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Factors that can predict pain with walking, 12 months after total knee arthroplasty.

Abstract：

:Background and purpose - Functional limitations after total knee arthroplasty (TKA) are common. In this longitudinal study, we wanted to identify subgroups of patients with distinct trajectories of pain-related interference with walking during the first year after TKA and to determine which demographic, clinical, symptom-related, and psychological characteristics were associated with being part of this subgroup. Patients and methods - Patients scheduled for primary TKA for osteoarthritis (n = 202) completed questionnaires that evaluated perception of pain, fatigue, anxiety, depression, and illness on the day before surgery. Clinical characteristics were obtained from the medical records. Interference of pain with walking was assessed preoperatively, on postoperative day 4, and at 6 weeks, 3 months, and 12 months after TKA. Results - Using growth mixture modeling, 2 subgroups of patients were identified with distinct trajectories of pain-related interference with walking over time. Patients in the Continuous Improvement class (n = 157, 78%) had lower preoperative interference scores and reported a gradual decline in pain-related interference with walking over the first 12 months after TKA. Patients in the Recurrent Interference class (n = 45, 22%) reported a high degree of preoperative pain-related interference with walking, initial improvement during the first 3 months after TKA, and then a gradual increase-returning to preoperative levels at 12 months. Patients in the Recurrent Interference class had higher preoperative pain, fatigue, and depression scores, and poorer perception of illness than the Continuous Improvement class. Interpretation - 1 in 5 patients did not improve in pain-related interference with walking at 12 months after TKA. Future studies should test the efficacy of interventions designed to modify preoperative characteristics.

journal_name

Acta Orthop

journal_title

Acta orthopaedica

authors

Lindberg MF,Miaskowski C,RustøEn T,Rosseland LA,Cooper BA,Lerdal A

doi

10.1080/17453674.2016.1237440

subject

Has Abstract

pub_date

2016-12-01 00:00:00

pages

600-606

issue

eissn

1745-3674

issn

1745-3682

journal_volume

pub_type

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Factors that can predict pain with walking, 12 months after total knee arthroplasty.