Table 1: Utility of the use of routine drainage associated with cholecystectomy in randomized studies.

Author

(year)

Sample

Type of

Surgery

Post-surgical morbidity

Pain

IHS

Nausea or

vomiting

Subhepatic

collections

Other

Nursal

(2003)7

69

Elective

and urgent

Similar

Similar

NA

More

severe

without drainage

NA

Reduced

amount of

subdiaphragmatic

gas post-surgery

Uchiyama

(2007)8

120

Elective

Similar

More

severe with

drainage

Similar

NA

NA

–

Tzovaras

(2009)9

565

Elective

Similar

More

severe with

drainage

Similar

NA

NA

–

Georgiou

(2011)10

116

Elective

Similar

More

severe with

drainage

Longer with drainage

Similar

Similar

Longer surgical

time with drains

(6.9 min)

El-Labban

(2012)11

160

Elective

Similar

Similar

Longer with drainage

Similar

Similar

–

Picchio

(2012)12

106

Elective

NA

Similar

NA

NA

Similar

–

Shamim

(2013)13

155

Elective

NA

NA

Longer with drainage

NA

Longer with drainage at 24 hours. Similar at 72-hours

–

Park

(2015)14

159

Urgent

Similar

NA

Longer with drainage

NA

Similar

–

Kim

(2015)15

193

Urgent

Similar

More

severe with

drainage

Similar

NA

NA

–

Qiu

(2018)16

212

Urgent

Similar

Similar

Longer with drainage

NA

NA

Less incapacity without drainage

IHS = In-hospital stay.

NA = not available.