My knee hurts when I go upstairs and downstairs. I'll be fine when I go flat. There may be chondromalacia patellae. I'll teach you two tips for self-checking.

"It happened during this time, and I don't know why." Hanako sat in the orthopedic clinic and told the doctor about some strange symptoms in her leg recently.

Hanako, 4 1 year old, is an avid mountaineer. Well-off, he joined a mountaineering organization and claimed to plant the banner of the mountaineering team on the highest peak of Mount Everest. But recently, he is very upset. In the past two days, his proud legs and feet often hurt. Even when he goes upstairs and downstairs to squat normally, his knees will hurt. What puzzled him most was that walking flat didn't have that kind of pain.

"Great, let alone conquer Mount Everest. Even the stairs from the first floor to the second floor of our house are a bit suspended. " Hanako feels like crying.

The doctor read his ct report and scribbled the words "chondromalacia patellae" under the diagnosis, which made Hanako somewhat puzzled. "patella softening? Do I need more calcium to harden my bones? "

I believe that most patients have the problem of Hanako, and Xiaomiao will tell you about it.

Chondromalacia patellae sounds like patella softening, but it is not.

Patella softening is a medical term translated from English. However, due to improper translation in the early stage, people have misunderstood. If understood correctly, it should be chondromalacia patellae, indicating that there is something wrong with cartilage. Moreover, the softening here is not softening, but refers to the damage and degeneration of the cartilage under the patella.

Chondromalacia patellae mainly has congenital and acquired factors. The congenital factor is that the patella development position of some patients deviates, which leads to the patella not being in the femoral bone groove, which will produce bad friction and eventually lead to patella cartilage wear.

Among acquired factors, excessive bending of knee joint will lead to pathological changes. For example, when climbing stairs, climbing mountains and bending knees, the weight borne by patella is about 3-4 times of the whole weight. If you are a mountain climber, long-term knee flexion and cartilage wear aggravate the possibility of pathological changes.

Furthermore, if the knee joint is injured due to sports, the ligament around the joint is torn, and if the patella is not handled properly, it will also lead to wear.

In addition, if the patient's activities are reduced due to knee pain, the quadriceps brachii muscle that maintains the stability of the knee joint will contract obviously, which will further lead to the decline of the stability of the knee joint and the displacement of the patella, thus aggravating the symptoms.

Whether there are symptoms can be carried out by self-judgment and imaging examination.

Patella grinding: during self-diagnosis, you can press the patella by hand, or slide it up and down, left and right. If there is pain, friction and rubbing sound, it means chondromalacia of patella.

Or push the patella to one side and press the cartilage area at the edge of the patella with the other hand. If it hurts, it also indicates the existence of symptoms.

Squat on one leg: Stand on one leg and then squat down. If it is painful and soft, accompanied by instability, it also means that you may have this disease.

Imaging diagnosis: By taking medical photos and axial photos from different angles, we can judge whether the patella has changed or become diseased.

In terms of treatment methods, non-surgical treatment and surgical treatment can be carried out.

Non-surgical treatment

In the onset stage, if the pain is obvious, you can take analgesic and anti-inflammatory drugs, and then cooperate with physical therapy modes such as hyperthermia and ice compress to relieve the pain. Oral glucosamine can increase the synthesis of proteoglycan in cartilage, which is beneficial to cartilage repair.

Sodium hyaluronate can be injected into the joint cavity according to the course of treatment prescribed by the doctor, which is helpful to increase the lubricity and viscosity of joint fluid and relieve pain. The recovery period can be combined with the strength training of quadriceps brachialis, which is helpful to prevent muscle atrophy and maintain the stability of knee joint.

In addition, patients should avoid excessive activities, such as climbing stairs, climbing mountains and squatting.

If the effect of non-surgical treatment is not good, severe patients need surgery.

Surgical therapy

Patients with mild symptoms can undergo arthroscopic microfracture surgery. The doctor removed the damaged cartilage and then drilled a hole in the bone in the cartilage defect area. Blood oozing from bone marrow contains stem cells, which can differentiate into new cartilage.

Patients with severe symptoms and extensive wear and tear need cartilage transplantation. Usually divided into autologous cartilage transplantation, pulley replacement, cartilage stem cell transplantation.

Patients with congenital dysplasia and varus knee joint deformity can improve their symptoms through deformity correction surgery, such as reconstruction of medial patellofemoral supporting ligament or displacement of tibial tubercle.

Generally speaking, the treatment of chondromalacia patellae needs to make a reasonable treatment plan according to its own actual symptoms.

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