1. Acute effects of different inspiratory efforts on ventilatory pattern and chest wall compartmental distribution in elderly women
- Author
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James B Fink, Andrea Aliverti, Armèle Dornelas de Andrade, Daniella Cunha Brandão, Shirley Lima Campos, Taciano Rocha, and Helga De Souza
- Subjects
Pulmonary and Respiratory Medicine ,medicine.medical_specialty ,Aging ,Physiology ,Respiratory mechanics ,Physiological ,Neuroscience(all) ,Respiratory physiology ,03 medical and health sciences ,Young Adult ,0302 clinical medicine ,Internal medicine ,Abdomen ,medicine ,Tidal Volume ,Plethysmograph ,Humans ,Breathing pattern ,Opto-electronic plethysmography ,Adaptation, Physiological ,Aged ,Biomechanical Phenomena ,Cross-Sectional Studies ,Female ,Inhalation ,Plethysmography ,Rib Cage ,Neuroscience (all) ,Adaptation ,Young adult ,Tidal volume ,Rib cage ,Muscle fatigue ,business.industry ,General Neuroscience ,Surgery ,medicine.anatomical_structure ,030228 respiratory system ,Cardiology ,business ,030217 neurology & neurosurgery - Abstract
It is not completely described how aging affect ventilatory kinematics and what are the mechanisms adopted by the elderly population to overcome these structural modifications. Given this, the aim was to evaluate the acute effects of different inspiratory efforts on ventilatory pattern and chest wall compartmental distribution in elderly women. Variables assessed included: tidal volume (Vt), total chest wall volume (Vcw), pulmonary rib cage (Vrcp%), abdominal rib cage (Vrca%) and abdominal compartment (Vab%) relative contributions to tidal volume. These variables were assessed during quiet breathing, maximal inspiratory pressure maneuver (MIP), and moderate inspiratory resistance (MIR; i.e., 40% of MIP). 22 young women (age: 23.9 ± 2.5 years) and 22 elderly women (age: 68.2 ± 5.0 years) participated to this study. It was possible to show that during quiet breathing, Vab% was predominant in elderly (p
- Published
- 2015