• Jonathon Wong, Jackie Cooper, Rik Thomas, Richard Langford, and Sibtain Anwar.
• Department of Perioperative Medicine, Barts Heart Centre and St. Bartholomew's Hospital, London, UK.
• Pain Med. 2019 Sep 1; 20 (9): 1796-1802.

ObjectivePersistent postsurgical pain (PPP) is common following thoracotomy. Thoracic epidural (TEB) and paravertebral blockade (PVB) are both established forms of perioperative analgesia for thoracotomy. There is currently a lack of data on their influence on PPP; this study aims to evaluate both techniques on PPP.DesignObservational study, prospectively collected data.MethodsAdults who underwent thoracotomy had either TEB or PVB for analgesia and were prospectively interviewed at six months. A numerical rating scale, the short form of the Leeds Assessment of Neuropathic Symptoms and Signs, and the EuroQol-5 dimension (EQ-5D) index were used to assess pain, neuropathic pain, and quality of life.ResultsEighty-two patients who underwent a thoracotomy were recruited (TEB N = 36, PVB N = 46). Pain scores had a median (interquartile range [IQR]) of 1 (0 to 4.5) and 1.5 (0 to 4, P = 0.89), presence of PPP was 58.3% (95% confidence interval [CI] = 40.0-74.5%) and 60.9% (95% CI = 45.4-74.9%, P = 0.81), and presence of neuropathic pain was 30.6% (95% CI = 16.3-48.1%) and 28.2% (95% CI = 16.0-43.5%, P = 0.85). Reported quality of life was 0.71 (0.14-0.85) and 0.80 (0.19-0.91, P = 0.21). Patients who had PPP reported worse quality of life measures compared with those who were pain free, with a median (IQR) EQ-5D index of 0.69 (-0.15 to 0.85) and 0.85 (0.72 to 1, P = 0.0007); quality of life was worst when there was a neuropathic component (median = 0.39, IQR = -0.24 to 0.75).ConclusionsThere was no statistical difference in the development of persistent postsurgical pain between patients who received a TEB or a PVB; however, patients who developed PPP had a significantly lower quality of life, which was worse with a neuropathic component.© Crown copyright 2019.

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