Computerised evaluation of fetal heart rate in post‐term fetuses: long term variation
Computerised fetal heart rate records were obtained between 1987 and 1993 using the Sonicaid System 8000 for a cross‐sectional study of postdates fetal heart rate variation; 567 singleton pregnancies at 41 and 43 weeks provided 1502 records. In all cases gestational age had been verified by ultrasou...
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| Veröffentlicht in: | BJOG : an international journal of obstetrics and gynaecology 1998-03, Vol.105 (3), p.356-359 |
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| container_title | BJOG : an international journal of obstetrics and gynaecology |
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| creator | Mandruzzato, Giampaolo Meir, Yoram J. D'Ottavio, Giuseppina Conoscenti, Giancarlo Dawes, Geoffrey S. |
| description | Computerised fetal heart rate records were obtained between 1987 and 1993 using the Sonicaid System 8000 for a cross‐sectional study of postdates fetal heart rate variation; 567 singleton pregnancies at 41 and 43 weeks provided 1502 records. In all cases gestational age had been verified by ultrasound examination in early pregnancy. The mean minute range of the long term pulse interval variation, which is known to be correlated with fetal oxygenation was found to decrease progressively from an average value of 48.5 ms at 41 weeks to 46.4 ms and 42.4 ms at 42 and 43 or more weeks, respectively. When conservative management of postdate pregnancies is chosen, accurate measurements are needed to follow the evolution of fetal condition. Reference values for calculated pulse interval variation at later gestational ages are now provided. |
| doi_str_mv | 10.1111/j.1471-0528.1998.tb10100.x |
| format | Article |
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Obstetrics</subject><subject>Heart Rate, Fetal - physiology</subject><subject>Humans</subject><subject>Infant, Postmature - physiology</subject><subject>Management. Prenatal diagnosis</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Pregnancy Outcome</subject><subject>Pregnancy. Fetus. 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| identifier | ISSN: 1470-0328 |
| ispartof | BJOG : an international journal of obstetrics and gynaecology, 1998-03, Vol.105 (3), p.356-359 |
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| language | eng |
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| source | MEDLINE; Access via Wiley Online Library; Alma/SFX Local Collection |
| subjects | Biological and medical sciences Cardiotocography - methods Cardiotocography - standards Cross-Sectional Studies Decision Making, Computer-Assisted Female Gestational Age Gynecology. Andrology. Obstetrics Heart Rate, Fetal - physiology Humans Infant, Postmature - physiology Management. Prenatal diagnosis Medical sciences Pregnancy Pregnancy Outcome Pregnancy. Fetus. Placenta Reference Values |
| title | Computerised evaluation of fetal heart rate in post‐term fetuses: long term variation |
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