Assumes that cholesterol reduction of about 20 in patients with total cholesterol 5. High and low cardiovascular risk charts based on gender age total cholesterol systolic blood pressure and smoking status with relative risk chart qualifiers and instructions.
The new zealand guidelines for the assessment and management of cardiovascular risk1 2 use an adjusted version of the framingham equation 8 to assess 5 year cvd risk.
Cardiovascular risk screening nz. Cardiovascular risk screening nz. This free online tool works best for people aged 30 75. Figure 1 new zealand cardiovascular risk charts risk level for women and men 5 year cardiovascular disease cvd risk fatal and non fatal mild 5 10 2 5 5 2 5 high moderate 15 20 very high 10 15 30 25 30 20 25.
The two main reasons for a 5 year period are that. The equation uses six variables to estimate risk including age sex whether the person has diabetes or not smoking status systolic blood pressure and serum total cholesterol to hdl cholesterol ratio. This update addresses questions and management issues for clinicians working in primary care.
New cvdra equations will be available in 2014. A cardiovascular disease risk assessment cvdra steering group was established to provide an update to the cvdra component of the. More people are surviving acute cardiac events and there have been advances in preventing and treating cvd.
However it is still responsible for 40 percent of deaths often premature and preventable in new zealand. Cardiovascular disease cvd risk assessment and management for people aged 30 to 74 years without prior cvd is now based on new five year cvd risk prediction equations from the new zealand predict study to be known as the nz primary prevention equations. Cells with this marker indicate that in patients with very high levels of total cholesterol about 8 5 9 mmol l or blood pressure about 170 100 mmhg the risk equations may underestimate the true risk.
Morbidity and mortality from cardiovascular disease cvd continues to be one of the largest burdens of disease for new zealanders. Most randomised controlled trials of cvd preventive medications are based on five years of treatment or less and therefore the best estimates of treatment benefits are over five rather than 10 years. New zealand primary care handbook 2012.
New zealand cardiovascular risk calculator. Cardiovascular risk assessment in new zealand has until now been based on the framingham cardiovascular risk charts. Coronary heart disease and stroke is the number 1 cause of death in nz with 1 in 20 adults diagnosed 1.
These were developed in the 1960s and 1970s from the framingham cohort study in the united states and allow clinicians to calculate a patient s future risk of cardiovascular disease by taking into account factors such as blood pressure cholesterol levels and smoking status. There are separate equations for people with and without diabetes. It is designed for kiwis as it is based on new zealand data.
It can estimate your heart age compared to your actual age as well as giving you an estimate of your risk of having a heart attack or stroke in the next 5 years. New zealand has always used a 5 year risk period in cvd assessment equations.