Noninvasive assessment of neuromechanical coupling and mechanical efficiency of parasternal intercostal muscle during inspiratory threshold loading
| Autor: | Manuel Lozano-Garcia, John Moxham, Raimon Jane, Abel Torres, Gerrard F. Rafferty, Caroline J. Jolley, Luis Estrada-Petrocelli |
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| Přispěvatelé: | Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial, Universitat Politècnica de Catalunya. BIOSPIN - Biomedical Signal Processing and Interpretation |
| Rok vydání: | 2021 |
| Předmět: |
inspiratory threshold loading
Informàtica::Automàtica i control [Àrees temàtiques de la UPC] Electromiografia Intercostal Muscles Electromyography 030204 cardiovascular system & hematology lcsh:Chemical technology Biochemistry Analytical Chemistry 0302 clinical medicine lcsh:TP1-1185 Surface electromyography Instrumentation Diafragma (Anatomia) medicine.diagnostic_test Músculs respiratoris respiratory pressure Inspiratory muscle Atomic and Molecular Physics and Optics Inspiratory threshold loading Healthy Volunteers Diaphragm (structural system) neuromechanical coupling medicine.anatomical_structure Parasternal line Mouth pressure Neuromechanical coupling parasternal intercostal muscles Respiratory pressure Diaphragm Parasternal intercostal muscles Respiratory physiology surface electromyography Article 03 medical and health sciences Respiratory muscles medicine Humans Electrical and Electronic Engineering Surface mechanomyography business.industry Sensors Coupling (electronics) 030228 respiratory system surface mechanomyography Respiratory Mechanics business Biomedical engineering Intercostal muscle |
| Zdroj: | Dipòsit Digital de la UB Universidad de Barcelona Sensors (Basel, Switzerland) Sensors Volume 21 Issue 5 Sensors, Vol 21, Iss 1781, p 1781 (2021) UPCommons. Portal del coneixement obert de la UPC Universitat Politècnica de Catalunya (UPC) |
| Popis: | This study aims to investigate noninvasive indices of neuromechanical coupling (NMC) and mechanical efficiency (MEff) of parasternal intercostal muscles. Gold standard assessment of diaphragm NMC requires using invasive techniques, limiting the utility of this procedure. Noninvasive NMC indices of parasternal intercostal muscles can be calculated using surface mechanomyography (sMMGpara) and electromyography (sEMGpara). However, the use of sMMGpara as an inspiratory muscle mechanical output measure, and the relationships between sMMGpara, sEMGpara, and simultaneous invasive and noninvasive pressure measurements have not previously been evaluated. sEMGpara, sMMGpara, and both invasive and noninvasive measurements of pressures were recorded in twelve healthy subjects during an inspiratory loading protocol. The ratios of sMMGpara to sEMGpara, which provided muscle-specific noninvasive NMC indices of parasternal intercostal muscles, showed nonsignificant changes with increasing load, since the relationships between sMMGpara and sEMGpara were linear (R2 = 0.85 (0.75–0.9)). The ratios of mouth pressure (Pmo) to sEMGpara and sMMGpara were also proposed as noninvasive indices of parasternal intercostal muscle NMC and MEff, respectively. These indices, similar to the analogous indices calculated using invasive transdiaphragmatic and esophageal pressures, showed nonsignificant changes during threshold loading, since the relationships between Pmo and both sEMGpara (R2 = 0.84 (0.77–0.93)) and sMMGpara (R2 = 0.89 (0.85–0.91)) were linear. The proposed noninvasive NMC and MEff indices of parasternal intercostal muscles may be of potential clinical value, particularly for the regular assessment of patients with disordered respiratory mechanics using noninvasive wearable and wireless devices. |
| Databáze: | OpenAIRE |
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