Revision total knee arthroplasty
Bilateral total knee arthroplasty
Patients with inflammatory arthritis
Patients with a body mass index (BMI) > 40
Allergy to ropivacaine, bupivacaine, or other local anesthetic agents
Current use of opioid drugs
Patients with a history of total or unicompartmental reconstruction of the affected joint
Patients that have had a high tibial osteotomy or femoral osteotomy
Patients with neuromuscular or neurosensory deficiency, which would limit the ability to assess pain levels
Patients with a systemic or metabolic disorder leading to progressive bone deterioration
Patients that are immunologically compromised, or receiving chronic steroids (>30 days), excluding inhalers
Patients' bone stock is compromised by disease or infection, which cannot provide adequate support and/or fixation to the prosthesis
Patients with knee fusion to the affected joint
Patients with an active or suspected latent infection in or about the knee joint
Patients that are prisoners

NCT02863120_exc_T1
Procedure
Revision total knee arthroplasty
NCT02863120_exc_T2
Procedure
Bilateral total knee arthroplasty
NCT02863120_exc_T3
Condition
inflammatory arthritis
NCT02863120_exc_T4
Measurement
body mass index
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Measurement
BMI
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Value
> 40
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Condition
Allergy
NCT02863120_exc_T8
Drug
ropivacaine
NCT02863120_exc_T9
Drug
bupivacaine
NCT02863120_exc_T10
Drug
local anesthetic agents
NCT02863120_exc_T11
Scope
ropivacaine, bupivacaine, or other local anesthetic agents
NCT02863120_exc_T12
Drug
opioid
NCT02863120_exc_T13
Qualifier
affected joint
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Procedure
reconstruction
NCT02863120_exc_T15
Qualifier
unicompartmental
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Qualifier
total
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Scope
total or unicompartmental
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Procedure
high tibial osteotomy
NCT02863120_exc_T19
Procedure
femoral osteotomy
NCT02863120_exc_T20
Condition
cular or neur cy, which
NCT02863120_exc_T21
Condition
neurosensory deficiency
NCT02863120_exc_T22
Condition
metabolic disorder
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Condition
or metab leading
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Condition
bone deterioration
NCT02863120_exc_T25
Qualifier
progressive
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Scope
systemic or metabolic disorder
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Condition
immunologically compromised
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Drug
steroids
NCT02863120_exc_T29
Qualifier
chronic
NCT02863120_exc_T30
Temporal
>30 days
NCT02863120_exc_T31
Negation
excluding
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Drug
inhalers
NCT02863120_exc_T34
Procedure
knee fusion
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Condition
infection
NCT02863120_exc_T36
Qualifier
knee joint
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Person
prisoners