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자료유형
학술저널
저자정보
저널정보
대한신생아학회 Neonatal medicine Neonatal medicine 제26권 제1호
발행연도
2019.1
수록면
55 - 62 (8page)

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Purpose: This study aimed to identify risk factors for brain damage in infants with late-onset circulatory collapse (LCC), a circulatory failure that responds to glucocor�ticoid therapy. Methods: We retrospectively reviewed 167 infants (gestational age <35 weeks) who had hypotension between April 2009 and March 2017 at Boramae Medical Center. Forty infants were diagnosed with LCC and divided into two groups based on ultra�sonography and magnetic resonance imaging findings: infants with periventricular leukomalacia (n=9) and those with normal images (n=31) after LCC. The clinical fac�tors of these two groups, including perinatal characteristics, clinical features during the LCC period, and neonatal morbidities, were compared. Results: There were no significant differences in perinatal characteristics and post�natal morbidities between the two groups. Postnatal age was greater in the group with brain damage (16 days vs. 24 days, P=0.047). The lowest mean blood pressure (MBP) and lowest serum sodium concentration were significantly lower in the brain damage group (19 mm Hg vs. 22 mm Hg, P=0.034; 125 mmol/L vs. 129 mmol/L, P=0.043). There were no significant differences in other clinical factors, including cortisol le�vels, and inotrope and hydrocortisone use. In multivariate logistic regression, older postnatal age (odds ratio [OR], 1.147; P=0.049), lower MBP (OR, 0.616; P=0.031), and lower sodium concentration (OR, 0.728; P=0.037) during the LCC period highly pre�dicted brain damage in infants with LCC (area under the curve 0.882, P=0.001). Conclusion: Close monitoring of LCC signs even in long-term stable preterm infants and management for preventing severe hyponatremia and hypotension are impor�tant to minimize the occurrence of brain damage in infants with LCC.

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