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Robot-assisted segmentectomy with improved modified inflation–deflation combined with the intravenous indocyanine green method

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Abstract

To investigate the perioperative outcomes of patients who underwent robot-assisted thoracoscopic (RATS) segmentectomy for identifying the intersegmental plane (ISP) by improved modified inflation–deflation (MID) combined with near-infrared fluorescence imaging with the intravenous indocyanine green (ICG) method and to assess the feasibility of this method in a large-scale cohort according to the type of segmentectomy performed. We retrospectively analysed the perioperative data of a total of 155 consecutive patients who underwent RATS segmentectomy between April 2020 and December 2021. Data from the operation, including the demarcation status of the intersegmental plane, were analysed retrospectively. The mean operative time and estimated blood loss were 125.56 ± 36.32 min and 41.81 ± 49.18 mL, respectively. Good demarcation of the intersegmental plane was observed in 150 (96.77%) patients, with no correlation with the type of resected segments or the surgical method. Postoperative complications of Clavien–Dindo classification grade 3 or more were observed in 4 patients (2.58%), and no ICG-related adverse events were noted. Demarcation of the intersegmental plane by improved MID combined with ICG is feasible regardless of the type of segmentectomy and can be commonly applied in robot-assisted segmentectomy.

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The datasets used and analysed during the current study available from the corresponding author on reasonable request.

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Authors and Affiliations

  1. Department of Thoracic Surgery, The Second Hospital Affiliated to Harbin Medical University, #148 Baojian Road, Harbin, 150001, China

    Xu Hao, Chang Xiaoyan & Zhang Linyou

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  1. Xu Hao
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  2. Chang Xiaoyan
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Contributions

Xu Hao and Zhang Linyou wrote the main manuscript text and Chang Xiaoyan prepared figures 1-3. All authors reviewed the manuscript

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Correspondence to Zhang Linyou.

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Drs. Xu Hao, Chang Xiaoyan, and Zhang Linyou have no conflicts of interest or financial ties to disclose.

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Video1. Demarcation of the intersegmental plane by improved MID combined with systemic injection of indocyanine green method (MP4 18630 KB)

Video2. Robot-assisted Left S1+2 segmentectomy. (MP4 15689 KB)

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Hao, X., Xiaoyan, C. & Linyou, Z. Robot-assisted segmentectomy with improved modified inflation–deflation combined with the intravenous indocyanine green method. J Robotic Surg 17, 2195–2203 (2023). https://doi.org/10.1007/s11701-023-01639-2

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  • DOI: https://doi.org/10.1007/s11701-023-01639-2

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