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The purpose of this study was to determine the effects of combining proprioceptive neuromuscular facilitation (PNF) with threshold inspiratory muscle training (TIMT), compared with TIMT alone, on respiratory function in neurocritical patients who experienced a weaning failure. Forty-seven participants (mostly after a stroke), were randomly divided into the experimental group ( n = 24) and the control group ( n = 23). The control group received usual care and TIMT, whereas the experimental group, in addition, underwent four 90-s periods of manual PNF. Both groups performed training in the ICU twice a day for 5 consecutive days. The main outcome measures included maximum inspiratory pressure, diaphragmatic excursions, diaphragm thickening fraction, oxygenation index, and forced expiratory volume in 1 s/forced vital capacity. The results showed a significant group-by-time interaction effect for maximum inspiratory pressure F (1, 45) = 17.84, η 2 = 0.328, P < 0.001 and oxygenation index F [1, 45) = 5.58, η 2 = 0.11, P = 0.023. When compared with the control group, the experimental group showed overall significantly higher maximum inspiratory pressure mean difference = 4.37 cm H 2 O, 95% confidence interval (CI) 0.25–8.50, P = 0.038. No other significant group differences were found. Combining PNF with TIMT may improve respiratory function in neurocritical patients with weaning failure. This combination approach may increase the likelihood of survival of neurocritical patients in the ICU.
Zhou et al. (Thu,) studied this question.
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