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Sırtbaş-Işık G, Porsnok D, Yardımcı-Lokmanoğlu BN, Mutlu A. Sleep characteristics, early spontaneous movements, and developmental functioning in preterm infants in the early postnatal period. Sleep Med 2024; 114:151-158. [PMID: 38184924 DOI: 10.1016/j.sleep.2023.12.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 01/09/2024]
Abstract
OBJECTIVE This study aimed to investigate the following: (i) sleep characteristics in preterm infants at 9-20 weeks of corrected age, and (ii) differences in early spontaneous movements and developmental functioning results between the groups based on some sleep characteristics. METHODS Seventy-four preterm infants (36 female) were included. Sleep characteristics were assessed according to the Brief Infant Sleep Questionnaire (BISQ). The infants were divided into two groups based on total sleep duration: less than 12 h (38 infants), and 12 h and more (36 infants). Video recordings were made for the General Movements Assessment (GMA) and evaluated using the Motor Optimality Score for 3- to 5-Month-Old-Infants-Revised (MOS). Cognitive, language, and motor development were assessed using the Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III). RESULTS The total sleep duration of all preterm infants (mean ± SD) was 11.8 ± 3.3 h. Infants who had absent fidgety movements slept less than 12 h, and fidgety movements differed between the groups (p = 0.012). Infants who slept 12 h or more had significantly higher MOS (p = 0.041), cognitive (p = 0.002), language (p < 0.001), and motor (p = 0.002) development results. Infants who snored had lower MOS (p = 0.001), cognitive (p = 0.004), language (p = 0.002), and motor (p = 0.001) development results. Infants with fewer than three nocturnal awakenings had significantly higher Bayley-III cognitive (p = 0.007), language (p = 0.032), and motor (p = 0.005) domain results. Prone and supine sleeping positions showed higher motor domain results than lateral positions (p = 0.001). CONCLUSIONS Sleep in preterm infants might be a key factor in early developmental functioning processes and nervous system integrity. Even in the first months of life, there are substantial differences in cognitive, language, and motor development in association with sleep characteristics.
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Affiliation(s)
- Gülsen Sırtbaş-Işık
- Hacettepe University, Faculty of Physical Therapy and Rehabilitation, Developmental and Early Physiotherapy Unit, Ankara, Türkiye.
| | - Doğan Porsnok
- Hacettepe University, Faculty of Physical Therapy and Rehabilitation, Developmental and Early Physiotherapy Unit, Ankara, Türkiye.
| | - Bilge Nur Yardımcı-Lokmanoğlu
- Hacettepe University, Faculty of Physical Therapy and Rehabilitation, Developmental and Early Physiotherapy Unit, Ankara, Türkiye.
| | - Akmer Mutlu
- Hacettepe University, Faculty of Physical Therapy and Rehabilitation, Developmental and Early Physiotherapy Unit, Ankara, Türkiye.
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Kwong AKL, Doyle LW, Olsen JE, Eeles AL, Zannino D, Mainzer RM, Cheong JLY, Spittle AJ. Parent-recorded videos of infant spontaneous movement: Comparisons at 3-4 months and relationships with 2-year developmental outcomes in extremely preterm, extremely low birthweight and term-born infants. Paediatr Perinat Epidemiol 2022; 36:673-682. [PMID: 35172019 DOI: 10.1111/ppe.12867] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/11/2022] [Accepted: 01/16/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Infants born extremely preterm (EP, <28-week gestational age) or extremely low birthweight (ELBW, <1000 g) are at risk of developmental delay and cerebral palsy (CP). The General Movements Assessment (GMA) and its extension, the Motor Optimality Score, revised (MOS-R) (assesses movement patterns and posture), may help to identify early delays. OBJECTIVES To compare differences in the MOS-R scored from parent-recorded videos between infants born EP/ELBW and term-born infants, to determine relationships between the MOS-R and 2-year cognitive, language and motor outcomes and if any relationships differ between birth groups and the association of the GMA (fidgety) with CP. METHODS A geographical cohort (EP/ELBW and term-control infants) was assessed using the MOS-R inclusive of the GMA at 3- to 4-month corrected age (CA), and the Bayley Scales of Infant and Toddler Development, 3rd edition (Bayley-III) at 2-year CA. Differences in mean total MOS-R between groups, relationships between MOS-R and 2-year outcomes and relationships between GMA (fidgety) and CP in infants born EP/ELBW were estimated using linear/logistic regression. RESULTS Three hundred and twelve infants (147 EP/ELBW; 165 term) had complete MOS-R and Bayley-III assessments. Mean MOS-R was lower in infants born EP/ELBW than controls (mean difference -3.2, 95% confidence interval [CI] -4.2, -2.3). MOS-R was positively related to cognitive (β [regression coefficient] = 0.71, 95% CI 0.27, 1.15), language (β = 0.96, 95% CI 0.38, 1.54) and motor outcomes (β = .89, 95% CI 0.45, 1.34). There was little evidence for interaction effects between birth groups for any outcome. Absent/abnormal fidgety movements were related to CP in children born EP/ELBW (risk ratio 5.91, 95% CI 1.48, 23.7). CONCLUSIONS Infants born EP/ELBW have lower MOS-R than infants born at term. A higher MOS-R is related to better outcomes for 2-year development, with similar relationships in both birth groups. Absent/abnormal fidgety movements are related to CP in EP/ELBW survivors.
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Affiliation(s)
- Amanda K L Kwong
- Victorian Infant Brain Studies (VIBeS), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Newborn Research, Royal Women's Hospital, Parkville, Victoria, Australia.,Department of Physiotherapy, University of Melbourne, Parkville, Victoria, Australia
| | - Lex W Doyle
- Victorian Infant Brain Studies (VIBeS), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Newborn Research, Royal Women's Hospital, Parkville, Victoria, Australia.,Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia.,Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria, Australia
| | - Joy E Olsen
- Victorian Infant Brain Studies (VIBeS), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Newborn Research, Royal Women's Hospital, Parkville, Victoria, Australia
| | - Abbey L Eeles
- Victorian Infant Brain Studies (VIBeS), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Newborn Research, Royal Women's Hospital, Parkville, Victoria, Australia.,Department of Physiotherapy, University of Melbourne, Parkville, Victoria, Australia.,Department of Paediatrics, Monash University, Parkville, Victoria, Australia
| | - Diana Zannino
- Clinical Epidemiology and Biostatistics Unit, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Rheanna M Mainzer
- Clinical Epidemiology and Biostatistics Unit, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Jeanie L Y Cheong
- Victorian Infant Brain Studies (VIBeS), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Newborn Research, Royal Women's Hospital, Parkville, Victoria, Australia.,Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria, Australia
| | - Alicia J Spittle
- Victorian Infant Brain Studies (VIBeS), Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Newborn Research, Royal Women's Hospital, Parkville, Victoria, Australia.,Department of Physiotherapy, University of Melbourne, Parkville, Victoria, Australia
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