Inspiratory Muscle Training in Weaning

"Protocol of inspiratory muscle training using threshold IMT®: After the MIP was measured, inspiratory muscle training was initiated. The Threshold-IMT® device of a linear pressure load produces a resistance to inspiration through the use of a flow-independent one-way valve. During expiration there is no resistance because the unidirectional valve opens, while during inspiration the valve closes, becoming hard due to the resistance of the spring. The suggested protocol was: initial load of 30% of the M24, increasing daily by 10%, with training for five minutes, twice a day, seven times a week in the period from the beginning of the weaning from the MV until the extubation of the patient.~An essential factor was the use of supplemental oxygen (O2) as needed by the patient. The patients were in DD with fowler 45º."