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신생아기에 진단된 미토콘드리아 질환 3례

Other Titles
 Three Cases of Mitochondrial Disorders in the Neonatal Period 
 김윤희  ;  이영목  ;  남궁란  ;  김정은  ;  이순민  ;  박국인  ;  김세훈  ;  이진성 
 Journal of the Korean Society of Neonatology, Vol.17(2) : 254-261, 2010 
Journal Title
Journal of the Korean Society of Neonatology(대한신생아학회지)
Issue Date
Infant ; Newborn ; Mitochondrial diseases ; Acidosis ; Lactic
Little is known about neonatal mitochondrial disease, though mitochondrial metabolic disorders may often present in the neonatal period because of the high energy requirement of neonate. In newborn period, common presentations are not specific and the disease course may be rapid and fatal. In this study, we report three cases of neonatal mitochondrial disease. The first case was strongly suspected because of sudden seizure and mental change with severe lactic acidosis, and multiorgan failure. Plasma lactate/pyruvate (L/P) ratio was increased to 55.6 with marked lactic aciduria and increased plasma alanin up to 2,237 nmol/mL. In the second patient, a peritoneal dialysis was performed for acute adrenal and renal failure, but metabolic acidosis persisted. Plasma L/P ratio was increased to 23.9, and MRC I (mitochondrial respiratory chain defect) was diagnosed through the enzymatic analysis of the muscles. The third case showed repetitive episode of lactic acidosis during the first two months of life, hypotonia, failure to thrive and feeding difficulties. We found markedly increased cerebrospinal fluid L/P ratio up to 57 though plasma L/P ratio (19.4) was borderline with increased plasma lactate. The lactate peak was prominent in brain magnetic resonance spectroscopy (MRS). MRC II was confirmed through muscle biopsy. Plasma lactate level and lactate peak of brain MRS were normalized after conservative treatment
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Hoon(김세훈) ORCID logo https://orcid.org/0000-0001-7516-7372
Namgung, Ran(남궁란) ORCID logo https://orcid.org/0000-0001-7182-9535
Park, Kook In(박국인) ORCID logo https://orcid.org/0000-0001-8499-9293
Lee, Soon Min(이순민) ORCID logo https://orcid.org/0000-0003-0174-1065
Lee, Young Mock(이영목) ORCID logo https://orcid.org/0000-0002-5838-249X
Lee, Jin-Sung(이진성) ORCID logo https://orcid.org/0000-0002-1262-8597
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