Pancreatic exocrine insufficiency after pancreaticoduodenectomy: Current evidence and management

Table 3 Incidence of pancreatic exocrine insufficiency before and after pancreaticoduodenectomy

Ref.	Pre-operative incidence of PEI	Post-operative incidence of PEI	Diagnostic test
Kato et al[32]	93%	80%	Secretin stimulation
Halloran et al[29]	-	55%	Coefficient of fat absorption
Yuasa et al[42]	-	64%	13C- mixed triglyceride test
Nakamura et al[9]	-	62.3%
Hirono et al[43]	-	51%
Benini et al[41]	-	87.5%	72 h faecal fat estimation
Lemaire et al[44]	-	94%
Sato et al[45]	46%	33%	BT-PABA excretion
Fujino et al[46]	-	75%
Matsumoto et al[47]	68%	50%	Faecal elastase-1
Van der Gaag et al[48]	-	59%
Tran et al[49]	-	91%
Pessaux et al[50]	-	95%
Jang et al[51]	-	100%
Falconi et al[52]	-	24%	Faecal chymotrypsin
Fang et al[34]	-	33%
Bock et al[53]	-	52.8%	Steatorrhoea
Rault et al[54]	-	42%
Van Berge Henegouwen et al[55]	-	64.5%

PEI: Pancreatic exocrine insufficiency; PABA: Para-aminobenzoic acid.