Release date: 2006-11-24 English-developed cardiac pacemaker for severe heart disease patients with severe heart disease will be reborn! Two British scientists outside the heart jointly announced that they have developed a new type of cardiac pacemaker that can help patients with severe heart disease recover their normal heartbeat as soon as possible after a sudden onset.
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This new type of pacemaker is known as the "left ventricular assist device." Its appearance is very ordinary, like a gyro. There is a long thin Tube at the top of the gyro that is connected to the blood vessel. Patients with pacemakers need to carry a battery and an external controller with them to continuously power the pacemaker. Margaret Jacobs, a cardiac surgery specialist from the Royal Brompton Hospital, and Emma Burkes of Imperial College London are the inventors of this device.
At present, in Europe and the United States, heart disease is one of the main causes of sudden death. In the United States alone, there are more than 550,000 new cases of heart disease each year, and more than 5 million people have different degrees of heart disease. For the prevention and treatment of heart disease, the most headache for researchers is how to make the patient's heart resume work as soon as possible after pausing the beat. Currently, in order to save the lives of these patients, cardiac pacemakers are widely used in addition to heart transplant surgery. However, the original pacemaker is not effective for patients with severe heart disease.
Two researchers say that a new pacemaker can solve this problem well. "After implantation in the human body, it can relieve the pressure on the heart and push the blood into the human artery. In addition, we load the appropriate drug on the pacemaker, which can continue to supply the drug to the patient, and the dose is constant. Tests have shown that This method can reduce the sudden rate of serious heart disease by more than 20%," Emma Burkes said.
Robert Graham, a patient with severe heart disease, is one of the lucky ones to undergo clinical trials. In an interview, he said: "Before installing a new pacemaker, the doctor concluded that I only had a few weeks of life. But I have lived for a few more years now. This thing has some shortcomings, such as a heavy weight, carry it with you. It is inconvenient."
It is understood that the new cardiac pacemaker is not suitable for all severe patients. In the early stages of clinical trials, 27 patients were scheduled to have a new pacemaker. However, two of the patients had their own myocardial necrosis, and three others were infected with the virus and died shortly after installation. The remaining 22 people are currently in the recovery phase, and 6 patients have started working normally. According to Margaret Jacobs, a total of about $120,000 is currently required for surgical implantation of a new cardiac pacemaker. As technology matures, costs will be significantly reduced for more patients.
—— Information from: China Economic Net
British development of cardiac pacemakers for patients with severe heart disease