The heat-pipe resembling action of boiling bubbles in endovenous laser ablation.

Lasers in Medical Science
C W M van der GeldMartin J C van Gemert

Abstract

Endovenous laser ablation (EVLA) produces boiling bubbles emerging from pores within the hot fiber tip and traveling over a distal length of about 20 mm before condensing. This evaporation-condensation mechanism makes the vein act like a heat pipe, where very efficient heat transport maintains a constant temperature, the saturation temperature of 100 degrees C, over the volume where these non-condensing bubbles exist. During EVLA the above-mentioned observations indicate that a venous cylindrical volume with a length of about 20 mm is kept at 100 degrees C. Pullback velocities of a few mm/s then cause at least the upper part of the treated vein wall to remain close to 100 degrees C for a time sufficient to cause irreversible injury. In conclusion, we propose that the mechanism of action of boiling bubbles during EVLA is an efficient heat-pipe resembling way of heating of the vein wall.

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Citations

Oct 5, 2013·Lasers in Medical Science·Damian KelleherAlun H Davies
Jan 7, 2014·Lasers in Medical Science·Michael Kockaert, Tamar Nijsten
Oct 10, 2013·Lasers in Medical Science·Anna A PoluektovaCees W M van der Geld
Jan 9, 2014·Lasers in Medical Science·H A Martino Neumann, Martin J C van Gemert
Dec 25, 2013·Lasers in Medical Science·Wendy S J MalskatMartin J C van Gemert
Dec 18, 2013·Lasers in Medical Science·Toine StokbroekxSerge R Mordon
Feb 4, 2016·Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban·Xu-Hong WangYuan Yuan
Jan 1, 2014·Journal of Vascular Surgery. Venous and Lymphatic Disorders·Takashi Yamamoto, Masahiro Sakata
Feb 7, 2012·Annals of Vascular Surgery·Marc E Vuylsteke, Serge R Mordon
Oct 10, 2014·Annals of Vascular Diseases·Masayuki Hirokawa, Nobuhisa Kurihara
May 25, 2012·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·R R van den BosT Nijsten
Jul 10, 2013·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·S ThomisP Herijgers
Sep 10, 2019·Jornal Vascular Brasileiro·Luiza de Freitas HeinebergWalter Junior Boim de Araujo
May 29, 2018·Lasers in Medical Science·Vladimir ChudnovskiiVladimir Yusupov

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