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Korean J Crit Care Med > Volume 26(4); 2011 > Article
Korean Journal of Critical Care Medicine 2011;26(4): 272-275. doi: https://doi.org/10.4266/kjccm.2011.26.4.272
급성 바이러스성 모세기관지염 유아에서 나타난 양측성 다발성 관류 결손 -증례 보고-
서울대학교 의과대학 소아과학교실
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
Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea. jdparkmd@snu.ac.kr
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.
Key Words: acute viral bronchiolitis (AVB); perfusion defects; pulmonary blood flow
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