Uroperitoneum secondary to rupture of the urachus associated with Clostridium spp. infection in a foal: a case report

https://doi.org/10.17221/2955-VETMEDCitation:Mendoza F., Lopez M., Diez E., Perez-Ecija A., Estepa J. (2010): Uroperitoneum secondary to rupture of the urachus associated with Clostridium spp. infection in a foal: a case report. Veterinarni Medicina, 55: 399-404.
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An 8-hour-old Andalusian colt was referred to the Veterinary Teaching Hospital of the University of Cordoba due to weakness, lateral recumbence, diarrhoea and absent sucking reflex. At admission the foal was obnubilated, with cold limbs, pale mucous membranes, tachycardia and diarrhoea. Laboratory results revealed increased hematocrit and total protein concentration, hyperfibrinogenemia, leukopenia, azoetemia, hypertrygliceridemia and a decreased IgG level. A diagnose of failure of passive transfer of immunoglobulins and hyperlipaemia was made. On the third day of hospitalization the foal presented painful and swollen joints, abdominal distension and fever. The ultrasonographic study at this point showed abundant hypoechogenic free fluid content in the peritoneal cavity. Abdominocentesis demonstrated a high peritoneal creatinine:serum creatinine ratio. Culture of the peritoneal fluid was Clostridium spp. positive. Necropsy revealed a tear in the internal umbilical remnant. The final diagnosis was uroperitoneum secondary to rupture of the urachus associated with a Clostridium spp. infection. New emerging aetiologies responsible for uroperitoneum, either by septic urachitis or omphalophlebitis, are emerging. Nonetheless, cases of uroperitoneum induced by Clostridium spp. infection are rare and constitute a new and important finding for equine neonatal medicine. In addition, the hyperlipaemic status in this animal could be a plausible cause leading to septicemia and subsequent uroperitoneum.
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