Journal of pediatric surgery · 1998
Significance of fractional excretion of sodium and endothelin levels in the early diagnosis of renal failure in septic neonatal piglets.
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Lievano G, Nguyen L, Radhakrishnan J, Fornell L, Joshi A, John E G
Аннотация
PURPOSE: This experiment was designed to help understand the cascade of events that end in renal impairment in septic animals.
METHODS: Twenty 3- to 8-day-old piglets were anesthetized and the femoral artery, jugular and femoral veins, and bladder were catheterized. After stabilization under anesthesia with ventilatory support, they were divided into a control group and three groups that received endotoxin (ETX) in doses of 0.01 mg/kg, 0.025 mg/kg, and 0.05 mg/kg. Blood pressure and blood gases were monitored continuously. Blood and urine samples were obtained before (B), 1 hour (E1), and 3 hours (E3) after the bolus of ETX to determine glomerular filtration rate (GFR), fractional excretion of sodium (FENa), tumor necrosis factor (TNF), and endothelin-1 (ET-1) levels.
RESULTS: Incremental doses of ETX induce greater release of ET-1 with an early proportionate increase in FENa (P< .05) and late decrease in GFR (P< .05). TNF release is dose and time dependent after ETX injection (P < .05).
CONCLUSION: ET-1 and FENa are the best tests to evaluate renal failure during early sepsis in neonatal piglets.
METHODS: Twenty 3- to 8-day-old piglets were anesthetized and the femoral artery, jugular and femoral veins, and bladder were catheterized. After stabilization under anesthesia with ventilatory support, they were divided into a control group and three groups that received endotoxin (ETX) in doses of 0.01 mg/kg, 0.025 mg/kg, and 0.05 mg/kg. Blood pressure and blood gases were monitored continuously. Blood and urine samples were obtained before (B), 1 hour (E1), and 3 hours (E3) after the bolus of ETX to determine glomerular filtration rate (GFR), fractional excretion of sodium (FENa), tumor necrosis factor (TNF), and endothelin-1 (ET-1) levels.
RESULTS: Incremental doses of ETX induce greater release of ET-1 with an early proportionate increase in FENa (P< .05) and late decrease in GFR (P< .05). TNF release is dose and time dependent after ETX injection (P < .05).
CONCLUSION: ET-1 and FENa are the best tests to evaluate renal failure during early sepsis in neonatal piglets.