ArticleBMJ open2024
What are the risk factors for ascending aorta dilatation in the non-diabetic normotensive population? A cross-sectional study in China.
Article in BMJ open, 2024. 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
objectivesAscending aorta dilatation (AAD) has been suggested as a surrogate marker for vascular organ damage in the hypertensive population. However, limited data are available on AAD in normotensive individuals. This study aims to preliminarily explore the correlation between ascending aorta (AAO) and other established clinically significant target organ damage parameters and to investigate the possible risk factors of AAD in the non-diabetic normotensive individuals.
designOur study has a cross-sectional design.
settingAll participants were recruited from the inpatient and outpatient departments of our hospital.
participantsWe recruited 634 normotensive participants (52.26±16.22 years, 39.43% male) who underwent both ambulatory blood pressure monitoring (ABPM) and echocardiography. The whole study population was divided into AAD and non-AAD groups according to age-gender-specific criteria. The baseline mean blood pressure (BP) of the two groups was 126.92/77.72 and 124.16/77.61 mm Hg, respectively. PRIMARY AND SECONDARY OUTCOME MEASURES: The relationship between AAO and other acknowledged cardiac damage indicators, as well as the associations of AAD with ABPM indexes in the non-diabetic normotensive individuals.
resultsWe observed that AAO exhibited a significant correlation with left ventricular mass index (β=1.905, p<0.001), e' (β=-0.324, p<0.001) and E/e' (β=0.221, p<0.001). Among all the ABPM indexes, only those related to diastolic BP (DBP), specifically 24-hour DBP (OR=1.056, 95% CI 1.004 to 1.110, p<0.05) and night-time DBP (OR=1.071, 95% CI 1.011 to 1.134, p<0.05), were associated with AAD after adjustment for age, gender and other confounders. Furthermore, in the multivariate forward logistic regression analysis, night-time DBP was most strongly associated with AAD (OR=1.064, 95% CI 1.008 to 1.124, p<0.05).
conclusionsWe found that AAO was correlated with alterations in other acknowledged cardiac parameters, both structural and functional, in non-diabetic normotensive individuals, indicating AAD may be significant in these individuals. Notably, DBP, especially night-time DBP, showed a more significant correlation with AAD. TRIAL REGISTRATION NUMBER: ChiCTR2000030677.
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