ArticleJournal of oral rehabilitation2026
The Association of NT-proBNP With Maximum Tongue Pressure After Cardiac Surgery: A Cross-Sectional Study.
Article in Journal of oral rehabilitation, 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
backgroundN-terminal pro-B-type natriuretic peptide (NT-proBNP) is an established biomarker for cardiac stress and is strongly linked to systemic skeletal muscle wasting. While maximum tongue pressure (MTP) serves as a critical indicator of oral functional reserve, the specific relationship between cardiac dysfunction and lingual motor function remains underexplored. This study aimed to investigate the association between NT-proBNP levels and maximum tongue pressure in patients after cardiac surgery.
methodsIn this cross-sectional study, we enrolled 488 patients who had undergone cardiac surgery. Maximum tongue pressure was measured using the TPS-100 device between 8 h and 24 h after endotracheal extubation. The association between log-transformed NT-proBNP and maximum tongue pressure was assessed using multivariable linear regression analysis adjusting for potential confounders, and subgroup analyses were performed.
resultsThe mean age was 56.7 ± 14.1 years. Multivariable analysis indicated that higher log-transformed NT-proBNP levels were significantly associated with lower maximum tongue pressure (B = -3.091, 95% CI: -5.174 to -1.008, p = 0.004). Subgroup analyses revealed significant interactions for age (p for interaction = 0.024) and intubation duration (p for interaction = 0.036); specifically, this inverse association was more pronounced in patients aged ≥ 60 years and those with prolonged endotracheal intubation.
conclusionsElevated postoperative NT-proBNP is independently associated with decreased maximum tongue pressure, particularly in older patients and those subject to prolonged intubation. Postoperative NT-proBNP monitoring may facilitate early identification of patients at risk for reduced tongue muscle strength.
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