Wide Sutures and Large Fontanels in the Newborn

Tan, Kim-Leong

doi:10.1001/archpedi.1976.02120050044007

Cited by 9 publications

(14 citation statements)

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“…It could also be due to measuring instrument and time of measurement and estimation of AF size in the presence of wide sutures. Wide sutures have been associated with large AF size in the presence of normal head circumference as evidenced by previous studies [ 16 , 32 ]. In some neonates, margins of fontanelle do not meet, but simply merge with suture lines.…”

Section: Discussionmentioning

confidence: 63%

“…Piece of evidences reported a variation in AF size between neonates of different races [ 12 , 17 , 20 , 29 ], regions [ 5 , 19 , 20 , 22 , 28 , 29 ], genetics [ 5 , 16 , 19 , 20 ], nutrition [ 19 ], methods, time of measurement, and measuring instruments [ 16 , 29 ] and estimation in the presence of wide sutures [ 32 ]. The method, type of instrument measuring and timing differences of various studies are presented in Table 6 .…”

Section: Discussionmentioning

confidence: 99%

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Anterior fontanelle size among term neonates on the first day of life born at University of Gondar Hospital, Northwest Ethiopia

et al. 2018

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BackgroundAnterior fontanelle is the largest, prominent and most important fontanelle, which is used for clinical evaluation. It is mainly characterized by its size and shape variation and is possibly influenced by gender, race and genetics. Understanding the variation of anterior fontanelle is used for recognition of different medical disorders and abnormal skeletal morphogenesis.ObjectiveTo determine the mean size of anterior fontanelle among term neonates on the first day of life born at University of Gondar Hospital, Gondar Town, Northwest Ethiopia, 2018.MethodsDescriptive cross sectional study design was undertaken in 384 term and apparently healthy neonates, using standard methods. Descriptive analysis, student t-test, one way ANOVA and Pearson correlation coefficient were implemented.ResultsIn this study, the mean size of anterior fontanelle in term neonates was 3.00 ± 0.62 cm (range 1.70–5.50 cm). The mean size of anterior fontanelle was 3.10 ± 0.66 cm for males, and 2.88 ± 0.57 cm for females. There was statistically significant difference in anterior fontanelle size in neonates of different genders (p<0.001), mode of delivery (p<0.001) and duration of labour (p = 0.006). However, the size of anterior fontanelle was not significantly affected by the birth order, onset of labour and socio-demographic variables of the mother except occupation of the mother (p = 0.01). There was a significant positive correlation between the mean size of anterior fontanelle with birth weight (r = 0.11; p = 0.04) and head circumference (r = 0.17; p = 0.001).ConclusionsAt term, male neonates had significantly larger anterior fontanelle than female neonates and anterior fontanelle size has a direct relationship with birth weight and head circumference.

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Section: Discussionmentioning

confidence: 63%

Section: Discussionmentioning

confidence: 99%

Anterior fontanelle size among term neonates on the first day of life born at University of Gondar Hospital, Northwest Ethiopia

et al. 2018

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“…Piece of evidences reported a variation in AF size between neonates of different races (12,17,20,29), regions (5,19,20,22,28,29), genetics (5,16,19,20), nutrition (19), methods, time of measurement, and measuring instruments (16,29) and estimation in the presence of wide sutures (32). The method, type of instrument measuring and timing differences of various studies are presented in Table 6.…”

Section: Discussionmentioning

confidence: 99%

Anterior fontanelle size among term neonates on the first day of life born at University of Gondar Hospital, Northwest Ethiopia

Oumer

Guday

Teklu

et al. 2018

Preprint

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“…Ebenso wie in der Bonner Studie wird auch in der Literatur von fehlenden oder nicht signifikanten Geschlechtsunterschieden der Fontanellenmaße berichtet (Karlberg u. Mitarb. 1976, Tan 1976, Weber u. Mitarb. 1981, Faix und Durham 1982.…”

Section: Ergebnisseunclassified

“…(1976) wurde die Fontanelle dreimonatlich bis zum Alter von 3 Jahren gemessen, auch hier fehlen Angaben über die Verschlußzeiten. Tan (1976) Klin. Pädiat.…”

Section: Introductionunclassified

Die große Fontanelle als Fenster zum Gehirn - Normalwerte und Verschlußzeiten

Brandt¹,

Hodes²,

Reimnitz³

1986

Klin Padiatr

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Nowadays an exact examination of the infant's brain is possible through the anterior fontanelle by ultrasonography (US); however for that a certain minimal size of the fontanelle is necessary. In the literature standards for size and timing of closure are scarce. In the Bonn Longitudinal Study of growth and development of preterm infants in comparison with full term infants also the length (anterior-posterior diameter) and width (transversal) of the anterior fontanelle have been measured monthly from birth, and the timing of closure was registered. As a measure of fontanelle size here the width (transversal diameter) is used. For the full term infants the width (50. percentile) at birth is 2.0 cm; it decreases to 0.6 cm until the age of 12 months. The great variability of fontanelle size observed in the Bonn study is also confirmed in the literature. In the appropriate for gestational age (AGA) preterm infants the anterior fontanelle (50. percentile) increases between 32 and 40 postmenstrual weeks from 1.8 to 2.5 cm and is then significantly greater than in the full term infants. At least at the age of 3 months there is no significant difference between the AGA preterm infants and the full term infants, either for the boys or for the girls. For the boys, in spite of their significantly greater head circumference there is a tendency to have a smaller fontanelle than the girls; the difference is at no age significant. For preterm as well as for full term infants timing of closure occurs somewhat earlier in the boys than in the girls.(ABSTRACT TRUNCATED AT 250 WORDS)

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Wide Sutures and Large Fontanels in the Newborn

Cited by 9 publications

References 1 publication

Anterior fontanelle size among term neonates on the first day of life born at University of Gondar Hospital, Northwest Ethiopia

Anterior fontanelle size among term neonates on the first day of life born at University of Gondar Hospital, Northwest Ethiopia

Anterior fontanelle size among term neonates on the first day of life born at University of Gondar Hospital, Northwest Ethiopia

Die große Fontanelle als Fenster zum Gehirn - Normalwerte und Verschlußzeiten

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