Table 1.
Details of randomized clinical trials included in the meta-analysis. ES: emergency surgery; IOCL: intraoperative colonic lavage; NI: not indicated; RCT: randomized controlled trial; SBTS: stent as a bridge to surgery.
| Reference | Year (duration) |
Type of study (N of centres) |
Tumor site (SBTS) | Tumor site (ES) | Intervention | N of patients (SBTS : ES) | Type of stent | Stent to surgery time |
|---|---|---|---|---|---|---|---|---|
| Alcántara et al. | 2011 (February 2004 to December 2006) |
RCT (1) | Rectosigmoid (1) Sigmoid (11) Descending (1) Splenic flexure (2) |
Rectosigmoid (3) Sigmoid (4) Descending (2) Splenic flexure (4) |
Stent placement followed by planned 1-stage open surgery versus emergency 1-stage open surgery and IOCL | 15 : 13 | WallstentR | 5–7 days |
|
| ||||||||
| Arezzo et al. | 2016 (March 2008 to November 2015) |
RCT (5) | Rectosigmoid (NI) Sigmoid (8) Descending (43) Splenic flexure (5) | Rectosigmoid (NI) Sigmoid (12) Descending (34) Splenic flexure (13) |
Stent placement followed by planned open or laparoscopic surgery versus emergency surgery | 56 : 59 | Not indicated | 3–8 days |
|
| ||||||||
| Cheung et al. | 2009 (January 2002 to May 2005) |
RCT (1) | Not reported | Not reported | Stent placement followed by planned laparoscopic surgery versus emergency open surgery | 24 : 24 | WallstentR | <2 weeks |
|
| ||||||||
| Ghazal et al. | 2013 (January 2009 to May 2012) |
RCT (1) | Rectosigmoid (12) Sigmoid (14) Descending (4) Splenic flexure (0) |
Rectosigmoid (10) Sigmoid (17) Descending (3) Splenic flexure (0) | Stent placement followed by planned 1-stage open surgery versus emergency 1-stage total abdominal colectomy and ileorectal anastomosis | 30 : 30 | Not indicated | 7–10 days |
|
| ||||||||
| Ho et al. | 2012 (October 2004 to February 2008) |
RCT (1) | Rectosigmoid (5) Sigmoid (10) Descending (3) Splenic flexure (2) | Rectosigmoid (3) Sigmoid (8) Descending (6) Splenic flexure (2) | Stent placement followed by open surgery versus emergency surgery | 20 : 19 | WallflexR | 1-2 weeks |
|
| ||||||||
| Pirlet et al. | 2011 (December 2002 to October 2006) |
RCT (9) | Rectosigmoid (8) Sigmoid (15) Descending (6) Splenic flexure (0) Not available (1) | Rectosigmoid (7) Sigmoid (18) Descending (2) Splenic flexure (3) Not available (0) | Stent placement followed by open surgery versus emergency open surgery | 30 : 30 | Nitinol | Not reported |
|
| ||||||||
| van Hooft et al. | 2011 (March 2007 to August 2009) |
RCT (25) | Not reported | Not reported | Stent placement followed by open surgery versus emergency open surgery | 47 : 51 | WallstentR WallflexR |
<4 weeks |