Aspirin‐induced hepatotoxicity in juvenile rheumatoid arthritis a prospective study

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Abstract
Recent reports of and our own experience with biochemical alterations of liver function secondary to salicylate therapy stimulated this prospective study. Thirty-four children with juvenile rheumatoid arthritis, 6 children with acute cartilagenous necrosis of the hip following slipped capital femoral epiphysis, and 2 children with ulcerative colitis and hip disease who were on salicylates were followed over a period of 1–27 months with serial determinations of serum glutamic oxaloacetic transaminase (SGOT), serum glutamic pyruvic transaminase (SGPT), lactic dehydrogenase (LDH), alkaline phosphatase (AP), bilirubin, and serum salicylate. Prothrombin time was measured in 14 children. Twenty-two of 34 children with rheumatoid arthritis and none of the 8 controls demonstrated abnormalities of various liver functions at serum salicylate levels between 7.0 and 43 mg%. Three children demonstrated severe abnormalities characterized by marked elevation of SGOT, SGPT, LDH, and AP, prolongation of prothrombin time, and epistaxis. This type of reaction occurred within 5–14 days of initiation of aspirin therapy and occurred at serum salicylate levels between 18 and 43 mg%. Moderate changes in various liver function tests were observed in 19 other children. None of those children who were tested showed prolongation of prothrombin time. The serum salicylate level in this group varied between 7.0 and 38.2 mg%. The abnormal liver function tests returned to normal in 6 children upon withdrawal of aspirin and in 12 others even when salicylates were continued. Therefore, despite the occurrence of biochemical abnormalities following chronic salicylate therapy, it does not appear to be necessary to discontinue their use except in those children who develop bleeding.