How to recognize the causes, triggers, precursors and symptoms of various diseases? Where should I go for medical treatment? Where to find experts for difficult diseases? In order to better serve the general public, and also to recommend to patients those “famous doctors” with high professional ethics, exquisite medical technology, and recognized by the public peers, so that patients can seek medical treatment in a timely manner and enjoy a healthy life by relieving their pain as soon as possible. This issue we opened the “famous hospital famous doctor” column to build a bridge between doctors and patients, regularly launched a high visibility and exquisite medical skills of famous doctors, for typical cases, typical symptoms to analyze and explain, authoritatively explain the optimal latest treatment methods. I hope this column can help you do not go home will know all Bincheng famous doctors, without going home that is to understand the first-hand information, to avoid blindly asking around the pain of seeking medical care, easily have a healthy life. This year, the 50-year-old Zhang Da Ma has suffered from knee arthritis for several years, listening to neighbors say that the more painful arthritis is, the more you have to move, and the more you move, the better. So after she retired, she practiced taijiquan every morning. When the weather turned warm, she went hiking with her companions, but to her surprise, the day after she returned from the hike, Zhang’s knee joint couldn’t move at all. The director of the orthopedic department of Dalian Central Hospital, Bi Wei, told reporters that knee osteoarthritis is a common disease in the elderly, the survey shows that the incidence of knee osteoarthritis in the elderly over 55 years old is more than 60%, knee osteoarthritis is often manifested as knee pain, swelling, etc., the wrong way to exercise often aggravate the disease, and eventually lead to dysfunction. Recently, we have been seeing more than a dozen patients a day with knee osteoarthritis attacks or exacerbations due to excessive outdoor activities such as mountain climbing. Doctors warn: knee arthritis patients should not be blindly active As the standard of living continues to improve and an aging society comes into being, more and more people complain of joint discomfort. We often hear from elderly people who say, “My knee hurts whether I go up or down the stairs or walk on a flat road, and it is difficult to go out and walk around.” The pain in my knee joint is so bad that it has become deformed. Director Bi Wei said that osteoarthritis of the knee is a chronic disease, the early stage may be asymptomatic, then gradually appear pain, stiffness, pain is often accompanied by changes in the posture of daily life, such as squatting, turning, standing up after sitting, up and down the stairs pain is more obvious. The stiffness and pain are relieved after a few moments of activity, but when the activity is strenuous, the leg feels uncomfortable again. When the disease continues to develop until the joint cartilage disappears and the subchondral bone is exposed, the pain becomes persistent, and the pain is felt even when walking on a flat surface, and when sleeping at night, the leg feels inappropriate wherever you put it, and sometimes you are awakened by pain after sleeping. This indicates that the condition is more serious and should be examined and treated in a hospital in time. In fact, patients with knee osteoarthritis should not be inactive, but they should not be blindly active, and they should not tolerate painful activities. Excessive activity can lead to joint strain, and too little activity can lead to bone and muscle atrophy. Older people with knee joint pathology should avoid climbing mountains, stairs and Tai Chi to prevent overloading the knee joint and aggravating the condition. Director Bi Wei said that patients with knee arthritis can choose exercises that are lighter on the knee joint such as swimming, walking and cycling as appropriate. In addition, try not to get injured or cold, take calcium supplements in moderation, use knee pads, wear flat-heeled shoes, and lose weight if you are obese. Once pain and swelling occur, patients should go to the hospital for prompt treatment to relieve symptoms. Mild to moderate knee osteoarthritis is the best time for treatment, but in advanced stages when dysfunction occurs, artificial knee replacement is needed. With the improvement of joint surgery technology, artificial knee replacement has become the most definitive and reliable method of treating advanced knee arthritis internationally. It fundamentally relieves the patient of long-term knee pain and dysfunction, restores normal knee function, and improves quality of life. Treatment options: Artificial knee replacement is painless and quick to recover “Many people find it hard to accept joint replacement when they hear about it. It’s always a misconception that my knee joint is no longer working.” Director Bi Wei told the reporter that although the original knee joint is your own, it has reached the end of its life span and not only has it lost its proper function, but it is causing you discomfort and pain. Just like a bad tooth that makes you hurt so you can’t eat, so why not pull it out why not replace it with a false tooth? In other words, why not replace a broken knee joint with a new one? In the United States, the entire population is about 230 million, but 400,000 artificial knee replacements are performed each year, which means that as the entire society improves economically and people’s awareness changes, artificial knee replacements will be as common as replacing dentures. Because the entire operation time (skin incision to suture) is about 60 minutes, the bleeding during the whole treatment is about 140-200 ml, and most of the patients do not need blood transfusion, which means that the “no blood transfusion technique” minimizes the trauma of the operation. Pain, especially post-operative pain, is an important reason why knee replacement surgery is rejected by patients. Director Bi Wei said, “We use a cocktail of local closed injections, and more than 90 percent of patients tell us, “I don’t feel much pain after the surgery” or “a little soreness”. After awakening from the anesthesia, the patient was able to lift the leg and walk on the ground after the second day of surgery by flexing to more than 90°, and the patient was able to walk on the second day of surgery without any fluids. Under normal circumstances, the postoperative stay in the hospital is about 3 to 5 days. The vast majority of patients can return to a normal state in about 3 months after regular rehabilitation exercises under the guidance of the doctor.