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ultrasound measurement of the corpus callosum and neural development of premature infants

Neural Regeneration Research 2013年第26期8卷 2432-2440页

作者： Fang Liu Shikao Cao Jiaoran Liu Zhifang Du Zhimei Guo Changjun Ren Department of Pediatrics NICU Bethune International Peace Hospital Department of ultrasound Bethune International Peace Hospital Department of Pediatrics NICU the First Hospital of Hebei Medical University

Length and thickness of 152 corpus callosa Using ultrasonic diagnostic equipment with a were measured in neonates within 24 hours ot b^rtn. neonatal brain-specific probe, corpus callosum length and thickness of the genu, body, and splenium were measured on the standard mid-sagittal plane, and the anteroposterior diameter of the genu was measured in the coronal plane. Results showed that corpus callosum length as well as thickness of the genu and splenium increased with gesta- tional age and birth weight, while other measures did not. These three factors on the standard mid-sagittal plane are therefore likely to be suitable for real-time evaluation of corpus callosum de- velopment in premature infants using cranial ultrasound. Further analysis revealed that thickness of the body and splenium and the anteroposterior diameter of the genu were greater in male infants than in female infants, suggesting that there are sex differences in corpus callosum size during the neonatal period. A second set of measurements were taken from 40 premature infants whose ges- tational age was 34 weeks or less. Corpus callosum measurements were corrected to a gestational age of 40 weeks, and infants were grouped for analysis depending on the outcome of a neonatal behavioral neurological assessment. Compared with infants with a normal neurological assessment, corpus callosum length and genu and splenium thicknesses were less in those with abnormalities, indicating that corpus callosum growth in premature infants is associated with neurobehavioral development during the early extrauterine stage.

关键词： neural regeneration neurogenesis brain injury premature infant cranial ultrasound neonate corpus callosum neonatal neurobehavior grants-supported paper neuroregeneration

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Interobserver reliability between pediatric radiologists and residents in ultrasound evaluation of intraventricular hemorrhage in premature infants

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World Journal of Radiology 2022年第11期14卷 367-374页

作者： Muhammad Danish Barakzai Ayimen Khalid Zara Za Sheer Faheemullah Khan Naila Nadeem Noman Khan Kiran Hilal Department of Radiology The Hospital for Sick ChildrenToronto 555Canada Department of Radiology Aga Khan University HospitalKarachi 74800Pakistan Community Health Sciences Aga Khan University HospitalKarachi 74800Pakistan

BACKGROUND Germinal matrix intraventricular hemorrhage(IVH)may contribute to significant morbidity and mortality in premature *** identification and grading of IVH affect decision-making and clinical *** is possibility of misinterpretation of the ultrasound appearances,and the interobserver variability has not been investigated between radiology resident and board-certified *** To assess interobserver reliability between senior radiology residents performing bedside cranial ultrasound during on-call hours and pediatric *** From June 2018 to June 2020,neonatal cranial ultrasound examinations were performed in neonatal intensive care *** findings were recorded by the residents performing the ultrasound and the pediatric attending *** In total,200 neonates were included in the study,with a mean gestational age of 30.9 *** agreement for higher grade(Grade III&IV)IVH was *** was substantial agreement for lower grade(Grade I&II)*** There is strong agreement between radiology residents and pediatric radiologists,which is higher for high grade IVHs.

关键词： ultrasound head Neonatal cranial ultrasound cranial ultrasound Intraventricular hemorrhage Neonatal intraventricular hemorrhage

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Use of Color Doppler ultrasound for the Diagnosis of Subarachnoid Hemorrhage in Asymptomatic Full-Term Neonate:A Case Report

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International Journal of Clinical Medicine 2012年第2期3卷 151-153页

作者： Helio A.Guimaraes Filho Janett J.Liberalino Ana T.P.Mendonca Carlos V.S.B.Leite Filho Leonardo F.Felipe Carlos F.Melo Júnior CETRIM-Imaginology Training Center Joao PessoaBrazil Departament of ultrasound Frei Damiao MaternityJoao PessoaBrazil Department of Radiology Federal University of ParaibaJoao PessoaBrazil

Cerebral hemorrhages are fairly common in full-term neonates with no history of traumatic birth, mostly limited, and with benign evolution. We report a case of a full-term neonate from vaginal birth with caput succedaneum in the right parietal area. The neonate underwent cranial ultrasonography and color Doppler which showed extra-axial blood effusion. Color Doppler showed vessels crossing the collection area, which allowed the diagnosis of subarachnoid hematoma.

关键词： Cerebral Hemorrhage Subarachnoid Hematoma cranial ultrasound Color Doppler

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