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Pain after partial knee replacement

Persistent pain after partial knee replacement deserves a focused diagnosis.

Pain after partial knee replacement can come from arthritis progression, loosening, infection concern, malalignment, instability, stiffness, soft tissue pain, or pain from another source.

Practical guidance

Revision should not be the first assumption. The first step is to understand why the partial knee is painful.

01

Review the original operation

Operative notes, implant details, old X-rays, and the initial arthritis pattern help frame the problem.

02

Look for progression or failure

New X-rays, labs, exam, and sometimes additional imaging can help identify arthritis progression, loosening, or infection concern.

03

Choose the right correction

Some patients need nonsurgical care, some need conversion to total knee replacement, and some need a different diagnosis entirely.

When to slow down or call

Recovery guidance should make warning signs easier to recognize.

Increasing swelling, redness, fever, drainage, or severe pain should be reported
Instability or new inability to bear weight needs urgent guidance
Bring implant records when possible
Do not assume every painful partial knee needs immediate revision

Need a plan for your case?

A guide is helpful. A diagnosis makes it personal.

Bring your symptoms, imaging, prior treatment, and goals into a focused visit so the next step fits your body and your life.

Written for patients by the practice

Orthopedic guidance should be clear enough to help you make a real decision.

Dr. Paul Norio Morton created Joint Replacement Hawaii to help patients understand hip pain, knee pain, arthritis, sports injuries, robotic joint replacement, revision surgery, injections, and recovery before they come in for a visit.

Recognition

Awards, focused training, and Hawaii-specific care planning help patients compare trust before they schedule.

US News High Performing in Hip and Knee Replacement
2025 Top Doctors
Best of West 2023
40 Under 40
First Hawaii orthopedic surgeon fellowship-trained in robotic joint replacement
ACGME-accredited fellowship training in hip and knee replacements
Minimally invasive, muscle-sparing approaches when appropriate
Concierge-style coordination for travel and neighbor island patients
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