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

Table 2 Demographic data and symptoms before and after pancreatoduodenectomy for cystic dystrophy of the duodenal wall, July 2020

No.	Age	Pain	Vomi-ting	Jaundice	Weight loss, kg	Weight gain after surgery, kg	Weight gain after surgery, %	PERT after surgery	Pain after surgery, status, events	Treatment before surgery, mo	Follow-up after surgery, mo, status, events
1	44	37.8	-	+	6	9	150	Yes	No, DM	72	188, NA
2	49	63	-		12	5	41	Yes	No, drinking, NDM	84	151, death of unknown cause
3	56	73.8	-		9	9	100	Yes	No, steatorrhea. Smoking, DM	54	166, death of MI
4	49	37.8	+	+	10	8	80	Yes	No, NDM	96	170, NA
5	55	81.3	+	+	12	6	50	Yes	31.5, drinking, NDM, steatorrhea	79	167, NA
6	52	73.8	-		12	9	75	Yes	No	50	162, NA
7	39	73.8	-		15	11	73	Yes	31.5, smoking, DM	60	167
8	43	63	+++		21	10	48	Yes	No	48	164
9	55	73.8	+++		18	13	72	Yes	No, smoking	38	162
10	39	63	++		17	12	71	No	No	60	156
11	57	73.8	-		6	6	100	Yes	No, NDM	8	69, death of unknown cause
12	40	73.8	-		11	8	78	Yes	No	36	155
13	51	77.5	-		10	6	60	Yes	37.8	36	152
14	61	81.3	++		8	6	75	Yes	No, steatorrhea, NDM	48	132, death of unknown cause
15	49	73.8	+++		14	8	57	Yes	37.8, NDM	72	147
16	48	77.5	++	+	12	7	58	Yes	31.5, drinking, smoking	31	147
17	40	63	+		13	7	54	No	no	60	141
18	53	77.5	-		7	7	100	Yes	no	48	129
19	59	31.5	+	+	13	9	69	Yes	No, steatorrhea	36	126
20	46	77.5	-		12	7	58	Yes	No	36	120
21	45	73.8	++		8	5	62.5	Yes	No, drinking	41	117
22	59	73.8	++		5	5	100	Yes	No	62	111
23	50	31.5	-		5	7	140	Yes	No, smoking	48	107
24	53	81.3	+++		16	9	56	Yes	No	66	105
25	47	37.8	++	+	10	8	80	Yes	No	54	103
26	44	63	-		10	7	70	Yes	No	48	101
27	46	63	+++		19	10	52	Yes	No, steatorrhea, NDM	36	97
28	51	63	+++		14	11	78.6	Yes	No	36	93
29	37	77.5	+++		15	9	60	No	No	40	93
30	54	73.8	++		10	8	80	Yes	No, DM	48	69, death of unknown cause
31	52	31.5	-	+	12	8	67	Yes	No, drinking, NDM	66	85
32	53	67.5	-		12	10	83	Yes	31.5	24	85
33	49	77.5	++		15	6	40	Yes	No, steatorrhea	12	79
34	46	81.3	+		13	9	69	Yes	No	9	69
35	48	37.8	++	+	15	10	67	Yes	No	16	69
36	50	63	++		14	9	64	Yes	No	32	69
37	51	81.3	-		7	6	86	Yes	No, smoking	39	60
38	58	31.5	-		11	8	73	Yes	No, NDM, smoking	42	57
39	54	37.8	-		12	8	67	Yes	No	30	52
40	49	73.8	++		8	6	75	Yes	No	36	45
41	47	77.5	++		7	6	86	Yes	No, DM	120	20
42	58	37.8	-		12	8	67	Yes	No, NDM	72	18
43	47	73.8	+		11	1	9	Yes	No, NDM	66	13
44	45	77.5	+++		21	5	23	Yes	No	63	6

Median preoperative follow-up was 42 mo (LQ-UQ: 36-60). All the patients, except two are males. Pain was assessed by the Izbicki score[38]. DM: Diabetes mellitus; NDM: New diabetes mellitus; PERT: Pancreatic enzyme replacement therapy; NA: Not by April 2020.