Prevention of Post-ERCP Pancreatitis

Table 2

Studies demonstrating effect of pancreatic stenting on post-ERCP pancreatitis. Difficult cannulation was defined as that requiring greater than 30 minutes of manipulation to achieve successful cannulation.

Study	Study no.	Rate of pancreatitis		𝑃 value	Indications for pancreatic stent placement
		No-stent group	Stent group		SOD	Precut	Difficult cannulation	Balloon dilation	Pancreatic sphincterotomy
Smithline et al. [23]	93	18%	14%	0.60	+	+
Sherman et al. [24]	104	21%	2%	0.004		+
Elton et al. [25]	164	12.5%	0.7%	0.003					+
Tarnasky et al. [26]	80	26%	7%	0.03	+
Patel et al. [27]	36	33%	11%	<0.05	+
Aizawa and Ueno [28]	130	6%	0%	0.11				+
Fazel et al. [29]	74	28%	5%	0.009	+		+
Sofuni et al. [30]	211	13.6%	3.2%	0.019	All consecutive ERCPs irrespective of specific risk factors
Tsuchiya et al. [31]	64	12.5%	3.1%	>0.05	All consecutive ERCPs irrespective of specific risk factors