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Critical Reviews™ in Physical and Rehabilitation Medicine

年間 4 号発行

ISSN 印刷: 0896-2960

ISSN オンライン: 2162-6553

SJR: 0.141 SNIP: 0.129 CiteScore™:: 0.6 H-Index: 18

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Effect of Threshold Inspiratory Muscle Training on Maximal Inspiratory Pressure and Pulmonary Gas Exchange in Patients Undergoing Coronary Artery Bypass Graft Surgery

巻 28, 発行 4, 2016, pp. 249-261
DOI: 10.1615/CritRevPhysRehabilMed.2017021161
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要約

Objective. We sought to determine the effect of threshold inspiratory muscle training (IMT) on maximum inspiratory pressure (MIP), pulmonary gas exchange and atelectasis in patients undergoing coronary revascularization. Design. Overall, 33 male patients were randomly assigned into intervention group (17 patients) and control group (16 patients). Both groups received customary physical therapy care. The intervention group received threshold IMT using an inspiratory threshold-loading device preoperatively, postoperatively (for 15 minutes twice daily) and during the intensive care unit stay (30 deep breaths, twice daily) against resistance equal to 30% of MIP. The workload was increased or decreased based on the patient's perception of exertion or fatigue using the Borg CR10 scale. MIP, oxygen saturation, and atelectasis (by calculating the alveolar-arterial oxygen [A-a] gradient) were assessed perioperatively. Result. Before hospital discharge, the MIP and SpO2 in the intervention group were significantly higher in the intervention group than in the control group. In the intervention group, the A-a gradient was lower than that in the control group immediately after surgery and after 40 hours. Conclusion. IMT caused an increase in both MIP and SpO2 and a decrease in the A-a gradient, achieving an improvement in gas exchange and a reduction in atelectasis after coronary revascularization surgery.

によって引用された
  1. Amaravadi Sampath Kumar, Shah Khyati, Samuel Stephen Rajan, N Ravishankar, Effect of inspiratory muscle training on respiratory muscle strength, post-operative pulmonary complications and pulmonary function in abdominal surgery- Evidence from systematic reviews., F1000Research, 11, 2022. Crossref

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