Inspiratory muscle training with SpiroTiger-MEDICAL® in patients with diaphragmatic dysfunction
C. Crimi (Catania, Italy), R. Campisi (Catania, Italy), T. Augelletti (Catania, Italy), E. Heffler (Milan, Italy), A. Ragusa (Catania, Italy), N. Crimi (Catania, Italy)
Source: International Congress 2018 – Pulmonary rehabilitation: exercise training, body composition, physical activity and other aspects
Disease area: Respiratory critical care
Abstract Introduction: Diaphragmatic dysfunction (DD) is a frequently underdiagnosed condition mainly secondary to traumas or surgery that determines a restrictive syndrome with a decrease in vital capacity and it is often associated to respiratory symptoms, exercise intolerance and sleep disturbances. Inspiratory muscle training (IMT) is a technique used to increase strength or endurance of the diaphragm and accessory muscles of inspiration. Isocapnic hyperpnea is a type of IMT training approach that requires people to ventilate at a high proportion of their maximum voluntary ventilation for a fixed period.
Aim: To evaluate the effects of a 4-weeks isocapnic hyperpnea training (ST-MEDICAL device) on lung function, dyspnea, exercise capacity and diaphragm motility and thickness.
Materials and methods: 10 patients with DD were enrolled. Spirometry and maximal inspiratory pressure (MIP), 6-minute walking test (6MWT) and diaphragm ultrasound were performed. METs were measured by Armband for 3 days. Patients started a 4-weeks training with ST-MEDICAL and were re-assessed after training.
Results: Significant effects of ST-MEDICAL training were observed on MIP (7±3.12 vs. 8.9±2.7 cmH2O, P=0.005), modified Medical Research Council (mMRC) (2.7±0.86 vs. 1±0.5, P=0.001) and distance at 6MWT (357.5±5.1 vs. 412.5±8, P<0.05) between pre- and post- treatment. A trend in improvement of diaphragm excursion and thickness was also noted but it did not reach a statistical significance. No statistical significance for METs measured by Armband.
Conclusions: IMT with ST-MEDICAL elicits positive changes in terms of MIP and dyspnea but not significant changes in diaphragm thickness and motility in patients with DD.
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C. Crimi (Catania, Italy), R. Campisi (Catania, Italy), T. Augelletti (Catania, Italy), E. Heffler (Milan, Italy), A. Ragusa (Catania, Italy), N. Crimi (Catania, Italy). Inspiratory muscle training with SpiroTiger-MEDICAL® in patients with diaphragmatic dysfunction. 4127
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