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Title: Effects of Somatostatin and Indomethacin Mono or Combination Therapy on High-risk Hyperamylasemia and Post-pancreatitis Endoscopic Retrograde Cholangiopancreatography Patients: A Randomized Study.
Author: Wu Z, Xiao G, Wang G, Xiong L, Qiu P, Tan S.
Journal: Surg Laparosc Endosc Percutan Tech; 2023 Oct 01; 33(5):474-479. PubMed ID: 37523580.
Abstract:
BACKGROUND: Endoscopic retrograde cholangiopancreatography (ERCP) is a minimally invasive technique widely used to diagnose and treat pancreatic and biliary diseases; however, it is linked with imminent hyperamylasemia and post-ERCP pancreatitis (PEP). Somatostatin and indomethacin are the classic recommended drugs used for PEP prevention. OBJECTIVE: To elucidate the effects of somatostatin and indomethacin mono or in combination to prevent hyperamylasemia and PEP in high-risk individuals. METHODS: Altogether 1458 patients who underwent ERCP in our hospital from January 2016 to May 2022 were included in this investigation and categorized into 4 groups based on the treatment regimen: placebo, indomethacin, somatostatin, and indomethacin + somatostatin. The pre operation and post operation (at 6, 12, and 24 h) hospitalization cost, length of stay, the occurrence of hyperamylasemia and PEP, levels of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), IL-8, and VAS pain score were determined in the 4 groups. In all the groups, VAS and IL-6, TNF-α, and IL-8 levels substantially increased in the pretreatment and decreased sequentially from 6 to 24 h post operation. The individuals in the indomethacin revealed substantially reduced hyperamylasemia, VAS, and levels of IL-6, TNF-α, and IL-8, 6 h post operation, whereas the hospitalization fee, length of stay, PEP incidence, VAS, levels of IL-6, TNF-α, and IL-8, 12 and 24 h post operation were not statistically important in comparison with the individuals who received placebo therapy. The somatostatin and the indomethacin + somatostatin groups indicated markedly alleviated hospitalization fee, length of stay, the occurrence of hyperamylasemia and PEP, VAS, and the levels of IL-6, TNF-α, and IL-8 at 6, 12, and 24 h post operation compared with the placebo cohort. Furthermore, compared with the indomethacin group, the above-determined factors notably reduced at 6, 12, and 24 h post operation in somatostatin and indomethacin + somatostatin groups. It was also observed that the indomethacin + somatostatin group has substantially decreased the occurrence of hyperamylasemia, VAS score, and levels of IL-6, TNF-α, and IL-8, 6 hours post operation, while at 12 and 24 h post operation, the hospitalization fee, length of stay and incidence of PEP, VAS, levels of IL-6, TNF-α, and IL-8 were not statistically important compared with the somatostatin group. It is also worth noting that the side effects of both drugs are rare and mild. RESULTS: For high-risk PEP patients, indomethacin and somatostatin can efficiently alleviate post-operative hyperamylasemia and improve their life standard within 6 hours and 24 hours, respectively. Indomethacin is suitable for individuals who underwent simple, short-duration ERCP with expected mild post-operative abdominal pain, whereas somatostatin is given to patients with complicated, long-duration ERCP and expected severe post-operative abdominal pain. Their combinational therapy produces a synergistic effect and can reduce the incidence of hyperamylasemia, thereby improving patients' quality of life within 6 h and is also effective against individuals who received a more complicated, longer-duration ERCP and were expected to have severer and longer post-operative abdominal pain.

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