pressures or large lung volumes saw no improvement in blood pressure (P > 0.3). Large intra-thoracic pressures are the specific respiratory stimulus underpinning breathing training related improvements in blood pressure.
Collapse
Affiliation(s)
- Jennifer R Vranish
- Department of Physiology, College of Medicine, University of Arizona, Tucson, AZ 85721-0093, USA
| | - E Fiona Bailey
- Department of Physiology, College of Medicine, University of Arizona, Tucson, AZ 85721-0093, USA.
| |
Collapse
|
10
|
Da Gama AEF, de Andrade Carvalho L, Feitosa LA, do Nascimento Junior JF, da Silva MGNM, Amorim CF, Aliverti A, Lambertz D, Rodrigues MAB, de Andrade AD. Acute effects of incremental inspiratory loads on compartmental chest wall volume and predominant activity frequency of inspiratory muscle. J Electromyogr Kinesiol 2013; 23:1269-77. [DOI: 10.1016/j.jelekin.2013.07.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Revised: 07/26/2013] [Accepted: 07/29/2013] [Indexed: 11/24/2022] Open
|
11
|
Coutinho Myrrha MA, Vieira DSR, Moraes KS, Lage SM, Parreira VF, Britto RR. Chest wall volumes during inspiratory loaded breathing in COPD patients. Respir Physiol Neurobiol 2013; 188:15-20. [PMID: 23628707 DOI: 10.1016/j.resp.2013.04.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Revised: 04/11/2013] [Accepted: 04/15/2013] [Indexed: 10/26/2022]
|
12
|
Cancelliero KM, Ike D, Sampaio LMM, Santos VLAD, Stirbulov R, Costa D. Estimulação diafragmática elétrica transcutânea (EDET) para fortalecimento muscular respiratório: estudo clínico controlado e randomizado. FISIOTERAPIA E PESQUISA 2012. [DOI: 10.1590/s1809-29502012000400002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
O objetivo do estudo foi demonstrar o efeito de dois protocolos da estimulação diafragmática elétrica transcutânea (EDET) sobre a força muscular respiratória de mulheres saudáveis, sendo um protocolo segundo Geddes et al. (1988) e outro padronizado pelo equipamento Phrenics. Mulheres saudáveis foram divididas em 3 grupos: Controle (n=7); EDET com Phrenics (n=7) e EDET com Dualpex (n=7), sendo o tratamento realizado 2 vezes por semana, durante 6 semanas (12 sessões). Foram avaliadas a pressão inspiratória máxima (PImáx) e pressão expiratória máxima (PEmáx), antes e após o tratamento. A análise estatística foi realizada pelo teste Shapiro-Wilk e Kruskal Wallis com pós-hoc de Dunn (p<0,05). Os dois grupos experimentais apresentaram aumento na PImáx (Phrenics: 32,9%; Dualpex: 63,2%) e na PEmáx (Phrenics: 44,7%; Dualpex: 60,9%), diferentemente do Controle que não apresentou diferença. Em conclusão, os dois protocolos de EDET promoveram aumento da força muscular inspiratória e expiratória em mulheres saudáveis.
Collapse
Affiliation(s)
| | | | | | | | | | - Dirceu Costa
- Universidade Nove de Julho (UNINOVE), Brasil; UFSCar, Brasil
| |
Collapse
|
13
|
Brandão DC, Lage SM, Britto RR, Parreira VF, de Oliveira Jr WA, Martins SM, Aliverti A, de Andrade Carvalho L, do Nascimento Junior JF, Alcoforado L, Remígio I, de Andrade AD. Chest wall regional volume in heart failure patients during inspiratory loaded breathing. Respir Physiol Neurobiol 2012; 180:269-74. [DOI: 10.1016/j.resp.2011.12.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2011] [Revised: 12/05/2011] [Accepted: 12/06/2011] [Indexed: 10/14/2022]
|