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ACL Reconstruction

ACL Reconstruction: Modified Maquet Procedure for Tibial Tuberosity Advancement (MMP TTA)

MMP TTA, or Modified Maquet Procedure for Tibial Tuberosity Advancement, is an advanced orthopedic surgery for dogs which treats a cranial cruciate ligament rupture in the knee joint of dogs. This is an alternative procedure to the TPLO surgery, which is performed by a general practitioner. For this reason, MMP TTA surgery tends to be a less expensive ACL Reconstruction procedure for dogs. The MMP TTA surgery has a similar long term outcome as the TPLO surgery but does have a higher risk of complications. It is therefore important for patients to be evaluated to determine if they are a good fit for MMP TTA surgery.

The MMP TTA surgery utilizes a titanium foam implant to advance the tibial crest and pull the head of the femur back into proper position. The titanium foam implant is porous and encourages bone growth into the implant. The joint is not explored which leads to faster weight bearing and less postoperative pain for your pet. In approximately 4-6 weeks the bone fills into the implant enough to stabilize the repair. Especially in very active pets, the MMP TTA procedure may develop more complications than a TPLO surgery. We recommend a full 8 weeks of strict cage rest and leash walks to ensure that no complications develop! Dr. Rebecca Hansen of Willowrun Veterinary Hospital has completed advanced training courses to perform the MMP TTA Surgery for dogs with a torn cruciate ligament in Smithfield, North Carolina. Dr. Hansen is happy to accept referrals or new clients for this procedure.

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ACL Reconstruction: Tibial Plateau Leveling Osteotomy (TPLO)

The TPLO ACL Reconstruction surgery, or Tibial Plateau Leveling Osteotomy, is the gold standard and best option for treatment of ACL tears in dogs because of its excellent results and lowest complication rate. Best performed by a boarded orthopedic surgeon, the TPLO surgery tends to be the most expensive surgical option.

TPLO surgery levels the top of the tibia, creating a stable surface for the femur and eliminating the sliding action which causes damage to the joint. To accomplish leveling of the tibia, the top of the tibia is cut, re-aligned, and a metal plate is placed and held in position with very strong bone screws. During TPLO surgery, the joint is explored so that the torn ligament and meniscus, if damaged, will be trimmed or removed if necessary. In approximately 8 weeks, bone fills in the implant enough to stabilize the repair.

In comparison to the TTA ACL Reconstruction, TPLO procedure is less prone to complications in very active pets because it is a very strong repair. Regardless, a full 8 weeks of strict cage rest and leash walks is still necessary to ensure that no complications develop!

Willowrun Veterinary Hospital works with a board-certified veterinary orthopedic surgeon from Tarheel Veterinary Surgical Specialists that travels to our clinic in Smithfield, North Carolina, to offer this procedure to our patients. Our veterinarians and staff will be with you every step of the way during your pet's post operative care. Willowrun Veterinary Hospital is happy to accept referrals or new clients for this procedure.

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