Transcranial US of preterm neonates: High risk gestational age and birth weight for perinatal asphyxia |
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Authors: | Mahmoud Agha Gehad Selmi Mohamed Ezzat |
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Affiliation: | 1. Medical Research Institute, Alexandria University, Egypt;2. Suez Canal University, Egypt;3. AGH, Hufuf, Saudi Arabia |
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Abstract: | ObjectiveThe study aims to determine the high risk gestational week (GW) and/or birth weight (BW) of the preterm neonate, below which perinatal hypoxic cerebral injuries are expected to occur.Material and methodsEighty preterm neonates, born at or before 37 GW, were included. Twenty-three of them were <32 GW and 57 >32 GW. Also, 28 of them were <1500 g and 52 >1500 g. Imaging was done by transcranial ultrasound with 4–9 MHz curvilinear probe. CT scan was additionally performed for only 18 candidates. The study protocol was approved by the ethics committee in Al-Mana General Hospital (AGH).ResultsIntraventricular hemorrhage (IVH) was diagnosed in six preterm neonates <32 GW and two >32 GW. Three <32 GW and one >32 GW presented with hypoxic ischemic encephalopathy (HIE) with no hemorrhage. Two preterm neonates <32 GW had both IVH & HIE. All positive cases were below 1500 g BW.ConclusionPreterm neonates <32 GW and/or <1500 g are highly susceptible for HIE and/or IVH. Thus, special medical care, including post-labor hospitalization in well equipped special baby care units (SCBU) and routine transcranial ultrasound (TCUS) screening is recommended for those preterm neonates. |
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Keywords: | BP, blood pressure BW, birth weight CVA, cerebrovascular accidents DWI, diffusion weighted imaging GW, gestational weeks HIE, hypoxic ischemic encephalopathy HR, heart rate IVH, intraventricular hemorrhage MRS, MR spectroscopy NAA, N-acetyl aspartate PACS, picture archiving and communication system PVLM, periventricular leukomalacia VP, ventriculoperitoneal VLBW, very low birth weight RI, resistive index RR, respiratory rate SCBU, special care baby unit TCUS, transcranial ultrasound |
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