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H.K. Kim



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    MO02 - General Thoracic and Minimally Invasive Surgery (ID 99)

    • Event: WCLC 2013
    • Type: Mini Oral Abstract Session
    • Track: Surgery
    • Presentations: 1
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      MO02.08 - The Feasibility of Single-incision Video-assisted Thoracoscopic Surgery in Major Pulmonary Resection (ID 1389)

      11:05 - 11:10  |  Author(s): H.K. Kim

      • Abstract
      • Presentation
      • Slides

      Background
      We performed video-assisted thoracoscopic (VATS) lobectomy with one incision for the treatment of malignant or benign lung diseases, and have evaluated the feasibility and safety of this procedure.

      Methods
      Consecutive patients who underwent major pulmonary resection through VATS, using one incision from March 2012 to May 2013 were included in this study. The incision was placed at the 5th intercostal space in the mid-axillary line, approximately 3~5 cm long.

      Results
      A total of 60 patients (male 39, female 21; mean age 60.2 ± 12.53 years old, range 21~83) were included in this study. The preoperative diagnosis was malignant lung disease in 56 patients (93.3%) and benign lung disease in 4 patients (6.7%). Four patients (6.7%) needed a second port during surgery and conversion to thoracotomy was needed in two patients (3.3%). In 54 cases, which were completed by single-incision VATS, lobectomies were done in 50 patients, segmentectomy in 3, and sleeve lobectomy in 1. The resected lobes or segments were right upper in 15 patients, right middle in 3, right lower in 15, left upper in 10, and left lower in 11. In 50 cases, which were completed by a single-incision VATS lobectomy for primary lung cancer, the mean duration of the operation was 148.2 ± 45.29 minutes, and a total number of dissected lymph nodes per patient were 21.3 ± 10.08 (range, 5~55). The chest tube was removed on postoperative day 4.7 ± 1.8, and there was no occurrence of major perioperative morbidity and mortality.

      Conclusion
      Single-incision VATS lobectomy is applicable in the selected cases, and may obtain similar results with the conventional VATS lobectomy, through a certain period of learning curve.

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    P2.05 - Poster Session 2 - Preclinical Models of Therapeutics/Imaging (ID 158)

    • Event: WCLC 2013
    • Type: Poster Session
    • Track: Biology
    • Presentations: 1
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      P2.05-016 - Thoracoscopic Color and Fluorescence Imaging System for Sentinel Lymph Node Mapping in Porcine Lung Using Indocyanine Green-Neomannosyl Human Serum Albumin (ID 2601)

      09:30 - 09:30  |  Author(s): H.K. Kim

      • Abstract

      Background
      This study was performed to validate a newly developed sentinel lymph node (SLN) targeting tracer, indocyanine green–neomannosyl human serum albumin (ICG:MSA), and a thoracoscopic version of the intraoperative color and fluorescence imaging system (ICFIS) for lung cancer SLN mapping.

      Methods
      5 μg/kg ICG concentrations of ICG alone or ICG:MSA were injected into rat thigh and the results were compared. The fluorescence signal-to-background ratio (SBR) of SLNs were recorded and evaluated over a 2-h period using ICFIS. In addition, a SLN biopsy by video-assisted thoracoscopic surgery (VATS) was performed using ICG:MSA in porcine lung by using thoracoscopic ICFIS.

      Results
      The newly developed ICG:MSA showed a significantly improved SBR compared to ICG alone throughout the trials. All SLNs were identified in both rat (10 SLNs in 10 rat thighs) and pig (10 SLNs in 10 porcine lungs) under in vivo conditions. All SLNs were dissected successfully using VATS with help of thoracoscopic ICFIS.

      Conclusion
      ICG:MSA is accumulated in the SLN by uptake and retention through the mannose-specific receptors on a macrophage. Thoracoscopic ICFIS successfully assisted SLN mapping despite low near-infrared (NIR) light transmission in the commercial thoracoscope. Based on the results of the thoracoscopic SLN mapping, we expect that the ICG:MSA and thoracoscopic ICFIS can be translated to clinical trials in the near future.