Complexity of heart rate fluctuations in near-term sheep and human fetuses during sleep

Biomedizinische Technik

Volumn 51, Issue 4, 2006, Pages 233-236

  Frank, Birgit ^a   Frasch, Martin G ^a   Schneider, Uwe ^a   Roedel, Marcus ^a   Schwab, Matthias ^a   Hoyer, Dirk ^a  

^a FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

Author keywords

Complexity; Fetal heart rate fluctuations; Fetal sheep; Permutation entropy; Sleep states

Indexed keywords

DATA REDUCTION; EYE MOVEMENTS; FETAL MONITORING; NEUROLOGY;

FETAL HEART RATE FLUCTUATIONS; FETAL SHEEP; PERMUTATION ENTROPY; SLEEP STATES;

CARDIOLOGY;

ANIMAL EXPERIMENT; AUTONOMIC NERVOUS SYSTEM; CONFERENCE PAPER; CONTROLLED STUDY; ENTROPY; FETUS; FETUS HEART RATE; HEART RATE VARIABILITY; HUMAN; HUMAN EXPERIMENT; NONHUMAN; REM SLEEP; SLEEP; SPECIES DIFFERENCE; TIME; ALGORITHM; ANIMAL; ARTICLE; BIOLOGICAL MODEL; COMPUTER SIMULATION; HEART RATE; PHYSIOLOGY; SHEEP; SLEEP STAGE;

ALGORITHMS; ANIMALS; COMPUTER SIMULATION; HEART RATE; HEART RATE, FETAL; MODELS, CARDIOVASCULAR; SHEEP; SLEEP STAGES; SPECIES SPECIFICITY;

EID: 34247270262     PISSN: 00135585     EISSN: None     Source Type: Journal    
DOI: 10.1515/BMT.2006.044     Document Type: Conference Paper

References (16)

1. Bandt C, Pompe B. Permutation entropy: a natural complexity measure for time series. Phys Rev Lett 2002; 88: 174102.
2. Costa M, Goldberger AL, Peng CK. Multiscale entropy analysis of complex physiologic time series. Phys Rev Lett 2002; 89: 068102.
3. Frank, B, Pompe B, Schneider U, Hoyer D. Permutation entropy improves fetal behavioural state classification based on heart rate analysis from biomagnetic recordings in near term fetuses. Med Biol Eng Comput 2005; 44: 179-187.
4. Groome LJ, Mooney DM, Bentz LS, Wilson JD. Vagal tone during quiet sleep in normal human term fetuses. Dev Psychobiol 1994; 27: 453-466.
5. Hoyer D, Bauer R, Pompe B, et al. Nonlinear analysis of the cardiorespiratory coordination of a newborn piglet. In: Kantz H, Kurths J, Mayer-Kress G, editors. Nonlinear analysis of physiological data. Springer Synergetics Series. Berlin: Springer 1998: 167-190.
6. Karin J, Hirsch M, Akselrod S. An estimate of fetal autonomic state by spectral analysis of fetal heart rate fluctuations. Pediatr Res 1993; 34: 134-138.
7. Metsala TH, Siimes AS, Antila KJ, Tuomonen J, Valimaki IA. Computer analysis of heart rate variation and breathing movements in fetal lambs. Med Biol Eng Comput 1993; 31: 221-228.
8. Nijhuis JG, Prechtl HF, Martin CB Jr, Bots RS. Are there behavioural states in the human fetus? Early Hum Dev 1982; 6: 177-195.
9. Pillai MJ. Development of human fetal behaviour: a review. Fetal Diagn Ther 1990; 5: 15-32.
10. Pincus SM, Viscarello RR. Approximate entropy: a regularity measure for fetal heart rate analysis. Obstet Gynecol 1992; 79: 249-255.
11. Schwab M, Schmidt K, Roedel M, et al. Non-linear changes of electrocortical activity after antenatal betamethasone treatment in fetal sheep. J Physiol 2001; 531: 535-543.
12. Szeto HH, Hinman DJ. Prenatal development of sleep-wake patterns in sheep. Sleep 1985; 8: 347-355.
13. Van Leeuwen P, Lange S, Bettermann H, Gronemeyer DH. Fetal heart rate variability and complexity in the course of pregnancy. Early Hum Dev 1999; 54: 259-269.
14. Visser GH. Fetal behaviour and the cardiovascular system. J Dev Physiol 1984; 6: 215-224.
15. Wakai RT. Assessment of fetal neurodevelopment via fetal magnetocardiography. Exp Neurol 2004; 190 (Suppl 1): S65-71.
16. Zhu YS, Szeto HH. Cyclic variation in fetal heart rate and sympathetic activity. Am J Obstet Gynecol 1987; 156: 1001-1005.