Outcome of Benign Acute Childhood Myositis: The Experience of 2 Large Tertiary Care Pediatric Hospitals

Tom Rosenberg, Shmuel Heitner, Dennis Scolnik, Einav Levin Ben-Adiva, Ayelet Rimon, Miguel Glatstein

Research output: Contribution to journalArticlepeer-review


Objective The aims of the study were to determine the evolution of benign acute childhood myositis in children and to assess the relationship between creatine phosphokinase (CPK) values and myoglobinuria. Study design A retrospective study of patients with benign acute childhood myositis seen in 2 tertiary care university-affiliated pediatric hospitals during overlapping 4-year periods. Methods Demographic data, historical details, clinical, and laboratory results were extracted from the charts of children younger than 16 years with a CPK greater than 3 times normal. Complications, treatments, and outcomes were recorded. Results Fifty-four children were included, 43 (80%) were male, and mean age was 7.3 years (median [range], 6 [3-16] years), none showed abnormal neurological findings, manifested hematuria, or developed renal failure. Mean CPK level at presentation was 1872 IU/L (range, 511-8086 IU/L). None developed renal failure, and there were no adverse outcomes on follow-up. Conclusions Acute childhood myositis is a predominantly benign disease. Neurological examination is usually normal and rhabdomyolysis is rare. Although severe pathological comorbid conditions must be excluded, a complete history and examination, coupled with simple blood and urine tests, can help minimize unnecessary diagnostic investigations.

Original languageEnglish
Pages (from-to)400-402
Number of pages3
JournalPediatric Emergency Care
Issue number6
StatePublished - 1 Jun 2018


  • Creatine phosphokinase
  • acute renal failure
  • benign acute childhood myositis
  • hematuria
  • rhabdomyolysis


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