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The correct answer is A – Stage A or at risk for HF.
This asymptomatic patient with no evidence of structural heart disease or positive cardiac biomarkers for stretch or injury would be classified as Stage A or “at risk” for HF.
The ACC/AHA stages of HF emphasize the development and progression of disease with specific therapeutic interventions at each stage. Advanced stages and disease progression are associated with reduced survival. The stages were revised in this edition of guidelines to emphasize new terminologies of “at risk” for Stage A and “pre-HF” for Stage B.
At Stage A, emphasis is placed on the prevention of structural heart disease by aggressive risk factor modification. Healthy lifestyle habits, including regular physical activity, maintaining a normal weight, healthy dietary habits, and avoiding smoking, help reduce the future risk of HF.
For patients with established hypertension, coronary disease, or diabetes, optimal control of risk factors is crucial.
For hypertension, the SPRINT trial and subsequent meta-analysis of 35 BP-lowering trials have demonstrated a substantial reduction in incident HF and mortality with aggressive BP control.
For diabetes, SGLT2 inhibitors have demonstrated reductions in HF hospitalizations regardless of baseline HF status.
Screening patients “at risk” for HF for disease progression may be beneficial. The STOP-HF study randomized patients with risk factors but without established LV systolic dysfunction or symptomatic HF to screening with BNP testing or usual care. Screening with BNP followed by an echocardiogram and referral to a cardiovascular specialist for those with levels ≥50 pg/mL led to a reduction in the composite endpoint of incident asymptomatic LV dysfunction with or without newly diagnosed HF. Accordingly, BNP or NT–proBNP–based screening followed by team-based care, including a cardiovascular specialist, has a Class 2a (LOE B-R) recommendation in patients at risk of developing HF to prevent the development of LV dysfunction or new-onset HF.
Our patients should be counseled on healthy lifestyles, smoking cessation, and weight loss. Her anti-hypertensive regimen should be intensified for blood pressure optimization. Her ASCVD risk should be calculated, and counseling regarding statin use should be provided accordingly. If she develops overt diabetes, she should be started on an SGLT-2 inhibitor. Given her BNP level, she does not currently warrant further evaluation with an echocardiogram or referral to a specialist.
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