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Cardiovascular involvement in Alcaptonuria: a case report on ochronotic aortic valve
Alizamin Yusifli1, Ulusal Coskun2, Yılmaz Deniz2
1Department of Cardiovascular Surgery, Medicana International Hospital, Izmir, Turkey. dr.alizamin.yusifli@gmail.com.
Alcaptonuria causes ochronosis due to homogentisic acid buildup. This rare metabolic disorder can affect connective tissues, including the heart, and may be identified during cardiac surgery.
Area of Science:
- Biochemistry
- Genetics
- Cardiology
Background:
- Alcaptonuria is a rare autosomal recessive metabolic disorder caused by homogentisate 1,2-dioxygenase deficiency.
- This leads to homogentisic acid accumulation, causing ochronosis (pigment deposition) in connective tissues.
- Ochronosis manifests as blue-gray pigmentation and degenerative arthropathies, affecting joints, eyes, ears, skin, and genitourinary system.
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