Intra-abdominal drainage following pancreatic resection: A systematic review

Table 2 Main characteristics and results of studies evaluating timing of drain removal n (%)

Ref.	Year	Type of study	Type of resection, n	Type of drain	Groups, n	Age (yr)	Drain duration (d)	POPF	Morbidity	Reoperation	Op time (min)	Blood loss (mL)	Hospital stay (d)
Balzano et al[42]	2005	Retrospective	123 DP	Open silicone 28 CH drain	123	59 (19-85)2	36 ± 17 ++	42 (34)	60 (49)	5 (4)	246 ± 871	635 ± 5231	11.8 ± 6.11
Kawai et al[38]	2006	Time cohort	104 PD	10-mm Penrose (silicon multitubular flat drain)	52 early	66 ± 101	POD 4	2 (4)	19 (37)	0	407 ± 761	1270 ± 12201	42 ± 131
					52 late	67 ± 101	POD 8	12 (23)	35 (67)	0	383 ± 591	1287 ± 13741	35 ± 251
Bassi et al[37]	2010	RCT	75 PD, 39 DP	Flat penrose drain 12 mm	57 early	56 ± 141	POD 3	1 (2)	22 (39)	0	285 ± 971	NA	8.7 ± 41
					57 late	57 ± 131	POD after 5	15 (26)	35 (61)	1 (2)	291 ± 861	NA	10.8 ± 6.91

¹mean ± SD;

²median (range). ++: only patients with POPF. PD: Pancreaticoduodenectomy; DP: Distal pancreatectomy; RCT: Randomized controlled trial.