Histopathological Changes of Rat Kidney with Exposure to Chronic Thinner Inhalation

Abstract

Introduction: Organic solvents are liquid substances commonly used in everyday life at home and in industrial workplaces. These solvents are found primarily in paint as thinner. Because other narcotics are hard to find, thinner is used as a narcotic especially among youngsters of low socioeconomic level. The aim of this study is to determine the histopathological changes of rat kidney with exposure to chronic thinner inhalation. Methods: Randomized trial -the study was conducted at the animal care facility of Haydarpasa Numune Education and Research Hospital. Forty albino Wistar male rats were used throughout the experiment. Three groups of rats inhaled thinner in a glass cage for 1, 3, and 5 weeks, respectively. Ten rats inhaled only the air in the room as the control group. Results: We observed the development of inflammation in the kidneys that became more remarkable as exposure time extended. Development of inflammation because of thinner apparently differed between the groups of week 1 and week 5. There was no difference in granuloma development. If the experiment lasted longer, there might have been granuloma development. Conclusions: Based on histopathological evaluations, it was shown that exposure to chronic thinner inhalation causes detectable damage on the kidney, which becomes more prominent as exposure period extends. As we established disorders in movement and consciousness in the rats during thinner inhalation, we can conclude that thinner also has a damaging effect upon the central nervous system.

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