Bring a timeline, not just a pain score
Write down when the replacement was performed, whether the knee ever felt comfortable and when the current symptoms began. Describe changes in swelling, stability, motion and walking tolerance. Pain that has never improved and pain that develops after a good interval can lead to different questions.
Ask the clinician what possible causes need to be separated. Implant loosening, wear, instability, stiffness and infection are among the problems considered in revision evaluation. The first goal is a reasoned explanation of the problem—not automatically a date for another operation.
Gather records that prevent guesswork
Request the original operative report, implant details, earlier and current X-rays, prior test results and records of any additional procedures. If infection testing or antibiotic treatment has occurred, include dates and results. Your therapy record can also help explain how motion and function changed.
Bring a short account of what the first surgeon has explained and the questions still unresolved. A second opinion works best when it can compare the available information rather than starting from memory. Ask the receiving office which images it can open and how to transfer them before the appointment.
Understand what the next test will answer
A revision assessment may involve blood tests, joint fluid testing or additional imaging, depending on the suspected cause. Ask what each test can establish, what an uncertain result would mean and how it would affect the recommendation.
Infection deserves particular attention because it changes the treatment pathway. New drainage, increasing redness, rapidly worsening swelling or fever should be reported promptly to the surgical team. Do not wait for a routine second-opinion appointment to ask about a concerning new change.
Sources: AAOS OrthoInfo: Revision Total Knee Replacement · AAHKS: Infection and Your Knee Replacement
Ask how revision differs from the first replacement
Revision may replace one component or several, and it can require specialized implants or reconstruction of supporting bone. Removing an implant and managing scar tissue create a different operation from an initial knee replacement. Ask exactly which problem the proposed revision would correct.
Discuss the chance of persistent pain, infection, stiffness and further surgery in your circumstances. Ask what would make the surgeon advise against revision. An honest explanation includes what the operation may not solve, particularly if the source of pain remains uncertain.
Sources: AAHKS: Revision Knee Replacement
Reset the recovery discussion
Do not assume that the rehabilitation or weightbearing plan from your first replacement will apply again. Restrictions depend on what must be reconstructed and the condition of the supporting tissues. Ask which milestones may take longer and how therapy will be adapted.
Talk through transport, home help, time away from work and support if recovery becomes more involved. If staged treatment is a possibility, ask what each stage involves and how long periods between procedures are managed. Before leaving, confirm the next investigation, who will review it with you and what decision it will inform.
Sources: AAHKS: Revision Knee Replacement
Meet our revision joint specialist
Our joint team includes Dr. Andrew Wassef, whose practice includes complex revision surgery as well as primary hip and knee replacement. His profile offers more about that focus. The patient experiences below can help you understand communication and support, while the consultation should establish what is known about your knee and whether a proposed revision has a clear purpose.
Ask how infection has been considered
The AAOS guideline on prosthetic joint infection describes blood and joint-fluid tests as aids to diagnosis. A painful replacement consultation should explain whether infection is suspected, which tests are relevant and how the findings fit together. You do not need to interpret a single laboratory number on your own.
Bring previous culture results, antibiotic history and the dates of any wound drainage or treatment. Ask the receiving team how these records affect interpretation and whether more testing is needed. Medication changes should be directed by the clinicians coordinating the workup, particularly when tests and treatment have been spread across several offices.
Sources: Diagnosis and Prevention of Periprosthetic Joint Infections
Get a diagnosis before comparing revision operations
HSS describes several distinct reasons a knee replacement may require revision, including loosening, instability, stiffness, fracture and infection. A second opinion is most useful when it identifies the likely cause and explains why the proposed intervention would address it.
Ask the surgeon to separate what is established from what remains uncertain. Request a description of which components would stay, which would change and how bone or ligament problems would be handled. Also ask what improvement is realistic and what symptoms might persist. Revision is a more complex decision than repeating the original operation with a newer implant.
Make the most of your visit
Questions to bring to your consultation
Choose the questions that matter most to you. Bring them along, and ask us to explain anything that is unclear.
- What are the most plausible causes of my pain?
- Which records or images are missing from the assessment?
- How will you evaluate infection, loosening and instability?
- What would an inconclusive test result mean?
- Which components would you replace, and what bone reconstruction might be needed?
- What symptoms may remain even after revision?
- When would you recommend against another operation?
- How will restrictions, support needs and recovery differ from my first surgery?
- How have infection and mechanical causes been distinguished in my workup?
- Which findings are confirmed, and which explanation still needs testing?
- What would a revision change, and which symptoms might remain afterward?
Sources & further reading
- AAOS OrthoInfo: Revision Total Knee Replacement
- AAHKS: Revision Knee Replacement
- AAHKS: Infection and Your Knee Replacement
- Diagnosis and Prevention of Periprosthetic Joint InfectionsAmerican Academy of Orthopaedic Surgeons · Published March 11, 2019
- Knee Revision (Revision Total Knee Replacement)Hospital for Special Surgery · Updated August 6, 2020
We use these medical sources to help explain your options and prepare you for a conversation with our team. Our guides feature our own clinicians; patient reviews describe individual experiences.

