Total Hip Arthroplasty via the SuperPath Approach: A Major Advancement in Reducing Blood Loss and Minimizing Transfusion Risks

In past hip replacement surgeries, blood reservation was quite common. Not a few patients required blood transfusions during or after surgery due to a relatively large amount of blood loss. However, with the development of new-generation minimally invasive hip replacement techniques, especially the SuperPath technique, the narrative of blood transfusion in surgery has changed significantly.

Photo 1: Dr. Vu Anh and the surgical team during a hip replacement surgery

Why does the SuperPATH surgery help reduce blood loss?

The most important difference of SuperPath lies in the muscle-sparing approach, preserving the soft tissue structures around the hip joint to the maximum extent. Instead of cutting through muscle and tendon groups like many traditional surgical approaches, the SuperPath approach utilizes the natural intermuscular planes to access the hip joint.

When muscles are not cut, bleeding from soft tissues is almost minimized. This is one of the most important factors helping to reduce blood loss during surgery.

Not only that, the SuperPATH technique also possesses several special characteristics that help control bleeding more effectively.

A very interesting point in the SuperPath surgical procedure is that we usually perform the femoral neck cut first, rather than cutting the femoral head first as in other approaches. When we cut this way, by the time we insert the trial femoral stem before acetabular reaming, the trial stem is kept inside the femur. By nature, it also tamponades the bone vessels, leading to a significant reduction in bleeding within the femoral medullary canal. This is a very characteristic technical advantage of SuperPath that not all surgical approaches possess.

During acetabular reaming to place the artificial component, the cancellous bone surface often exhibits oozing bleeding. However, with SuperPath, the manipulation time is optimized, and once the acetabular component is placed in the correct position, the press-fit effect between the implant and the bone also contributes to natural hemostasis. As a result, bleeding from the acetabular region is controlled more effectively.

Photo 2: Small incision, muscle-sparing

Thus, we reduce the source of bleeding from muscles, from the bone marrow, and reduce the source of bleeding during acetabular reaming. It is the synergy of these three factors that helps the amount of blood loss in hip replacement surgery with the SuperPath approach decrease significantly compared to many traditional hip replacement techniques.

Most of the patients I have performed on have a very low transfusion rate, estimated at only about 1% requiring a transfusion. And normally, cases requiring blood transfusions are often related to special platelet or hematological conditions and will be anticipated by me prior to surgery for underlying medical conditions. As for patients with stable health conditions, hip replacement using the SuperPATH technique nowadays is almost no longer a surgery associated with the worry of blood loss or blood transfusions as it used to be.

An important milestone in modern hip replacement surgery

Reduced postoperative pain, early functional recovery, and preservation of natural anatomical structures are benefits frequently mentioned when discussing SuperPath. However, the ability to limit blood loss and minimize the need for blood transfusions is also one of the prominent and noteworthy advancements of this technique.

This is not just an improvement in surgical technique, but also contributes to enhancing safety, reducing the risk of complications, and helping patients recover more smoothly after hip replacement.