The effects of continuous drainage of fetal fluids on salt and water balance in fetal sheep

Journal of Physiology

Volumn 494, Issue 2, 1996, Pages 443-450

  Gibson, Karen J ^a   Lumbers, Eugenie R ^a  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

CHLORIDE; POTASSIUM; SODIUM;

AMNION FLUID; ANIMAL EXPERIMENT; ARTERIAL PRESSURE; ARTICLE; BLOOD GAS; CHLORIDE BLOOD LEVEL; CONTROLLED STUDY; EXTRACELLULAR SPACE; FEMALE; FETUS; FETUS BLOOD; FETUS GROWTH; FLUID BALANCE; FLUID INTAKE; FLUID TRANSPORT; GLOMERULUS FILTRATION RATE; HEART RATE; HEMATOCRIT; KIDNEY FUNCTION; LUNG FLUID; NONHUMAN; PLACENTAL TRANSFER; PLASMA OSMOLALITY; POTASSIUM BLOOD LEVEL; PRIORITY JOURNAL; RENIN ANGIOTENSIN ALDOSTERONE SYSTEM; SHEEP; SODIUM BALANCE; SODIUM BLOOD LEVEL; SODIUM TRANSPORT; SODIUM URINE LEVEL; URINE; URINE OSMOLALITY;

EID: 0029799098     PISSN: 00223751     EISSN: None     Source Type: Journal    
DOI: 10.1113/jphysiol.1996.sp021504     Document Type: Article

References (38)

1. ANDERSON, D. F., FABER, J. J. & PARKS, C. M. (1988). Extraplacental transfer of water in the sheep. Journal of Physiology 406, 75-84.
2. ARMENTROUT, T., KATZ, S., THORNBURG, K. L. & FABER, J. J. (1977). Osmotic flow through the placental barrier of chronically prepared sheep. American Journal of Physiology 233, H466-474.
3. BRACE, R. A. & CHEUNG, C. Y. (1987). Cardiovascular and fluid responses to atrial natriuretic factor in sheep fetus. American Journal of Physiology 253, R561-567.
4. BRACE, R. A. & MOORE, T. R. (1991). Diurnal rhythms in fetal urine flow, vascular pressures, and heart rate in sheep. American Journal of Physiology 261, R1015-1021.
5. BROUGHTON PIPKIN, F., LUMBERS, E. R. & MOTT, J. C. (1974). Factors influencing plasma renin and angiotensin II in the conscious pregnant ewe and its fetus. Journal of Physiology 243, 619-636.
6. CASTRO, R., ERVIN, M. G., LEAKE, R. D., Ross, M. G., SHERMAN, D. J. & FISHER, D. A. (1991). Fetal renal response to atrial natriuretic factor decreases with maturation. American Journal of Physiology 260, R346-352.
7. CONRAD, E. E. & FABER, J. J. (1977). Water and electrolyte acquisition across the placenta of the sheep. American Journal of Physiology 233, H475-487.
8. DICKSON, K. A. & HARDING, R. (1989). Decline in lung liquid volume and secretion rate during oligohydramnios in fetal sheep. Journal of Applied Physiology 67, 2401-2407.
9. DICKSON, K. A., HOOPER, S. B., MCMILLEN, I. C. & HARDING, R. (1990). Endocrine and fluid-balance responses to amniotic and allantoic fluid loss in sheep. American Journal of Physiology 259, R745-752.
10. FABER, J. J. & ANDERSON, D. A. (1992). Current topic: water volume of the ovine conceptus; point of view. Placenta 13, 199-212.
11. GIBSON, K. J. & LUMBERS, E. R. (1992). Mechanisms by which the pregnant ewe can sustain increased salt and water supply to the fetus. Journal of Physiology 445, 569-579.
12. GIBSON, K. J. & LUMBERS, E. R. (1993). The roles of arginine vasopressin in fetal sodium balance and as a mediator of the effects of fetal 'stress'. Journal of Developmental Physiology 19, 125-136.
13. GIBSON, K. J. & LUMBERS, E. R. (1995). Extracellular volume and blood volume in chronically catheterized fetal sheep. Journal of Physiology 485, 835-844.
14. GILBERT, W. M. (1992). Rapid intramembranous absorption of water infused into the ovine allantoic cavity. American Journal of Obstetrics and Gynecology 167, 1742-1747.
15. GILBERT, W. M. & BRACE, R. A. (1989). The missing link in amniotic fluid volume regulation: intramembranous absorption. Obstetrics and Gynaecology 74, 748-753.
16. HILL, K. J. & LUMBERS, E. R. (1988). Renal function in adult and fetal sheep. Journal of Developmental Physiology 10, 149-159.
17. KESBY. G. J. & LUMBERS, E. R. (1980). Factors affecting renal handling of sodium, hydrogen ions, and bicarbonate by the fetus. American Journal of Physiology 251, F226-231.
18. KESBY, G. J. & LUMBERS, E. R. (1988). The effects of metabolic acidosis on renal function of fetal sheep. Journal of Physiology 396, 65-74.
19. LANGLANDS, J. P. & SUTHERLAND, H. A. M. (1968). An estimate of the nutrients utilized for pregnancy by merino sheep. British Journal of Nutrition 22, 217-227.
20. LUMBERS, E. R., HILL, K. J. & BENNETT, V. J. (1988). Proximal and distal tubular activity in chronically catheterized fetal sheep compared with the adult. Canadian Journal of Physiology and Pharmacology 66, 697-702.
21. LUMBERS, E. R. & LEE LEWES, J. (1979). The actions of vasoactive drugs on fetal and maternal plasma renin activity. Biology of the Neonate 35, 23-32.
22. LUMBERS, E. R. & SMITH, F. G. (1989). Measurement of net sodium intake by the ovine fetus with oesophageal ligation. Clinical and Experimental Physiology and Pharmacology 16, 859-866.
23. LUMBERS, E. R., SMITH, F. G. & STEVENS, A. D. (1985). Measurement of net transplacental transfer of fluid to the fetal sheep. Journal of Physiology 364, 289-299.
24. LUMBERS, E. R. & STEVENS, A. D. (1983). Changes in fetal renal function in response to infusions of a hyperosmotic solution of mannitol to the ewe. Journal of Physiology 343, 439-446.
25. MCMILLEN, I. C., THORBURN, G. D. & WALKER, D. W. (1987). Diurnal variations in plasma concentrations of cortisol, prolactin, growth hormone and glucose in the fetal sheep and pregnant ewe during late gestation. Journal of Endocrinology 114, 65-72.
26. MINER, L. K., BRACE, R. A. & CHEUNG, C. Y. (1990). Temporal relationships among fetal urine flow, ANF, and AVP responses to hypertonic infusions. American Journal of Physiology 258, R469-475.
27. RATTRAY, P. V., GARRETT, W. N., EAST, N. E. & HINMAN, N. (1974). Growth, development and composition of the ovine conceptus and mammary gland during pregnancy. Journal of Animal Science 38, 613-626.
28. ROBILLARD, J. E., MATSON, J. R., SESSIONS, C. & SMITH, F. G. (1979). Developmental aspects of renal tubular reabsorption of water in the lamb fetus. Pediatric Research 13, 1172-1176.
29. ROBILLARD, J. E. & NAKAMURA, K. T. (1988). Neurohormonal regulation of renal function during development. American Journal of Physiology 254, F771-779.
30. ROBILLARD, J. E., SESSIONS, C., KENNEDEY, R. L., HAMEL-ROBILLARD, L. & SMITH, F. G. (1977). Interrelationship between glomerular filtration rate and renal transport of sodium and chloride during fetal life. American Journal of Obstetrics and Gynecology 128, 727-734.
31. ROBILLARD, J. E. & WEITZMAN, R. E. (1980). Developmental aspects of the fetal renal response to exogenous vasopressin. American Journal of Physiology 238, F407-414.
32. SCHRODER, H. J. (1989). Basics of placental structures and transfer functions. In Reproductive and Perinatal Medicine, vol. XI, Fetal and Neonatal Body Fluids, ed. BRACE, R. A., Ross, M. G. & ROBILLARD, J. E. E., pp. 187-226. Perinatology Press, New York.
33. SIEGEL, S. R. & FISHER, D. A. (1980). Ontogeny of the renin-angiotensin-aldosterone system in the fetal and newborn lamb. Pediatric Research 14, 99-102.
34. STEVENS, A. D. & LUMBERS, E. R. (1986). Effect on maternal and fetal renal function and plasma renin activity of a high salt intake by the ewe. Journal of Developmental Physiology 8, 267-275.
35. WEEDON, A. P., STACEY, T. E., WARD, R. H. T. & BOYD, R. D. H. (1978). Bidirectional sodium fluxes across the placenta of conscious sheep. American Journal of Physiology 235, F536-541.
36. WINTOUR, E. M., BELL, R. J., CONGUI, M., MACISAAC, R. J. & WANG, X. (1985). The value of urine osmolality as an index of stress in the ovine fetus. Journal of Developmental Physiology 7, 347-354.
37. WLODEK, M. E., HARDING, R. & THORBURN, G. D. (1992). Fetal-maternal fluid and electrolyte relations during chronic fetal urine loss in sheep. American Journal of Physiology 263, F671-679.
38. ZAR, J. H. (1984). Biostatistical Analysis, 2nd edn. Prentice-Hall International, Englewood Cliffs, New Jersey.