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Chinese Journal of Laparoscopic Surgery(Electronic Edition) ›› 2019, Vol. 12 ›› Issue (06): 373-375. doi: 10.3877/cma.j.issn.1674-6899.2019.06.014

Special Issue:

• Case Report • Previous Articles     Next Articles

Application of fetoscopy in management of fetal lower urinary tract obstruction

Tao Guo 1, Huixia Zhou 1 , ( ), Lixin Shang 2, Jing Wang 2, Gongli Chen 3, Hong Wang 4, Wei Wei 4, Xinhuai Wu 5, Lifei Ma 1, Pin Li 1, Hualin Cao 1   

  1. 1. Department of Urology, Bayi Children's Hospital Affiliated to the PLA Army General Hospital, Beijing 100700, China
    2. Department of Obstetrics and Gynecology, PLA Army General Hospital, Beijing 100700, China
    3. Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
    4. Department of Ultrasound, PLA Army General Hospital, Beijing 100700, China
    5. Radiology Department, PLA Army General Hospital, Beijing 100700, China
  • Received:2019-12-06 Online:2019-12-30 Published:2019-12-30
  • Contact: Huixia Zhou
  • About author:
    Corresponding author: Zhou Huixia, Email:

Abstract:

Objective

To explore application of fetoscopy in management of fetal lower urinary tract obstruction.

Methods

Under local anesthesia, the fetoscopy was placed into the fetal bladder under the guidance of ultrasound, and it is easy to observe the focus of urinary tract obstruction directly to distinguish the causes of lower urinary tract obstruction, such as posterior urethral valve, urethral atresia and urethral stricture.

Results

The fetoscopy was successfully inserted into the fetal bladder to confirm that the cause of the lower urinary tract obstruction in the fetal was urethral atresia.

Conclusions

It is difficult and risky for pregnant women and fetuses, and must be performed at a medical center where the technique is being developed. In addition, the fetus must meet the conditions for severe oligohydramnios leading to a very high risk of death in utero or in the neonatal period. It may protect the function of kidney and bladder, help the urine excrete the amniotic cavity, prevent the pulmonary hypoplasia from happening. The exact role of this prenatal interventions is not yet clear and more studies are necessary to confirm these benefits.

Key words: Fetal lower urinary tract obstruction, Fetoscopy, Urethral atresia, Keyhole sign, Posterior urethral valves

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