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Drooping upper eyelids and polycystic kidney disease
1Department of Medicine, Service de Néphrologie, Hôpital Avicenne, Bobigny Medical School, France.
Journal of the American Society of Nephrology : JASN
|November 1, 1994
Summary
Autosomal dominant polycystic kidney disease (ADPKD) is often associated with blepharochalasis, a drooping eyelid condition. This study confirms the cosegregation of these traits, suggesting a shared genetic or developmental origin.
Area of Science:
- Nephrology
- Medical Genetics
- Ophthalmology
Background:
- Autosomal dominant polycystic kidney disease (ADPKD) is a common inherited disorder.
- A distinctive facial feature, blepharochalasis (drooping upper eyelids), has been observed in ADPKD patients.
- The genetic basis and phenotypic variability of ADPKD are areas of ongoing research.
Purpose of the Study:
- To investigate the prevalence and cosegregation of blepharochalasis in families with ADPKD.
- To determine if blepharochalasis is a consistent marker for ADPKD.
- To explore potential shared genetic or developmental pathways between ADPKD and blepharochalasis.
Main Methods:
- Observational study over 26 years.
- Screening of 75 ADPKD families in a defined region (410,000 population).
- Analysis of family photographs and medical records to assess trait inheritance.
Main Results:
- Blepharochalasis was present in 24 (32%) of the 75 ADPKD families studied.
- Family transmission of both ADPKD and blepharochalasis was confirmed in affected kindreds.
- The ocular finding was typical, aiding in early ADPKD diagnosis.
Conclusions:
- Blepharochalasis is a frequently associated feature in ADPKD, particularly in white populations.
- The cosegregation of blepharochalasis with ADPKD suggests a potential genetic linkage or shared embryonic origin.
- This observation may aid in the early clinical suspicion and diagnosis of ADPKD.