Interrelation between ventricular function myocardial blood flow, and O2 consumption changes at birth in lambs

American Journal of Physiology - Heart and Circulatory Physiology

Volumn 270, Issue 2 39-2, 1996, Pages

  Smolich, Joseph J ^a,b   Berger, Philip J ^a   Walker, Adrian M ^a  

^a MONASH UNIVERSITY   (Australia)

^b MONASH MEDICAL CENTRE   (Australia)

Author keywords

Cardiac function; Fetus; Newborn

Indexed keywords

ANIMAL EXPERIMENT; ANIMAL MODEL; ARTERIAL PRESSURE; ARTICLE; BIRTH; BLOOD FLOW VELOCITY; CONTROLLED STUDY; FETUS DEVELOPMENT; HEART LEFT VENTRICLE PERFORMANCE; HEART LEFT VENTRICLE WORK; HEART MUSCLE BLOOD FLOW; HEART OUTPUT; HEART VENTRICLE FUNCTION; LAMB; NONHUMAN; OXYGEN CONSUMPTION; PRIORITY JOURNAL;

ANIMALS; ANIMALS, NEWBORN; CORONARY CIRCULATION; DELIVERY, OBSTETRIC; FEMALE; GASES; HEMODYNAMIC PROCESSES; OXYGEN CONSUMPTION; PREGNANCY; SHEEP; VENTRICULAR FUNCTION; VENTRICULAR FUNCTION, LEFT;

EID: 0029892368     PISSN: 03636135     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpheart.1996.270.2.h741     Document Type: Article

References (38)

1. Andersen, D. F., J. Bissonette, J. J. Faber, and K. L. Thornburg. Central shunt flows and pressures in the mature fetal lamb. Am. J. Physiol. 241 (Heart Circ. Physiol. 10): H60-H66, 1981.
2. Anderson, P. A. W., K. L. Click, A. Manring, and C. Crenshaw, Jr. Developmental changes in cardiac contractility in fetal and postnatal sheep: in vitro and in vivo. Am. J. Physiol. 247 (Heart Circ. Physiol. 16): H371-H379, 1984.
3. Berger, P. J., D. Gould, C. A. Ranisden, J. J. Smolich, and A. M. Walker. Influence of fetal lung liquid volume on blood gas variables after birth (Abstract). Proc. Aust. Physiol. Pharmacol. Soc. 23: 36P, 1992.
4. Berger, P. J., R. S. C. Horne, M. Soust, A. M. Walker, and J. E. Maloney. Breathing at birth and the associated blood gas and pH changes in the lamb. Bespit. Physiol. 82: 251-266, 1990.
5. Davidson, D. Circulating vasoactive substances and hetnodynamic adjustments at birth in lambs. J. Appl. Physiol. 63: 676-684, 1987.
6. Downing, S. E., and J. C. Lee. Determinants of coronary flow and myocardial metabolism in the newborn lamb. Influences of hypoxia and acidosis. Adv. Exp. Med. Biol. 22: 39-65, 1972.
7. Fisher, D. J. Oxygenation and metabolism in the developing heart. Semin. Perinatol. 8: 217-225, 1984.
8. Fisher, D. J. Acidemia reduces cardiac output and left ventricular contractility in conscious lambs. J. Dev. Physiol. 8: 23-31, 1986.
9. Fisher, D. J., M. A. Heymann, and A. M. Rudolph. Effects of haemorrhage on myocardial consumption of oxygen and carbohydrate in fetal sheep in utero. J. Dev. Physiol. 2: 151-159, 1980
10. Fisher, D. J., M. A. Heymann, and A. M. Rudolph. Myocardial consumption of oxygen and carbohydrates in newborn sheep. Pediatr. Res. 15: 843-846, 1981.
11. Fisher, D. J., M. A. Heymann, and A. M. Rudolph. Regional myocardial blood flow and oxygen delivery in fetal, newborn, and adult sheep. Am. J. Physiol. 243 (Heart Circ. Physiol 12): H729-H731, 1982.
12. Fumia, F. D., D. I. Edelstone, and I. R. Holzman. Blood flow and oxygen delivery to fetal organs as functions of fetal hemato-crit. Am. J. Obstet. Gynecol. 150: 274-282, 1984.
13. Grant, D. A., C. S. Hondo, J. E. Maloney, A. M. Walker, and J. V. Tyberg. Changes in pericardial pressure during the perinatal period. Circulation 86: 1615-1621, 1992.
14. Heymann, M. A., R. K. Creasy, and A. M. Rudolph. Quantitation of blood flow patterns in the foetal lamb in utero. In: Proceedings of the Sir Joseph Barcroft Centenary Symposium. London: Cambridge University Press, 1973, p. 129-135.
15. Heymann, M. A., H. S. Iwamoto, and A. M. Rudolph. Factors affecting changes in the neonatal systemic cireulation. Annu. Rev. Physiol. 43: 371-383, 1981
16. Heymann, M. A., B. D. Payne, J. I. E. Hoffman, and A. M. Rudolph. Blood flow measurements with radionuclide-labelled particles. Prog. Cardiovasc. Dis. 20: 55-79, 1977.
17. Iwamoto, H., D. Teitel, and A. M. Rudolph. Effects of birth-related events on blood flow distribution. Pediatr. Res. 22: 634-640, 1987.
18. Iwata, I., T. Takagi, K. Yamaji, and O. Tanizawa. Increase in the concentration of immunoreactive endothelin in human pregnancy. J. Endocrinol. 129: 301-307, 1991.
19. Kirkpatrick, S. E., J. W. Covell, and W. F. Friedman. A new technique for the continuous assessment of fetal and neonatal cardiac performance. Am. J. Obstet. Gynecol. 116: 963-972, 1973.
20. Lundberg, J. M., A. Hemsen, G. Fried, E. Theodorsson-Norheim, and H. Lagencrantz. Co-release of neuropeptide Y (NPY)-like immunoreactivity and catecholamines in newborn infants. Acta Physiol. Scand. 126: 471-473, 1986.
21. Marcus, M. L. The Coronary Circulation in Health and Disease. New York: McGraw-Hill, 1983, p. 65-92.
22. Parrish, M. D., and S. Parrar. Force and oxygen consumption in the immature rabbit heart. Pediatr. Res. 27: 476-482, 1990.
23. Peeters, L. L., R. E. Sheldon, M. D. Jones, Jr., E. L. Makowski, and G. Meschia. Blood flow to fetal organs as a function of arterial oxygen content. Am. J. Obstet. Gynecol. 135: 637-646, 1979.
24. Peine, H. Matching between right ventricle and pulmonary bed. In: Ventricular I Vascular Coupling, edited by F. C. P. Yin. New York: Springer Vertag, 1987, p. 180-202.
25. Riemenschneider, T. A., R. A. Brenner, and D. T. Mason. Maturational changes in myocardial contractile state of newborn iambs. Pediatr. Res. 15: 349-356, 1981.
26. Romero, T., J. Covell, and W. F. Friedman. A comparison of pressure-volume relations of the fetal, newborn and adult heart. Am. J. Physiol. 222: 3285-1290, 1972.
27. Rudolph, A. M. Fetal and neonatal pulmonary circulation. Annu. Rev. Physiol. 41: 3S3-395, 1979.
28. Rudolph, A. M. Distribution and regulation of blood flow in the fetal and neonatal lamb. Circ. Res. 57: 811-821, 1985.
29. Sidi, D., J. R. G. Kuipers, D. Teitel, M. A. Heymann, and A. M. Rudolph, Developmental changes in Oxygenation and circufatory responses to hypoxemia in lawibs. Am. J. Physiol. 245 (Heart Circ. Physiol 14): H674-H682, 1983.
30. Staolich, J. J. The Structural and Functional Development of the Sheep Heart (Ph.D. thesis). Clayton, Victoria, Australia: Monash University, 1986.
31. Smolich, J. J., M. Soust, P. J. Berger, and. A. M. Walker. Indirect relation between rises in oxygen consumption and left ventricular output at birth in lambs. Circ. Res. 71: 443-450, 1992.
32. Smolich, J. J., A. M. Walker, G. R. Campbell, and T. M. Adamson. Left and right ventricular myocardial morphometry in fetal, neonatal, and adult sheep. Am. J. Physiol. 257 (Heart Circ. Physiol. 26): H1-H9, 1989.
33. Snedecor, G. W., and W. G. Cochran. Statistical Methods (7th ed.). Iowa City: Iowa State University Press, 1980.
34. 2 consumption and pressure-volume area in puppies. Am. J. Physiol. 253 (Heart Circ Physiol. 22): H770-H776, 1987.
35. Teitel, D. F., H. S. Iwamoto, and A. M. Rudolph. Effects of birth-related events on central blood flow patterns. Pediatr. Res. 22: 557-566, 1987.
36. 2 in conscious lambs with an aortopulmonary shunt. Am. J. Physiol. 252 (Heart Circ. Physiol. 21): H681-H686, 1987.
37. Wallenstein, S., C. L. Zucker, and J. L. Fleiss. Some statistical methods useful in circulation research. Circ. Res. 47: 1-9, 1980.
38. Wladimiroff, J. W., R. Vosters, and J. S. McGhie. Normal cardiac ventricular geometry and function during the last trimester of pregnancy and early neonatal period. Br. J. Obstet. Gynaecol. 89: 839-844, 1982.