Transversus Abdominis Plane Block in the Treatment of Chronic Postsurgical Abdominal Wall Pain Improves Patient Quality of Life: A Retrospective Study and Literature Review.

Background: Although poorly studied, chronic postsurgical neuropathic pain (CPNP) represents the second most frequent chronic neuropathic pain etiology, probably affecting 0.5% to 75% of patients with a severe impact on quality of life (QoL). No consensus or treatment algorithm has been elaborated to date, despite a large variety of approaches now available.