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Functional and Morphological Assessment of Diaphragm Innervation by Phrenic Motor Neurons
Published on: May 25, 2015
Familial occurrence of complete agenesis of the diaphragm
1Department of General Surgery, Royal Children's Hospital, Melbourne, Australia.
Insights
This study reports the tenth sibling case of complete unilateral agenesis of the diaphragm. Families with a prior diagnosis face a higher recurrence risk, necessitating genetic counseling and antenatal screening for future pregnancies.
Area of Science:
- Medical Genetics
- Developmental Biology
- Pediatric Surgery
Background:
- Congenital diaphragmatic hernia (CDH) is a serious birth defect.
- Complete unilateral agenesis of the diaphragm is a rare form of CDH.
- Understanding recurrence risks is crucial for affected families.
Observation:
- This report details the tenth instance of complete unilateral agenesis of the diaphragm occurring in siblings.
- This specific congenital anomaly (McKusick 22240) presents a unique genetic challenge.
Findings:
- A familial pattern suggests a significant recurrence risk for congenital diaphragmatic hernia in subsequent offspring from affected parents.
- The tenth sibling occurrence highlights a potential genetic predisposition.
Implications:
- Genetic counseling is strongly recommended for families with a history of complete unilateral agenesis of the diaphragm.
- Antenatal ultrasound screening should be considered for subsequent pregnancies to detect potential recurrence early.
- Early detection and management are vital for improving outcomes in congenital diaphragmatic hernia.
Abstract:
The tenth occurrence of complete unilateral agenesis of the diaphragm (McKusick 22240) in siblings is reported in this study. It is likely that parents of children with this type of congenital diaphragmatic hernia have a significantly increased recurrence risk for future offspring. Genetic counselling and antenatal ultrasound should be considered for subsequent pregnancies in families with a previous child with complete agenesis of the diaphragm.
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