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Effects of electrocautery to provoke endovascular thermal injury
Fabio Henrique Rossi1, Nilo Mitsuru Izukawa, Domingos Guerino Silva
1Department of Vascular Surgery and Experimental Surgery, IDPC, Sao Paulo, Brazil. vascular369@hotmail.com
Purpose:
To investigate the effects of a new electrocautery device to provoke endovascular venous thermal injury.
Methods:
An experimental endovascular electrocautery was placed inside eight ex-vivo bovine saphenous veins models. Each one was divided in eight segments and progressive intensities of electric energy liberated. The macroscopic and microscopic effects were analyzed.
Results:
Forty bovine saphenous veins segments were studied. The higher the electric energy applied the greater the nuclear picnosis and more intense the cytoplasmatic shrinkage and electrocoagulation effects.
Conclusion:
The experimental endovascular electrocautery device demonstrated to be both capable of inducing the destruction of the intimal layers of the studied vein model and provoke endovascular thermal injury.
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