Protective Effects of Oral Sirolimus Therapy against ESWL-induced Kidney Tissue Damage in Rats
Journal Title: JOURNAL OF UROLOGICAL SURGERY - Year 2019, Vol 6, Issue 3
Abstract
Objective: In the present study, we aimed to investigate the short- and long-term protective effects of oral sirolimus therapy on extracorporeal shock wave lithotripsy (ESWL)-induced kidney tissue damage in an experimental rat model. Materials and Methods: Twenty-four male Spraque-Dawley rats were used in the study. A total of 1000 shock waves (SWs) were applied to the left kidney of all rats at 15 kV, 60 SW/min. Two main groups, ESWL (group 1) and ESWL sirolimus (group 2), were formed. Each group was divided into two subgroups as early (E) and late (L). Left nephrectomy was performed on the 15th day in E groups and on the 60th day in L groups. Tubular injury, interstitial changes, as well as scar formation, were scored semi-quantitatively for at least 10 cortical fields in each sample. An average score was calculated for each subject. Independent samples t-test was used for statistical analysis. The statistical significance was accepted as p<0.05. Results: The mean histopathological score was 0.08±0.94 and 0.15±0.65 (p=0.332) in group 1E and 2E and it was 0.27±0.17 in group 1L and 0.05±0.06 in group 2L, respectively (p<0.05). When group 1E and group 1L were compared, the mean score was 0.08±0.94 and 0.27±0.17, respectively (p<0.05). Furthermore, there was also a statistically significant difference in mean histopathological score between group 2E and group 2L. The mean score was 0.15±0.65 vs 0.05±0.06 (p<0.05). Conclusion: Depending on SW power and frequency, ESWL may cause significant histopathological changes in rat kidneys in the chronic period. In this experimental study, it has been thought that sirolimus treatment may have a tissue protective effect against long-term renal tissue damage.
Authors and Affiliations
Mehmet Necmettin Mercimek, Yakup Bostancı, Ender Özden, Şaban Sarıkaya
Keywords
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- EP ID EP619479
- DOI 10.4274/jus.galenos.galenos.2019.2492
- Views 83
- Downloads 0
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