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Publication - Professor Ashley Blom

    Chronic pain after total knee replacement


    Wylde, V, Beswick, A, Bruce, J, Blom, A, Howells, N & Gooberman-Hill, R, 2018, ‘Chronic pain after total knee replacement’. EFORT Open Reviews, vol 3., pp. 461-470


    Despite a good outcome for many patients, approximately 20% of patients experience chronic pain after total knee replacement (TKR).

    Chronic pain after TKR can affect all dimensions of health-related quality of life, and is associated with functional limitations, pain-related distress, depression, poorer general health and social isolation.

    In both clinical and research settings, the approach to assessing chronic pain after TKR needs to be in-depth and multidimensional to understand the characteristics and impact of this pain. Assessment of this pain has been inadequate in the past, but there are encouraging trends for increased use of validated patient-reported outcome measures.

    Risk factors for chronic pain after TKR can be considered as those present before surgery, intra-operatively or in the acute post-operative period. Knowledge of risk factors is important to guide the development of interventions and help to target care. Evaluations of pre-operative interventions which optimise pain management and general health around the time of surgery are needed.

    The causes of chronic pain after TKR are not yet fully understood, although research interest is growing and it is evident that this pain has a multifactorial aetiology, with a wide range of possible biological, surgical and psychosocial factors that can influence pain outcomes.

    Treatment of chronic pain after TKR is challenging, and evaluation of combined treatments and individually targeted treatments matched to patient characteristics is advocated. To ensure that optimal care is provided to patients, the clinical and cost-effectiveness of multidisciplinary and individualised interventions should be evaluated.

    Full details in the University publications repository