Efficacy of splanchnic nerve neurolysis in the management of upper abdominal cancer pain: A systematic review and meta-analysis.

Background And Aims: Neurolytic splanchnic nerve block (NSNB) is practised in intractable abdominal pain secondary to intra-abdominal malignancies. This review evaluated the efficacy of NSNB.

Methods: PubMed, Embase, Scopus, and Cochrane databases were searched for articles published from January 2001 to October 2023.