ArticleClinical cardiology2026
The Role of Inspiratory Muscle Strength in Functional Capacity and Left Atrial Strain in Patients With Heart Failure With Mildly Reduced and Preserved Ejection Fraction.
Article in Clinical cardiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesThis study aimed to explore the correlation among inspiratory muscle strength, left atrial strain reservoir (LAsr), and functional capacity in patients with heart failure with preserved and mildly reduced ejection fractions (HFpEF and HFmrEF).
methodsThis cross-sectional study enrolled 40 patients with HFpEF and HFmrEF. Regression analyses were conducted at both univariate and multivariate levels to explore the relationships between maximal inspiratory pressure (MIP), peak oxygen consumption (pVO
resultsMIP significantly correlated with pVO
conclusionsMIP is a significant predictor of exercise capacity in HFpEF and HFmrEF; however, its relationship with LAsr was influenced by confounding factors. It is essential to address inspiratory muscle weakness for effective management of patients with HFpEF and HFmrEF.
trial registrationThis trial was registered in the Thai Clinical Trials Registry (https://www.thaiclinicaltrials.org/) under the trial ID TCTR20231121001.
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