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Suturing of the laser resection area is recommended over a depth of 2 cm in an experimental porcine lung model

   
@article{JTD24074,
	author = {Andreas Kirschbaum and Thomas M. Surowiec and Anika Pehl and Andreas Gockel and Detlef K. Bartsch and Nikolas Mirow},
	title = {Suturing of the laser resection area is recommended over a depth of 2 cm in an experimental porcine lung model},
	journal = {Journal of Thoracic Disease},
	volume = {10},
	number = {9},
	year = {2018},
	keywords = {},
	abstract = {Background: Lung metastases can be removed by an Nd:YAG laser to save lung parenchyma. At these sites, a coagulated lung surface remains. Airtightness was investigated in relation to the depth of resection on an ex vivo porcine lung model.
Methods: Freshly slaughtered porcine double lung preparations were connected to a ventilator via a tube. Non-anatomical laser resections were performed with an 800 μm laser fiber and the Nd:YAG laser LIMAX® 120 (power: 40 and 60 watts). The following resection depths (each n=12) from the lung surface were examined: 0.5, 1, 1.5 and 2.0 cm. After resection the lungs were submerged under water and ventilated (frequency 10/min, Pinsp =25 mbar, PEEP =5 mbar). Airtightness of resection surfaces was determined by a leakage score, as well as the measurement of the leakage volume (in mL) per respiration (Group 1). Afterwards, the resection areas were coagulated for 5 seconds with a laser power of 60 watts at a distance of approximately 1 cm from the surface. This was followed by a re-evaluation for airtightness (Group 2). Finally, the resection surface was closed by a suture (PDS USP 4-0) and re-tested for airtightness (Group 3). The individual groups were compared for their significance (P},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/24074}
}