Minimally invasive hip replacement is a technique or medical approach used to perform hip replacement surgeries with a smaller or very little surgical cut. At the same time, fewer muscles around the hip are being cut or detached.

Description:
Minimally invasive surgery is a general term that shows the picture of several variations of existing available surgeries. Minimally invasive techniques are such designed to minimise the tissue trauma associated along with hip replacement. The operation is done with only smaller incisions.Thus, less trauma to the tissues directly results in very less post-operative discomfort and quicker recovery.
Usually, minimally invasive surgery simply means performing a big operation through a small incision. In other words, the deep tissue and muscle damage is often unchanged, but the physical appearance of the scar is comparitively smaller. Surgeons who typically perform at least 100 hip replacement procedures every year are most able to adopt minimally invasive surgery. They always tends to progressively shorten the incision and at the same time keeping the procedure the same. Using special instruments, the surgeon can shorten the incision of a standard hip replacement from 8-12 inches to about 4 inches. And results in shorter stay or two days in the hospital.

Types of Hip Replacement:

Traditional Hip Replacement
Traditional hip replacement surgery involves making a 10- to 12-inch incision on the side of the hip. The muscles are split or detached from the hip, allowing the hip to be dislocated.
Once the joint has been opened up and the joint surfaces exposed, the surgeon removes the ball at the top of the thighbone, or femur. The hip socket is prepared by removing any remaining cartilage and some of the surrounding bone. A cup-shaped implant is then pressed into the bone of the hip socket. It may be secured with screws. A smooth plastic bearing surface is then inserted into the implant so the joint can move freely.
Next, the femur is prepared. A metal stem is placed into the femur to a depth of about 6 inches. The stem implant is either fixed with bone cement or is implanted without cement. Cement less implants have a rough, porous surface. It allows bone to adhere to the implant to hold it in place. A metallic ball is then placed on the top of the stem. The ball-and-socket joint is recreated.
Minimally Invasive Hip Replacement
Minimally invasive hip replacement surgery allows the surgeon to perform the hip replacement through one or two smaller incisions.
Candidates for minimal incision procedures are typically thinner, younger, healthier, and more motivated to have a quick recovery compared with patients who undergo the traditional surgery.
Before you decide to have a minimally invasive hip replacement, get a thorough evaluation from your surgeon. Discuss with him or her the risks and benefits. Both traditional and minimally invasive hip replacement procedures are technically demanding. They require that the surgeon and operating team have considerable experience.
Technique

The artificial implants meant for the minimally invasive hip replacement procedures are the same as those used for traditional hip replacement. Specially designed instruments are needed to prepare the socket and femur and to place the implants properly.
The surgical procedure is similar, but there is less soft-tissue dissection. A single minimally invasive hip incision may measure only 3 to 6 inches. It depends on the size of the patient and the difficulty of the procedure.
The incision is usually placed over the outside of the hip. The muscles and tendons are split or detached, but to a lesser extent than in the traditional hip replacement operation. They are routinely repaired after the surgeon places the implants. This encourages healing and helps prevent dislocation of the hip.
Two-incision hip replacement involves making a 2- to 3-inch incision over the groin for placement of the socket. A 1- to 2-inch incision is made over the buttock for placement of the stem.
To perform the two-incision procedure, the surgeon may need guidance from X-rays. It may take much longer to perform this surgery than it does to perform traditional hip replacement surgery.
Advantages and benefits
Reported benefits of less invasive hip replacement include:
* Less pain
* More cosmetic incisions
* Less muscle damage
* Rehabilitation is faster
* Hospital stays are shorter
For traditional hip replacement, hospital stays average 4 to 5 days. Many patients need extensive rehabilitation afterward. With less-invasive procedures, the hospital stay may be as short as 1 or 2 days. Some patients can go home the day of surgery.
Early studies suggest that minimally invasive hip replacement surgery streamlines the recovery process, but the risks or shortcomings and long-term benefits of less-invasive techniques have not yet been documented.

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