Article ; Online: Advanced echocardiography techniques (AETs) to assess left atrial structure and function in individuals with resistant hypertension.
Echocardiography (Mount Kisco, N.Y.)
2023 Volume 40, Issue 8, Page(s) 792–801
Abstract: Aims: Resistant hypertension (RH) is a challenging phenotype within the hypertension (HTN) spectrum, requiring careful assessment and follow-up. Evaluation of left atrial function may be clinically informative, but is usually neglected. Advanced ... ...
| Abstract | Aims: Resistant hypertension (RH) is a challenging phenotype within the hypertension (HTN) spectrum, requiring careful assessment and follow-up. Evaluation of left atrial function may be clinically informative, but is usually neglected. Advanced Echocardiography Techniques (AETs), such as Strain Analysis and three-dimensional echocardiography (3D ECHO) may be useful complementary tools to assess atrial function in patients with RH. Methods and results: Ninety-six eligible adult patients were categorized into three groups: resistant hypertensive (RH), controlled hypertensive (CH), and normotensive (N), and underwent AETs to identify morphofunctional changes in the left atrium (LA) across different HTN phenotypes. The LA reservoir strain was significantly lower among RH than in N and CH patients (p < .001). Accordingly, LA conduit strain showed a gradient through the groups: higher among N, followed by CH and RH patients (p = .015). LA contraction strain was higher among CH than in N and RH patients (p = .02). Maximum indexed, pre-A, and minimum atrial volumes obtained by 3D ECHO showed differences between N and the others (p < .001), but not between CH and RH. N patients showed a higher fraction of passive emptying of the LA than the others (p = .02), with no difference between CH and RH. Total emptying of the LA only differed between N and RH patients, while active emptying of the LA showed no difference between the groups (p = .82). Conclusion: The left atrium may present early functional changes in response to HTN, which are detectable by AETs. AETs, especially S-LA, allowed to identify markers of atrial myocardial damage in both RH and CH patients. |
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| MeSH term(s) | Humans ; Atrial Fibrillation ; Echocardiography/methods ; Hypertension/complications ; Hypertension/diagnostic imaging ; Heart Atria/diagnostic imaging ; Echocardiography, Three-Dimensional |
| Language | English |
| Publishing date | 2023-07-03 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 843645-9 |
| ISSN | 1540-8175 ; 0742-2822 |
| ISSN (online) | 1540-8175 |
| ISSN | 0742-2822 |
| DOI | 10.1111/echo.15646 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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