Visiting Samsung Medical Center- Joo-Yong Han, Professor of  Cardio-Crebrovascular hospital

Acute myocardial infarction is the most critical of all heart diseases. When the blood vessels connected to the heart become narrow due to high blood pressure, hyperlipidemia, angina, etc., the heart's natural pump function weakens, and then the heart suddenly stops working and falls into an emergency.If the blocked cardiovascular system is not immediately penetrated, it can lead to brain damage, leaving fatal sequelae.Han Joo-yong, head of the Center for Angina Pectoris and Myocardial Infarction (Circulatory Internal Medicine) at Samsung Medical Center's Cardio-Cerebral Vascular Hospital, is committed to establishing a standard for cardiovascular treatment that minimizes sequelae while maximizing treatment effects.It raises the level of treatment for acute heart disease through 24-hour emergency treatment, active cardiovascular intervention, organic consultation, and systematic preventive management. It helps patients return to their full daily routine by treating them faster, safer, and better.Center director Joo-Yong Han is a “pioneer” in the field of acute heart disease treatment. I always think to derive better results through constant clinical research. “It is most important to improve treatment efficiency for the successful treatment of acute heart disease,” said Han said. He operates a rapid diagnosis and treatment system for acute heart disease, preemptively treats the surrounding blood vessels as well as the blood vessels that directly caused the problem when he conducts cardiovascular interventions, and provides the best drug administration method to reduce sequelae such as coughing and bleeding. It is a background that focuses on finding. It raises the level of domestic and foreign medical care to the next level by suggesting a new treatment standard for acute heart disease with improved treatment efficiency.

Focusing on rapid diagnosis and treatment system operation

The success or failure of treating acute heart disease such as myocardial infarction is time. Clogged blood vessels should be re-opened as quickly as possible.
At the boundary between life and death, the prognosis changes in seconds. If the diagnosis and treatment of medical staff is delayed, life becomes critical. The Center for Angina Pectoris and Myocardial Infarction, led by Center Director Joo-Yong Han, emphasizes the operation of a rapid diagnosis and treatment system for acute heart disease. A professional medical team made up of circulatory internal medicine and cardiac surgery is on duty 24 hours a day, 365 days a year, preparing for an emergency situation that may occur. In addition, even if you are not affiliated with a cardiology department specializing in cardiology, you can request emergency surgery immediately if it is judged as a cardiac emergency. This is to minimize the delay in time in an emergency situation. “Samsung Seoul Hospital aims to complete within 60 minutes from the moment we arrive at the emergency room to re-penetrate the blocked cardiovascular system,” said Han, head of the center.
This is higher than the standard (90 minutes) recommended by the American and European Cardiology Society for emergency heart treatment.

Evidence-based clinical studies cannot be left out. This is the secret that Samsung Medical Center has been regarded as a leader in the field of acute myocardial infarction treatment. Han, the head of the center said “I wanted to find a better treatment faster than anyone else and treat my patient well." Analyze which treatment is better to enable better treatment of acute myocardial infarction. As if it is safe to climb the mountain by checking the hiking trails and weather conditions in advance, it helps fast and accurate treatment through continuous research.

A representative study is a new antiplatelet dosage method published in the Journal of the American Medical Association (JAMA) last year. If a stent is inserted to widen the narrowed cardiovascular system due to angina, etc., everyone should take antithrombotic drugs that thin the blood to prevent recurrence of heart disease. Immediately after coronary stent treatment, it is common to take aspirin and two antithrombotic drugs of the P2Y12 inhibitor family for 6 to 12 months and then use only aspirin alone.

What he focused on was'what is the optimal antithrombotic dosage method that has an excellent effect on preventing acute myocardial infarction while increasing the safety of taking the drug.' Han, the head of the center said "If you take two types of antithrombotic drugs for a long time, the risk of hemorrhagic diseases such as gastrointestinal bleeding and cerebral hemorrhage increases." However, reducing the duration of taking the drug increases the risk of developing acute myocardial infarction because blood clots (blood clots) are well formed. Through a systematic comparative study, the two types of antithrombotic drugs were taken for only 3 months compared to the conventional anti-platelet method, and P2Y12 inhibitor, the latest antithrombotic drug instead of aspirin, was administered alone to prevent acute myocardial infarction. It is the first in the world to prove that it can reduce the risk of bleeding while having similar effects. In particular, it received good reviews for significantly reducing the duration of taking the drug.


Significantly shorten the duration of taking medicine and increase safety

That's not all. He said ▶To reduce the risk of recurrence of acute myocardial infarction, double antiplatelet therapy, taking both aspirin and P2y12 inhibitors, should be maintained for at least 1 year. Effective in the treatment of infarction ▶ It was the first to be identified that to increase the survival rate of patients with acute myocardial infarction, not only the causative blood vessel but also other surrounding blood vessels should be treated together. These studies have been featured in international conferences and world-renowned journals such as LANCET. It is also excellent in clinical usefulness. His acute myocardial infarction clinical study played a pivotal role in changing the actual treatment guidelines.

These efforts lead to the center's excellent therapeutic performance. Samsung Medical Center is the only hospital that recorded the first grade for five consecutive years in the acute myocardial infarction evaluation conducted by the Health Insurance Review and Assessment Service. This has the effect of saving more patients. Last year, the death rate of patients with acute myocardial infarction within 30 days revealed by Samsung Medical Center was only 1.8%. The level is low not only in Korea but also in the world. In particular, coronary artery bypass grafting, performed when stent treatment is difficult due to extensive cardiovascular blockage, is incomparable. It has operated 12 times more than the average of all medical institutions, and the mortality rate is about one-third. “The cardiac intensive care unit was dedicated to a professor who majored in intensive care medicine, and the survival rate was improved with the delicate ecmo treatment.”


How to Prepare for Acute Heart Disease as Pointed Out by Ju-Yong Han, center of director


Be aware of maintaining body temperature in winter when the temperature difference between indoor and outdoor is big
Cold windy winters threaten cardiovascular health. If you are in a warm room and then move to a cold place, the major blood vessels connected to the heart suddenly contract, causing cardiac arrest. There is also a report that acute myocardial infarction occurs most frequently in December. When you go out, wear warm clothes so that your body temperature does not drop.

Do not concern lightly through chest pain or shortness of breath
A typical symptom that occurs when the heart's pump function is deteriorating is chest pain. Surprisingly, there are many cases of complaining of difficulty breathing. It is a shortage of oxygen that is carried along with the blood and is short of breath. When walking or climbing stairs for a long time, if you are short of breath or have chest pain for more than 15 minutes, you should make sure to check your heart condition.

Tell people around you what to do in an emergency
When the heart stops and falls, there is nothing you can do on your own. The heart is fatal even if it stops for just one minute. The chances of survival vary depending on how your family, colleagues, and acquaintances deal with it. If there is a high likelihood of developing acute heart disease, inform and request actions in an emergency situation, such as performing CPR, reporting 119, and requesting a transfer medical institution.

Figure out yourself with nearby medical institutions that provide rapid cardiac treatment
Treatment of acute heart disease, such as myocardial infarction, is fast. To recover without sequelae, you need to clear the blocked blood vessels as soon as possible. However, this treatment is not possible in any hospital. Circulatory internal medicine specialists are resident, enabling rapid cardiovascular revascularization treatment, and check medical institutions close to home and work, and request transportation in case of emergency.

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