Association Between Functional Polymorphisms of Renin-Angiotensin System, Left Ventricular Mass, and Geometry Over 4 Years in a Healthy Chinese Population Aged 60 Years and Older
Background. Cross-sectional studies investigated the impact of renin-angiotensin system (RAS) gene polymorphism on left ventricular mass index (LVMI) with conflicting results. We conducted a longitudinal study to investigate the influence of the angiotensin-converting enzyme (ACE) insertion/deletion...
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Veröffentlicht in: | The journals of gerontology. Series A, Biological sciences and medical sciences Biological sciences and medical sciences, 2007-10, Vol.62 (10), p.1157-1163 |
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Sprache: | eng |
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Zusammenfassung: | Background. Cross-sectional studies investigated the impact of renin-angiotensin system (RAS) gene polymorphism on left ventricular mass index (LVMI) with conflicting results. We conducted a longitudinal study to investigate the influence of the angiotensin-converting enzyme (ACE) insertion/deletion (I/D) and angiotensinogen (AGT) M235T and angiotensin II type 1 receptor (AT1R) A1166C gene polymorphisms on the LVMI and geometry. Methods. Of 1500 people screened, 110 nondiabetic normotensive elderly Chinese persons were recruited and received echocardiography at baseline and at the 2nd and 4th year follow-up. No participants had a history of organic heart disease or chronic medication. The gene polymorphisms were analyzed by using polymerase chain reaction. Results. Participant age was 71.9 ± 3.9 years (range 60–81 years). The prevalence of concentric remodeling, eccentric hypertrophy, and concentric hypertrophy was significantly increased as well as LVMI after 4 years (all p |
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ISSN: | 1079-5006 1758-535X |
DOI: | 10.1093/gerona/62.10.1157 |