Chronic Pain as a Risk Factor
Moderate evidence supports that patients with select chronic pain conditions have less improvement in patient reported outcomes with TKA.
Surgical Management of Osteoarthritis of the Knee
Endorsed by: The Knee Society, SOMOS, AAHKS, ACR, AGS, AANA

Rationale
One moderate quality paper (Boyle 2014) used low back pain as one form of chronic pain and demonstrated less good outcomes. Another moderate quality paper (Perruccio 2012) showed less good outcomes after total knee arthroplasty for patients with multiple joint and/or spine pain. The two retain a moderate quality of evidence leading to the recommendation that moderate evidence supports that patients with select chronic pain conditions have less improvement in patient reported outcomes with total knee arthroplasty.
 

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