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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2021, Vol. 09 ›› Issue (03): 294-299. doi: 10.3877/cma.j.issn.2095-5782.2021.03.010

• Non-vascular Intervention • Previous Articles     Next Articles

Rectal indometacin to prevent hyperamylasemia and pancreatitis following percutaneous biliary stent insertion: a study on propensity matching analysis

Chen Xu1, Wei Yang1, Jianwu Ren1, Weizhong Zhou1, Sheng Liu1, Haibin Shi1,()   

  1. 1. Department of Interventional Radiology, the First Affiliated Hospital of Nanjing Medical University, Jiangsu Nanjing 210029, China
  • Received:2021-02-19 Online:2021-08-25 Published:2021-09-27
  • Contact: Haibin Shi

Abstract:

Objective

To explore the effect of preoperative rectal indometacin on preventing hyperamylasemia and pancreatitis following percutaneous biliary stent insertion (PTBS).

Methods

During the period from June 2019 to January 2021, the clinical data of 141 patients with malignant biliary obstruction underwent PTBS in our department were collected. Among them, 29 patients were treated with indometacin rectally and the other 112 patients were included without indometacin. A propensity matching analysis was carried out according to the proportion of 1:4 in the two groups. The levels of serum amylase at 3 h and24 h after the procedure, and the incidence of hyperamylasemia and pancreatitis were compared. The other complications were recorded.

Results

In the present study, a total of 110 patients were matched, including 22 patients in the indometacin group and 88 patients in the untreated group. The baseline data of thetwo groups were comparable. The levels of serum amylase at 3h and 24h after the procedure in the two groups were 45.4 (34.6, 61.1) vs 60.6 (43.2, 104.1) U/L and 43.3 (34.5, 61.8) vs 59.3 (44.2, 76.4) U/L respectively, and the difference between the two groups was statistically significant (P = 0.007, P = 0.026). In addition, the incidence of pancreatitis in the indometacin group (4.5%) was lower than that in the untreated group (13.6%), however, there was no significant statistical difference (P = 0.417). The incidence of postoperative hyperamylasemia was similar between the two groups (9.1%, 11.4%). No indometacin related complications occurred.

Conclusions

Preoperative rectal indometacin can effectively reduce the level of serum amylase in patients following PTBS and is relatively safe, which is worthy of the further clinical study.

Key words: Indometacin, Pancreatitis, Percutaneous transhepatic biliary stent insertion, Malignant biliary obstructive

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