Effects of intravascular infusions of plasma on placental and systemic blood flow in fetal sheep

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 291, Issue 6, 2006, Pages

  Giraud, George D ^a,b   Faber, J Job ^a   Jonker, Sonnet S ^a   Davis, Lowell ^a   Anderson, Debra F ^a  

^a OREGON HEALTH AND SCIENCE UNIVERSITY   (United States)

^b PORTLAND VA MEDICAL CENTER   (United States)

Author keywords

Blood pressure; Fetal sheep; Placental flow; Placental resistance; Systemic flow; Systemic resistance

Indexed keywords

PLASMA PROTEIN; RENIN;

ARTERIAL PRESSURE; ARTICLE; CONTROLLED STUDY; FETUS; NONHUMAN; PLACENTA CIRCULATION; PLASMA RENIN ACTIVITY; PRIORITY JOURNAL; SHEEP; SYSTEMIC CIRCULATION; VENOUS PRESSURE;

ANIMALS; BLOOD PRESSURE; CARDIAC OUTPUT; FEMALE; FETUS; HYPERTENSION; PLACENTA; PLACENTAL CIRCULATION; PLASMA; PREGNANCY; REGIONAL BLOOD FLOW; RENIN; SHEEP; UMBILICAL ARTERIES; VASCULAR RESISTANCE;

EID: 33845425635     PISSN: 03636135     EISSN: 15221539     Source Type: Journal    
DOI: 10.1152/ajpheart.00428.2006     Document Type: Article

References (20)

1. Adamson SL, Morrow RJ, Bull SB, and Langille BL. Vasomotor responses of the umbilical circulation in fetal sheep. Am J Physiol Regul Integr Comp Physiol 256: R1056-R1062, 1989.
2. Anderson DF, Barbera A, and Faber JJ. Substantial reductions in blood pressure after bilateral nephrectomy in fetal sheep. Am J Physiol Heart Circ Physiol 266: H17-H20, 1994.
3. Barbera A, Giraud GD, Reller MD, Maylie J, Morton MJ, and Thornburg KL. Right ventricular systolic pressure load alters myocyte maturation in fetal sheep. Am J Physiol Regul Integr Comp Physiol 279: R1157-R1164, 2000.
4. Berne RM and Levy MN. Physiology (4th ed.). St. Louis, MO: Mosby, The peripheral circulation. In: Physiology (4th ed.) 1998, p. 445.
5. Binder ND and Anderson DF. Plasma renin activity responses to graded decreases in renal perfusion pressure in fetal and newborn lambs. Am J Physiol Regul Integr Comp Physiol 262: R524-R529, 1992.
6. Borst JGG and Borst-de Geus A. Hypertension explained by Starling's theory of circulatory homoeostasis. Lancet 1: 677-682, 1963.
7. Cowley AW Jr. Long-term control of arterial blood pressure. Physiol Rev 72: 231-300, 1992.
8. Faber JJ and Anderson DF. Hydrops fetalis in nephrectomized fetal lambs infused with angiotensin I. Am J Physiol Regul Integr Comp Physiol 267: R1522-R1527, 1994.
9. Faber JJ and Anderson DF. Angiotensin mediated interaction of fetal kidney and placenta in control of fetal arterial pressure and its role in hydrops fetalis. Placenta 18: 313-326, 1997.
10. Faber JJ, Anderson DF, and Binder ND. Delayed vasoconstriction of the umbilico-placental circulation by angiotensin in fetal sheep. Placenta 19: 675-676, 1998.
11. Faber JJ, Anderson DF, Jonker SS, Davis L, and Giraud GD. Fetal infusions of plasma cause an increase in umbilical vascular resistance in sheep. Placenta 27: 876-881, 2006.
12. Gilbert RD. Control of fetal cardiac output during changes in blood volume. Am J Physiol Heart Circ Physiol 238: H80-H86, 1980.
13. Gilbert RD. Effects of afterload and baroreceptors on cardiac function in fetal lambs. J Dev Physiol 4: 299-310, 1982.
14. Giraud GD, Faber JJ, Jonker S, Davis L, and Anderson D. Intravascular infusions of plasma into fetal sheep cause arterial and venous hypertension. J Appl Physiol 99: 884-889, 2005.
15. Guyton AC, Coleman TG, Cowley AW Jr, Manning RD, Norman RA, and Ferguson JD. A systems approach to understanding long-range arterial blood pressure control and hypertension. Circ Res 35: 159-176, 1974.
16. Hall JE, Leland M, and Woods LL. The renin-angiotensin system and long-term regulation of arterial pressure. J Hypertens 4: 387-397, 1986.
17. Heymann MA and Rupolph AM. Effects of increasing preload on right ventricular output in fetal lambs in utero (Abstract). Circulation 48, Suppl IV: 37, 1973.
18. Lang U, Baker RS, Khoury J, and Clark KE. Fetal umbilical vascular response to chronic reductions in uteroplacental blood flow in late-term sheep. Am J Obstet Gynecol 187: 178-186, 2002.
19. Rosenfeld CR, Gresores A, Roy TA, and Magness RR. Comparison of ANG II in fetal and pregnant sheep. Am J Physiol Endocrinol Metab 268: E237-E247, 1995.
20. Thornburg KL and Morton MJ. Filling and arterial pressures as determinants of RV stroke volume in the sheep fetus. Am J Physiol Heart Circ Physiol 244: H656-H663, 1983.