Imai Kenichiro, Hotta Kinichi, Ito Sayo, Yamaguchi Yuichiro, Kawakami Takeshi, Wada Takuya, Igarashi Kimihiro, Kishida Yoshihiro, Kinugasa Yusuke, Kawata Noboru, Tanaka Masaki, Kakushima Naomi, Takizawa Kohei, Ishiwatari Hirotoshi, Matsubayashi Hiroyuki, Ono Hiroyuki
Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan.
Department of Gastroenterology, Kitasato University School of Medicine, Kanagawa, Japan.
Endosc Int Open. 2017 Jun;5(6):E513-E517. doi: 10.1055/s-0043-106182. Epub 2017 Jun 7.
In colorectal cancer surgery, inadvertent deep injections during endoscopic tattooing can cause India ink leakage into the peritoneum, leading to complications or to poor visualization of the surgical plane. This ex vivo animal study compared the use of novel shorter, minimum caliber needles versus conventional injection needles for endoscopic tattooing.
Four endoscopists used the novel needles and conventional needles to make ten endoscopic tattoos (five tattoos/needle type/endoscopist) in harvested porcine rectum using a saline test-injection method. India ink leakage and the success of the tattoo (i. e. visible, < 40 mm, plus no India ink leakage) were compared.
India ink leakage was observed for 30 % (6/20) of the conventional needle tattoos but for none of the novel needle tattoos ( = 0.02). Tattoos created using the novel needles were more successful than those made with the conventional needles: 18/20 (90 %) vs. 11/20 (55 %); = 0.01.
The use of novel shorter minimum caliber needles may be safe and effective for endoscopic tattooing for preoperative localization prior to colorectal cancer surgery.
在结直肠癌手术中，内镜纹身时不经意的深部注射可导致印度墨水漏入腹膜，引发并发症或导致手术视野不佳。这项体外动物研究比较了新型较短、最小口径的针头与传统注射针头用于内镜纹身的情况。
四名内镜医师使用新型针头和传统针头，采用盐水试注法在收获的猪直肠中进行了十次内镜纹身（每种针头类型/内镜医师各五次纹身）。比较了印度墨水渗漏情况和纹身的成功率（即可见、<40毫米且无印度墨水渗漏）。
传统针头纹身中有30%（6/20）观察到印度墨水渗漏，而新型针头纹身均未观察到（P = 0.02）。使用新型针头制作的纹身比使用传统针头制作的纹身更成功：18/20（90%）对11/20（55%）；P = 0.01。
对于结直肠癌手术前的术前定位，使用新型较短的最小口径针头进行内镜纹身可能是安全有效的。
