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Related Experiment Videos

[Hydronephrosis in pregnancy. Ultrasonographic study]

P Croce1, P Signorelli, I Chiapparini

  • 1Divisione di Ginecologia ed Ostetricia, Civico Ospedale di Codogno Milano.

Minerva Ginecologica
|April 1, 1994
PubMed
Summary

Hydronephrosis, or kidney swelling, affects most pregnant women. This common condition, often on the right side, can increase urinary infection risk, especially when severe.

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Area of Science:

  • Obstetrics and Gynecology
  • Nephrology
  • Medical Imaging

Background:

  • Hydronephrosis is highly prevalent in pregnancy, affecting 80-90% by the third trimester.
  • The right ureter is more commonly affected.
  • Severe hydronephrosis is linked to a higher incidence of urinary tract infections.

Purpose of the Study:

  • To investigate the prevalence and characteristics of hydronephrosis in pregnant women.
  • To explore potential pathogenetic factors including hormonal and mechanical influences.
  • To assess the utility of echotomography in diagnosing pregnancy-related hydronephrosis.

Main Methods:

  • A prospective study involving 370 asymptomatic pregnant women.
  • Echotomography with 3.5 MHz probes was used for imaging.

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  • Kidneys and excretory tracts were examined across all three trimesters of gestation.

    • Main Results:

    • Hydronephrosis is a frequent finding in pregnant women, particularly in the third trimester.
    • No correlation was found between parity or prior urinary infections and hydronephrosis.
    • A significant association exists between severe hydronephrosis and increased urinary infection rates.

    Conclusions:

    • Hydronephrosis in pregnancy is multifactorial, likely resulting from both hormonal and mechanical factors.
    • Echotomography is a safe, cost-effective, and valuable diagnostic tool for monitoring hydronephrosis during pregnancy.
    • Early detection and monitoring are crucial, especially in cases of severe hydronephrosis, due to the associated risk of urinary infections.