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Predicting outcome in primary fetal hydrothorax
Stephanie Klam1, Jean-Luc Bigras, Lynda Hudon
1Hôpital Sainte-Justine, Maternal Fetal Medicine Unit, Montréal, Canada. s.klam@videotron.ca
Fetal Diagnosis and Therapy
|August 23, 2005
Summary
Serial ultrasound monitoring is crucial for predicting fetal outcomes in primary fetal hydrothorax (PFHT). Stable or resolving effusions often benefit from conservative management, leading to good fetal survival rates.
Area of Science:
- Perinatology
- Fetal Medicine
- Diagnostic Imaging
Background:
- Primary fetal hydrothorax (PFHT) is a condition requiring careful monitoring.
- Predicting fetal outcomes in PFHT can be challenging.
- The role of serial ultrasound in managing PFHT needs further elucidation.
Purpose of the Study:
- To assess the predictive value of serial ultrasound in fetal outcomes for primary fetal hydrothorax.
- To evaluate the impact of pleural effusion progression, resolution, or stability on fetal prognosis.
- To determine the effectiveness of conservative management versus interventions.
Main Methods:
- Retrospective review of fetal pleural effusion cases over 12 years.
- Exclusion of secondary causes of pleural effusions.
- Serial ultrasound monitoring every 2 weeks; interventions (pleurocentesis, shunts) in select cases.
- Fetal survival as the primary outcome measure.
Main Results:
- 18 cases of PFHT identified from 44 referrals.
- Diagnosis at 28 +/- 7 weeks, delivery at 35 +/- 3 weeks.
- Overall fetal survival rate of 78%.
- Poor outcomes associated with effusion progression, higher effusion ratios, earlier delivery, and lower Apgar scores.
Conclusions:
- Serial ultrasound is essential for evaluating PFHT clinical course and guiding management.
- Expectant management is appropriate for stable and resolving effusions.
- Ultrasound-guided monitoring aids in predicting fetal outcomes and optimizing care.