Myocarditis associated with Influenza Virus B in Pediatric: A case report and literature review

Abstract

Acute myocarditis is a rare complication of influenza virus infection. The frequency of this infection varies widely from asymptomatic to fulminating varieties. the need to increase suspected association between influenza virus and myocarditis is highlighted; facilitating early diagnosis and treatment.Clinical case: 3 months with clinical symptoms five days of evolution characterized by worsening of the flu presenting with respiratory distress. The patient was admitted in respiratory failure, physical examination dry mucous membranes, decreased breath sounds in left chest, grunting universal print runs with apnea episode are; ensuring airway, cardiac arrest has twice advanced cardiovascular resuscitation requiring transfer to PICU recovering frequency is decided. PICU patient presents with compensated shock double inotropic support with epinephrine + milrinone, report is received B antigen positive so it starts oseltamivir. In the chest radiograph enlarged cardiac silhouette size, echocardiogram VI concludes dilated cardiomyopathy with EF 23%, indirect signs of pulmonary hypertension calculated by it of 51 mmHg. prepares to extubation continuing management: Following treatment echocardiogram new reporting (73% Fe) is performed. Patient is able to tolerate environment evolved oxygen and is discharged in good medical condition. Discussion:The findings and the clinical course of influenza with complications such as myocarditis has low frequency. The evolution of this complication is a poor prognosis which makes this exceptional case because the patient recovered satisfactorily.