scholarly journals EP09.05: Characteristic changes of the time interval of ventricular inflow patterns in the fetal growth restriction

2019 ◽  
Vol 54 (S1) ◽  
pp. 287-287
Author(s):  
T. Suekane ◽  
M. Koyama ◽  
D. Tachibana ◽  
A. Nakano ◽  
T. Misugi ◽  
...  
Keyword(s):  
Fetal Growth ◽  
Fetal Growth Restriction ◽  
Growth Restriction ◽  
Time Interval

Time-interval changes of cardiac cycles in fetal growth restriction

2016 ◽  
Vol 203 ◽  
pp. 152-155 ◽  
Author(s):  
Yasushi Kurihara ◽  
Daisuke Tachibana ◽  
Natsuko Yokoi ◽  
Kayoko Nakagawa ◽  
Kohei Kitada ◽  
...  
Keyword(s):  
Fetal Growth ◽  
Fetal Growth Restriction ◽  
Growth Restriction ◽  
Time Interval

scholarly journals Time interval analysis of ductus venosus and cardiac cycles in relation with umbilical artery pH at birth in fetal growth restriction

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Tomoki Suekane ◽  
Daisuke Tachibana ◽  
Yasushi Kurihara ◽  
Natsuko Yokoi ◽  
Naomi Seo ◽  
...  
Keyword(s):  
Fetal Growth ◽  
Interval Analysis ◽  
Fetal Growth Restriction ◽  
Umbilical Artery ◽  
Growth Restriction ◽  
Ductus Venosus ◽  
Time Interval ◽  
Z Score ◽  
Time Intervals ◽  
Z Scores

Abstract Background The aims of this study were to evaluate the time intervals of flow velocity waveforms (FVW) of ductus venosus (DV) and cardiac cycles, as well as the pulsatility index of DV-FVW (DV-PI), in correlation with umbilical artery (UA) pH at birth in fetal growth restriction (FGR) complicated with placental insufficiency. Methods Data were retrospectively retrieved from pregnancies complicated by FGR. FGR was defined as an estimated fetal weight below − 2.0 S.D. with an elevated UA-PI. Time interval assessments of DV-FVW were as follows: the duration of systolic wave was divided by the duration of diastolic wave and defined as DV-S/D. We also measured the following time intervals of ventricular inflow through tricuspid valve (TV) and mitral valve (MV): (iii), from the second peak of ventricular inflow caused by atrial contraction (A-wave) to the opening of atrio-ventricular valves and: (iv), from the opening of atrio-ventricular valves to the peak of A-wave. (iii)/(iv) was expressed as TV-S/D and MV-S/D, for TV and MV, respectively. The time interval data were transformed into z-scores. Results Thirty-one FGR fetuses were included in this study. Both DV-PI and DV-S/D showed significant correlation with UA-pH (r = − 0.677, p = < 0.001 and r = 0.489, p = 0.005 for DV-PI and z-score of DV-S/D, respectively) and more significances were observed in FGR ≤ 28 + 6 gestational weeks (r = − 0.819, p < 0.001 and r = 0.726, p = 0.005, for DV-PI and z-score of DV-S/D, respectively) than in FGR > 28 + 6 gestational weeks (r = − 0.634, p = 0.007 and r = 0.635, p = 0.020, for DV-PI and z-score of DV-S/D, respectively). On the other hand, TV-S/D and MV-S/D showed no significant correlation with UA-pH, although these z-scores indicated significant decreases compared with normal references. Conclusions Time interval analysis of DV-FVW might be a valuable parameter, as well as DV-PI, for the antenatal prediction of fetal acidemia in the management of FGR fetuses.

FETAL GROWTH RESTRICTION WITH EARLY AND LATE MANIFESTATION, PROGNOSTIC MARKERS

2020 ◽  
pp. 27-30
Author(s):  
Yakubova D.I.
Keyword(s):  
Risk Factors ◽  
Pregnant Women ◽  
Fetal Growth ◽  
Fetal Growth Restriction ◽  
Prenatal Screening ◽  
Prognostic Markers ◽  
Growth Restriction ◽  
Late Manifestation ◽  
Late Form ◽  
Early Manifestation

Objective of the study: Comprehensive assessment of risk factors, the implementation of which leads to FGR with early and late manifestation. To evaluate the results of the first prenatal screening: PAPP-A, B-hCG, made at 11-13 weeks. Materials and Methods: A retrospective study included 110 pregnant women. There were 48 pregnant women with early manifestation of fetal growth restriction, 62 pregnant women with late manifestation among them. Results of the study: The risk factors for the formation of the FGR are established. Statistically significant differences in the indicators between groups were not established in the analyses of structures of extragenital pathology. According to I prenatal screening, there were no statistical differences in levels (PAPP-A, b-hCG) in the early and late form of FGR.

INTRAUTERINE GROWTH RETARDATION - A REVIEW ARTICLE

2018 ◽  
pp. 184-195
Author(s):  
Minh Son Pham ◽  
Vu Quoc Huy Nguyen ◽  
Dinh Vinh Tran
Keyword(s):  
Fetal Growth ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
Fetal Growth Restriction ◽  
Growth Restriction ◽  
Growth Potential ◽  
National Guidelines ◽  
Intrauterine Growth ◽  
No Gold Standard

Small for gestational age (SGA) and fetal growth restriction (FGR) is difficult to define exactly. In this pregnancy condition, the fetus does not reach its biological growth potential as a consequence of impaired placental function, which may be because of a variety of factors. Fetuses with FGR are at risk for perinatal morbidity and mortality, and poor long-term health outcomes, such as impaired neurological and cognitive development, and cardiovascular and endocrine diseases in adulthood. At present no gold standard for the diagnosis of SGA/FGR exists. The first aim of this review is to: summarize areas of consensus and controversy between recently published national guidelines on small for gestational age or fetal growth restriction; highlight any recent evidence that should be incorporated into existing guidelines. Another aim to summary a number of interventions which are being developed or coming through to clinical trial in an attempt to improve fetal growth in placental insufficiency. Key words: fetal growth restriction (FGR), Small for gestational age (SGA)

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