What complications can patella fracture cause

summary

Patella is the largest sesamoid bone in human body. The anterior part of the patella is covered by the membrane of quadriceps femoris, and extends downward to form the patellar ligament, ending in the embryonic bone tubercle. Both sides are paraskeletal membrane. The posterior part is articular cartilage surface, which forms skeletal joint with femoral skin surface. The patella and its surrounding ligaments and aponeurosis form the secondary knee apparatus, which is a very important structure in lower limb activities. Violence acts directly on the patella, such as kneeling on the ground when you fall, which leads to a direct impact of the patella on the ground and fracture.

What complications can patella fracture cause

First, due to the strong traction of muscles, such as falling, in order to prevent falling to the ground, quadriceps femoris violently contracts to maintain body stability and tear patella. Direct violence often leads to comminuted bone fracture; muscle driving violence often leads to transverse patellar fracture. According to the position of the injury and the tension of the muscle, the fracture can occur in the upper pole, middle part and lower pole of the patella.

Second: however, there are many complications of patella, which are mainly divided into early complications and late complications. In the early stage, traumatic shock usually occurs. If severe femoral shaft fracture occurs, internal bleeding is likely to occur, and it can reach 500-1000 ml or more.

Third: post traumatic pain stimulation, shock may occur in the early stage. Therefore, the general principle of early treatment is early fixation, reducing internal bleeding, expanding blood volume and relieving pain, and active anti shock treatment. There is also the possibility of crush syndrome, there is also the possibility of vascular and nerve injury, there is also the possibility of fat embolism and other complications.

matters needing attention

For the complications of patellar fracture, it can be divided into early stage and late stage. Generally, the early stage is traumatic shock, crush syndrome, vascular nerve injury, and fat embolism.