Gross placental morphology and foal serum biochemistry as predictors of foal health
2014
Pirrone, A. | Antonelli, C. | Mariella, J. | Castagnetti, C.
The aim of this study was to verify if changes in blood glucose, creatinine, urea, and fibrinogen concentrations evaluated at birth reflect gross placenta abnormalities, and are useful to identify foals that suffered from placental dysfunction. A total of 92 mares were included in the present study: 68 delivered healthy foals and they were included in group 1; 24 delivered sick foals and they were included in group 2. In group 2, foals' clinical diagnoses included perinatal asphyxia syndrome (PAS; n = 20) and prematurity and/or dysmaturity (n = 4). The proportion of sick foals was greater when placental abnormalities were observed (χ2 [1, n = 89] = 5.00; P = 0.025). Serum creatinine concentration at birth was higher in sick than in healthy foals (P = 0.003), and blood glucose concentrations at birth was smaller in sick than in healthy foals (P = 0.007). No difference was found in blood chemistry results between survivors and nonsurvivors of group 2. Serum creatinine concentration was higher in foals born from grossly abnormal than in foals born from grossly normal placenta (P = 0.029), and it was higher in foals affected by PAS (311.17 μmol/L) than in healthy foals (238.24 μmol/L) (P = 0.004). In a clinical setting, serum creatinine and blood glucose concentrations should be evaluated at birth, particularly in foals born from grossly abnormal placenta. The association of clinical and laboratory data could be particularly important to promptly identify and treat foals with a higher risk to develop PAS.
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