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Table 3 Descriptions of and recommendations on SEMS in the included guidelines

From: Biopsy sampling during self-expandable metallic stent placement in acute malignant colorectal obstruction: a narrative review

Country/society

Year

Description of SEMS placement

Recommends SEMS as treatmenta

Recommends biopsyb

Evidence degree for biopsyb

Denmark [2]

2019

Yes

Yes

No

-

Sweden [57]

2020

Yes

Yes

No

-

Norway [58]

2019

Yes

Yes

No

-

The Netherlands [59]

2019

Yes

Yes

No

-

Germany [60]

2019

Yes

Yes

No

-

Ireland [61]

2017

Yes

Yes

No

-

Great Britain [61]

2017

Yes

Yes

No

-

Switzerland [62]

2020

Yes

Yes

Yes

D

Spain [63, 64]

2017

2019

Yes

Yes

Yes

Yes

No

No

-

-

Czech Republic [62]

2020

Yes

Yes

Yes

D

European Society (ESGE) [62]

2020

Yes

Yes

Yes

D

American Society (ASCRS) [63, 65]

2017

2020

Yes

Yes

Yes

Yes

No

No

-

-

Japan [41]

2015

Yes

Yes

Yes

D

France [62]

2020

Yes

Yes

Yes

D

Australia [66]

2018

Yes

Yesc

No

-

Saudi Arabia

-

-

-

-

-

China

-

-

-

-

-

South Korea

-

-

-

-

-

Turkey

-

-

-

-

-

Italy

-

-

-

-

-

  1. aOf acute colorectal obstruction
  2. bDuring SEMS placement
  3. cFor patients with increased risk of postoperative mortality