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Galactosaemia.

I B Sardharwalla1, J E Wraith

  • 1Willink Biochemical Genetics Unit, Royal Manchester Children's Hospital, Pendlebury.

Nutrition and Health
|January 1, 1987
PubMed
Summary
This summary is machine-generated.

Galactosaemia management varies by type. Classical galactosaemia requires a galactose-free diet to prevent cataracts, but long-term developmental and ovarian complications persist despite early detection.

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Area of Science:

  • Biochemistry
  • Genetics
  • Pediatrics

Background:

  • Galactosaemia encompasses several genetic disorders of galactose metabolism.
  • Classical galactosaemia, galactokinase deficiency, and UDPgalactose-4-epimerase deficiency are key types.
  • Management and long-term outcomes differ significantly among these subtypes.

Purpose of the Study:

  • To review galactosaemia and present management experiences.
  • To highlight the outcomes of classical galactosaemia.
  • To briefly discuss galactokinase and epimerase deficiencies.

Main Methods:

  • Literature review of galactosaemia.
  • Analysis of clinical management data from the Willink Biochemical Genetics Unit.
  • Case series review for epimerase deficiency.

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Main Results:

  • Galactokinase deficiency is treatable with a galactose-free diet, preventing cataracts if initiated early.
  • Classical galactosaemia presents poor prognosis for mental development, unaffected by early diagnosis timing (2-6 weeks).
  • Female classical galactosaemia patients face high risk of early ovarian failure; epimerase deficiency shows poor prognosis even with early treatment.

Conclusions:

  • Early dietary intervention is crucial for galactokinase deficiency to prevent cataracts.
  • Despite early detection, classical galactosaemia has persistent neurodevelopmental and reproductive complications.
  • UDPgalactose-4-epimerase deficiency has a poor prognosis, requiring further research.