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Inspiratory Muscle Training: A Review of the Evidence

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1.  When should Inspiratory Muscle Training (IMT) be avoided based on patient desaturation levels? Desaturation during or following IMT less than 94% Asthma patients with low symptom perception Patients with worsening heart failure signs and symptoms after IMT use Marked osteoporosis with a history of rib fractures

2.  Which group of patients is at risk for respiratory muscle weakness and may benefit from IMT? Patients with COPD, CHF, and those in the ICU Patients with marked osteoporosis and a history of rib fractures Patients with a ruptured eardrum or other ear conditions Patients with active cold, sinusitis, or respiratory tract infection

3.  What did the 2023 systematic review and meta-analysis conclude about the effect of IMT? No impact on Maximal Inspiratory Pressure (MIP) Decreased exercise capacity and healthcare use Unclear evidence supporting the use of IMT for dyspnea reduction Significant increase in Maximal Inspiratory Pressure (MIP)

4.  What did a systematic review of IMT in Interstitial Lung Disease (ILD) suggest? Positive effects on respiratory muscle function, quality of life, exercise capacity, and dyspnea No significant effect on respiratory muscle function Decreased exercise capacity and quality of life Limited evidence on the benefits of IMT in ILD

5.  What percentage of Maximal Inspiratory Pressure (MIP) is suggested for the IMT protocol? 20% MIP 30% MIP 40% MIP 50% MIP