Pancreas-preserving duodenal resections vs pancreatoduodenectomy for groove pancreatitis. Should we revisit treatment algorithm for groove pancreatitis?

Table 3 Operative data and complications of pancreatoduodenectomy for cystic dystrophy of the duodenal wall (July, 2020)

No.	Procedure	Blood loss, mL	Time, min	Postop stay	Morbidity (Сlavien-Dindo)
1	pPD	130	290	16	Grade I, DGE A
2	pPD	150	310	11	No
3	pPD	50	230	14	No
4	PD	460	370	31	Grade IV, GI bleeding
5	pPD	500	350	18	Grade I, pneumonia
6	PD	120	305	10	No
7	pPD	150	290	10	No
8	pPD	100	280	10	Grade I, DGE A
9	PD	230	300	12	No
10	pPD	50	185	25	Grade III, POPF B
11	PD	100	340	12	No
12	pPD	100	270	14	No
13	pPD	130	220	15	Grade I, DGE A
14	pPD	140	280	16	Grade I, Lymphorrhea
15	pPD	50	270	11	No
16	PD	50	280	12	No
17	pPD	120	210	36	Grade III, POPF B, DGE B
18	pPD	70	225	10	No
19	PD	750	480	41	Grade III, ureter intraoperative trauma, DGE B
20	pPD	100	200	9	No
21	pPD	100	200	7	No
22	pPD	150	240	14	No
23	Nakao	100	330	27	Grade III, DGE B
24	pPD	50	230	16	Grade I, short-term bile leakage
25	pPD	50	280	11	No
26	Nakao	100	350	12	Grade I, DGE A
27	pPD	120	250	10	No
28	pPD	140	260	9	No
29	pPD	50	170	28	Grade III, POPF B, DGE B
30	Nakao	100	310	14	Grade I, short-term bile leakage
31	PD	120	290	12	No
32	Nakao	100	320	13	No
33	pPD	100	190	27	Grade III, DGE B
34	pPD	100	300	10	Grade I, lymphocele
35	PD	100	320	11	No
36	pPD	350	310	11	Grade I, wound infection
37	pPD	50	300	13	No
38	pPD	50	270	12	No
39	pPD	50	240	14	Grade I, DGE A
40	pPD	50	230	11	Grade I, POPF A
41	PD	100	230	10	No
42	pPD	150	410	12	No
43	PD	270	390	11	No
44	PD	250	440	10	No

PD: Pancreatoduodenectomy; pPD: Pylorus-preserving pancreatoduodenectomy; DGE A: Delayed gastric emptying A; GI: Gastrointestinal; POPF B: Postoperative pancreatic fistula grade B.