• Curr Opin Anaesthesiol · Oct 2022

    Review

    Use of regional analgesia to prevent the conversion from acute to chronic pain.

    • Pierre Geradon and Patricia Lavand'homme.
    • Department of Anesthesiology, Cliniques Universitaires St Luc - University Catholic of Louvain, Brussels, Belgium.
    • Curr Opin Anaesthesiol. 2022 Oct 1; 35 (5): 641-646.

    Purpose Of ReviewChronic post-surgical pain (CPSP) prevalence has not changed over the past decades what questions the efficacy of preventive strategies. Regional analgesia is used to control acute pain, but preventive effect on CPSP remains debated. Failures and future application of regional analgesia to prevent transition from acute to chronic pain will be discussed.Recent FindingsAfter thoracotomy, perioperative regional analgesia does not seem to prevent CPSP. After breast cancer surgery, paravertebral block might prevent CPSP intensity and impact on daily life up to 12 months, particularly in high catastrophizing patients. In knee arthroplasty, perioperative regional analgesia or preoperative genicular nerve neuroablation do not prevent CPSP, although current studies present several bias. The protective role of effective regional analgesia and early pain relief in trauma patients deserves further studies.SummaryRegional analgesia failure to prevent CPSP development should prompt us to reconsider its perioperative utilization. Patients' stratification, for example high-pain responders, might help to target those who will most benefit of regional analgesia. The impact of regional analgesia on secondary pain-related outcomes such as intensity and neuropathic character despite no difference on CPSP incidence requires more studies. Finally, the preventive effect of regional analgesia targeted interventions on CPSP in patients suffering from severe subacute pain deserves to be assessed.Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.

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