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Correlation of cardiac troponin T levels with inotrope requirement,hypoxic-ischemic encephalopathy,and survival in asphyxiated neonates

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World Journal of Clinical Pediatrics 2022年第1期11卷 85-92页

作者： Ramesh Bhat Yellanthoor Dineshkumar Rajamanickam Head of Unit 1 Department of PediatricsKasturba Medical CollegeManipal Academy of Higher Education(MAHE)UniversityManipal 576104KarnatakaIndia Department of Paediatrics Kasturba Medical CollegeManipal Academy of Higher Education(MAHE)UniversityManipal 576104KarnatakaIndia

BACKGROUND Cardiac involvement in neonates with perinatal asphyxia not only complicates perinatal management but also contributes to increased *** To assess cardiac troponin T(cTnT)levels in asphyxiated neonates and their correlation with echocardiography findings,inotrope requirement,hypoxicischemic encephalopathy(HIE)stages,and *** cTnT levels,echocardiographic findings,the requirement of inotropes,HIE stages,and outcome were studied in neonates of gestational age≥34 wk with perinatal *** Among 57 neonates with perinatal asphyxia,male gender,cesarean section,forceps/vacuum-assisted vaginal delivery and late preterm included 33(57.9%),23(40.4%),3(5.3%),and 12(21.1%)*** mean gestational age was 38.4 wk(1.6 wk).HIE stages I,II,and III were observed in 7(12.3%),37(64.9%),and 9(15.8%)neonates respectively.26(45.6%)neonates had echocardiographic changes and 19(33.3%)required *** levels were elevated in 41(71.9%)neonates[median(IQR);0.285(0.211-0.422)ng/mL].The Median cTnT level showed an increasing trend with increasing changes in echocardiography(P=0.002).Two neonates with mitral regurgitation and global hypokinesia had the highest cTnT levels(1.99 and 0.651 ng/mL).Of 31 neonates with normal echocardiography,18(58.06%)showed elevated *** levels were significantly higher in those who required inotropic support than those who did not(P=0.007).Neonates with HIE stage III had significantly higher cTnT levels compared to those with HIE stage I/II(P=0.013).Survivors had lower median cTnT levels[0.210(0.122-0.316)ng/mL]than who succumbed[0.597(0.356-1.146)ng/mL].CONCLUSION cTnT levels suggestive of cardiac involvement were observed in 71.9%of asphyxiated *** levels correlated with echocardiography findings,inotrope requirement,HIE stages,and mortality.

关键词： Asphyxia Cardiac dysfunction inotropes Neonates troponin T Survival

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