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World J Clin Cases. 2018 Nov 6;6(13):632-640. doi: 10.12998/wjcc.v6.i13.632.

Usefulness of colonic tattooing using indocyanine green in patients with colorectal tumors.

Author information

1
Division of Gastroenterology, Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University college of Medicine, Daejeon 35015, South Korea.
2
Division of Gastroenterology, Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University college of Medicine, Daejeon 35015, South Korea. mhs1357@cnuh.co.kr.
3
Clinical Trials Center, Chungnam National University Hospital, Daejeon 35015, South Korea.

Abstract

AIM:

To prove that tattooing using indocyanine green (ICG) is feasible in laparoscopic surgery for a colon tumor.

METHODS:

From January 2012 to December 2016, all patients who underwent laparoscopic colonic surgery were retrospectively screened, and 1010 patients with colorectal neoplasms were included. Their lesions were tattooed with ICG the day before the operation. The tattooed group (TG) included 114 patients, and the non-tattooed group (NTG) was selected by propensity score matching of subjects based on age, sex, tumor staging, and operation method (n = 228). In total, 342 patients were enrolled. Between the groups, the changes in [Delta (Δ), preoperative-postoperative] the hemoglobin and albumin levels, operation time, hospital stay, oral ingestion period, transfusion, and perioperative complications were compared.

RESULTS:

Preoperative TG had a shorter operation time (174.76 ± 51.6 min vs 192.63 ± 59.9 min, P < 0.01), hospital stay (9.55 ± 3.36 d vs 11.42 ± 8.23 d, P < 0.01), and post-operative oral ingestion period (1.58 ± 0.96 d vs 2.81 ± 1.90 d, P < 0.01). The Δ hemoglobin (0.78 ± 0.76 g/dL vs 2.2 ± 1.18 g/dL, P < 0.01) and Δ albumin (0.41 ± 0.44 g/dL vs 1.08 ± 0.39 g/dL, P < 0.01) levels were lower in the TG. On comparison of patients in the "N0" and "N1 or N2" groups, the N0 colon cancer group had a better operation time, length of hospital stay, oral ingestion period, Δ hemoglobin, and Δ albumin results than those of the N1 or N2 group. The operation methods affected the results, and laparoscopic anterior resection (LAR) showed similar results. However, for left and right hemicolectomy, both groups showed no difference in operation time or hospital stay.

CONCLUSION:

Preoperative tattooing with ICG is useful for laparoscopic colectomy, especially in the N0 colon cancer group and LAR.

KEYWORDS:

Colorectal neoplasm; Endoscopic tattoo; Indocyanine green; Laparoscopic surgery; Perioperative

Conflict of interest statement

Conflict-of-interest statement: All authors have no conflicts of interest or financial ties to disclose.

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