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Serum enzyme changes after intramuscular bleeding in patients with haemophilia and Christmas disease
  1. Charles D. Forbes1,
  2. John King,
  3. Colin R. M. Prentice,
  4. George P. McNicol2
  1. Department of Medicine, Royal Infirmary, Glasgow, Scotland
  2. Department of Biochemistry, Royal Infirmary, Glasgow, Scotland


    Serum creatine kinase, lactate dehydrogenase, aspartate and alanine transaminases, and aldolase were determined in 41 hospital inpatients with haemophilia or Christmas disease and no significant differences from the normal ranges were found.3 Levels of these enzymes in a further 10 such patients who had sustained muscle haematomata were determined: in all of these there was a consistent rise in the level of creatine kinase, the peak occurring between 36 and 96 hours.

    In bleeding disorders a rise in serum creatine kinase levels may be useful as a diagnostic test for intramuscular haemorrhage.

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    • 1 Reprint requests: Dr C. D. Forbes, Department of Medicine, Royal Infirmary, 86 Castle Street, Glasgow, C4

    • 2 new address: Department of Medicine, University of Leeds, Leeds General Infirmary, Leeds