Spectral analysis of antepartum fetal heart rate variability from fetal magnetocardiogram recordings
Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32–38 weeks. Maternal interference was negligible and R-wave detection was highly reliable. Oscillations suggestive of respiratory sinus arrhythmia (RSA) were prominent in many of the h...
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| Published in | Early human development Vol. 35; no. 1; pp. 15 - 24 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Lausanne
Elsevier Ireland Ltd
01.11.1993
New York,NY Elsevier Amsterdam |
| Subjects | |
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| Abstract | Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32–38 weeks. Maternal interference was negligible and R-wave detection was highly reliable. Oscillations suggestive of respiratory sinus arrhythmia (RSA) were prominent in many of the heart rate tracings. Spectral analysis was used to quantify heart rate variability and to examine the influence of the RSA-like oscillations on heart rate variability. The oscillations were associated with increased power in the frequency range 0.4–1.0 Hz (
P ≤ 0.05). Magnetic recording appears to offer significant advantages for investigation of beat-to-beat fetal heart rate throughout the latter stages of pregnancy. |
|---|---|
| AbstractList | Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32-38 weeks. Maternal interference was negligible and R-wave detection was highly reliable. Oscillations suggestive of respiratory sinus arrhythmia (RSA) were prominent in many of the heart rate tracings. Spectral analysis was used to quantify heart rate variability and to examine the influence of the RSA-like oscillations on heart rate variability. The oscillations were associated with increased power in the frequency range 0.4-1.0 Hz (P < or = 0.05). Magnetic recording appears to offer significant advantages for investigation of beat-to-beat fetal heart rate throughout the latter stages of pregnancy. Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32–38 weeks. Maternal interference was negligible and R-wave detection was highly reliable. Oscillations suggestive of respiratory sinus arrhythmia (RSA) were prominent in many of the heart rate tracings. Spectral analysis was used to quantify heart rate variability and to examine the influence of the RSA-like oscillations on heart rate variability. The oscillations were associated with increased power in the frequency range 0.4–1.0 Hz ( P ≤ 0.05). Magnetic recording appears to offer significant advantages for investigation of beat-to-beat fetal heart rate throughout the latter stages of pregnancy. Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32-38 weeks. Maternal interference was negligible and R-wave detection was highly reliable. Oscillations suggestive of respiratory sinus arrhythmia (RSA) were prominent in many of the heart rate tracings. Spectral analysis was used to quantify heart rate variability and to examine the influence of the RSA-like oscillations on heart rate variability. The oscillations were associated with increased power in the frequency range 0.4-1.0 Hz (P < or = 0.05). Magnetic recording appears to offer significant advantages for investigation of beat-to-beat fetal heart rate throughout the latter stages of pregnancy.Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32-38 weeks. Maternal interference was negligible and R-wave detection was highly reliable. Oscillations suggestive of respiratory sinus arrhythmia (RSA) were prominent in many of the heart rate tracings. Spectral analysis was used to quantify heart rate variability and to examine the influence of the RSA-like oscillations on heart rate variability. The oscillations were associated with increased power in the frequency range 0.4-1.0 Hz (P < or = 0.05). Magnetic recording appears to offer significant advantages for investigation of beat-to-beat fetal heart rate throughout the latter stages of pregnancy. |
| Author | Wang, Minghong Martin, C.B. Wakai, Ronald T. Pedron, Stephen L. Reid, Deborah L. |
| Author_xml | – sequence: 1 givenname: Ronald T. surname: Wakai fullname: Wakai, Ronald T. organization: Department of Medical Physics University of Wisconsin-Madison, Madison, Wisconsin, USA – sequence: 2 givenname: Minghong surname: Wang fullname: Wang, Minghong organization: Department of Medical Physics University of Wisconsin-Madison, Madison, Wisconsin, USA – sequence: 3 givenname: Stephen L. surname: Pedron fullname: Pedron, Stephen L. organization: Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, Wisconsin, USA – sequence: 4 givenname: Deborah L. surname: Reid fullname: Reid, Deborah L. organization: Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, Wisconsin, USA – sequence: 5 givenname: C.B. surname: Martin fullname: Martin, C.B. organization: Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, Wisconsin, USA |
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| Cites_doi | 10.1016/0002-9378(86)90156-0 10.1016/0002-9378(85)90262-5 10.1016/0002-9378(77)90036-9 10.1016/0141-5425(90)90138-D 10.1111/j.1471-0528.1980.tb04567.x 10.1016/S0002-9378(11)91577-4 10.1159/000293769 10.1016/0002-9378(81)90230-1 10.1016/S0095-5108(18)31029-7 10.1515/jpme.1982.10.4.203 10.1080/00140137308924479 10.1515/jpme.1986.14.6.411 10.1111/j.1471-0528.1980.tb04475.x 10.1016/0378-3782(83)90096-8 10.1111/j.1471-0528.1978.tb15819.x 10.1016/0304-8853(81)90078-0 10.1111/j.1471-0528.1978.tb15818.x |
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| Keywords | Fetal heart rate spectral analysis Respiratory sinus arrhythmia Fetal magnetocardiogram Fetal heart rate variability Performance evaluation Pregnancy Human Heart rate Surveillance Variability Exploration Fetus Magnetocardiography Technique Spectral analysis |
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| Snippet | Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32–38 weeks. Maternal interference was... Fetal heart rate variability was derived from fetal magnetocardiogram recordings in ten subjects at gestation ages 32-38 weeks. Maternal interference was... |
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| SubjectTerms | Adult Biological and medical sciences Female Fetal heart rate spectral analysis Fetal heart rate variability Fetal magnetocardiogram Fetal Monitoring - methods Gestational Age Gynecology. Andrology. Obstetrics Heart Function Tests - methods Heart Rate, Fetal Humans Magnetics Management. Prenatal diagnosis Medical sciences Pregnancy Pregnancy. Fetus. Placenta Respiratory sinus arrhythmia |
| Title | Spectral analysis of antepartum fetal heart rate variability from fetal magnetocardiogram recordings |
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