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Fırat Tıp Dergisi |
2018, Cilt 23, Sayı 3, Sayfa(lar) 113-118 |
[ Turkish ] [ Tam Metin ] [ PDF ] |
The Effects of Tadalafil on The Partial Ureteral Obstruction |
Selma CIRRIK1, Erdal BENLİ2, Sema Nur AYYILDIZ3, Ersagun KARAGÜZEL4, Ayper KAÇAR5, Tevfik NOYAN6, Ali AYYILDIZ7, Sibel KÖKTÜRK8 |
1Ordu Üniversitesi Tıp Fakültesi, Fizyoloji Anabilim Dalı, Ordu, Türkiye 2Ordu Üniversitesi Tıp Fakültesi, Üroloji Anabilim Dalı, Ordu, Türkiye 3Sağlık Bakanlığı Eğitim Araştırma Hastanesi, Klinik Biyokimya Bölümü, Ankara, Türkiye 4Karadeniz Teknik Üniversitesi Tıp Fakültesi, Üroloji Anabilim Dalı, Trabzon, Türkiye 5Çocuk Sağlığı ve Hastalıkları Hematoloji Onkoloji Eğitim Ve Araştırma Hastanesi, Klinik Patoloji Bölümü, Ankara, Türkiye 6Ordu Üniversitesi Tıp Fakültesi, Tıbbi Biyokimya Anabilim Dalı, Ordu, Türkiye 7Bozok Üniversitesi Tıp Fakültesi, Üroloji Anabilim Dalı, Yozgat, Türkiye 8Ordu Üniversitesi Tıp Fakültesi, Histoloji ve Embriyoloji Anabilim Dalı, Ordu, Türkiye |
Objective: Previous studies in different experimental models have shown protective effects of phosphodiesterase-5 inhibitors for kidneys. In the present study, the possible renoprotective effect of tadalafil, a specific phosphodiesterase-5 inhibitor, was examined during partial ureter obstruction.
Material and Method: Male Sprague-Dawley rats were divided into 3 groups (n =6) as sham (S), unilateral partial obstruction (P) and tadalafil treated (10 mg/72 hours, intragastric) obstruction (PT). Two weeks after obstruction, creatinine measurements performed in serum and urine, urinary cystatin-c levels were measured and GFR values were calculated. Histological examination was performed to evaluate degenerative changes in the kidney. The results are given as mean±standard deviation. Statistical comparisons were performed by one-way ANOVA and Bonferroni test, with p <0.05 accepted as significant difference. Results: The serum creatinine concentration increased in the P group (0.48±0.10 mg/dL; p <0.01) and the PT group (0.41±0.06 mg/dL; p <0.01) when compared to S group (0.30±0.03 mg/dL). The GFR value was 2.56±0.56 ml/min in the S group, and decreased to 1.40±0.25 ml/min (p <0.001) in the P group and 1.71±0.21 ml/min (p <0.01) in the PT group. Urinary cystatin-c/creatinine ratio in the S group was calculated as 0.96±0.23. This ratio increased in the P group (2.34±0.50; p <0.001) and the PT group (1.41±0.38; p <0.05) compared to the S group. The difference between the P and PT groups was statistically significant (p <0.05). Histological examination revealed the tubular and glomerular damage, interstitial fibrosis and inflamma-tion in the P group. In the PT group, the glomerular surface area was higher compared to the P group (p <0.05), with less tubular damage and fibrotic changes. Conclusion: Present study showed that tadalafil treatment significantly reduced renal damage and improved proximal tubule function during unilat-eral ureteral obstruction. Considering the incidence of stone-linked ureter obstruction, it is thought that this effect of tadalafil may have clinical im-portance. |
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