Key result
Elevated C-reactive protein linked to ~5-fold higher risk of hypertensive cardiopathy in stage 1 hypertension.
Why the study?
Do non-hemodynamic risk factors such as elevated C-reactive protein and microalbuminuria increase the risk of developing hypertensive cardiopathy in patients with stage 1 arterial hypertension?
Cohort (n=1,118)
No
Do non-hemodynamic risk factors such as elevated C-reactive protein and microalbuminuria increase the risk of developing hypertensive cardiopathy in patients with stage 1 arterial hypertension?
Non-hemodynamic factors—particularly systemic inflammation (CRP >4 mg/L), microalbuminuria, and dyslipidemia—independently drive the development of hypertensive cardiopathy despite protocolized blood pressure management, enabling high-accuracy risk prediction (AUC 0.887).
Answers are grounded in this paper and cite their sources.
May support CRP inclusion in stage 1 hypertension risk models; leaves open whether targeting inflammation alters cardiopathy progression.
Introduction: Hypertensive cardiopathy is the target organ lesion caused by arterial hypertension (HTN) that exhibits the highest morbidity and mortality rates. Although the importance of hemodynamic overload exerted by HTN on the onset of cardiopathy is well established, several non-hemodynamic factors may contribute significantly to its development. Objective: To evaluate the influence of different non-hemodynamic risk factors in the development of hypertensive cardiopathy. Methods: A prospective cohort study was carried out in hypertensive patients assisted at the specialized arterial hypertension physicians’ office of the “Carlos Manuel de Céspedes” Specialty Policlinic attached to the General University Hospital, Bayamo Municipality, Granma Province, Cuba from January 5, 2006 to December 31, 2015. The study included 18-to-55-year-old hypertensive patients with a stage 1 arterial hypertension diagnosis for less than a year1. Results: The multivariate analysis showed a significant and independent relation among the majority of the factors studied and the risk of developing cardiopathy. The major factor was C-reactive protein (HR: 5.020; IC 95%: 3.383-7,448; p<0.005) followed by microalbuminuria (HR: 2.649; IC 95%: 1.932-3.631; p<0.005). The area under the model ROC curve was 0.887 (p<0,005). Conclusions: The results showed that it is possible to estimate the risk of developing hypertensive cardiopathy with the application of the regression model to major risk factors.
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Alexis Álvarez Aliaga (2017) conducted a cohort in Stage 1 arterial hypertension without baseline hypertensive cardiopathy (n=1,118). Non-hemodynamic cardiovascular risk factors (primary multivariable predictor: C-reactive protein >4 mg/L) vs. Absence of respective non-hemodynamic risk factors (e.g., C-reactive protein ≤4 mg/L) was evaluated on Onset of hypertensive cardiopathy (echocardiographic LVH, systolic or diastolic ventricular dysfunction, or persistent/permanent atrial fibrillation) (HR 5.020, 95% CI 3.383-7.448, p=<0.005). Elevated C-reactive protein was the strongest independent predictor of developing hypertensive cardiopathy in stage 1 hypertensive patients.
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