Kotaro Yamashita1, Shinji Mine2, Tasuku Toihata1, Ian Fukudome1, Akihiko Okamura1, Masami Yuda1, Masaru Hayami1, Yu Imamura1, Masayuki Watanabe1. 1. Department of Gastroenterological Surgery, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan. 2. Department of Gastroenterological Surgery, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan. shinji.mine@jfcr.or.jp.
Abstract
BACKGROUND: The three-dimensional video-assisted (3D-VA) system is known to provide depth perception and the precise measurement of anatomical spaces, unlike the two-dimensional video-assisted (2D-VA) system. However, the advantages of the 3D-VA system in thoracoscopic esophagectomy remains unclear. METHODS: We retrospectively analyzed data from 104 patients who underwent thoracoscopic esophagectomy for esophageal cancer from 2016 to 2017. We performed thoracic esophagectomy using either the 2D-VA or 3D-VA system during this period. Whenever the 3D-VA system was available in our surgical center, we performed 3D-VA thoracoscopic esophagectomy. Perioperative parameters, including operation times, blood loss, the number of dissected lymph nodes, postoperative complications, and the duration of postoperative hospital stays, were compared between the 2D-VA and 3D-VA system groups. RESULTS: There were 51 and 53 patients in the 2D-VA and 3D-VA system groups, respectively. Preoperative parameters, including age, sex, tumor location, clinical stage and the distribution of preoperative treatment, were not significantly different between the groups. Although intraoperative blood loss did not differ between the two groups, operation times were significantly shorter in the 3D-VA system group than the 2D-VA system group (P = 0.023). The number of dissected mediastinal lymph nodes was similar in both groups. The incidences of postoperative complications, including pneumonia, recurrent nerve palsy, anastomotic leakages and chylothorax, were similar between the groups. The duration of postoperative hospital stays was also comparable between the groups. CONCLUSIONS: An introduction of 3D-VA endoscopy into minimally invasive esophagectomies may contribute to the shortening of the duration of thoracoscopic procedures.
BACKGROUND: The three-dimensional video-assisted (3D-VA) system is known to provide depth perception and the precise measurement of anatomical spaces, unlike the two-dimensional video-assisted (2D-VA) system. However, the advantages of the 3D-VA system in thoracoscopic esophagectomy remains unclear. METHODS: We retrospectively analyzed data from 104 patients who underwent thoracoscopic esophagectomy for esophageal cancer from 2016 to 2017. We performed thoracic esophagectomy using either the 2D-VA or 3D-VA system during this period. Whenever the 3D-VA system was available in our surgical center, we performed 3D-VA thoracoscopic esophagectomy. Perioperative parameters, including operation times, blood loss, the number of dissected lymph nodes, postoperative complications, and the duration of postoperative hospital stays, were compared between the 2D-VA and 3D-VA system groups. RESULTS: There were 51 and 53 patients in the 2D-VA and 3D-VA system groups, respectively. Preoperative parameters, including age, sex, tumor location, clinical stage and the distribution of preoperative treatment, were not significantly different between the groups. Although intraoperative blood loss did not differ between the two groups, operation times were significantly shorter in the 3D-VA system group than the 2D-VA system group (P = 0.023). The number of dissected mediastinal lymph nodes was similar in both groups. The incidences of postoperative complications, including pneumonia, recurrent nerve palsy, anastomotic leakages and chylothorax, were similar between the groups. The duration of postoperative hospital stays was also comparable between the groups. CONCLUSIONS: An introduction of 3D-VA endoscopy into minimally invasive esophagectomies may contribute to the shortening of the duration of thoracoscopic procedures.
Entities:
Keywords:
Esophageal cancer; Thoracoscopic esophagectomy; Three-dimensional video-assisted system
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