Do fetal electrocardiogram PR-RR changes reflect progressive asphyxia after repeated umbilical cord occlusion in fetal sheep?

Pediatric Research

Volumn 44, Issue 3, 1998, Pages 297-303

  Westgate, Jenny A ^a   Gunn, Alistair J ^a   Bennet, Laura ^a   Gunning, Mark I ^a   De Haan, Harmen H ^a   Gluckman, Peter D ^a  

^a UNIVERSITY OF AUCKLAND   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; BLOOD VESSEL OCCLUSION; CONTROLLED STUDY; FETUS; FETUS ELECTROCARDIOGRAPHY; HEMODYNAMICS; MEAN ARTERIAL PRESSURE; NONHUMAN; PR INTERVAL; PRIORITY JOURNAL; RR INTERVAL; SHEEP; UMBILICAL CORD;

EID: 0031870573     PISSN: 00313998     EISSN: None     Source Type: Journal    
DOI: 10.1203/00006450-199809000-00006     Document Type: Article

References (25)

1. Vintzileos AM, Nochimson DJ, Guzman ER, Knuppel RA, Lake M, Schifrin BS 1995 Intrapartum electronic fetal heart rate monitoring versus intermittent auscultation: a meta-analysis. Obstet Gynecol 85:149-155
2. Thacker SB, Stroup DF, Peterson HB 1995 Efficacy and safety of intrapartum electronic fetal monitoring: an update. Obstet Gynecol 86:613-620
3. Nelson KB, Dambrosia JM, Ting TY, Grether JK 1996 Uncertain value of electronic fetal monitoring in predicting cerebral palsy. N Engl J Med 334:613-618
4. Murray HG 1986 The fetal electrocardiogram: current clinical developments in Nottingham. J Perinat Med 14:399-404
5. Mohajer MP, Sahota DS, Reed NN, Chang A, Symonds EM, James DK 1994 Cumulative changes in the fetal electrocardiogram and biochemical indices of fetal hypoxia. Eur J Obstet Gynecol Reprod Biol 55:63-70
6. Luzietti R, Erkkola R, Hasbargen U, Mattson LA, Thoulon JM, Rosen KG 1997 European Community Multicentre Trial "Fetal ECG Analysis during Labour": the P-R interval. J Perinat Med 25:27-34
7. Widmark C, Lindecrantz K, Murray H, Rosen KG 1992 Changes in the PR, RR intervals and ST waveform of the fetal lamb electrocardiogram with acute hypoxemia. J Dev Physiol 18:99-103
8. van Wijngaarden WJ, de Haan HH, Sahota DS, James DK, Symonds EM, Hasaart TH 1996 Changes in the PR interval-fetal heart rate relationship of the electrocardiogram during fetal compromise in chronically instrumented sheep. Am J Obstet Gynecol 175:548-554
9. de Haan HH, Gunn AJ, Gluckman PD 1997 Fetal heart rate changes during brief repeated umbilical cord occlusion do not reflect cardiovascular deterioration in fetal lambs. Am J Obstet Gynecol 176:8-17
10. de Haan HH, Gunn AJ, Williams CE, Gluckman PD 1997 Brief repeated umbilical cord occlusions cause sustained cytotoxic cerebral edema and focal infarcts in near-term fetal lambs. Pediatr Res 41:96-104
11. Mallard EC, Gunn AJ, Williams CE, Johnston BM, Gluckman PD 1992 Transient umbilical cord occlusion causes hippocampal damage in the fetal sheep. Am J Obstet Gynecol 167:1423-1430
12. Warner MR, Loeb JM 1987 Reflex regulation of atrioventricular conduction. Am J Physiol 252:H1077-H1085
13. Jensen A, Lang U 1992 Foetal circulatory responses to arrest of uterine blood flow in sheep: effects of chemical sympathectomy. J Dev Physiol 17:75-86
14. Jensen A, Kunzel W, Kastendieck E 1987 Fetal sympathetic activity, transcutaneous PO2, and skin blood flow during repeated asphyxia in sheep. J Dev Physiol 9:337-346
15. Bartelds B, Van Bel F, Teitel DF, Rudolph AM 1993 Carotid, not aortic, chemoreceptors mediate the fetal cardiovascular response to acute hypoxemia in lambs. Pediatr Res 34:51-55
16. Giussani DA, Spencer JA, Moore PJ, Bennet L, Hanson MA 1993 Afferent and efferent components of the cardiovascular reflex responses to acute hypoxia in term fetal sheep. J Physiol 461:431-449
17. Jensen A, Hanson MA 1995 Circulatory responses to acute asphyxia in intact and chemodenervated fetal sheep near term. Reprod Fertil Dev 7:1351-1359
18. Hirata A 1990 Effect of hypoxia on electrical activity of atrioventricular nodal cells and atrial cells of the rabbit's heart. J Electrocardiol 23:69-76
19. Clemo HF, Bourassa A, Linden J, Belardinelli L 1987 Antagonism of the effects of adenosine and hypoxia on atrioventricular conduction time by two novel alkylxanthines: correlation with binding to adenosine A1 receptors. J Pharmacol Exp Ther 242:478-484
20. Rosen KG, Hrbek A, Karlsson K, Kjellmer I 1986 Fetal cerebral, cardiovascular and metabolic reactions to intermittent occlusion of ovine maternal placental blood flow. Acta Physiol Scand 126:209-216
21. Mohajer MP, Sahota DS, Reed NN, James DK 1995 Atrioventricular block during fetal heart rate decelerations. Arch Dis Child Fetal Neonat Ed 72:F51-F53
22. Pardi G, Tucci E, Uderzo A, Zanini D 1974 Fetal electrocardiogram changes in relation to fetal heart rate patterns during labor. Am J Obstet Gynecol 118:243-250
23. Marvell CJ, Kirk DL, Jenkins HM, Symonds EM 1980 The normal condition of the fetal electrocardiogram during labour. Br J Obstet Gynaecol 87:786-796
24. Yeh MN, Morishima HO, Niemann WH, James LS 1975 Myocardial conduction defects in association with compression of the umbilical cord. Experimental observations on fetal baboons. Am J Obstet Gynecol 121:951-957
25. Boyden PA, Dresdner KP, Jr. 1990 Electrogenic Na(+)-K+ pump in Purkinje myocytes isolated from control noninfarcted and infarcted hearts. Am J Physiol 258:H766-H772