Abstract
A series of 5 cases of patients in the Intensive Care Unit (ICU) undergoing measurements of Maximal Inspiratory Muscle Strength (MIP), Diaphragmatic Excursion (DE), and Diaphragm Thickening Fraction (TFdi) is described. These measurements were taken within the first 24hours of mechanical ventilation (MV) initiation and at 72hours of ventilatory support.Inspiratory Muscle Training (IMT) was applied using the Threshold IMT device (Philips Respironics Threshold IMT, Koninklijke Philips N.V.). IMT was conducted twice daily for 7 days, supervised by specialized physiotherapists, with monitoring of physiological parameters. Clinical outcomes for the 5 cases indicate a positive progression in terms of weaning from MV, improvement in muscular strength, and diaphragmatic amplitude.Aspects related to IMT, results from ultrasonographic measurements, and MIP are described. An increase in MIP was observed in 3 cases (10.5%-34.6%), while 4 cases exhibited an augmentation in TFdi and DE. These findings suggest that IMT may have positive effects on respiratory function in ICU patients.
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