Table 1.
Ref. | Age (yr) | Patients n, lesions n | En-bloc resection, with R0, % | Perforation | Late bleeding | Pneumonia |
Hirasaki et al[53] | ≥ 75 | 53, 53 | 96, 81 | 1 (1.9) | (43%)1 | NE |
Kakushima et al[14] | ≥ 75 | 42, 49 | NE, 96 | 1 (2) | 3 (7) | NE |
Akasaka et al[15] | ≥ 75 | 459, 459 | NE | 20 (4.4) | 12 (2.6) | 15 (3.3) |
Toyokawa et al[54] | ≥ 75 | 200, 229 | 92, 80 | 4 (1.7) | 22 (9.6) | 2 (0.87) |
Abe et al[55] | ≥ 80 | 440, 470 | NE, 77.9 | 12 (2.8) | 14 (3.2) | NE |
Park et al[17] | ≥ 70 | 132, 132 | NE | 6 (4.5) | 5 (3.8) | 6 (4.5) |
Zhang et al[56] | ≥ 75 | 171, 187 | 98, 94.1 | (15.2%)2 | NE |
Bleeding was defined in cases that required endoscopic management with methods such as clip placement and/or monopolar electrocoagulation to stop the bleeding, including early and late bleeding. One patient required surgery to treat the bleeding;
Immediate bleeding. NE: Not evaluated.