Periódicos Brasileiros em Medicina Veterinária e Zootecnia

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Hipoglicemia associada à cetose em cadelas na fase final de gestação

Haddad Neta, JamileTrautwein, Luiz Guilherme CorsiMartins, Maria Isabel Mello

Background: Pregnancy toxemia is a metabolic disorder characterized by hypoglycemia and ketonemia, resulted from the inability of the animal to maintain an adequate energetic balance associated with increased corporal fat mobilization to supply energetic requirement, that can place the health and life of the bitch and their fetus at risk. Despite well recognized in sheep as pregnancy toxemia and in women as preeclampsia, hypoglycemia and ketosis is an uncommon condition in bitches. Apparently, five documented cases have been published since 1964. The objective of this work is to discuss clinical cases of hypoglycemia and ketosis.Cases: Two cases of gestational ketosis in bitches on late gestational phase are reported. Case 1. In the first one, a small bitch was presented in labor, with fetus insinuation, prostration, dehydration, pale mucous membranes with laboratorial signs of normochromic and normocytic anemia and anisocytosis, signals of fetal distress in abdominal ultrasonography, hypoglycemia (43 mg/dL) and ketonemia (3.6 mmol/L). Therapeutic course consisted of correction of dehydration and 50% glucose replacement at the dose of 0.5 mg / kg, followed by caesarean section and ovariohysterectomy. Except for the insinuated fetus, all the five remainings were born alive and survived, and the post-surgical recovery occurred without complications. Case 2. The second case involved a small 55-day pregnant bitch, presenting depression, apathy, anorexia, dehydration, abdominal distention compatible with final third of pregnancy without delivery signs. There were signs of fetal distress at ultrasonographic examination, with depression and lack of responses to mechanical stimuli. Laboratory findings include microccytic hypochromic anemia, hypoglycemia (31 mg/dL) and ketonemia detected by urinalysis reagent tape. Three hours after intravenous administration of 50% glucose at the dose of 1.0 mg/kg, the animal was alert and nourished.[...](AU)

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