What is Open Surgery?
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What is Minimally Invasive Surgery?
In minimally invasive surgery, various techniques are used by the surgeon in order to cause lesser damage to the body compared to open surgery. As a result,minimally invasive surgeryhas lesser pain and shorter recovery period.
For minimally invasive knee replacement surgery, the surgical method is almost the same as the open surgery. However, lesser number of muscles, tendons and soft tissues are cut. An incision of around 4-6 inches is made in front part of the knee, which account for less tissue disturbance.
The implants used are same as that used for open surgery. However, special surgical instruments are used to prepare the bones and to place the implants at its place.
The techniques used to open the knee, also, are less invasive. The technique most commonly used is known as “quadriceps sparing”. This technique avoids trauma to the quadriceps muscles and tendons in the front of the thigh. Other techniques that can be used are midvastus and subvastus. All the above techniques are less invasive compared to the traditional open surgery.
As, the minimally invasive technique has smaller incision and causes lesser damage to the muscles; the healing time for the surgery wound is considerably reduced. The risk of infection after the surgery is also minimized. The post surgery pain is also reduced to a great extent.
Thus, minimally invasive knee replacement surgery, provide the patient quicker and more comfortable recovery.
Minimally Invasive Surgery v/s Traditional Open Surgery
Conditions required for Minimally Invasive SurgeryAlthough minimally invasive technique has many benefits, it is not suitable for everyone. People, who are overweight or those who are very muscular, are not suitable for a minimally invasive knee replacement surgery. In addition, patients who have already gone through a knee surgery earlier or have a significant deformity of the knee are also not considered for minimally invasive technique. Typically people who are thinner, younger and more active are good candidates for a minimally invasive surgery.
Risks and Complication in Minimally Invasive Surgery
Minimally invasive surgery has smaller incision which results in reducing the risks compared to an open surgery. But, the risks like infection, wound healing problem, nerve injury and improper positioning of implants, still exists. Another risk with minimally invasive technique is that, if after making the small incision for this technique the surgeon is not able to do the replacement procedures properly, the surgeon may have to go for an open surgery. In such a case pain, recovery time and risk of infection increases considerably.