Pituitary gland height evaluated with magnetic resonance imaging in premature twins : the impact of growth and sex
© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
BACKGROUND: Pituitary gland height reflects secretory activity of the hypothalamo-pituitary axis.
OBJECTIVE: To assess the cumulative impact of fetal growth and sex on pituitary gland height in premature twins, dissociated from prematurity.
MATERIALS AND METHODS: A retrospective study was conducted, assessing the pituitary gland height in 63 pairs of preterm twins, measured from T1-weighted magnetic resonance imaging (MRI). Auxological parameters, including body weight, body length, and head circumference, at birth and at the time of MRI, were used as proxies for fetal and postnatal growth, respectively. The study population was divided into two groups, using corrected age at around term equivalent as the cutoff point. Statistical analysis was performed using mixed-effects linear regression models.
RESULTS: When pituitary gland height was evaluated at around term equivalent, a greater pituitary gland height, suggesting a more immature hypothamo-pituitary axis, was associated with the twin exhibiting lower auxological data at birth. The same association was observed when body weight and length at MRI were used as covariants. In the group evaluated after term equivalent, a smaller pituitary gland height, suggesting a more mature hypothamo-pituitary axis, was associated with male sex. This difference was observed in twin pairs with higher average body weight at birth, and in babies exhibiting higher auxological data at MRI.
CONCLUSION: After isolating the effect of prematurity, at around term equivalent, pituitary gland height reflects the cumulative impact of fetal growth on the hypothalamo-pituitary axis. Subsequently, pituitary gland height shows effects of sex and of fetal and postnatal growth.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Pediatric radiology - (2024) vom: 22. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Argyropoulou, Maria I [VerfasserIn] |
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| Links: |
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| Themen: |
Birth weight |
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| Anmerkungen: |
Date Revised 22.02.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1007/s00247-024-05873-0 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368760294 |
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| 100 | 1 | |a Argyropoulou, Maria I |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Pituitary gland height evaluated with magnetic resonance imaging in premature twins |b the impact of growth and sex |
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| 520 | |a © 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. | ||
| 520 | |a BACKGROUND: Pituitary gland height reflects secretory activity of the hypothalamo-pituitary axis | ||
| 520 | |a OBJECTIVE: To assess the cumulative impact of fetal growth and sex on pituitary gland height in premature twins, dissociated from prematurity | ||
| 520 | |a MATERIALS AND METHODS: A retrospective study was conducted, assessing the pituitary gland height in 63 pairs of preterm twins, measured from T1-weighted magnetic resonance imaging (MRI). Auxological parameters, including body weight, body length, and head circumference, at birth and at the time of MRI, were used as proxies for fetal and postnatal growth, respectively. The study population was divided into two groups, using corrected age at around term equivalent as the cutoff point. Statistical analysis was performed using mixed-effects linear regression models | ||
| 520 | |a RESULTS: When pituitary gland height was evaluated at around term equivalent, a greater pituitary gland height, suggesting a more immature hypothamo-pituitary axis, was associated with the twin exhibiting lower auxological data at birth. The same association was observed when body weight and length at MRI were used as covariants. In the group evaluated after term equivalent, a smaller pituitary gland height, suggesting a more mature hypothamo-pituitary axis, was associated with male sex. This difference was observed in twin pairs with higher average body weight at birth, and in babies exhibiting higher auxological data at MRI | ||
| 520 | |a CONCLUSION: After isolating the effect of prematurity, at around term equivalent, pituitary gland height reflects the cumulative impact of fetal growth on the hypothalamo-pituitary axis. Subsequently, pituitary gland height shows effects of sex and of fetal and postnatal growth | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Birth weight | |
| 650 | 4 | |a Gestational age | |
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| 650 | 4 | |a Magnetic resonance imaging | |
| 650 | 4 | |a Newborn | |
| 650 | 4 | |a Pituitary gland | |
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| 700 | 1 | |a Astrakas, Loukas G |e verfasserin |4 aut | |
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| 700 | 1 | |a Styliara, Effrosyni I |e verfasserin |4 aut | |
| 700 | 1 | |a Kiortsis, Dimitrios-Nikiforos |e verfasserin |4 aut | |
| 700 | 1 | |a Giapros, Vasileios |e verfasserin |4 aut | |
| 700 | 1 | |a Kanaka-Gantenbein, Christina |e verfasserin |4 aut | |
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