The use of antenatal cardiotocography for the diagnosis of fetal hypoxia (literature review)
A.V. FRIZINA1, R.S. ZAMALEEVA2, N.A. CHEREPANOVA1
1Volzhsk Central City Hospital, 46 Sovetskaya Str., Volzhsk, Russian Federation, 425000
2Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012
Frizina A.V. ― obstetrician-gynecologist of the Maternity Department, tel. (836) 316-37-73, e-mail: anastasia.frizina.84@mail.ru, ORCID ID: 0000-0002-5181-0826
Zamaleeva R.S. ― D. Sc. (medicine), Professor of the Department of Obstetrics and Gynecology, tel. (843) 236-46-41, e-mail: zamaleewa@rambler.ru, ORCID ID: 0000-0003-3289-6019
Cherepanova N.A. ― PhD (medicine), Head of the Maternity Department, tel. (836) 316-37-73, e-mail: nat26@list.ru, ORCID ID: 0000-0002-8014-368X
The review presents data on the use of various systems for assessing the status of the intrauterine fetus using cardiotocography (CTG). The traditionally used parameters cardiotocography are analyzed: basal heart rate of the fetus (BHRF), heart rate variability (amplitude and frequency of oscillations), accelerations, decelerations, episodes of high and low variability. The advantages and disadvantages of various CTG scales are shown ― FIGO, Fisher, Krebs, Dawes ― Redman, their sensitivity and specificity in the diagnosis and prediction of antenatal hypoxia. It is shown that at the present stage preference is given to automated analysis, which allows identifying the modified dependencies between the determined parameters of CTG, correlating with fetal acidemia and hypoxia. The new techniques of calculating the heartbeat curve for a more accurate assessment of the fetus condition are described.
Key words: hypoxia of the fetus, cardiotocography, the variability of rhythm.
(For citation: Frizina A.V., Zamaleeva R.S., Cherepanova N.A. The use of antenatal cardiotocography for the diagnosis of fetal hypoxia (literature review) . Practical Medicine. 2018)
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