Acute and Critical Care

Case Report

Multiple Bilateral Perfusion Defects in the Infant with Acute Viral Bronchiolitis: A Case Report: Woo Jin Chung, Jae Wook Choi, Young Ju Han, June Dong Park; Korean J Crit Care Med. 2011;26(4):272-275.; DOI: https://doi.org/10.4266/kjccm.2011.26.4.272

Abstract PDF: Acute viral bronchiolitis (AVB) is an obstructive lung disease which frequently develops in infants and the most common functional involvement is a V/Q ratio change caused by small airway obstruction. We report a case showing the redistribution of pulmonary blood flow by multiple perfusion scan defects in an infant with AVB. A 15 month-old male infant visited ER due to respiratory difficulty. He manifested decreased lung sound in the left lung field, hyperinflation of the left lung on chest x-ray, and metabolic acidosis in blood gas analysis. A perfusion scan showed multiple perfusion defects of both lungs without the evidence of pulmonary embolism on a following cardiac CT and echocardiography. Human Rhinovirus PCR in a nasopharyngeal aspirate was positive. With supportive care, the symptom was resolved in 4 days. AVB can show multiple perfusion defects by the redistribution of pulmonary blood flow of which the direction is opposite to the usual distribution of pulmonary blood flow in children.

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