複雑な腹腔鏡下胆嚢摘出術ナビゲーションにおけるインドシアニン緑色蛍光の役割

Overview

This protocol outlines the steps for fluorescence-guided laparoscopic cholecystectomy and elucidates the role of fluorescence navigation in diverse surgical scenarios. The study focuses on optimizing the timing and dosage of indocyanine green for improved visualization of bile ducts during surgery.

Key Study Components

Area of Science

• Fluorescence imaging
• Laparoscopic surgery
• Surgical navigation

Background

• Complex laparoscopic cholecystectomy presents challenges in bile duct visualization.
• Indocyanine green is a dye used for enhancing imaging during surgery.
• Fluorescence imaging technology has advanced to improve surgical outcomes.
• Optimal timing and dosage of dye administration are critical for effectiveness.

Purpose of Study

• To determine the optimal timing for indocyanine green injection.
• To assess the dosage required for effective bile duct visualization.
• To enhance intraoperative navigation and reduce surgical complications.

Methods Used

• Administer 0.25 mg of indocyanine green via peripheral vein injection 45 minutes before surgery.
• Utilize the DPMI fluorescence system for imaging.
• Operate the system in both white light and near-infrared spectrums.
• Evaluate the effectiveness of fluorescence imaging in real-time during surgery.

Main Results

• Indocyanine green significantly improves visualization of bile ducts.
• Optimal timing and dosage enhance surgical navigation.
• Fluorescence imaging aids in reducing intraoperative complications.
• Results support the use of fluorescence-guided techniques in complex surgeries.

Conclusions

• Fluorescence-guided laparoscopic cholecystectomy is a valuable technique.
• Indocyanine green is effective for enhancing bile duct visualization.
• Further studies may optimize protocols for broader surgical applications.

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