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Cardiovascular Risk – Causes, Factors & Prevention

Cardiovascular risk describes the likelihood of developing heart and vascular diseases. Key risk factors include high blood pressure, elevated blood lipids, smoking, and diabetes.

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Things worth knowing about "Cardiovascular Risk"

Cardiovascular risk describes the likelihood of developing heart and vascular diseases. Key risk factors include high blood pressure, elevated blood lipids, smoking, and diabetes.

What Is Cardiovascular Risk?

Cardiovascular risk refers to the probability that a person will develop a disease affecting the heart or blood vessels within a defined period of time. Common conditions include heart attack, stroke, heart failure, and peripheral arterial disease. Assessing this risk is a cornerstone of preventive medicine, enabling early identification and treatment of at-risk individuals.

Risk Factors

Cardiovascular risk factors are categorized as modifiable (changeable) or non-modifiable (fixed).

Non-Modifiable Risk Factors

Age: Risk increases progressively with age.
Sex: Men generally face a higher risk than pre-menopausal women.
Genetic predisposition: A family history of heart disease elevates individual risk.
Ethnicity: Certain population groups carry a higher baseline risk.

Modifiable Risk Factors

High blood pressure (hypertension): Chronically elevated pressure damages vessel walls over time.
Elevated blood lipids (dyslipidaemia): High LDL cholesterol promotes plaque buildup in arteries (atherosclerosis).
Diabetes mellitus: Persistently high blood glucose damages blood vessels and nerves.
Smoking: Tobacco use is one of the most significant preventable risk factors.
Obesity and overweight: Visceral fat (abdominal fat) promotes systemic inflammation and metabolic disorders.
Physical inactivity: Lack of exercise substantially increases the risk of cardiovascular events.
Unhealthy diet: Diets high in saturated fats, sugar, and salt simultaneously worsen multiple risk factors.
Chronic stress: Long-term psychosocial stress triggers hormonal and inflammatory pathways that strain the heart.

Diagnosis and Risk Assessment

Several validated tools are available to clinicians for estimating cardiovascular risk. In Europe, the SCORE2 algorithm (Systematic COronary Risk Estimation 2), developed by the European Society of Cardiology (ESC), is widely used. It calculates the 10-year risk of fatal and non-fatal cardiovascular events based on:

Age and sex
Systolic blood pressure
Total cholesterol or non-HDL cholesterol
Smoking status

Additional assessments may include laboratory markers such as high-sensitivity CRP (hsCRP), HbA1c (long-term blood glucose), and kidney function values, as well as imaging techniques like the coronary artery calcium (CAC) score or carotid intima-media thickness (cIMT) to further stratify risk.

Prevention and Treatment

Cardiovascular risk can be substantially reduced through targeted interventions. Treatment is tailored to the individual overall risk profile and encompasses both lifestyle modifications and pharmacological therapy.

Lifestyle Modifications

Regular physical activity (at least 150 minutes of moderate aerobic exercise per week)
Heart-healthy diet (e.g., Mediterranean diet)
Smoking cessation
Weight loss in cases of overweight or obesity
Limiting alcohol consumption
Stress management and adequate sleep

Pharmacological Treatment

Statins: Proven to lower LDL cholesterol and reduce the risk of cardiovascular events.
Antihypertensives: Blood pressure-lowering agents including ACE inhibitors, beta-blockers, and calcium channel blockers.
Antidiabetic agents: Newer drug classes such as SGLT2 inhibitors and GLP-1 receptor agonists have demonstrated additional cardioprotective effects.
Antiplatelet therapy: For example, aspirin (ASA) in patients with established heart disease.

Importance of Early Detection

Early identification of risk factors allows preventive measures to be taken before clinical damage occurs. Regular check-ups with a general practitioner are strongly recommended. Many national health systems offer periodic cardiovascular health screenings that assess key risk parameters, enabling timely and effective intervention.

References

Visseren F.L.J. et al. - 2021 ESC Guidelines on cardiovascular disease prevention in clinical practice. European Heart Journal, 2021. doi: 10.1093/eurheartj/ehab484
World Health Organization (WHO) - Cardiovascular diseases (CVDs): Key Facts. WHO, 2021. https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds)
Piepoli M.F. et al. - 2016 European Guidelines on cardiovascular disease prevention in clinical practice. European Heart Journal, 2016. doi: 10.1093/eurheartj/ehw106

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