Efficacy of oral Cynara scolymus and Silybum marianum on toxicity of imidocarb dipropionate in horses
Jaramillo, Fernando Mosquera | Piñeros, Diego Darley Velasquez | Corrêa, Rodrigo Romero | Pogliani, Fabio Celidonio | Cogliati, Bruno | Baccarin, Raquel Yvonne Arantes
BACKGROUND: Despite hepatotoxic effects, imidocarb dipropionate is the drug of choice for treatment of equine piroplasmosis. It is important, therefore, to identify adjuvant therapies that may improve the safety of imidocarb dipropionate by reducing the risk of liver damage during its use. The aim of the present study was to evaluate the hepatoprotective and hepatoregulatory effects of treatment with Cynara scolymus and Silybum marianum during administration of imidocarb dipropionate. METHODS: Ten healthy horses, seroconverted to Theileria equi by C‐ELISA, were treated with 5 mg/kg/day of imidocarb dipropionate for three consecutive days. The study population was divided into two groups. The control group did not receive any complementary treatments. The treated group received a daily oral supplement containing C scolymus and S marianum for 30 days. Physical, haematological and histological examinations of hepatic fragments were performed. RESULTS: All haematological values remained within normal range for the study population. Histological analysis revealed that treated group animals had 62 per cent less lobular inflammation, 55 per cent less pigment accumulation, 65 per cent less steatosis and 57 per cent less portal inflammation than control group animals, with an equivalent percentage of hydropic degeneration. CONCLUSION: C scolymus and S marianum supplements resulted in beneficial hepatoprotective effects in horses treated with imidocarb dipropionate.
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