Various urachal abnormalities has been documented in several animal species (Laverty P.H., Salisbury S.K.: Surgical management of true patent urachus in a cat. (Journal of Small Animal Practice, 2002, 43, 227–229). One of the developmental abnormalities of the puppy bladder is a persistent urachus. In the fetus, the urachus is a tube-like structure, which, by exiting through the umbilical (navel) area, connects the puppy’s bladder to the placental tissues. The most frequent type of urachal disordes are: bladder urachal diverticulum, urachal sinus, urachal ligament, urachal cysts, patent urachus and urachal calculi. A dalmatian bitch 6 years old weighing 10 kg was presented for ovaryohysterectomy. Physical examination of the bitch did not reveal any abnormalities in the navel area. Blood samples were collected from cephalic vein for standard pre-surgery haematology analysis. Surgery was performed to remove the uterus and ovaries by standard method. After premedication with atropine sulphate (Atropina solfato, Ati, Ozzano Emila, Bologna Italy) 0.05 mg/kg, the anaesthesia was induced using a mixture of ketamine (Imalgene100, Merial, Italia) 5 m/Kg and medetomidine (Domitor, Pfizer, Roma, Iyaly) 40 mcg/kg i.m. The anaesthesia was maintained with isoflurane (2%) and oxygen was supplied by a cuffed endotracheal tube. Cephalexin (Mylan, Milano Italy) 15 mg/kg was administered at the time of induction. The bitch was in dorsal recumbency and the abdominal region was prepared for standard surgical procedure. One incision caudally to the umbilicus was performed to remove genital appatatus using a standard technique. The postoperative treatment applied was amoxicillin and clavulanic acid (Synulox Pfizer, Roma, Italy) 10 mg/kg and 2.5 mg/kg respectively every 12 h for 7 days. At the opening of abdominal cavity the apex of the bladder appeared adjoined to the umbilicus by means of a short tubular structure. Inside this structure there was a calculus of 4 mm in diameter. The application of light pressure to the bladder not resulted in urine appearing in the umbilical zone and no umbilical stoma was showed. The bladder was normally developed; the lateral ligament and umbilical arteries were in normal condition. After identification of the ureters, the urachus was isolated with a circumferential ligature

Urachal calculi in a dalmatian bitch / Bigliardi, Enrico; P., Gregori. - In: REPRODUCTION IN DOMESTIC ANIMALS. - ISSN 0936-6768. - 45, supplement 3:(2010), pp. 78-78. (Intervento presentato al convegno proceedings of the 14th Annual Conference of the Europeoan Society for domestic animal reproduction (ESDAR) tenutosi a Eger, Hungary nel 15-18 September 2010).

Urachal calculi in a dalmatian bitch

BIGLIARDI, Enrico;
2010-01-01

Abstract

Various urachal abnormalities has been documented in several animal species (Laverty P.H., Salisbury S.K.: Surgical management of true patent urachus in a cat. (Journal of Small Animal Practice, 2002, 43, 227–229). One of the developmental abnormalities of the puppy bladder is a persistent urachus. In the fetus, the urachus is a tube-like structure, which, by exiting through the umbilical (navel) area, connects the puppy’s bladder to the placental tissues. The most frequent type of urachal disordes are: bladder urachal diverticulum, urachal sinus, urachal ligament, urachal cysts, patent urachus and urachal calculi. A dalmatian bitch 6 years old weighing 10 kg was presented for ovaryohysterectomy. Physical examination of the bitch did not reveal any abnormalities in the navel area. Blood samples were collected from cephalic vein for standard pre-surgery haematology analysis. Surgery was performed to remove the uterus and ovaries by standard method. After premedication with atropine sulphate (Atropina solfato, Ati, Ozzano Emila, Bologna Italy) 0.05 mg/kg, the anaesthesia was induced using a mixture of ketamine (Imalgene100, Merial, Italia) 5 m/Kg and medetomidine (Domitor, Pfizer, Roma, Iyaly) 40 mcg/kg i.m. The anaesthesia was maintained with isoflurane (2%) and oxygen was supplied by a cuffed endotracheal tube. Cephalexin (Mylan, Milano Italy) 15 mg/kg was administered at the time of induction. The bitch was in dorsal recumbency and the abdominal region was prepared for standard surgical procedure. One incision caudally to the umbilicus was performed to remove genital appatatus using a standard technique. The postoperative treatment applied was amoxicillin and clavulanic acid (Synulox Pfizer, Roma, Italy) 10 mg/kg and 2.5 mg/kg respectively every 12 h for 7 days. At the opening of abdominal cavity the apex of the bladder appeared adjoined to the umbilicus by means of a short tubular structure. Inside this structure there was a calculus of 4 mm in diameter. The application of light pressure to the bladder not resulted in urine appearing in the umbilical zone and no umbilical stoma was showed. The bladder was normally developed; the lateral ligament and umbilical arteries were in normal condition. After identification of the ureters, the urachus was isolated with a circumferential ligature
2010
Urachal calculi in a dalmatian bitch / Bigliardi, Enrico; P., Gregori. - In: REPRODUCTION IN DOMESTIC ANIMALS. - ISSN 0936-6768. - 45, supplement 3:(2010), pp. 78-78. (Intervento presentato al convegno proceedings of the 14th Annual Conference of the Europeoan Society for domestic animal reproduction (ESDAR) tenutosi a Eger, Hungary nel 15-18 September 2010).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2334710
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