Key result
The prevalence of electrocardiographic left ventricular hypertrophy in a rural Thai community was 6.6%, and hypertensive crisis was strongly associated with the condition (AOR 7.24).
Why the study?
Left ventricular hypertrophy is a life-threatening condition normally diagnosed in office settings, but its prevalence and associated factors among adults in rural Thai communities were unknown.
Cross-Sectional (n=638)
No
ECG-LVH is present in 6.6% of adults in rural Thailand and is strongly associated with male sex, diabetes, and severe hypertension, highlighting the need for community-level screening and blood pressure control.
ECG-LVH may support targeted screening in rural hypertensives; cross-sectional data leaves open outcome benefits and causal inference.
Left ventricular hypertrophy (LVH) is considered a cardiac condition with life-threatening complications. Detected LVH is a strong predictor of cardiovascular diseases and death. This condition is normally diagnosed at offices. We aimed to determine the prevalence and associated factors of electrocardiographic-LVH (ECG-LVH) among adults in a Thai rural community. A cross-sectional study was conducted in Na-Yao rural community of Thailand in 2020. A total of 638 individuals aged ≥ 20 years were interviewed using standardized structured questionnaires related to demographic information, risk behaviors, comorbidities and anthropometric measurements. LVH was determined by Sokolov-Lyon and Cornell criteria based on the collected electrocardiograms. The prevalence of ECG-LVH among adults was 6.6%. The factors independently associated with ECG-LVH were being male (AORs 2.04, 95% CI 1.05-3.98), history of diabetes mellitus (AORs 1.01, 95% CI 1.01-1.02), and hypertensive crisis ≥ 180/110 mmHg (AORs 7.24, 95% CI 1.31-39.92). However, resting heart rate was negatively associated with ECG-LVH (p < 0.05). Our data emphasized that LVH was one of the significant health problems among adults in a rural community. This condition could lead to severe complications. Thus, effective detection and public health interventions should be provided at the community level.
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Viwatrangkul et al. (2021) conducted a cross-sectional in Electrocardiographic left ventricular hypertrophy (n=638). Hypertensive crisis (≥ 180/110 mmHg) vs. Blood pressure < 180/110 mmHg was evaluated on Presence of electrocardiographic left ventricular hypertrophy (ECG-LVH) (AOR 7.24, 95% CI 1.31-39.92, p=0.023). The prevalence of electrocardiographic left ventricular hypertrophy in a rural Thai community was 6.6%, and hypertensive crisis was strongly associated with the condition (AOR 7.24).
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