What can a morphometric study of unoperated children teach us about the natural history of metopic synostosis?
OBJECTIVE: Outcomes of surgical repair of trigonocephaly are well reported in the literature, but there is a paucity of information on the natural history of unoperated children. The authors evaluated a group of unoperated children with metopic synostosis to describe the natural change in head shape over time.
METHODS: A database was screened for scans of children with unoperated trigonocephaly (2010-2021). Multisuture cases and those with a metopic ridge were excluded. Three-dimensional surface scans (3D stereophotogrammetry/CT) were used for morphological analysis. Nine previously published parameters were used: frontal angle (FA30°), anteroposterior (AP) volume ratio (APVR), AP area ratio (APAR), AP width ratios 1 and 2 (APWR1 and APWR2), and 4 AP diagonal ratios (30° right APDR [rAPDR30], 30° left APDR [lAPDR30], 60° right APDR [rAPDR60], and 60° left APDR [lAPDR60]).
RESULTS: Ninety-seven scans were identified from a cohort of 316 patients with a single metopic suture, in which the male-to-female ratio was 2.7:1. Ages at the time of the scan ranged from 9 days to 11 years and were stratified into 4 groups: group 1, < 6 months; group 2, 6-12 months; group 3, 1-3 years; and group 4, > 3 years. Significant improvements were detected in 5 parameters (APVR, APAR, APWR1, rAPDR30, and lAPDR30) over time, whereas no significant differences were found in FA30, APWR2, rAPDR60, and lAPDR60 between age groups.
CONCLUSIONS: Forehead shape (surface area and volume), as well as narrowing and anterolateral contour at the frontal points, differed significantly over time without surgery. However, forehead angulation, narrowing, and anterolateral contour at temporal points did not show significant differences. This knowledge will aid in surgical and parental decision-making.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:33 |
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| Enthalten in: |
Journal of neurosurgery. Pediatrics - 33(2024), 4 vom: 01. Apr., Seite 374-381 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Elawadly, Ahmed M [VerfasserIn] |
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| Links: |
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| Themen: |
3D scans |
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| Anmerkungen: |
Date Completed 03.04.2024 Date Revised 03.04.2024 published: Electronic-Print Citation Status MEDLINE |
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| doi: |
10.3171/2023.11.PEDS23227 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367321769 |
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| 100 | 1 | |a Elawadly, Ahmed M |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a What can a morphometric study of unoperated children teach us about the natural history of metopic synostosis? |
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| 500 | |a Date Revised 03.04.2024 | ||
| 500 | |a published: Electronic-Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: Outcomes of surgical repair of trigonocephaly are well reported in the literature, but there is a paucity of information on the natural history of unoperated children. The authors evaluated a group of unoperated children with metopic synostosis to describe the natural change in head shape over time | ||
| 520 | |a METHODS: A database was screened for scans of children with unoperated trigonocephaly (2010-2021). Multisuture cases and those with a metopic ridge were excluded. Three-dimensional surface scans (3D stereophotogrammetry/CT) were used for morphological analysis. Nine previously published parameters were used: frontal angle (FA30°), anteroposterior (AP) volume ratio (APVR), AP area ratio (APAR), AP width ratios 1 and 2 (APWR1 and APWR2), and 4 AP diagonal ratios (30° right APDR [rAPDR30], 30° left APDR [lAPDR30], 60° right APDR [rAPDR60], and 60° left APDR [lAPDR60]) | ||
| 520 | |a RESULTS: Ninety-seven scans were identified from a cohort of 316 patients with a single metopic suture, in which the male-to-female ratio was 2.7:1. Ages at the time of the scan ranged from 9 days to 11 years and were stratified into 4 groups: group 1, < 6 months; group 2, 6-12 months; group 3, 1-3 years; and group 4, > 3 years. Significant improvements were detected in 5 parameters (APVR, APAR, APWR1, rAPDR30, and lAPDR30) over time, whereas no significant differences were found in FA30, APWR2, rAPDR60, and lAPDR60 between age groups | ||
| 520 | |a CONCLUSIONS: Forehead shape (surface area and volume), as well as narrowing and anterolateral contour at the frontal points, differed significantly over time without surgery. However, forehead angulation, narrowing, and anterolateral contour at temporal points did not show significant differences. This knowledge will aid in surgical and parental decision-making | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a 3D scans | |
| 650 | 4 | |a craniofacial | |
| 650 | 4 | |a metopic | |
| 650 | 4 | |a natural history | |
| 650 | 4 | |a stereophotogrammetry | |
| 650 | 4 | |a synostosis | |
| 650 | 4 | |a unoperated | |
| 700 | 1 | |a Smith, Luke P J |e verfasserin |4 aut | |
| 700 | 1 | |a Borghi, Alessandro |e verfasserin |4 aut | |
| 700 | 1 | |a Abdelaziz, Khaled I |e verfasserin |4 aut | |
| 700 | 1 | |a Silva, Adikarige Haritha Dulanka |e verfasserin |4 aut | |
| 700 | 1 | |a Dunaway, David J |e verfasserin |4 aut | |
| 700 | 1 | |a Jeelani, Noor Ul Owase |e verfasserin |4 aut | |
| 700 | 1 | |a Ong, Juling |e verfasserin |4 aut | |
| 700 | 1 | |a Hayward, Richard D |e verfasserin |4 aut | |
| 700 | 1 | |a James, Greg |e verfasserin |4 aut | |
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