Debora Sanz1, Felice D'Arco2, Carlos Andres Robles2, Joe Brierley1. 1. 1 Paediatric Intensive Care Unit, Great Ormond Street Hospital for Children NHS Trust , London , UK. 2. 2 Department of Neuroradiology, Great Ormond Street Hospital for Children NHS Trust , London , UK.
Abstract
OBJECTIVE: Brain injury is frequently observed during septic shock and may be primarily related to the direct effects of the septic insult on the brain or to secondary/indirect injuries (e.g. hypotension, hypoxaemia and hyperglycaemia). We sought to assess incidence and pattern of brain lesions diagnosed by neuroimaging in paediatric septic shock patients. METHODS: Retrospective descriptive hospital-based study included paediatric patients with a single episode of septic shock admitted to our tertiary paediatric intensive care unit from January 2010 to December 2013. RESULTS: 49 of 193 septic shock patients had a neuroimaging examination [CT only 22 (45%), MRI only 14 (29%) and both 13 (27%)]. Neuroimaging was normal in 16 patients (33%) and showed acute lesions in 20 patients (40%). The most frequent findings were: cerebral infarcts/hypoxic ischaemic injury in 8 (16%) and cerebritis in 7 (14%). The incidence of acute brain lesion in our septic shock cohort was 10% (20 of 193). CONCLUSION: The diagnosis of brain dysfunction in septic shock patients relies essentially on neurological examination and neurological tests, such as electroencephalography and neuroimaging. Neuroimaging can reveal acute intracerebral structural lesions and their reversibility, helping with management and prognosis. Advances in knowledge: Ischaemic lesions and cerebritis are the most common brain anomalies complicating paediatric septic shock.
OBJECTIVE:Brain injury is frequently observed during septic shock and may be primarily related to the direct effects of the septic insult on the brain or to secondary/indirect injuries (e.g. hypotension, hypoxaemia and hyperglycaemia). We sought to assess incidence and pattern of brain lesions diagnosed by neuroimaging in paediatric septic shock patients. METHODS: Retrospective descriptive hospital-based study included paediatric patients with a single episode of septic shock admitted to our tertiary paediatric intensive care unit from January 2010 to December 2013. RESULTS: 49 of 193 septic shockpatients had a neuroimaging examination [CT only 22 (45%), MRI only 14 (29%) and both 13 (27%)]. Neuroimaging was normal in 16 patients (33%) and showed acute lesions in 20 patients (40%). The most frequent findings were: cerebral infarcts/hypoxic ischaemic injury in 8 (16%) and cerebritis in 7 (14%). The incidence of acute brain lesion in our septic shock cohort was 10% (20 of 193). CONCLUSION: The diagnosis of brain dysfunction in septic shockpatients relies essentially on neurological examination and neurological tests, such as electroencephalography and neuroimaging. Neuroimaging can reveal acute intracerebral structural lesions and their reversibility, helping with management and prognosis. Advances in knowledge: Ischaemic lesions and cerebritis are the most common brain anomalies complicating paediatric septic shock.
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