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Table 4 Outcome of studies using the FTRD device

From: Endoscopic full-thickness resection using an over-the-scope device for treatment of recurrent / residual colorectal neoplasia: a single-center case series

Study, year

(n)

Lesions (n)

Technical feasibility

Full thickness

R0

Emergency surgery

Richter-Schrag, 2016 [17]

20

recurrence (9)

non-lifting (3)

T1 Carcinoma (6)

NET (2)

75%

80%

80%

5%

Schmidt, 2018 [15]

181

recurrence (72)

non-lifting (32)

T1 Carcinoma (15)

SET (23)

difficult locationa (39)

89,5%

76,9%

76,9%

2,2%

Valli, 2018 [18]

60

recurrence (29)

T1 Carcinoma (6)

SET (5)

difficult location (5)

otherb (15)

88%

88,8%

79%

2,0%

Vitali, 2018 [16]

13

recurrence (4)

non-lifting (7)

NET (1)

difficult location (1)

100%

n.a.

83,3%

0,0%

Andrisani, 2019 [19]

110

recurrence (65)

non-lifting (12)

T1 Carcinoma (16)

SET (10)

difficult location (4)

other (3)

94,4%

91,0%

92%

n.a.

This study

30

recurrence (30)

93,3%

80,0%/

85,7%

80,0%/ 85,7%

3,3%/

3,6%c

  1. aDifficult location: e.g. at the appendix or a diverticulum
  2. bOther: e.g. in addition to piecemeal resection; after resection of malignant polyp
  3. cData for R0 resection and emergency surgery given as intent to treat / per protocol, respectively.