Does antecolic reconstruction decrease delayed gastric emptying after pancreatoduodenectomy?

Table 1 Summary of the cited studies on prevalence of delayed gastric emptying after pancreaticoduodenectomy

Ref.	Type of study	No. of patients	Studied groups	Significant difference in prevalence of DGE
Eshuis et al[22]	CCS	77	PD/PpPD + PJ-BIIAG/DJ	Not found
		77	PD/PpPD + PJ-BIIRG/DJ
Oida et al[20]	CCS	14	MSSPPD + PG-BIIAGJ	PG-BIIRGJ < PG-BIIAGJ
		28	MSSPPD + PG-BIIRGJ
Masui et al[26]	CCS	12	PpPD + PJ-BIIADJ	PJ-BIIAMDJ < PJ-BIIADJ
		106	PpPD + PJ-BIIAMDJ
Kawai et al[17]	RCT	66	PrPD + PJ-BIIAGJ	PrPD < PpPD
		64	PpPD + PJ-BIIADJ
Kurahara et al[19]	RCT	22	SSPPD + PG-BIRGJ	PG-BIIAGJ < PG-BIRGJ
		24	SSPPD + PG-BIIAGJ
Gangavatiker et al[24]	RCT	35	PD/PpPD + PJ-BIIAG/DJ	Not found
		37	PD/PpPD + PJ-BIIRG/DJ
Chijiiwa et al[27]	RCT	17	PpPD + PJ-BIIADJ	Not found
		18	PpPD + PJ-BIIVRDJ
Tani et al[6]	RCT	40	PpPD + PJ-BIIADJ	PJ-BIIADJ < PJ-BIIRDJ
		40	PpPD + PJ-BIIRDJ

CCS: Case control study; RCT: Randomized controlled trial; PD/PpPD: Pancreaticoduodenectomy or pylorus-preserving pancreaticoduodenectomy; PJ-BIIAG/DJ: Pancreaticojejunostomy with Billroth II antecolic gastro/duodenojejunostomy; PJ-BIIRG/DJ: Pancreaticojejunostomy with Billroth II retrocolic gastro/duodenojejunostomy; MSSPPD: Modified subtotal stomach-preserving pancreaticoduodenectomy; PG-BIIAGJ: Pancreaticogastrostomy with Billroth II antecolic gastrojejunostomy; PG-BIIRGJ: Pancreaticogastrostomy with Billroth II retrocolic gastrojejunostomy; PJ-BIIADJ: Pancreaticojejunostomy with Billroth II antecolic duodenojejunostomy; PJ-BIIAMDJ: Pancreaticojejunostomy with Billroth II antecolic modified reconstruction with straightening of the stomach and twisted duodenojejunostomy; PrPD: Pylorus-resecting pancreaticoduodenectomy; PJ-BIIAGJ: Pancreaticojejunostomy with Billroth II antecolic gastrojejunostomy; SSPPD: Subtotal stomach-preserving pancreaticoduodenectomy; PG-BIRGJ: Pancreaticogastrostomy with BillrothIretrocolic gastrojejunostomy; PJ-BIIVRDJ: Pancreaticojejunostomy with Billroth II retrocolic modified reconstruction with vertical duodenojejunostomy; PJ-BIIRDJ: Pancreaticojejunostomy with Billroth II retrocolic duodenojejunostomy; DGE: Delayed gastric emptying.