Prenatal Magnetic Resonance Imaging Demonstrates Linear Growth of the Human Fetal Kidneys During Gestation

Cannie, Mieke; Neirynck, Valerie; Keyzer, Frederik De; Dymarkowski, Steven; Bogaert, Guy

doi:10.1016/j.juro.2007.03.178

Cited by 5 publications

(6 citation statements)

References 19 publications

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“…Our study showed no significant gender effect on renal volumes, a finding also reported by Vlajković et al (2006). In several reports, no significant differences could be identified between the left and right fetal kidney size (Cohen et al , 1991; Hsieh et al , 2000; Yu et al , 2000; Witzani et al , 2006; Cannie et al , 2007; Shin et al , 2007; Tedesco et al , 2009). In our study, only for fetuses of GA ≥ 30 weeks, the right kidneys were slightly larger in volume compared to the left side.…”

Section: Discussionmentioning

confidence: 97%

MR volumetry of the normal fetal kidney: reference values

et al. 2010

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Section: Discussionmentioning

confidence: 97%

MR volumetry of the normal fetal kidney: reference values

et al. 2010

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“…Most of our knowledge about the value of MRI in assessing renal abnormalities comes from single case reports or small case series. 38-42 MRI is considered safe during pregnancy, and there are no reports of adverse fetal effects from short-term exposure to electromagnetic fields. Most safety studies have been done at 1.5 Tesla (T), and although approved by the U.S. Food and Drug Administration, the potential increase in the temperature of the amniotic fluid with 3T imaging should be considered.…”

Section: Diagnostic and Prognostic Aspectsmentioning

confidence: 99%

“…Most safety studies have been done at 1.5 Tesla (T), and although approved by the U.S. Food and Drug Administration, the potential increase in the temperature of the amniotic fluid with 3T imaging should be considered. 26, 38, 43, 44 Gadolinium is a class C molecule in pregnant women. It crosses the placenta and is excreted by the fetal kidney.…”

Section: Diagnostic and Prognostic Aspectsmentioning

confidence: 99%

Anhydramnios in the Setting of Renal Malformations

Moxey-Mims

Raju

2018

Obstetrics &Amp; Gynecology

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Anhydramnios in the setting of severe malformations of the fetal kidney and urinary tract is associated with a high incidence of stillbirths and life-threatening complications, including severe pulmonary hypoplasia, umbilical cord compression, and perinatal asphyxia. To prevent such adverse outcomes, some centers in the United States and elsewhere are offering amniotic fluid restoration for women diagnosed with anhydramnios in the setting of fetal renal malformations. The procedures include infusions of amniotic fluid substitutes (normal saline), percutaneously or through an amnioport-an implanted system for serial or continuous infusion of normal saline to maintain the desired amniotic fluid volume. The procedures are intended to prevent pulmonary hypoplasia and allow the pregnancy to progress closer to term gestation, enabling postnatal renal management, including long-term dialysis and renal transplantation. However, these procedures have not been recommended as standard of care by the professional societies because there are many knowledge gaps, including few data on short-term and long-term renal outcomes. The available diagnostic methods do not provide reliable prognostic information, and the current maternal and fetal interventions have not been standardized. To address these unresolved issues and to propose a research agenda, the Eunice Kennedy Shriver National Institute of Child Health and Human Development and the National Institute of Diabetes and Digestive and Kidney Diseases invited a panel of experts to a workshop in August 2016. This report provides a summary of that meeting.

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“…It is strongly correlated to Gestational Age and its linear growth during gestation has been demonstrated on MRI also [15,16,1]. It is more accurate method of Gestational Age estimation than BPD, FL, HC and AC after 24th week of gestation [15,17]. Demographic data of the patient was recorded as name, age, occupation, socioeconomic status and obstetric history along with relevant history was recorded on pre designed and pre tested proforma.…”

Section: Original Research Articlementioning

confidence: 99%

Fetal Kidney Length for Determining Gestational Age in Third Trimester

Gayam

Bai²,

Paul

2018

Obs Gyne Reivew J Obstet Gynecol

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Introduction: Accurate gestational age assessment is important in obstetric care. Ultrasonography plays a significant role in determination of Gestational Age. The ultrasonographic parameters used for GA determination are Crown rump Length, Biparietal diameter, Head circumference, and abdominal circumference and Femur length. Fetal kidney length (FKL) is one of the emerging parameter in estimation of gestational age. Renal length in mm is identified to approximate the gestational age in weeks. The present study is aimed to corroborate that FKL as a good parameter for gestational age estimation in third trimester. Objective: Is to ascertain the precision of the ultrasonographic 'foetal kidney length' measurement as a reliable parameter for determination of GA in third trimester. Material and Methods: One year Cross-Sectional and an Observational Study was conducted on 171 antenatal women in the third trimester after corroborating the gestational age by first trimester ultra sound and GA by LMP. Ultrasound measurements of Foetal kidney length were taken and correlation with last menstrual period gestational age and with other parameters (BPD, HC, AC, FL) were evaluated. Results: This study showed a good correlation of Mean kidney length with GA by LMP of (r=0.991) than the rest of the parameters, HC(r=0.836), FL(r=0.853), AC(r=0.853), BPD (r=0.734) with p value=0.000 for all the parameters. Conclusion: This study confirms that the fetal kidney length measurement is a reliable ultrasonographic parameter for estimating the gestational age accurately in the 3rd trimester and also it is observed that the correlation is increased when used along with other parameters.

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Prenatal Magnetic Resonance Imaging Demonstrates Linear Growth of the Human Fetal Kidneys During Gestation

Cited by 5 publications

References 19 publications

MR volumetry of the normal fetal kidney: reference values

MR volumetry of the normal fetal kidney: reference values

Anhydramnios in the Setting of Renal Malformations

Fetal Kidney Length for Determining Gestational Age in Third Trimester

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