Andrew L. Merritt, MD — Orthopedic Surgery | Sports Medicine
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Surgery guides, physical therapy, and post-op instructions

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Surgery guidePost-op instructionsPT protocolHome exercises / preventionInjectionsPatient guide

ACL Injury, Surgery and Prevention

6 surgeries · non-surgical options

The ACL is the knee's main stabilizer against twisting. Whether you choose reconstruction, repair, or a non-surgical path, the first weeks are about calming the knee and restoring motion and quad strength.

Learn more: ACL injury and reconstruction · BEAR ACL repair · LET (ACL+)

Without surgery

ACL tear: before surgery or without surgery
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Surgeries

ACL reconstruction + meniscus repair (weight-bearing allowed)ACL Reconstruction with Meniscus Repair
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ACL reconstruction + meniscus root repair (no weight-bearing)ACL Reconstruction with Meniscus Root Repair
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BEAR ACL repair + meniscus repair (weight-bearing allowed)BEAR ACL Repair with Meniscus Repair
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BEAR ACL repair + meniscus root repair (no weight-bearing)BEAR ACL Repair with Meniscus Root Repair
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MCL Injury and Surgery

1 surgery · non-surgical options

Most MCL sprains heal without surgery in a hinged brace with early motion; reconstruction is reserved for complete tears that stay loose.

Learn more: MCL injuries

Without surgery

Surgeries

LCL Injury and Surgery

1 surgery

The outer-side ligaments stabilize the knee against bowing and rotation; higher-grade injuries are reconstructed, often alongside other ligament surgery.

Learn more: LCL injuries

Surgeries

PCL Injury and Surgery

1 surgery · non-surgical options

Isolated PCL sprains are usually treated in a brace with therapy; reconstruction is considered for higher-grade or combined injuries.

Learn more: PCL injuries

Without surgery

PCL injury
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Surgeries

Meniscus Tears and Surgery

3 surgeries · non-surgical options

The meniscus is the knee's shock absorber. Some tears settle down without surgery; others are trimmed or repaired, and the repair type decides how quickly you can bear weight.

Learn more: Meniscus repair · Meniscus root repair · Meniscectomy

Without surgery

Meniscus tear
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Surgeries

Meniscus repair (weight-bearing allowed)Meniscus Repair
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Meniscus root repair (no weight-bearing)Meniscus Root or Radial Repair
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Knee Arthroscopy (Small Scope / Loose Body / Debridement)

1 surgery

Knee arthroscopy is a small-incision camera procedure to clean up the joint: remove a loose body or scar tissue, smooth frayed cartilage, or trim an irritated plica. Recovery is quick, with weight-bearing right away and a short course of therapy.

Surgeries

Knee scope: cleanup and small proceduresKnee Arthroscopy
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Cartilage - MACI

6 surgeries

A focal cartilage defect is a pothole in an otherwise healthy joint surface. Depending on size and location, it can be resurfaced with a donor graft (OCA) or your own grown cells (MACI), often with an alignment correction.

Learn more: Cartilage repair and restoration

Surgeries

MACI cartilage repair: Femoral Condyle - SmallMACI Cartilage Repair (Small Lesion)
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MACI cartilage repair: Femoral Condyle - LargeMACI Cartilage Repair (Large Lesion)
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MACI cartilage repair: Patella or TrochleaMACI Cartilage Repair of the Kneecap or Trochlea
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MACI cartilage repair: Patella or Trochlea with TTOMACI Kneecap Cartilage Repair with Tibial Tubercle Osteotomy
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MACI cartilage repair: Femoral Condyle with HTOMACI Cartilage Repair with High Tibial Osteotomy
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MACI cartilage repair: Femoral Condyle with DFOMACI Cartilage Repair with Distal Femoral Osteotomy
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Cartilage - Osteochondral Allograft

6 surgeries

A focal cartilage defect is a pothole in an otherwise healthy joint surface. Depending on size and location, it can be resurfaced with a donor graft (OCA) or your own grown cells (MACI), often with an alignment correction.

Learn more: Cartilage repair and restoration

Surgeries

Cartilage graft / fixation: Femoral CondyleOsteochondral Allograft of the Femoral Condyle
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Cartilage graft / fixation: Patella or TrochleaOsteochondral Allograft of the Kneecap or Trochlea
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Cartilage graft / fixation: Patella or Trochlea with TTOOsteochondral Allograft of the Kneecap with Tibial Tubercle Osteotomy
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Cartilage graft / fixation + ACL reconstructionOsteochondral Allograft with ACL Reconstruction
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Cartilage graft / fixation: Femoral Condyle with HTOOsteochondral Allograft with High Tibial Osteotomy
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Cartilage graft / fixation: Femoral Condyle with DFOOsteochondral Allograft with Distal Femoral Osteotomy
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Alignment / Osteotomy

5 surgeries

When the leg's alignment overloads one side of the knee, an osteotomy shifts weight to the healthy side and protects cartilage repairs or delays arthritis.

Learn more: Alignment / osteotomy

Surgeries

Patella Instability, Injuries, and Pain

9 surgeries · non-surgical options

Problems at the front of the knee range from kneecap pain and tendonitis, which respond to a focused strengthening program, to dislocations, tendon ruptures and fractures that may need surgery to restore a stable, well-tracking kneecap.

Learn more: Patella dislocation and instability · Patellar and quad tendon tears · Patella fractures

Without surgery

Patellar instability / dislocation
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Patellofemoral pain (kneecap pain)
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Patellar / quad tendonitis (jumper's knee)
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Osgood-Schlatter / Sinding-Larsen-Johansson
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Surgeries

MPFL Reconstruction with Patellar Tendon Imbrication
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MPFL Reconstruction with Tibial Tubercle Osteotomy
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Knee Arthritis and Replacement

3 surgeries · non-surgical options

Arthritis means the smooth cartilage surface of the knee has worn. Most people do well for years with the right non-surgical plan, and knee replacement is there when the knee, not the calendar, says it is time.

Learn more: Knee arthritis and total knee replacement · Partial knee replacement · Total knee outcomes · Partial knee outcomes

Without surgery

Surgeries

Medial or Lateral Partial Knee ReplacementPartial Knee Replacement
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Patellofemoral Joint Partial Knee ReplacementPatellofemoral (Kneecap) Replacement
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Hip Arthritis and Replacement

1 surgery · non-surgical options

Hip arthritis is wear of the cartilage in the ball-and-socket joint. Activity, strength and weight work go a long way, and an anterior hip replacement is a reliable option when pain limits your life.

Learn more: Hip arthritis and replacement · Nonoperative hip arthritis care · Total hip outcomes

Without surgery

Surgeries

Trauma and Fractures

3 surgeries

Fractures that are well aligned often heal in a sling or brace; displaced fractures of the collarbone or kneecap are fixed surgically so the bone heals in the right position and motion can start early.

Learn more: Clavicle fracture

Surgeries

Tendon, Muscle and Bursitis Pain

8 conditions

Common sports and overuse problems around the knee and hip. Most get better with a focused home exercise program.

Documents

IT band syndrome
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Pes anserine bursitis
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Hip sprain / FAI (impingement)
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Trochanteric bursitis (lateral hip pain)
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Hamstring strain
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High hamstring tendinopathy
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Groin strain (adductor)
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Hip flexor tendinopathy
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These documents are general information for Dr. Merritt's patients and their physical therapists. They are not a substitute for the instructions you receive at your visit; if anything here differs from what your care team told you, follow your care team. For urgent problems after surgery, call the clinic; for an emergency, call 911.