Spontaneous movements in the first four months of life: An accelerometric study in moderate and late preterm infants

Bultmann, Carla-Sophie; Orlikowsky, Thorsten; Häusler, Martin; Trepels-Kottek, Sonja; Disselhorst‐Klug, Catherine; Schoberer, Mark

doi:10.1016/j.earlhumdev.2019.01.002

Cited by 7 publications

(6 citation statements)

References 34 publications

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“…Seven papers [ 1 , 19 , 20 , 21 , 22 , 23 , 24 ] were included in this group, most of them using the Hammersmith Infant Neurological Examination (HINE) ( n = 3) or the GMA ( n = 2). One was a review study [ 1 ].…”

Section: Resultsmentioning

confidence: 99%

“…The other study [ 23 ] analyzed GMA in 23 LP and MP (14 males and 9 females) at two points of time, first before term age, around 35 and 37 weeks post-menstrual age, and second at the corrected age of three months by using triaxial accelerometers placed on specific positions on the hands and feet. This study demonstrated substantial changes in most of the parameters between the first and the second measurement, in particular spontaneous motility increase in variability and diversity like as the growth of periodicity of velocity of movements; the periodicity of velocity distribution of arm and leg movements became more regular and variable, indicating that infants acquire a greater repertoire of movement patterns at older ages.…”

Section: Resultsmentioning

confidence: 99%

“…In the studies assessing GMs, the authors reported the description of the development in low and high-risk LP infants but no specific difference between FT and LP was explored [ 22 , 23 ].…”

Section: Discussionmentioning

confidence: 99%

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Early Neurological Assessment and Long-Term Neuromotor Outcomes in Late Preterm Infants: A Critical Review

et al. 2020

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Background and Objectives: Late preterm (LP) infants (born between 34 and 36 weeks of gestational age) are considered at higher risk of neonatal morbidities, mortality, and neurological impairments than full-term born infants (FT). The aim of this study was to provide a critical review of the literature outlining the different aspects of neurological function reported both in the neonatal period and in the follow up of late preterm infants. Materials and Methods: A comprehensive search of the MEDLINE, Embase, PsycINFO, and CINAHL electronic databases was made, using the following search terms: ‘Late preterm infants’, ‘Near term infants’, ‘neurological assessment’, ‘neurological outcome’, ‘neuromotor outcome’, cerebral palsy’, ‘CP’, ‘motor impairment’, including all the studies reporting clinical neurological assessment of LP (including both neonatal period and subsequent ages). Results: A total of 35 articles, comprising 301,495 children, were included as fulfilling the inclusion criteria: ten reported neonatal neurological findings, seven reported data about the first two years after birth, eighteen reported data about incidence of CP and motor disorder during the infancy. Results showed a more immature neurological profile, explored with structured neurological assessments, in LP infants compared with FT infants. The LP population also had a higher risk of developing cerebral palsy, motor delay, and coordination disorder. Conclusion: LP had a higher risk of neurological impairments than FT infants, due to a brain immaturity and an increased vulnerability to injury, as the last weeks of gestational age are crucial for the development of the brain.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Early Neurological Assessment and Long-Term Neuromotor Outcomes in Late Preterm Infants: A Critical Review

et al. 2020

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“…Infants’ spontaneous movements during infancy are related to their developmental outcomes later in life ( Bultmann et al, 2019 ; Butcher et al, 2009 ; Hadders-Algra et al, 1997 ; Karch et al, 2012 ; Miyagishima et al, 2018 ). Moreover, spontaneous movements show different forms at different ages and are influenced by brain structure and maturational level ( Kobesova & Kolar, 2014 ; Prechtl, 1997 ).…”

Section: Introductionmentioning

confidence: 99%

Barcoding, linear and nonlinear analysis of full‐day leg movements in infants with typical development and infants at risk of developmental disabilities: Cross‐sectional study

Deng

Marmelat

Vanderbilt

et al. 2023

Infancy

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Traditional methods do not capture the multidimensional domains and dynamic nature of infant behavioral patterns. We aim to compare full‐day, in‐home leg movement data between infants with typical development (TD) and infants at risk of developmental disabilities (AR) using barcoding and nonlinear analysis. Eleven infants with TD (2–10 months) and nine infants AR (adjusted age: 2–14 months) wore a sensor on each ankle for 7 days. We calculated the standard deviation for linear variability and sample entropy (SampEn) of leg acceleration and angular velocity for nonlinear variability. Movements were also categorized into 16 barcoding states, and we calculated the SampEn and proportions of the barcoding. All variables were compared between the two groups using independent‐samples t‐test or Mann‐Whitney U test. The AR group had larger linear variability compared to the TD group. SampEn was lower in the AR group compared to TD group for both acceleration and angular velocity. Two barcoding states’ proportions were significantly different between the two groups. The results showed that nonlinear analysis and barcoding could be used to identify the difference of dynamic multidimensional movement patterns between infants AR and infants with TD. This information may help early diagnosis of developmental disabilities in the future.

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“…For example, Ulrich and Ulrich found that infants with Down syndrome have less complex kicking patterns than infants with typical development [ 3 ]. Similarly, infants born preterm show slower acceleration, jerkier movement and lower variability of interlimb correlation than infants born full-term [ 4 , 5 , 6 ]. Infants with myelomeningocele demonstrated movements with more regular, repeatable patterns, shorter durations, and fewer acceleration peaks than infants with typical development [ 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

How Many Days are Necessary to Represent Typical Daily Leg Movement Behavior for Infants at Risk of Developmental Disabilities?

Deng

Nishiyori

Vanderbilt

et al. 2020

Sensors

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Background: Movement characteristics can differentiate between infants at risk and infants with typical development. However, it is unknown how many days are needed to accurately represent typical daily behavior for infants at risk of developmental disabilities when using wearable sensors. To consider the balance between participant burden and the amount of data collected and optimizing the efficiency of data collection, our study determined (1) how many days were necessary to represent typical movement behavior for infants at risk of developmental disabilities and (2) whether movement behavior was different on weekend days and weekdays. Methods: We used Opal wearable sensors to collect at least 5 days of 11 infants’ leg movement data. The standard (average of 5 days) was compared with four methods (average of the first 1/2/3/4 days) using the Bland–Altman plots and the Spearman correlation coefficient. We also compared the data from the average of 2 weekend days to the average of the first 2 weekdays for 8 infants. Results: The Spearman correlation coefficient comparing the average of the first 2 days of data and the standards were all above 0.7. The absolute differences between them were all below 10% of the standards. The Bland–Altman plots showed more than 90% of the data points comparing the average of 2 days and the standards fell into the limit of agreement for each variable. The absolute difference between weekend days and weekdays for the leg movement rate, duration, average acceleration, and peak acceleration was 15.2%, 1.7%, 6.8% and 6.3% of the corresponding standard, respectively. Conclusion: Our results suggest 2 days is the optimal amount of data to represent typical daily leg movement behavior of infants at risk of developmental disabilities while minimizing participant burden. Further, leg movement behavior did not differ distinctly across weekend days and weekdays. These results provide supportive evidence for an efficient amount of data collections when using wearable sensors to evaluate movement behavior in infants at risk of developmental disabilities.

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Spontaneous movements in the first four months of life: An accelerometric study in moderate and late preterm infants

Cited by 7 publications

References 34 publications

Early Neurological Assessment and Long-Term Neuromotor Outcomes in Late Preterm Infants: A Critical Review

Early Neurological Assessment and Long-Term Neuromotor Outcomes in Late Preterm Infants: A Critical Review

Barcoding, linear and nonlinear analysis of full‐day leg movements in infants with typical development and infants at risk of developmental disabilities: Cross‐sectional study

How Many Days are Necessary to Represent Typical Daily Leg Movement Behavior for Infants at Risk of Developmental Disabilities?

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