Integrated Lung, Diaphragm and Lower Limb Muscular Ultrasound: Clinical Correlations in Geriatric Patients with Acute Respiratory Illness.

Frailty was not related to diaphragm excursion at T0, whereas a decreasing trend of diaphragm excursion on maximal voluntary inspiration ( p for trend = 0.019) and delta between maximal voluntary inspiration and quiet breathing ( p for trend = 0.007) could be identified for increasing categories of PC-FI at T1 ( Figure 3 ).

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