研究目的
Investigating the usefulness of near-infrared indocyanine green (ICG)-enhanced fluorescence guidance for infrapyloric LN dissection in laparoscopic distal gastrectomy.
研究成果
Near-infrared ICG fluorescence guidance enables faster and safe infrapyloric LN dissection without compromising oncological safety related to LN retrieval.
研究不足
1. Retrospectively enrolled controls without data on blood loss during infrapyloric LN dissection. 2. ICG injection time added to total operation time. 3. Small sample size (20 cases) for ICG injection. 4. Not evaluated in patients with advanced gastric cancer.
1:Experimental Design and Method Selection:
Prospective phase-II study investigating NIR-guided infrapyloric LN dissection during laparoscopic distal gastrectomy for early gastric cancer.
2:Sample Selection and Data Sources:
Patients with early gastric cancer scheduled for laparoscopic distal gastrectomy.
3:List of Experimental Equipment and Materials:
Real-time endoscopic NIR imaging system (PINPOINT; Novadaq Inc., Mississauga, ON, Canada), ICG (Daiichi Sankyo Pharmaceutical Co., Ltd., Osaka, Japan).
4:Experimental Procedures and Operational Workflow:
Intraoperative submucosal injection of ICG, LN dissection under near-infrared ICG fluorescence guidance.
5:Data Analysis Methods:
Comparison of operation time, bleeding events, and number of LNs retrieved between ICG and non-ICG groups.
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