3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting
IntroductionWeekly head circumference (HC) measurements using a measuring tape is the current standard for longitudinal brain growth monitoring of preterm infants. The MONITOR3D (M3D) 3D scanner has been developed to measure both HC and cranial volume (CrV) of preterm infants within incubators. The...
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Frontiers Media S.A.
2024-11-01
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| Series: | Frontiers in Medical Engineering |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmede.2024.1463793/full |
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| author | Ronald van Gils Ronald van Gils Ronald van Gils Ronald van Gils Onno Helder Onno Helder René Kornelisse Irwin Reiss Jenny Dankelman |
| author_facet | Ronald van Gils Ronald van Gils Ronald van Gils Ronald van Gils Onno Helder Onno Helder René Kornelisse Irwin Reiss Jenny Dankelman |
| author_sort | Ronald van Gils |
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| description | IntroductionWeekly head circumference (HC) measurements using a measuring tape is the current standard for longitudinal brain growth monitoring of preterm infants. The MONITOR3D (M3D) 3D scanner has been developed to measure both HC and cranial volume (CrV) of preterm infants within incubators. The M3D’s usability, accuracy and precision were validated in a simulated setting in a neonatal intensive care unit (NICU).Materials and methodsDuring a simulated routine care moment, NICU nurses conducted M3D scans of a preterm doll simulating an extreme low birthweight preterm (ELBW; BW < 1,000 g) infant, followed by manual HC measurements using a measuring tape. Usability was quantified by percentage of successful HC and CrV measurements from scans. HC and CrV were calculated by marking anatomical landmarks on the 3D image. Measurements were compared to the real, ground truth (GT) values of the doll’s head, defined by an accurate medical scanner. Measurement accuracy was assessed using mean or median absolute measurement error (ME), and precision by the spread of ME, represented by the 95% interval of the ME range. ME intervals were compared with preterm weekly growth increases to assess clinical usability.ResultsRegarding usability, 56 M3D scan sessions resulted in 25 successful (44.6%) HC and CrV measurements, with incomplete 3D data being the primary cause of unsuccessful scans. Accuracy of the measuring tape for HC was 0.2 cm (proportional 0.9% of GT), and precision was 1.6 cm (6.3%). M3D’s accuracy of HC was 0.4 cm (1.5%), and precision was 0.7 cm (2.9%). For CrV, M3D’s accuracy was 8.0 mL (3.8%) and precision 22.6 mL (10.8%).ConclusionThe M3D scanner is suitable for measuring HC and CrV in ELBW infants. However, current scan success rate is too low for practical usability. The M3D’s accuracy and precision are clinically sufficient, while the precision of the current measuring tape method is inadequate for preterm infants. This makes the M3D a promising alternative for HC, offering less disturbance to the infant. In the future, the M3D technique could facilitate the creation of CrV growth reference charts for ELBW infants, enhancing the accuracy of clinical growth monitoring for preterm infants. |
| format | Article |
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| language | English |
| publishDate | 2024-11-01 |
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| spelling | doaj-art-2ff294b94990476f91c6f23e52c3c5862025-08-20T02:14:56ZengFrontiers Media S.A.Frontiers in Medical Engineering2813-687X2024-11-01210.3389/fmede.2024.146379314637933D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care settingRonald van Gils0Ronald van Gils1Ronald van Gils2Ronald van Gils3Onno Helder4Onno Helder5René Kornelisse6Irwin Reiss7Jenny Dankelman8Department of Neonatal and Pediatric Intensive Care, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, NetherlandsDepartment of Create4Care, Erasmus MC University Medical Center, Rotterdam, NetherlandsResearch Centre Innovations in Care, Rotterdam University of Applied Sciences, Rotterdam, NetherlandsInstitute of Engineering and Applied Science, Rotterdam University of Applied Sciences, Rotterdam, NetherlandsDepartment of Create4Care, Erasmus MC University Medical Center, Rotterdam, NetherlandsResearch Centre Innovations in Care, Rotterdam University of Applied Sciences, Rotterdam, NetherlandsDepartment of Neonatal and Pediatric Intensive Care, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, NetherlandsDepartment of Neonatal and Pediatric Intensive Care, Division of Neonatology, Erasmus MC University Medical Center, Rotterdam, NetherlandsDepartment of Biomechanical Engineering, Faculty of Mechanical Engineering, Delft University of Technology, Delft, NetherlandsIntroductionWeekly head circumference (HC) measurements using a measuring tape is the current standard for longitudinal brain growth monitoring of preterm infants. The MONITOR3D (M3D) 3D scanner has been developed to measure both HC and cranial volume (CrV) of preterm infants within incubators. The M3D’s usability, accuracy and precision were validated in a simulated setting in a neonatal intensive care unit (NICU).Materials and methodsDuring a simulated routine care moment, NICU nurses conducted M3D scans of a preterm doll simulating an extreme low birthweight preterm (ELBW; BW < 1,000 g) infant, followed by manual HC measurements using a measuring tape. Usability was quantified by percentage of successful HC and CrV measurements from scans. HC and CrV were calculated by marking anatomical landmarks on the 3D image. Measurements were compared to the real, ground truth (GT) values of the doll’s head, defined by an accurate medical scanner. Measurement accuracy was assessed using mean or median absolute measurement error (ME), and precision by the spread of ME, represented by the 95% interval of the ME range. ME intervals were compared with preterm weekly growth increases to assess clinical usability.ResultsRegarding usability, 56 M3D scan sessions resulted in 25 successful (44.6%) HC and CrV measurements, with incomplete 3D data being the primary cause of unsuccessful scans. Accuracy of the measuring tape for HC was 0.2 cm (proportional 0.9% of GT), and precision was 1.6 cm (6.3%). M3D’s accuracy of HC was 0.4 cm (1.5%), and precision was 0.7 cm (2.9%). For CrV, M3D’s accuracy was 8.0 mL (3.8%) and precision 22.6 mL (10.8%).ConclusionThe M3D scanner is suitable for measuring HC and CrV in ELBW infants. However, current scan success rate is too low for practical usability. The M3D’s accuracy and precision are clinically sufficient, while the precision of the current measuring tape method is inadequate for preterm infants. This makes the M3D a promising alternative for HC, offering less disturbance to the infant. In the future, the M3D technique could facilitate the creation of CrV growth reference charts for ELBW infants, enhancing the accuracy of clinical growth monitoring for preterm infants.https://www.frontiersin.org/articles/10.3389/fmede.2024.1463793/fullneonatal intensive care unit (NICU)preterm infantsextremely low birth weight (ELBW)growth monitoringhead circumference (HC)cranial volume (CrV) |
| spellingShingle | Ronald van Gils Ronald van Gils Ronald van Gils Ronald van Gils Onno Helder Onno Helder René Kornelisse Irwin Reiss Jenny Dankelman 3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting Frontiers in Medical Engineering neonatal intensive care unit (NICU) preterm infants extremely low birth weight (ELBW) growth monitoring head circumference (HC) cranial volume (CrV) |
| title | 3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting |
| title_full | 3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting |
| title_fullStr | 3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting |
| title_full_unstemmed | 3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting |
| title_short | 3D scanner measuring preterm infants’ head circumference and cranial volume: validation in a simulated care setting |
| title_sort | 3d scanner measuring preterm infants head circumference and cranial volume validation in a simulated care setting |
| topic | neonatal intensive care unit (NICU) preterm infants extremely low birth weight (ELBW) growth monitoring head circumference (HC) cranial volume (CrV) |
| url | https://www.frontiersin.org/articles/10.3389/fmede.2024.1463793/full |
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