Retrograde installation of percutaneous transhepatic negative-pressure biliary drainage stabilizes pancreaticojejunostomy after pancreaticoduodenectomy: a retrospective cohort study

Table 4 Clinicopathologic data of the patients in the internal control

Number	Operation	Vascular reconstruction	Operation time (min)	Hospital stay (day)	Time to SBD (day)	C-D classification	Pathology	RLN	MLN
1	Whipple	.	345	42	6	IIIa	AC	22	0
2	PPPD	.	275	15	6	0	AC	14	1
3	PPPD	.	267	14	9	0	AC	19	0
4	PPPD	.	330	70	39	IIIb	AC	26	0
5	PPPD	.	400	14	6	0	NEC	16	0
6	PPPD	.	480	66	8	IIIa	AC	22	4
7	Whipple	.	365	12	7	0	AC	13	0
8	Whipple	.	765	31	6	IIIa	AC	19	8
9	PPPD	.	370	9	7	0	AC	11	0
10	PPPD	.	330	15	7	0	AC	24	8
11	PPPD	.	370	17	12	II	AC	10	0
12	PPPD	.	350	15	7	0	AC	20	0
13	PPPD	.	340	44	33	IVa	NEC	4	1
14	PPPD	.	505	41	7	IIIa	AC	18	0
15	PPPD	.	310	24	22	II	AC	36	3
16	PPPD	.	1015	30	.	V	AC	25	1
17	PPPD	.	570	118	61	IIIb	AC	32	0
18	PPPD	.	490	23	13	II	AC	20	0
19	PPPD	.	290	23	15	II	AC	13	0
20	Whipple	.	355	41	4	II	AC	21	4
21	PPPD	.	327	31	6	IIIa	AC	15	0
22	Whipple	.	362	53	8	V	AC	17	0
23	Whipple	PV	467	31	9	V	AC	21	6
24	PPPD	.	313	23	8	IIIa	AC	24	0
25	Whipple	PV	755	10	.	V	AC	28	4
26	Whipple	.	650	34	9	II	AC	18	0
27	Whipple	.	285	19	5	II	AC	13	0
28	Whipple	.	365	19	6	0	NEC	21	0
29	Whipple	.	365	23	7	IIIa	AC	19	4
30	PPPD	.	318	19	7	0	AC	21	1
31	PPPD	.	297	14	7	II	AC	29	0

SBD semi-blend diet, C-D Clavien-Dindo, RLN retrieved lymph nodes, MLN metastatic lymph nodes, PPPD pylorus-preserving pancreatoduodenectomy, NEC neuroendocrine carcinoma, AC adenocarcinoma, PV portal vein

ISSN: 1477-7819