Abstract
The aim of this study compares to the increase in tissue temperature and the thermal histological effects of ultrasonic scalpel, bipolar and unipolar electrosurgery incisions in the tongue tissue of rabbits. This study evaluates the histopathological changes related to thermal change and the maximum temperature values in the peripheral tissue brought about by the incisions carried out by the three methods in a comparative way. To assess thermal tissue damage induced by the three instruments, maximum tissue temperatures were measured during the surgical procedure and tongue tissue samples were examined histopathologically following the surgery. The mean maximum temperature values of the groups were 93.93±2.76 Cº for the unipolar electrocautery group, whereas 85.07±5.95 Cº for the bipolar electrocautery group, and 108.23±7.64 Cº for the ultrasonic scalpel group. There was a statistically significant relationship between the increase in maximum temperature values and the separation among tissue layers, edema, congestion, necrosis, hemorrhage, destruction in blood vessel walls and fibrin accumulation, and between the existence of fibrin thrombus and tissue damage depth (p<0.05). It was concluded that the bipolar electrocautery use gives way to less temperature increase in the tissues and less thermal tissue damage in comparison to the other methods.
Highlights
Surgical interventions in tongue tissue frequently include excision of the masses in the tongue or surgical techniques carried out in order to lessen the volume of the tongue in OSAS treatment
The aim of this study compares to the increase in tissue temperature and the thermal histological effects of ultrasonic scalpel, bipolar and unipolar electrosurgery incisions in the tongue tissue of rabbits
To assess thermal tissue damage induced by the three instruments, maximum tissue temperatures were measured during the surgical procedure and tongue tissue samples were examined histopathologically following the surgery
Summary
Surgical interventions in tongue tissue frequently include excision of the masses in the tongue or surgical techniques carried out in order to lessen the volume of the tongue in OSAS treatment. Within the framework of these treatments, tools such as radiofrequency, unipolarbipolar electrocautery, laser, and coblator can be used. All these surgical tools cause temperature rise related to the effect of thermal energy, protein denaturation, and tissue destruction. During the use of these tools peripheral area surrounding the incised part is subjected to temperature rise. This situation may lead to delays in wound healing, decrease in blood circulation, and damage to sensorial nerves and other peripheral vital structures. Thermal tissue damage during the surgery is an important parameter affecting postoperative tissue healing, infection, pain, transition to oral feeding, and hospitalization.
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