Startseite Medizin Fetal hydronephrosis: natural history and risk factors for postnatal surgery
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Fetal hydronephrosis: natural history and risk factors for postnatal surgery

  • Cristina Plevani EMAIL logo , Anna Locatelli , Giuseppe Paterlini , Alessandro Ghidini , Paolo Tagliabue , John C. Pezzullo und Patrizia Vergani
Veröffentlicht/Copyright: 14. Januar 2014
Journal of Perinatal Medicine
Aus der Zeitschrift Journal of Perinatal Medicine Band 42 Heft 3

Abstract

Background: The objective of this study was to assess the ability of prenatal ultrasound to predict an unfavorable outcome and the need for postnatal surgery in cases of fetal hydronephrosis (HY).

Methods: Antenatal HY was classified according to the renal pelvis anteroposterior (AP) diameter in the third trimester. Postnatal outcome was considered favorable in the presence of spontaneous resolution or postnatal diagnosis of HY <20 mm, and unfavorable in the presence of postnatal diagnosis of >20 mm HY or urinary tract pathologies.

Results: Prenatal diagnosis of HY was made in 120 fetuses (for a total of 161 abnormal renal units). The rates of postnatal urinary tract pathology were 14, 27 and 53% for antenatal HY of ≤7, 8–15 and >15 mm, respectively. An AP diameter ≥7 mm in the third trimester had a sensitivity of 100% and a specificity of 23% to predict unfavorable outcome. A formula inclusive of AP diameter and presence or absence of urinary tract anomalies can predict the need for postnatal surgery.

Conclusions: The majority of infants with congenital HY have a favorable postnatal outcome. Risk of unfavorable outcome increases with the degree of dilatation of the renal pelvis and the presence of urinary tract anomalies. An AP diameter ≥7 mm in the third trimester warrants postnatal follow-up.

Keywords: Antenatal hydronephrosis; postnatal outcome; postnatal renal function; postnatal surgery; prenatal diagnosis; urinary tract
Corresponding author: Cristina Plevani, MD, Department of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Via Pergolesi 33, 20052, Monza (MI), Italy, Tel.: +39 039 233 3110, E-mail:

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The authors stated that there are no conflicts of interest regarding the publication of this article.

Received: 2013-6-19
Accepted: 2013-11-25
Published Online: 2014-1-14
Published in Print: 2014-5-1

©2014 by Walter de Gruyter Berlin Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. Academy’s Corner – a new section at JPM
  4. Academy’s Corner
  5. Global education in perinatal medicine: will the bureaucracy or smartocracy prevail?
  6. Review articles
  7. Placental chorioangioma: literature review
  8. Sonographic measurement of cervical length as a predictor of preterm delivery: a systematic review
  9. Original articles – Obstetrics
  10. Peripartum anesthetic management of patients with Factor XI deficiency
  11. Risk of inferior vena cava compression syndrome during fetal MRI in the supine position – a retrospective analysis
  12. Fetal behavioral states are stable over daytime – evidence by longitudinal and cross-sectional fetal biomagnetic recordings
  13. Diet or medically treated gestational diabetes: is there any difference for obstetrical and neonatal complications? A French cohort study
  14. Cerebroplacental Doppler ratio and placental histopathological features in pregnancies complicated by fetal growth restriction
  15. Placental syndecan-1 and sulphated glycosaminoglycans are decreased in preeclampsia
  16. Pharmacological anti-thrombotic prophylaxis after elective caesarean delivery in thrombophilia unscreened women: should maternal age have a role in decision making?
  17. Values of T/QRS ratios measured during normal and post-term pregnancies
  18. The factors associated with the failure of transcatheter pelvic arterial embolization for intractable postpartum hemorrhage
  19. Hysteroscopic and laparoscopic management of uterine defects on previous cesarean delivery scars
  20. Chemerin concentrations in maternal and fetal compartments: implications for metabolic adaptations to normal human pregnancy
  21. Repetitive administration of acetylcholine receptor agonist rescues brain inflammation and brain damage after hypoxia-ischemia in newborn rat
  22. Original article – Fetus
  23. Fetal hydronephrosis: natural history and risk factors for postnatal surgery
  24. Original article – Newborn
  25. Cytomegalovirus infection among infants in California neonatal intensive care units, 2005–2010
  26. Letter to the Editors
  27. Origin of the long-term variability and acceleration of FHR studied for the prevention of cerebral palsy in fetal hypoxia and general insults
  28. Neonatal phototherapy, fluids, and photorelaxation
  29. Congress Calendar
  30. Congress Calendar
https://doi.org/10.1515/jpm-2013-0146
Schlagwörter für diesen Artikel
Antenatal hydronephrosis; postnatal outcome; postnatal renal function; postnatal surgery; prenatal diagnosis; urinary tract

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. Academy’s Corner – a new section at JPM
  4. Academy’s Corner
  5. Global education in perinatal medicine: will the bureaucracy or smartocracy prevail?
  6. Review articles
  7. Placental chorioangioma: literature review
  8. Sonographic measurement of cervical length as a predictor of preterm delivery: a systematic review
  9. Original articles – Obstetrics
  10. Peripartum anesthetic management of patients with Factor XI deficiency
  11. Risk of inferior vena cava compression syndrome during fetal MRI in the supine position – a retrospective analysis
  12. Fetal behavioral states are stable over daytime – evidence by longitudinal and cross-sectional fetal biomagnetic recordings
  13. Diet or medically treated gestational diabetes: is there any difference for obstetrical and neonatal complications? A French cohort study
  14. Cerebroplacental Doppler ratio and placental histopathological features in pregnancies complicated by fetal growth restriction
  15. Placental syndecan-1 and sulphated glycosaminoglycans are decreased in preeclampsia
  16. Pharmacological anti-thrombotic prophylaxis after elective caesarean delivery in thrombophilia unscreened women: should maternal age have a role in decision making?
  17. Values of T/QRS ratios measured during normal and post-term pregnancies
  18. The factors associated with the failure of transcatheter pelvic arterial embolization for intractable postpartum hemorrhage
  19. Hysteroscopic and laparoscopic management of uterine defects on previous cesarean delivery scars
  20. Chemerin concentrations in maternal and fetal compartments: implications for metabolic adaptations to normal human pregnancy
  21. Repetitive administration of acetylcholine receptor agonist rescues brain inflammation and brain damage after hypoxia-ischemia in newborn rat
  22. Original article – Fetus
  23. Fetal hydronephrosis: natural history and risk factors for postnatal surgery
  24. Original article – Newborn
  25. Cytomegalovirus infection among infants in California neonatal intensive care units, 2005–2010
  26. Letter to the Editors
  27. Origin of the long-term variability and acceleration of FHR studied for the prevention of cerebral palsy in fetal hypoxia and general insults
  28. Neonatal phototherapy, fluids, and photorelaxation
  29. Congress Calendar
  30. Congress Calendar
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