Correlation Between Ultrasound-Derived Diaphragmatic Thickness, Inspiratory Muscle Strength and Peak Expiratory Flow in Institutionalized Older Adults: A Cross-Sectional Exploratory Study

Background

Diaphragm thickness may affect both inspiratory and expiratory function. The ultrasound assessment of diaphragm thickness could be a valuable tool for respiratory muscle evaluation in older adults, although additional research is needed to clarify its association with respiratory functional parameters.

Objectives

The primary objective was to explore the relationship between diaphragm thickness (DT), maximal inspiratory pressure (MIP), and peak expiratory flow (PEF) in institutionalized older adults. A secondary objective was to compare MIP and PEF values between participants with normal and thin diaphragm thickness.

Methods