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  • Title: Three posterior percutaneous celiac plexus block techniques. A prospective, randomized study in 61 patients with pancreatic cancer pain.
    Author: Ischia S, Ischia A, Polati E, Finco G.
    Journal: Anesthesiology; 1992 Apr; 76(4):534-40. PubMed ID: 1550278.
    Abstract:
    Variations and refinements of the classic retrocrural technique of neurolytic celiac plexus block (NCPB) for pancreatic cancer pain (PCP) have been proposed over the last 30 yr to improve success rates, avoid complications and enhance diagnostic accuracy. The aim of this prospective, randomized study was to assess the efficacy and morbidity of three posterior percutaneous NCPB techniques in 61 patients with PCP. The 61 patients were randomly allocated to three NCPB treatment groups: group 1 (20 patients, transaortic plexus block); group 2 (20 patients, classic retrocrural block); and group 3 (21 patients, bilateral chemical splanchnicectomy). The quality and quantity of pain were analyzed before and after NCPB. No statistically significant differences (P greater than 0.05) were found among the three techniques in terms of either immediate or up-to-death results. Operative mortality was nil with the three techniques and morbidity negligible. NCPB abolished celiac PCP in 70-80% of patients immediately after the block and in 60-75% until death. Because celiac pain was only a component of PCP in all patients, especially in those with a longer time course until death: 1) abolition of such pain did not ensure high percentages of complete pain relief (immediate pain relief in 40-52%; pain relief until death in 10-24%); 2) NCPB was effective in controlling PCP in a higher percentage of cases if performed early after pain onset, when the pain was still only or mainly of celiac type and responded well to nonsteroidal antiinflammatory drug therapy; and 3) the probability of patients remaining completely pain-free diminished with increased survival time.(ABSTRACT TRUNCATED AT 250 WORDS)
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