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Korea University Anam Hospital research team publishes results of analysis of 2.8 million people in international academic journal

“When systolic blood pressure rises by 40 mmHg over two years, the risk of cardiac arrest increases by 88%.”

sudden cardiac arrest

sudden cardiac arrest

(Seoul = Larose.VIP) Reporter Kim Gil-won = It is a well-known fact that high blood pressure increases the incidence of cardiovascular complications such as myocardial infarction, atrial fibrillation, stroke, and acute cardiac arrest.

In a domestic study, it was found that patients with high blood pressure had a 65.4% higher risk of sudden cardiac arrest compared to people without hypertension. In addition, prehypertension was also a factor that increased the risk of sudden cardiac arrest by 21.3%.

However, new research results have shown that even if the patient does not have high blood pressure, rapid fluctuations in blood pressure over a certain period of time alone increase the risk of sudden cardiac arrest.

The research team led by Professor Kim Yun-ki and Choi Jong-il of the Department of Cardiology at Korea University Anam Hospital analyzed 2,801,153 people who took the national health check-up between 2009 and 2011 and could be followed up until 2018, and confirmed this relationship between blood pressure variability and sudden cardiac arrest. It was announced on the 17th that it was done.

The results of this study were published in the latest issue of the international academic journal ‘Scientific Reports’.

In this study, the risk of future sudden cardiac arrest in people whose systolic blood pressure increased by more than 40 mmHg over two years (2009 to 2011) was estimated to be 88% higher than in people whose blood pressure did not change during the same period.

Additionally, even when diastolic blood pressure increased by 25 mmHg, the risk of sudden cardiac arrest increased by 61%.

The research team analyzed that there was a linear relationship between the degree of increase in blood pressure and the risk of sudden cardiac death. This means that the more a person’s blood pressure increases over two years, the greater the risk of sudden cardiac death.

What is noteworthy is that even if blood pressure temporarily lowered again, the risk of sudden cardiac arrest did not decrease.

Regarding this, the research team explained, “It can be assumed that if the cardiovascular system is damaged due to a sudden rise in blood pressure, it becomes an irreversible situation in which it cannot be restored to its original state to some extent even if blood pressure drops thereafter.”

blood pressure measurement

blood pressure measurement

The number of patients with acute cardiac arrest in Korea is increasing every year.

According to statistical data compiled by the Korea Disease Control and Prevention Agency, a total of 17,668 acute cardiac arrest patients occurred in Korea in the first half of 2022 alone. The number of acute cardiac arrest patients, which has been hovering around 30,000 per year, is expected to increase significantly.

Among these, only 7.3% of patients were discharged alive (survival rate). Of the patients who suddenly collapsed and were taken to the hospital, only about 7 out of 100 survived. On the other hand, only 4.6% of patients were discharged after recovering their brain function to the point where they could perform daily activities.

Experts consider blood pressure management to be the most important factor affecting sudden cardiac arrest. If you are diagnosed with high blood pressure, you should lower your blood pressure through early medication and improve your diet.

It is also very important in managing high blood pressure that patients record their blood pressure measurements at home and consult with their medical staff.

The Korean Society of Hypertension recommends measuring twice a day: in the morning (before taking medication or eating) and in the evening (before going to bed). After going to the bathroom, you must rest for 5 minutes before measuring, and smoking and consuming caffeine are prohibited within 30 minutes before measurement.

Also, when measuring blood pressure, you should sit with your back on a chair and wear a cuff around your upper arm at the level of your heart. All measurements should be recorded in your blood pressure notebook.

Professor Choi Jong-il said, “It is important to perform CPR as a follow-up measure as soon as possible on patients who have collapsed due to sudden cardiac arrest, but what is needed more than anything is primary prevention efforts,” adding, “Maintain appropriate blood pressure as well as high blood pressure through regular blood pressure management.” “Only by making efforts can we prevent sudden death due to sudden cardiac arrest,” he emphasized.

bio@yna.co.kr

Report to KakaoTalk okjebo 2024/02/17 07:00 Sent

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