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Objective: To provide information specific to a catecholaminergic storm during a violent stress in children., Patients and Methods: Two clinical observations in children who suffered violent trauma., First Case: a boy aged 12 years victim of a drowning in Stage 3 admitted to the pediatric intensive care 02.08.2015. He was intubated, ventilated, sedated with benzodiazepines and morphine. Cardiac exploration revealed a global hypokinesis with septal dyskinesia, a 45% FES offset a slight excess of ST, a troponin I to 31.46pg/mL NT-proBNB to 1291pg/mL. Dobutamine was set initially at 7 then 10 gamma/kg/min. The outcome was favorable on the heart level with improved SEF in 1 week., Second Case: 13-year-old girl, victim of complete hanging, admitted on 06/08/2015 for a post-anoxic encephalopathy. Intubated, ventilated and sedated with morphine and benzodiazepines. Cardiac exploration showed septal hypokinesia with a 35% FES, a lengthening of the QT interval on the ECG, a troponin I in ultra 1.27μg/L, NT-proBNB to 215pg/mL. The child was put up 15 gamma dobutamine/kg/min. The evolution was marked by improved heart function without disturbance wall motion after 7 days., Conclusion: Our 2 clinical cases following accidental trauma violating represent observations of a picture simulating a syndrome of Tako-Tsubo without anginal pain objectified as our 2 patients were sedated and ultrasound abnormalities returned to normal in less than a week., (Copyright © 2016 Elsevier Masson SAS. All rights reserved.)

Introduction: Malignant hypertension (HTA), pediatrics, is unique by its clinical presentation, defined as severe hypertension accompanied by ischemic failure of one or more organs., Methods-Patients: Retroprospective study of cases of children admitted to pediatric intensive care. We chose a decline of 10 years from September 1994 to December 2004 for the first time, and from January 2005 to December 2015 for the second period; and we identified the cases presenting malignant hypertension (mHTA)., Results: Sixty-six patients were included, a prevalence of 0.6%. The age of patients ranged from 12months to 16years. The symptoms are related to the consequences of hypertension or condition in question. The most found signs are headache in more than 7%. Cerebrovascular event in 6%. A hypertensive convulsive encephalopathy 33.3% of patients. Renal disease is common, of varying severity. A fundus retinopathy was found in 47% stage 3, stage 4 in 51%. mHTA defined for the mean SBP values of 175mmHg and DBP average 112,5mmHg is often secondary to renal causes. The treatment is symptomatic with antihypertensive associated with the etiological treatment. Evolution is good out of 7 deaths., Conclusion: mHTA is a rare condition in the pediatric population. The clinical signs of functional rich under their impact on vital organs. The support must be early in intensive care., (Copyright © 2016 Elsevier Masson SAS. All rights reserved.)