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Kenai Peninsula

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Your specialists offer a wide range of injection procedures which are used to treat many extremity conditions. Most of these injections are done with ultrasound guidance, which improves the accuracy of the injection and increases patient comfort. Injectable products include cortisone (steroid) , hyaluronic acid , and several different “biologicals.”

Cortisone (steroid)

Cortisone (steroid) is still used as a potent locally-injected anti-inflammatory. It is used to treat a variety of inflammatory and pain conditions. Our providers use cortisone injections much less frequently than in the past, due to the advent of other, more biological injectables.

Hyaluronic acid (viscosupplementation)

Hyaluronic acid (viscosupplementation) is often used for the treatment of arthritic joints. The medication is injected once, or as a series of several injections into painful, arthritic joints, usually with ultrasound guidance. There are many brands of the medication including Euflexxa, Synvisc, and Gel-One.

PRP (platelet-rich plasma)

PRP (platelet-rich plasma) is considered a type of “biological”, a substance injected to stimulate the patient’s own healing response. The procedure is accomplished by first obtaining a small sample of blood from the patient’s arm and processing it to harvest the plasma which is rich with the patient’s own platelets and array of growth factors. This “platelet rich plasma” is then injected into a site on the extremity (joint or soft-tissue structure such as tendon, ligament, muscle) to initiate a robust healing response. The injections are used to treat a variety of conditions, including arthritis, tendonitis, as well as acute injuries such as joint sprains and tendon/ligament injuries.


AmnioFix is a commercially available source of stem cells. The stem cells are harvested from placenta lining tissue, processed, sterilized, and dehydrated. The substance is considered an “allograft”, which means it is a tissue harvested from another individual. AmnioFix is considered another type of “biological”, like PRP, but it does not require a blood draw from the patient. It is used for similar conditions as PRP.

Contact Us Today!

Kenai Peninsula Orthopaedics

Henry Krull, M.D.
Edwin Vyhmeister, M.D.

291 North Fireweed
Soldotna, Alaska 99669
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(907) 262-6454

(907) 262-0832