Platelet Rich Plasma Therapy

During the past several years, much has been written about a preparation called platelet-rich plasma (PRP) and its potential effectiveness in the treatment of injuries.

Many famous athletes — Tiger Woods, tennis star Rafael Nadal, and several others — have received PRP for various problems, such as sprained knees and chronic tendon injuries. These types of conditions have typically been treated with medications, physical therapy, or even surgery. Some athletes have credited PRP with their being able to return more quickly to competition.

Even though PRP has received extensive publicity, there are still lingering questions about it, such as:

  • What exactly is platelet-rich plasma?
  • How does it work?
  • What conditions are being treated with PRP?
  • Is PRP treatment effective?

What Is Platelet-rich Plasma (PRP)?


Although blood is mainly a liquid (called plasma), it also contains small solid components (red cells, white cells, and platelets.) Red blood cells pick up oxygen, which the body needs, from your lungs. White blood cells help your body to fight disease. Platelets are tiny bits of cells that plug up a wound. The platelets are best known for their importance in clotting blood. However, platelets also contain hundreds of proteins called growth factors which are very important in the healing of injuries.

PRP is plasma with many more platelets than what is typically found in blood. The concentration of platelets — and, thereby, the concentration of growth factors — can be 5 to 10 times greater (or richer) than usual.

To develop a PRP preparation, blood must first be drawn from a patient. The platelets are separated from other blood cells and their concentration is increased during a process called centrifugation. Then the increased concentration of platelets is combined with the remaining blood.

Platelet Rich Plasma

Platelet Rich Plasma

How Does PRP Work?


Studies have shown that the increased concentration of growth factors in PRP can potentially speed up the healing process.

To speed healing, the injury site is treated with the PRP preparation. This can be done in one of two ways:

  • PRP can be carefully injected into the injured area. For example, in Achilles tendonitis, a condition commonly seen in runners and tennis players, the heel cord can become swollen, inflamed, and painful. A mixture of PRP and local anesthetic can be injected directly into this inflamed tissue. Afterwards, the pain at the area of injection may actually increase for the first week or two, and it may be several weeks before the patient feels a beneficial effect.
  • PRP may also be used to improve healing after surgery for some injuries. For example, an athlete with a completely torn heel cord may require surgery to repair the tendon. Healing of the torn tendon can possibly be improved by treating the injured area with PRP during surgery. This is done by preparing the PRP in a special way that allows it to actually be stitched into torn tissues.

What Conditions are Treated with PRP? Is It Effective?


Research studies are currently being conducted to evaluate the effectiveness of PRP treatment. At this time, the results of these studies are inconclusive because the effectiveness of PRP therapy can vary. Factors that can influence the effectiveness of PRP treatment include:

  • The area of the body being treated
  • The overall health of the patient
  • Whether the injury is acute (such as from a fall) or chronic (an injury developing over time)

Chronic Tendon Injuries

According to the research studies currently reported, PRP is most effective in the treatment of chronic tendon injuries, especially tennis elbow, a very common injury of the tendons on the outside of the elbow.

The use of PRP for other chronic tendon injuries — such as chronic Achilles tendonitis or inflammation of the patellar tendon at the knee (jumper’s knee) is promising. However, it is difficult to say at this time that PRP therapy is any more effective than traditional treatment of these problems.

Acute Ligament and Muscle Injuries

Much of the publicity PRP therapy has received has been about the treatment of acute sports injuries, such as ligament and muscle injuries. PRP has been used to treat professional athletes with common sports injuries like pulled hamstring muscles in the thigh and knee sprains. There is no definitive scientific evidence, however, that PRP therapy actually improves the healing process in these types of injuries.

Conclusion


Treatment with platelet-rich plasma holds great promise. The risks associated with it are minimal.

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Call (+65) 6471 2674 (24 hrs) for any queries you may have.

  1. Sushant says:

    HI Doc.

    Wanted to check, my friend had TB (Bone)in the right hip few years back and was treated. But still sometimes there is a replapse of the same. She suffers severe pain in the infected area and sometimes she also can’t walk properly. Although, doc claims the TB has been fully treated but still the pain persist. Doc in India have recommended PRP and hip replacement as a soljution to this problem. Wanted to check if PRP can be one of the solutions for the same. please advise.
    Sushant

  2. Richard says:

    Dear Dr Yip,

    I tore the ACL in my right knee in Novemeber. I chose to treat it conservativelly and have made signifcant progress with the help of an excellent Ostepoath. The problem appears to be centered on a tendon that may have torn at the time of the injury.

    I am though aware that there is still some way to go. I am involved in the Health Industry snd frequently visit Singpaore

    May I enquire as to

    1. the likely cost of treating my right knee
    2. the notice you would require,
    3. the time it would take to perform a treatment on the knee.

    Thank you in advance

    Kind Regards

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