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Endoscopic submucosal dissection (ESD) is a technique developed in Japan for the removal of large lesions in the GI tract. Because of the complexity of the technique, implementation in Western health care has been slow. An ESD procedure is usually followed by hospital admission. Our aim was to investigate if ESD of colorectal lesions can be performed in an outpatient setting.Six hundred sixty colorectal ESD procedures between 2014 and 2020 were evaluated retrospectively. All patients referred to the unit with an early colorectal neoplasm20 mm without signs of deep invasion were considered eligible for an ESD procedure.Of 660 lesions, 323 (48.9%) were localized in the proximal colon, 102 (15.5%) in the distal colon, and 235 (35.6%) in the rectum. Median lesion size was 38 mm (interquartile range, 30-50) and median procedure duration 70 minutes (interquartile range, 45-115). En-bloc resection was achieved in 620 cases (93.9%). R0 resection was achieved in 492 en-bloc resections (79.4%), whereas the number of Rx and R1 resections was 124 (20.0%) and 4 (.6%), respectively. Low-grade dysplasia was found in 473 cases (71.7%), high-grade dysplasia in 144 (21.8%), and adenocarcinoma in 34 (5.1%). Six hundred twelve procedures (92.7%) were scheduled as outpatient, and 33 of these underwent unplanned admission. Forty-eight cases (7.3%) were planned as inpatient procedures. The rate of full wall perforation was 38 (5.8%), in which 35 (92.1%) were managed endoscopically and 3 patients (7.9%) required emergency surgery. Forty-six patients (7.0%) sought medical attention within 30 days because of bleeding (21 [3.2%]), abdominal tenderness (16 [2.4%]), and other reasons (9 [1.4%]). Twenty-four of these patients were admitted for observation for a median of 2 days (range, 1-7). Ten of these patients were treated with antibiotics, and 6 patients required blood transfusion. None required additional surgery.ESD of colorectal lesions can be safely performed in an outpatient setting in a well-selected patient. |
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