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A novel technique proposition for determining the resection margins in lung resection by using a thermal camera

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Abstract

Objectives

Determination of resection margins is very important in anatomical lung resections for both oncologic outcomes and postoperative complications. Absence of intersegmental plans naturally in segmentectomy surgeries and presence of incomplete fissure variationally in pulmonary lobectomy procedures constitute a challenge for surgeons in determining resection margins. Thoracic surgeons can prefer various techniques such as inflation deflation method, indocyanine green imaging, and three-dimensional segment modeling to cope with this problem. These techniques have some disadvantages such as high cost, the necessity of intravenous drug administration, need for an additional imaging system and ineffectiveness due to emphysema, anthracotic lung surface or interalveolar pores. Here we studied an alternative method for the solution of these disadvantages and aimed to demonstrate the correctness of a hypothesis based on detecting the cooling of the ischemic lung portion by a thermal camera after dividing the related pulmonary artery.

Methods

We planned determining margins of resection with a thermal camera in patients scheduled for pulmonary lobectomy or segmentectomy. We made some measurements and mapping with a thermal camera before and after the dividing of pulmonary artery of related lobe or segment then processed the images taken with a software on the computer.

Results

We detected a significant decrease in temperature in the ischemic lung area and demonstrated mapping the demarcation line between ischemic and perfused areas effectively by thermography in a total of 32 patients underwent lung resection.

Conclusion

Pulmonary resection margins can be detected effectively by thermography in patients.

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Data availability

The data that support the findings of this study are available from the corresponding author, upon reasonable request.

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Acknowledgements

We would like to acknowledge to employees of the Gazi Scientific Research Projects Unit for their endless support in the quick purchase of the device. We are also grateful to Mahmut Tokur, MD, Assistant Professor, from Kahramanmaras Sutcu Imam University, Department of Thoracic Surgery, for the idea of using the thermal camera for medical purposes.

Funding

This study was supported by Gazi University Scientific Research Project (Number: TGA- 2022–7795).

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Authors and Affiliations

  1. Department of Thoracic Surgery, Gazi University, 06560, Ankara, Turkey

    Muhammet Sayan, Aykut Kankoc, Elgun Valiyev & Ali Celik

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  1. Muhammet Sayan
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  2. Aykut Kankoc
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  3. Elgun Valiyev
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  4. Ali Celik
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Correspondence to Muhammet Sayan.

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Sayan, M., Kankoc, A., Valiyev, E. et al. A novel technique proposition for determining the resection margins in lung resection by using a thermal camera. Gen Thorac Cardiovasc Surg 72, 121–126 (2024). https://doi.org/10.1007/s11748-023-01948-1

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  • DOI: https://doi.org/10.1007/s11748-023-01948-1

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