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Correlation of C1q/tumor necrosis factor-related protein 1 with left ventricular hypertrophy in essential
1Department of Geriatrics, Shandong Provincial Third Hospital, Shandong University, Jinan, China.
Insights
Complement C1q/tumor necrosis factor-related protein 1 (CTRP1) is linked to left ventricular hypertrophy (LVH) in hypertension patients. Higher CTRP1 levels correlate with increased LVH severity and inflammation.
Area of Science:
- Cardiology
- Endocrinology
- Hypertension Research
Background:
- Left ventricular hypertrophy (LVH) is a significant complication of hypertension, increasing morbidity and mortality.
- The complex pathophysiology of LVH involves proinflammatory and profibrotic factors.
- Complement C1q/tumor necrosis factor-related protein 1 (CTRP1), an adipokine, is implicated in adverse cardiometabolic changes.
Purpose of the Study:
- To investigate the association between CTRP1 and LVH in patients diagnosed with essential hypertension.
- To determine if CTRP1 levels correlate with the severity of cardiac hypertrophy and inflammation in hypertensive individuals.
Main Methods:
- 360 patients with essential hypertension were categorized into groups with and without LVH.
- Plasma levels of CTRP1, adiponectin, and IL-6 were quantified using ELISA.
- Left ventricular mass index (LVMI) was assessed via echocardiography; subgroup analyses were performed based on sex and CTRP1 tertiles.
Main Results:
- Patients with LVH exhibited elevated CTRP1, IL-6, and LVMI, alongside reduced adiponectin levels compared to controls.
- CTRP1 levels showed a positive correlation with LVMI in both sexes.
- Higher CTRP1 tertiles were associated with increased systolic blood pressure (SBP), diastolic blood pressure (DBP), C-reactive protein (CRP), IL-6, and LVMI.
Conclusions:
- CTRP1 is an independent factor associated with LVH in essential hypertension.
- A dose-response relationship exists between CTRP1, cardiac hypertrophy, and inflammatory markers.
- CTRP1 may play a crucial role in the development and progression of LVH in hypertensive patients.
Background:
Left ventricular hypertrophy (LVH) is a critical complication of hypertension that correlates with increased morbimortality. Its pathophysiology is complex and multifaceted likely involving various players that are still to be determined, particularly those with proinflammatory and profibrotic effects. Complement C1q/tumour necrosis factor-related protein 1 (CTRP1) is an antihypotensive adipokine that has recently been linked to adverse cardiometabolic changes and may contribute to the development of LVH.
Objective:
To explore the relationship between CTRP1 and LVH in patients with essential hypertension.
Methods:
A total of 360 patients with mild-to-moderate essential hypertension were enrolled from Ruijin Hospital between December 2015 and November 2017. Participants were divided into two groups: those with hypertension alone (n = 183) and those with hypertension complicated by LVH (n = 177). Plasma levels of CTRP1, adiponectin, and interleukin-6 (IL-6) were measured using enzyme-linked immunosorbent assay (ELISA). The left ventricular mass index (LVMI) was calculated from echocardiographic measurements. Patients were further stratified by sex and by CTRP1 tertiles for subgroup analysis.
Results:
Patients with hypertension and LVH showed significantly higher levels of CTRP1, IL-6, and LVMI compared to those with hypertension alone. In contrast, adiponectin levels were significantly lower in the LVH group. CTRP1 levels were positively correlated with LVMI in both males and females. Furthermore, patients in the highest CTRP1 tertile exhibited progressively elevated SBP, DBP, CRP, IL-6, and LVMI. Multivariate logistic regression analysis identified CTRP1, IL-6, and adiponectin as independent factors associated with LVH.
Conclusion:
CTRP1 is independently associated with left ventricular hypertrophy in patients with essential hypertension, demonstrating a dose-response relationship with cardiac hypertrophy and inflammatory markers.
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