Información adicional

• Num_publicacion 76(5-6)
• Resumen_ingles
  Introduction: The miositis acute is a complication described of the infection by the influenza virus. Clinically it predominates muscle weakness in the lower limbs, tendon reflexes of lower limbs was normal, that accompanies to the symptoms of the infection gripal. It associates elevation of the CPK and other muscle enzymes.
  Clinical cases: Case 1: Boy of 6 years brought by lower limbs pain with progressive walking difficulty and fever. Exploration: Gastrocnemius-soleus muscles on both sides were soft on palpation, without joint pains. On admission laboratory tests showed a significant increase in blood levels of creatinine phosphokinase (3614 UI/L), alanine transaminase (156 U/L) and aspartate transaminase (42 UI/L). Viral tests for influenza A/H1N1 was positive. On the fifth day presents leukopenia with neutropenia, CPK 6529 UI/L and elder hypertransaminases (GOT/GPT: 431/107 UI/L). Clinical improvement on the sixth day. Laboratory tests was normal at the seventh day of admission.
  Case 2: Boy of 5 years brought by fever and cough since two days ago. On admission laboratory tests showed procalcitonin 2.94 ng/mL and INR of 1.37. Was started intravenous cefotaxime treatment and it is suspended after viral tests for influenza A/H1N1 was positive. On the fifth day presents lower limbs pain; in laboratory tests showed leukopenia with neutropenia, an increase in blood levels of creatinine phosphokinase (9288 UI/L), alanine transaminase (363 U/L) and aspartate transaminase (95 UI/L). Clinical improvement on the sixth day of admission and laboratory tests was normal at the seventh day. 
  Conclusion: Benign acute childhood myositis is a rare entity and underdiagnosed, we must think in it when patient present acute onset of typical myositis clinical findings in colds months. Is a self-limiting process with a rapid clinical resolution. Recognition of this rare clinical entity is essential to prevent unnecessary invasive testing.
   
• Palabras_clave_ingles Acute benign myositis Virus influenza A/H1N1 Myalgia Hyper CK emia Spontaneous resolution
• Todos_autores M.C. Vicho González, B. Rodríguez Jiménez, M. Delgado Cardoso, M. Fuentes Guerrero, B. de la Vega Castro, R. Espejo Moreno
• autores listados M.C. Vicho González, B. Rodríguez Jiménez, M. Delgado Cardoso, M. Fuentes Guerrero, B. de la Vega Castro, R. Espejo Moreno
• Correspondecia
  M.C. Vicho González. Calle la Violeta, 3. 06010 Badajoz.
  Correo electrónico: mvicho@gmail.com
• Titulo_ingles Benign acute childhood myositis due to influenza A/H1N1 virus infection
• Centros_trabajo Servicio de Pediatría. Hospital Materno Infantil de Badajoz
• Publicado en Acta Pediatr Esp. 2018; 76(5-6): e64-e68
• copyright ©2018 Ediciones Mayo, S.A.
• Fecha recepcion 2/08/16
• Fecha aceptacion 6/02/17
• Tipo de Artículo Clínico (Microdatos) Case Reports