Skip to main content

Table 3 Characteristics of included studies

From: Comparison of fully-covered vs partially covered self-expanding metallic stents for palliative treatment of inoperable esophageal malignancy: a systematic review and meta-analysis

Author/year

Study type

Type of FCSEMS

Type of PCSEMS

Number of patients

Pre/post -Chemoradiotherapy

Dysphagia grade

Tumor location

FCSEMS

PCSEMS

PCSEMS

PCSEMS

FCSEMS

PCSEMS

FCSEMS

PCSEMS

Lárraga et al. [30]/2018

Retrospective

SX- ELLA® (ELLA-CS, Hradec Králové, Czech Republic)

Ultraflex® NG, (Boston Scientific, Natick, Massachusetts, USA)

21

29

Pre: 12 (57.14%)

Post: 13 (61.9%)

Pre: 12 (41.37%)

Post: 13 (44.82%)

Grade 3: 10 (47.61%)

Grade 4: 11 (52.38%)

Grade 3: 13 (44.82%)

Grade 4: 16 (55.17%)

P: 1 (4.76%)

M: 5 (23.8%)

D&C: 15 (71.44%)

P: 1 (3.45%)

M: 9 (31%)

D&C: 19 (65.55%)

Didden et al. [29]/2018

RCT

WallFlex fully covered stent (Boston Scientific, Natick, Massachusetts, USA)

WallFlex partially covered stent (Boston Scientific, Natick, Massachusetts, USA)

48

49

Pre: 41 (85.41%)

Post: 5 (10.41%)

Pre: 41 (85.41%)

Post: 5 (10.41%)

2.8 ± 0.7

2.8 ± 0.8

P: 8 (16.67%)

M: 13 (27.08%)

D&C: 27 (56.25%)

P: 1 (20.4%)

M: 8 (16.33%)

D&C: 27 (55.1%)

Persson et al. [28]/2017

RCT

WallFlex fully covered stent (Boston Scientific, Natick, Massachusetts, USA)

Ultraflex® NG, (Boston Scientific, Natick, Massachusetts, USA)

48

47

NR

NR

2 ± NR

3 ± NR

NR

NR

Verschuur et al. [27]/2008

RCT

Niti-S stent (Taewoong Medical, Seoul, Korea)

Ultraflex® NG, (Boston Scientific, Natick, Massachusetts, USA)

42

42

Pre:11 (26.19%)

Post: 15 (35.71%)

Pre:11 (26.19%)

Post: 15 (35.71%)

3 ± NR

3 ± NR

M: 12 (28.57%)

D&C: 30 (71.43%)

M: 10 (23.8%)

D&C: 32 (71.43%)

Homs et al. [26]/2004

Prospective

Z-stent (Wilson-Cook Europe, Bjaeverskov, Denmark)

Ultraflex® NG, (Boston Scientific, Natick, Massachusetts, USA) And Flamingo Wallstent (Microvasive/Bos- ton Scientific)

70

Ultraflex:75 Flamingo:71

Pre: 14 (20%)

Post: 5 (7.14%)

Ultraflex:

Pre: 17 (22.66%)

Post: 6 (8%)

Flamingo:

Pre: 23 (32.4%)

Post: 4 (5.63%)

3.2 ± 0.5

Ultraflex:

3 ± 0.7

Flamingo:

3.2 ± 0.5

M: 12 (17.14%)

D&C: 58 (82.85%)

Ultraflex:

M: 15 (20%)

D&C: 60 (80%)

Flamingo:

M: 14 (19.72%)

D&C: 57 (80.28%)

  1. FCSEMS Fully covered- Self expanding metallic stents, PCSEMS Partially covered- Self expanding metallic stents, RCT Randomized controlled study, P proximal esophagus, M mid-esophagus, D&C Distal esophagus and cardia, NR Not reported
  2. Data reported as Mean ± Standard Deviation or Number (percentage)