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Siegel DN, Siddicky SF, Davis WD, Mannen EM. Mechanical environment influences muscle activity during infant rolling. Hum Mov Sci 2024; 95:103208. [PMID: 38484420 PMCID: PMC11176023 DOI: 10.1016/j.humov.2024.103208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/03/2024] [Accepted: 03/07/2024] [Indexed: 06/15/2024]
Abstract
An infant's musculoskeletal and motor development is largely affected by their environment. Understanding how different mechanical environments affect an infant's movements and muscle use is necessary to inform the juvenile products industry and reduce incidents involving inclined nursery products each year. The purpose of this study was to determine how the coordinated movements and corresponding muscle activation patterns are affected by different mechanical environments, specifically the back incline angle. Thirty-eight healthy infants (age: 6.5 ± 0.7 months; 23 M/15 F) were enrolled in this IRB-approved in-vivo biomechanics study. Surface electromyography sensors recorded muscle activity of the erector spinae, abdominal muscles, quadriceps, and hamstrings while infants rolled in five different mechanical environments: a flat surface and four device configurations representing a range of inclines infants are commonly exposed to. Coordinated movements were determined using video. In all configurations featuring an inclined seatback angle, infants experienced significantly higher erector spinae muscle activation and significantly lower abdominal muscle activation compared to the flat surface. Infants also exhibited a different coordinated movement featuring spinal extension and a pelvic thrust in the inclined device configurations that was not previously observed on the flat surface alone. Understanding how infants coordinate their movements and use their muscles during rolling in different inclined environments provides more insight into motor development and may inform the juvenile products industry. Many factors impact an infant's movements, therefore future work should explore how other environmental interactions influence an infant's movements and muscle activation, particularly for rolling.
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Affiliation(s)
- Danielle N Siegel
- Biomedical Engineering Doctoral Program, Boise State University, Boise, ID, United States
| | - Safeer F Siddicky
- Mechanical and Biomedical Engineering Department, College of Engineering, Boise State University, Boise, ID, United States; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, TX, United States
| | - Wyatt D Davis
- Mechanical and Biomedical Engineering Department, College of Engineering, Boise State University, Boise, ID, United States
| | - Erin M Mannen
- Biomedical Engineering Doctoral Program, Boise State University, Boise, ID, United States; Mechanical and Biomedical Engineering Department, College of Engineering, Boise State University, Boise, ID, United States.
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2
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Moon RY, Carlin RF, Hand I. Evidence Base for 2022 Updated Recommendations for a Safe Infant Sleeping Environment to Reduce the Risk of Sleep-Related Infant Deaths. Pediatrics 2022; 150:188305. [PMID: 35921639 DOI: 10.1542/peds.2022-057991] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Every year in the United States, approximately 3500 infants die of sleep-related infant deaths, including sudden infant death syndrome (SIDS) (International Statistical Classification of Diseases and Related Health Problems 10th Revision [ICD-10] R95), ill-defined deaths (ICD-10 R99), and accidental suffocation and strangulation in bed (ICD-10 W75). After a substantial decline in sleep-related deaths in the 1990s, the overall death rate attributable to sleep-related infant deaths have remained stagnant since 2000, and disparities persist. The triple risk model proposes that SIDS occurs when an infant with intrinsic vulnerability (often manifested by impaired arousal, cardiorespiratory, and/or autonomic responses) undergoes an exogenous trigger event (eg, exposure to an unsafe sleeping environment) during a critical developmental period. The American Academy of Pediatrics recommends a safe sleep environment to reduce the risk of all sleep-related deaths. This includes supine positioning; use of a firm, noninclined sleep surface; room sharing without bed sharing; and avoidance of soft bedding and overheating. Additional recommendations for SIDS risk reduction include human milk feeding; avoidance of exposure to nicotine, alcohol, marijuana, opioids, and illicit drugs; routine immunization; and use of a pacifier. New recommendations are presented regarding noninclined sleep surfaces, short-term emergency sleep locations, use of cardboard boxes as a sleep location, bed sharing, substance use, home cardiorespiratory monitors, and tummy time. In addition, additional information to assist parents, physicians, and nonphysician clinicians in assessing the risk of specific bed-sharing situations is included. The recommendations and strength of evidence for each recommendation are published in the accompanying policy statement, which is included in this issue.
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Affiliation(s)
- Rachel Y Moon
- Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Rebecca F Carlin
- Division of Pediatric Critical Care and Hospital Medicine, Department of Pediatrics, Columbia University Irving Medical Center, NewYork-Presbyterian Hospital, New York City, New York
| | - Ivan Hand
- Department of Pediatrics, SUNY-Downstate College of Medicine, NYC Health + Hospitals, Kings County, Brooklyn, New York
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Moon RY, Carlin RF, Hand I. Sleep-Related Infant Deaths: Updated 2022 Recommendations for Reducing Infant Deaths in the Sleep Environment. Pediatrics 2022; 150:188304. [PMID: 35726558 DOI: 10.1542/peds.2022-057990] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Each year in the United States, ∼3500 infants die of sleep-related infant deaths, including sudden infant death syndrome (SIDS) (International Classification of Diseases, 10th Revision [ICD-10] R95), ill-defined deaths (ICD-10 R99), and accidental suffocation and strangulation in bed (ICD-10 W75). After a substantial decline in sleep-related deaths in the 1990s, the overall death rate attributable to sleep-related infant deaths has remained stagnant since 2000, and disparities persist. The triple risk model proposes that SIDS occurs when an infant with intrinsic vulnerability (often manifested by impaired arousal, cardiorespiratory, and/or autonomic responses) undergoes an exogenous trigger event (eg, exposure to an unsafe sleeping environment) during a critical developmental period. The American Academy of Pediatrics recommends a safe sleep environment to reduce the risk of all sleep-related deaths. This includes supine positioning; use of a firm, noninclined sleep surface; room sharing without bed sharing; and avoidance of soft bedding and overheating. Additional recommendations for SIDS risk reduction include human milk feeding; avoidance of exposure to nicotine, alcohol, marijuana, opioids, and illicit drugs; routine immunization; and use of a pacifier. New recommendations are presented regarding noninclined sleep surfaces, short-term emergency sleep locations, use of cardboard boxes as a sleep location, bed sharing, substance use, home cardiorespiratory monitors, and tummy time. Additional information to assist parents, physicians, and nonphysician clinicians in assessing the risk of specific bed-sharing situations is also included. The recommendations and strength of evidence for each recommendation are included in this policy statement. The rationale for these recommendations is discussed in detail in the accompanying technical report.
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Affiliation(s)
- Rachel Y Moon
- Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Rebecca F Carlin
- Department of Pediatrics, Division of Pediatric Critical Care and Hospital Medicine, Columbia University Irving Medical Center, NewYork-Presbyterian Hospital, New York, New York, New York
| | - Ivan Hand
- Department of Pediatrics, SUNY-Downstate College of Medicine, NYC Health + Hospitals
- Kings County, Brooklyn, New York
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Bohnhorst B, Weidlich C, Peter C, Böhne C, Kattner E, Pirr S. Cardiorespiratory Events Following the Second Routine Immunization in Preterm Infants: Risk Assessment and Monitoring Recommendations. Vaccines (Basel) 2021; 9:vaccines9080909. [PMID: 34452034 PMCID: PMC8402520 DOI: 10.3390/vaccines9080909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022] Open
Abstract
Due to frequent cardiorespiratory events (CREs) in response to the first routine immunization (rIM), current guidelines recommend readmitting and monitoring extremely preterm infants after the second rIM, though evidence on CREs in response to the second rIM is weak. In a prospective observational study, preterm infants with an increase in CREs after the first rIM were monitored for CREs before and after the second rIM. Seventy-one infants with a median gestational age of 26.4 weeks and a median weight of 820 g at birth were investigated at a median postnatal age of 94 days. All but seven infants showed an increase in CREs after the second rIM. The frequency of hypoxemias (p < 0.0001), apneas (p = 0.0003) and cardiorespiratory events requiring tactile stimulation (CRE-ts) (p = 0.0034) increased significantly. The 25 infants (35%) presenting with CRE-ts were significantly more likely to have been continuously hospitalized since birth (p = 0.001) and to receive analeptic therapy at the first rIM (p = 0.002) or some kind of respiratory support at the first (p = 0.005) and second rIM (p < 0.0001). At a postmenstruational age of 43.5 weeks, CRE-ts ceased. Our data support the recommendation to monitor infants who fulfil the above-mentioned criteria during the second rIM up to a postmenstruational age of 44 weeks.
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Affiliation(s)
- Bettina Bohnhorst
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, 30625 Hannover, Lower Saxony, Germany; (B.B.); (C.W.); (C.P.); (C.B.)
| | - Cornelia Weidlich
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, 30625 Hannover, Lower Saxony, Germany; (B.B.); (C.W.); (C.P.); (C.B.)
| | - Corinna Peter
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, 30625 Hannover, Lower Saxony, Germany; (B.B.); (C.W.); (C.P.); (C.B.)
| | - Carolin Böhne
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, 30625 Hannover, Lower Saxony, Germany; (B.B.); (C.W.); (C.P.); (C.B.)
| | - Evelyn Kattner
- Department of Neonatology, Children’s Hospital “Auf der Bult”, 30173 Hannover, Lower Saxony, Germany;
| | - Sabine Pirr
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, 30625 Hannover, Lower Saxony, Germany; (B.B.); (C.W.); (C.P.); (C.B.)
- Correspondence:
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Siddicky SF, Wang J, Rabenhorst B, Buchele L, Mannen EM. Exploring infant hip position and muscle activity in common baby gear and orthopedic devices. J Orthop Res 2021; 39:941-949. [PMID: 34566253 PMCID: PMC8462515 DOI: 10.1002/jor.24818] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 07/13/2020] [Indexed: 02/04/2023]
Abstract
Infant positioning in daily life may affect hip development. While neonatal animal studies indicate detrimental relationships between inactive lower extremities and hip development and dysplasia, no research has explored infant hip biomechanics experimentally. This study evaluated hip joint position and lower extremity muscle activity of healthy infants in common body positions, baby gear, and orthopedic devices used to treat hip dysplasia (the Pavlik harness and the Rhino cruiserabduction brace). Surface electromyography(EMG) and marker-based motion capture recorded lower extremity muscle activity and kinematics of 22 healthy full-term infants (4.2±1.6 months, 13M/9F) during five conditions: Pavlik harness, Rhino brace, inward-facing soft-structured baby carrier, held in arms facing inwards, and a standard car seat. Mean filtered EMG signal, time when muscles were active, and hip position (angles) were calculated. Compared to the Pavlik harness, infants exhibited similar adductor activity (but lower hamstring and gluteus maximus activity) in the Rhino abduction brace, similar adductor and gluteus maximus activity (but lower quadriceps and hamstring activity) in the baby carrier, similar but highly variable muscle activity in-arms, and significantly lower muscle activity in the car seat. Hip position was similar between the baby carrier and the Pavlik harness. This novel infant biomechanics study illustrates the potential benefits of using inward-facing soft-structured baby carriers for healthy hip development and highlights the potential negative impact of using supine-lying container-type devices such as car seats for prolonged periods of time. Further study is needed to understand the full picture of how body position impacts infant musculoskeletal development.
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Affiliation(s)
- Safeer F. Siddicky
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
- Mechanical and Biomedical Engineering Department, College of Engineering, Boise State University, Boise, ID
| | - Junsig Wang
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Brien Rabenhorst
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Lauren Buchele
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Erin M. Mannen
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR
- Mechanical and Biomedical Engineering Department, College of Engineering, Boise State University, Boise, ID
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Davis NL, Hoffman BD, Eichenwald EC. Variation in Car Seat Tolerance Screen Performance in Newborn Nurseries. Pediatrics 2020; 146:peds.2019-3593. [PMID: 32641358 DOI: 10.1542/peds.2019-3593] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/15/2020] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Currently, car seat tolerance screens (CSTSs) are recommended for all infants born prematurely in the United States. Although many late-preterm infants are cared for exclusively in newborn nurseries (NBNs), data on implementation of CSTS in nurseries are limited. Our objective for this study was to determine management strategies and potential variation in practice of CSTS in NBNs across the nation. METHODS We surveyed NBNs across 35 states using the Better Outcomes through Research for Newborns (BORN) network to determine what percentage perform CSTSs, inclusion and failure criteria, performance characteristics, follow-up of failed CSTSs including use of car beds, and provider attitudes toward CSTS. RESULTS Of the 84 NBNs surveyed, 90.5% performed predischarge CSTSs. The most common failure criteria were saturation <90%, bradycardia <80 beats per minute, and apnea >20 seconds. More than 55% noted hypotonia as an additional inclusion criterion for testing, and >34% tested any infant who had ever required supplemental oxygen. After an initial failed CSTS, >93% of NBNs retested in a car seat at a future time point, whereas only ∼1% automatically discharged infants in a car bed. When asked which infants should undergo predischarge CSTS, the most common recommendations by survey respondents included infants with hypotonia (83%), airway malformations (78%), hemodynamically significant congenital heart disease (63%), and prematurity (61%). CONCLUSIONS There is a large degree of variability in implementation of CSTS in NBNs across the United States. Further guidance on screening practices and failure criteria is needed to inform future practice and policy.
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Affiliation(s)
- Natalie L Davis
- Division of Neonatology, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Baltimore, Maryland;
| | - Benjamin D Hoffman
- Department of Pediatrics, Oregon Health and Science University School of Medicine, Doernbecher Children's Hospital, Portland, Oregon; and
| | - Eric C Eichenwald
- Division of Neonatology, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
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Siddicky SF, Bumpass DB, Krishnan A, Tackett SA, McCarthy RE, Mannen EM. Positioning and baby devices impact infant spinal muscle activity. J Biomech 2020; 104:109741. [PMID: 32178849 PMCID: PMC7188598 DOI: 10.1016/j.jbiomech.2020.109741] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/02/2020] [Accepted: 03/07/2020] [Indexed: 12/26/2022]
Abstract
Infant positioning in daily life, particularly in relation to active neck and back muscles, may affect spinal development, psychosocial progression, and motor milestone achievement. Yet the impact of infant body position on muscle activity is unknown. The objective of this study was to evaluate neck and back muscle activity of healthy infants in common positions and baby devices. Healthy full-term infants (n = 22, 2-6 months) participated in this experimental study. Daily sleep and positioning were reported by caregivers. Cervical paraspinal and erector spinae muscle activity was measured using surface electromyography (EMG) in five positions: lying prone, lying supine, held in-arms, held in a baby carrier, and buckled into a car seat. Mean filtered EMG signal and time that muscles were active were calculated. Paired t-tests were used to compare positions to the prone condition. Caregivers reported that infants spent 12% of daily awake time prone, 43% in supine-lying baby gear, and 44% held in-arms or upright in a baby carrier. Infants exhibited highest erector spinae activity when prone, and lowest cervical paraspinal muscle activity in the car seat. No differences were found between in-arms carrying and babywearing. This first evaluation of the muscle activity of healthy infants supports the importance of prone time in infants' early spinal development because it promotes neck and back muscle activity. Carrying babies in-arms or in baby carriers may also be beneficial to neck muscle development, while prolonged time spent in car seats or containment devices may be detrimental to spinal development.
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Affiliation(s)
- Safeer F Siddicky
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - David B Bumpass
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Akshay Krishnan
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Stewart A Tackett
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Richard E McCarthy
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Erin M Mannen
- Department of Orthopaedic Surgery, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States.
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Clinically Asymptomatic Sleep-Disordered Breathing in Infants with Single-Ventricle Physiology. J Pediatr 2020; 218:92-97. [PMID: 31952850 DOI: 10.1016/j.jpeds.2019.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 10/17/2019] [Accepted: 11/05/2019] [Indexed: 11/20/2022]
Abstract
OBJECTIVES To assess clinically asymptomatic infants with single-ventricle physiology (SVP) for sleep-disordered breathing (SDB) in the supine and car seat positions using polysomnography. Polysomnography results also were compared with results of a standard Car Seat Challenge to measure the dependability of the standard Car Seat Challenge. STUDY DESIGN This was an observational study of 15 infants with SVP. Polysomnography data included Obstructive Index, Central Index, Arousal Index, Apnea Hypopnea Index, and sleep efficiency. Polysomnography heart rate and oxygen saturation data were used to compare polysomnography with the standard Car Seat Challenge. RESULTS Polysomnography demonstrated that all 15 infants had SDB and 14 had obstructive sleep apnea (Obstructive Index ≥1/hour) in both the supine and car seat positions. Infants with SVP had a statistically significant greater median Obstructive Index in the car seat compared with supine position (6.3 vs 4.2; P = .03), and median spontaneous Arousal Index was greater in the supine position compared with the car seat (20.4 vs 15.2; P = .01). Comparison of polysomnography to standard Car Seat Challenge results demonstrated 5 of 15 (33%) of infants with SVP with abnormal Obstructive Index by polysomnography would have passed a standard Car Seat Challenge. CONCLUSIONS Infants with SVP without clinical symptoms of SDB may be at high risk for SDB that appears worse in the car seat position. The standard Car Seat Challenge is not dependable in the identification of infants with SVP and SDB. Further studies are warranted to further delineate its potential impact of SDB on the clinical outcomes of infants with SVP.
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Bohnhorst B, Seidel K, Böhne C, Peter C, Pirr S. Heart rate, respiratory rate, apnoeas and peripheral arterial oxygen saturation in healthy term neonates during quiet sleep. Acta Paediatr 2019; 108:231-238. [PMID: 29926973 DOI: 10.1111/apa.14470] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 05/09/2018] [Accepted: 06/19/2018] [Indexed: 02/06/2023]
Abstract
AIM This study compiled percentiles for cardiorespiratory parameters in healthy term neonates during quiet sleep. METHODS We enrolled 215 healthy term neonates born at Hannover Medical School, Germany, between October 2011 and March 2013. They were prospectively observed on the maternity ward at a median age of two days using six-hour recordings of pulse oximeter plethysmography, oxygen saturation, thoracic breathing movements and electrocardiogram during sleep in a supine position. We examined their heart rate, respiratory rate and oxygen saturation during quiet sleep, plus bradycardias, apnoeas lasting at least four-seconds and desaturations below 85%. RESULTS The 3rd, 50th and 97th percentiles were calculated as follows: heart rate 87, 112 and 133 beats per minute, respiratory rate 32, 44 and 57 per minute and oxygen saturation 94, 98 and 100%. Desaturations, apnoeas and bradycardias below 80 beats per minute were common and recorded in 54%, 98% and 30% of participants. In contrast, only 7% experienced bradycardias of less than two-thirds of the baseline heart rate and 5% experienced apnoeas exceeding 15 seconds. CONCLUSION Our results will facilitate the evidence-based valuation of cardiorespiratory parameters in term neonates and help validate the significance of cardiorespiratory events in preterm infants at discharge.
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Affiliation(s)
- B Bohnhorst
- Department of Paediatric Pneumology, Allergology and Neonatology; Hannover Medical School; Hannover Germany
| | - K Seidel
- Medical Clinic 3; St. Bernward Hospital; Hildesheim Germany
| | - C Böhne
- Department of Paediatric Pneumology, Allergology and Neonatology; Hannover Medical School; Hannover Germany
| | - C Peter
- Department of Paediatric Pneumology, Allergology and Neonatology; Hannover Medical School; Hannover Germany
| | - S Pirr
- Department of Paediatric Pneumology, Allergology and Neonatology; Hannover Medical School; Hannover Germany
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Use of car beds for infant travel: a review of the literature. J Perinatol 2018; 38:1287-1294. [PMID: 30097654 DOI: 10.1038/s41372-018-0195-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/16/2018] [Accepted: 07/27/2018] [Indexed: 11/08/2022]
Abstract
Discharging neonates in a proper car safety seat is standard of care in the United States and many other countries. However, not every neonate can be safely positioned in a standard semi-upright car seat. In these cases, providers may opt for a travel device that allows the infant to lie flat, either supine or prone, known as a car bed. Minimal evidence exists to guide providers on car bed safety and help determine which infants would benefit from discharge in a car bed. In this article, we provide a comprehensive summary of existing literature on the safety of car beds for motor vehicle travel, car bed use in specific patient populations, and car beds vs. car seats for infants at risk of adverse cardiorespiratory events, including preterm infants with Hg-O2 desaturations in the car seat. We discuss recommendations for the follow-up of infants discharged in a car bed in order to safely transition back to a car seat.
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11
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Jensen EA, Foglia EE, Dysart KC, Aghai ZH, Cook A, Greenspan JS, DeMauro SB. Car Seat Tolerance Screening in the Neonatal Intensive Care Unit: Failure Rates, Risk Factors, and Adverse Outcomes. J Pediatr 2018; 194:60-66.e1. [PMID: 29269198 PMCID: PMC5826836 DOI: 10.1016/j.jpeds.2017.11.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 10/11/2017] [Accepted: 11/01/2017] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To characterize the epidemiology of Car Seat Tolerance Screening (CSTS) failure and the association between test failure and all-cause 30-day postdischarge mortality or hospital readmission in a large, multicenter cohort of preterm infants receiving neonatal intensive care. STUDY DESIGN This retrospective cohort study used the prospectively collected Optum Neonatal Database. Study infants were born at <37 weeks of gestation between 2010 and 2016. We identified independent predictors of CSTS failure and calculated the risk-adjusted odds of all-cause 30-day mortality or hospital readmission associated with test failure. RESULTS Of 7899 infants cared for in 788 hospitals, 334 (4.2%) failed initial CSTS. Greater postmenstrual age at testing and African American race were independently associated with decreased failure risk. Any treatment with an antacid medication, concurrent use of caffeine or supplemental oxygen, and a history of failing a trial off respiratory support were associated with increased failure risk. The mean adjusted post-CSTS duration of hospitalization was 3.1 days longer (95% CI, 2.7-3.6) among the infants who failed the initial screening. Rates of 30-day all-cause mortality or readmission were higher among infants who failed the CSTS (2.4% vs 1.0%; P = .03); however, the difference was not significant after confounder adjustment (OR, 0.38; 95% CI, 0.11-1.31). CONCLUSION CSTS failure was associated with longer post-test hospitalization but no difference in the risk-adjusted odds for 30-day mortality or hospital readmission. Whether CSTS failure unnecessarily prolongs hospitalization or results in appropriate care that prevents adverse postdischarge outcomes is unknown. Further research is needed to address this knowledge gap.
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Affiliation(s)
- Erik A. Jensen
- Department of Pediatrics, Division of Neonatology, The Children’s Hospital of Philadelphia and The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Elizabeth E. Foglia
- Department of Pediatrics, Division of Neonatology, The Children’s Hospital of Philadelphia and The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Kevin C. Dysart
- Department of Pediatrics, Division of Neonatology, The Children’s Hospital of Philadelphia and The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Zubair H. Aghai
- Division of Neonatology, Nemours/Sidney Kimmel Medical College at Thomas, Jefferson University, Philadelphia, Pennsylvania
| | | | - Jay S. Greenspan
- Division of Neonatology, Nemours/Sidney Kimmel Medical College at Thomas, Jefferson University, Philadelphia, Pennsylvania
| | - Sara B. DeMauro
- Department of Pediatrics, Division of Neonatology, The Children’s Hospital of Philadelphia and The University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
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12
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Stanton D, Hardcastle T, Muhlbauer D, van Zyl D. Cervical collars and immobilisation: A South African best practice recommendation. Afr J Emerg Med 2017; 7:4-8. [PMID: 30456099 PMCID: PMC6234176 DOI: 10.1016/j.afjem.2017.01.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 11/22/2016] [Accepted: 01/10/2017] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION The consequences of spinal injury as a result of trauma can be devastating. Spinal immobilisation using hard trauma boards and rigid cervical collars has traditionally been the standard response to suspected spinal injury patients even though the risk may be extremely low. Recently, adverse events due to the method of immobilisation have challenged the need for motion restriction in all trauma patients. International guidelines have been published for protection of the spine during transport and this article brings those guidelines into the South African context. RECOMMENDATIONS Trauma patients need to be properly assessed using both an approved list of high and low risk factors, as well as a thorough examination. They should then be managed accordingly. Internationally validated assessment strategies have been developed, and should be used as part of the patient assessment. The method of motion restriction should be selected to suit the situation. The use of a vacuum mattress is the preferable technique, with the use of a trauma board being the least desirable. CONCLUSION The need for motion restriction in suspected spinal injury should be properly evaluated and appropriate action taken. Not all trauma patients require spinal motion restriction.
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Affiliation(s)
- D. Stanton
- Netcare Education, Faculty of Emergency and Critical Care, South Africa
| | - T. Hardcastle
- University of Kwazulu Natal, Trauma Surgery Training Unit, Inkosi Albert Luthuli Central Hospital Trauma Service and Trauma ICU, South Africa
| | - D. Muhlbauer
- Department of Emergency Medical Care and Rescue, Durban University of Technology, South Africa
| | - D. van Zyl
- Life Flora Hospital Advanced Life Support Unit, South Africa
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Moon RY. SIDS and Other Sleep-Related Infant Deaths: Evidence Base for 2016 Updated Recommendations for a Safe Infant Sleeping Environment. Pediatrics 2016; 138:peds.2016-2940. [PMID: 27940805 DOI: 10.1542/peds.2016-2940] [Citation(s) in RCA: 356] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Approximately 3500 infants die annually in the United States from sleep-related infant deaths, including sudden infant death syndrome (SIDS), ill-defined deaths, and accidental suffocation and strangulation in bed. After an initial decrease in the 1990s, the overall sleep-related infant death rate has not declined in more recent years. Many of the modifiable and nonmodifiable risk factors for SIDS and other sleep-related infant deaths are strikingly similar. The American Academy of Pediatrics recommends a safe sleep environment that can reduce the risk of all sleep-related infant deaths. Recommendations for a safe sleep environment include supine positioning, use of a firm sleep surface, room-sharing without bed-sharing, and avoidance of soft bedding and overheating. Additional recommendations for SIDS risk reduction include avoidance of exposure to smoke, alcohol, and illicit drugs; breastfeeding; routine immunization; and use of a pacifier. New evidence and rationale for recommendations are presented for skin-to-skin care for newborn infants, bedside and in-bed sleepers, sleeping on couches/armchairs and in sitting devices, and use of soft bedding after 4 months of age. In addition, expanded recommendations for infant sleep location are included. The recommendations and strength of evidence for each recommendation are published in the accompanying policy statement, "SIDS and Other Sleep-Related Infant Deaths: Updated 2016 Recommendations for a Safe Infant Sleeping Environment," which is included in this issue.
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14
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Bass JL. Car Seat-Associated Hypoxia: Low Birth Weight Term Newborns, Another Group at Risk. Pediatrics 2015; 136:183-4. [PMID: 26077486 DOI: 10.1542/peds.2015-1292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/15/2015] [Indexed: 11/24/2022] Open
Affiliation(s)
- Joel L Bass
- Department of Pediatrics, Newton-Wellesley Hospital, Newton, Massachusetts
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15
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Davis NL. Screening for cardiopulmonary events in neonates: a review of the infant car seat challenge. J Perinatol 2015; 35:235-40. [PMID: 25675050 DOI: 10.1038/jp.2015.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 12/16/2014] [Accepted: 01/05/2015] [Indexed: 11/09/2022]
Abstract
The infant car seat challenge (ICSC), or period of observation in a car safety seat before discharge to monitor for episodes of apnea, bradycardia and desaturation, is one of the most common tests performed on preterm neonates in the United States. However, the utility of the ICSC to identify infants at risk for adverse cardiopulmonary events in the car seat remains unclear. Minimal evidence exists to guide clinicians in performance of this test including appropriate inclusion criteria and failure criteria. In this article, the origins of the ICSC are discussed as well as potential etiologies of desaturations and bradycardia in the car seat position. Current literature on implementation, inclusion and failure criteria, incidence of failure and data on the meaning of a 'passed' vs 'failed' ICSC are discussed. Emphasis is made on minimizing time in car seats and seated devices given concern over the risk of desaturations.
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Affiliation(s)
- N L Davis
- Department of Pediatrics, Division of Neonatology, University of Maryland Children's Hospital, University of Maryland School of Medicine, Baltimore, MD, USA
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16
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Chiu K, Tonkin SL, Gunn AJ, McIntosh CC. Are baby hammocks safe for sleeping babies? A randomised controlled trial. Acta Paediatr 2014; 103:783-7. [PMID: 24766353 DOI: 10.1111/apa.12663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2013] [Revised: 04/11/2014] [Accepted: 04/22/2014] [Indexed: 11/26/2022]
Abstract
AIM Two reports of infants found dead after sleeping in baby hammocks have raised international concern about the safety of infant hammocks. We therefore tested whether hammock sleep affected oxygenation in infants, when they were at an age of high risk of sudden, unexpected infant death. METHODS Healthy, full-term 4- to 8-week-old infants were randomised to sleep either in a commercially available hammock (n = 14) or a standard bassinet (n = 9), and sleep state, oxygen desaturation (a fall in peripheral haemoglobin oxygen saturation (SpO2 ) ≥ 4%, for ≥ 4 sec from baseline to nadir), apnoea and hypopnoea, and mean SpO2 were analysed. RESULTS There was no significant difference in mean SpO2 (both 98.5%) or rate of oxygen desaturation events between the hammock and the bassinet cot (mean ± SD, 24 ± 20 vs. 28 ± 23 events per hour), but infants slept less in the hammock (59 ± 31 vs. 81 ± 34 min, p < 0.02). CONCLUSION When correctly used, the hammock sleep position did not compromise the upper airway of sleeping infants. The significance of shorter duration of sleep in the hammocks is unclear. These findings should not be applied to all baby hammocks, nor to older babies, particularly once the infant can roll. Given that it is not possible to predict when an infant will be able to roll, we strongly recommend that hammocks should not be used for unsupervised sleep.
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Affiliation(s)
- Karen Chiu
- Department of Physiology; Faculty of Medical and Health Sciences; The University of Auckland; Auckland New Zealand
| | - Shirley L. Tonkin
- Department of Physiology; Faculty of Medical and Health Sciences; The University of Auckland; Auckland New Zealand
| | - Alistair J. Gunn
- Department of Physiology; Faculty of Medical and Health Sciences; The University of Auckland; Auckland New Zealand
| | - Christine C. McIntosh
- Department of Physiology; Faculty of Medical and Health Sciences; The University of Auckland; Auckland New Zealand
- Crawford Medical Centre; Howick Auckland
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Freyne B, Hamilton K, Mc Garvey C, Shannon B, Matthews TG, Nicholson AJ. Sudden unexpected death study underlines risks of infants sleeping in sitting devices. Acta Paediatr 2014; 103:e130-2. [PMID: 24175953 DOI: 10.1111/apa.12488] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 09/17/2013] [Accepted: 10/28/2013] [Indexed: 12/13/2022]
Affiliation(s)
- B Freyne
- RCSI Department of Paediatrics; Children's University Hospital; Dublin Ireland
| | - K Hamilton
- National Paediatric Mortality Register; Children's University Hospital; Dublin Ireland
| | - C Mc Garvey
- National Paediatric Mortality Register; Children's University Hospital; Dublin Ireland
| | - Brenda Shannon
- Department of Public Health; HSE Dublin Mid-Leinster; Longford
| | - TG Matthews
- National Paediatric Mortality Register; Children's University Hospital; Dublin Ireland
| | - AJ Nicholson
- RCSI Department of Paediatrics; Children's University Hospital; Dublin Ireland
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18
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Elliott LN, DiGirolamo B, McMahon M, Damian F, Brostoff M, Shermont H, Mooney DP, Lee LK. An Inpatient Child Passenger Safety program. Clin Pediatr (Phila) 2013; 52:1022-8. [PMID: 24137036 DOI: 10.1177/0009922813507130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background. Our institution implemented an Inpatient Child Passenger Safety (CPS) program for hospitalized children to improve knowledge and compliance with the Massachusetts CPS law, requiring children less than 8 years old or 57 inches tall to be secured in a car seat when in a motor vehicle. Methods. After the Inpatient CPS Program was piloted on 3 units in 2009, the program was expanded to all inpatient units in 2010. A computerized nursing assessment tool identifies children in need of a CPS consult for education and/or car seat. Results. With the expanded Inpatient CPS Program, 3650 children have been assessed, 598 consults initiated, and 325 families have received CPS education. Car seats were distributed to 419 children; specialty car seats were loaned to 134 families. Conclusions. With a multidisciplinary approach, we implemented an Inpatient CPS Program for hospitalized children providing CPS education and car seats to families in need.
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Schutzman DL, Salvador A, Janeczko M, Weisberg L, Tran N, Porat R. A comparison of the infant car seat challenge and the polysomnogram at the time of hospital discharge. Arch Dis Child Fetal Neonatal Ed 2013; 98:F411-5. [PMID: 23402887 DOI: 10.1136/archdischild-2012-303244] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE The American Academy of Pediatrics recommends all infants born at <37 weeks gestation spend a period of observation in a car seat prior to hospital discharge to assess for apnoea, bradycardia or oxygen desaturation. The most recent Cochrane review suggested further studies to determine if the infant car seat challenge (ICSC) accurately predicts the risk of clinically adverse events. We reviewed our experience with the ICSC and the polysomnogram (PSG) to determine if the ICSC accurately predicts the risk of adverse events when compared with the PSG. STUDY DESIGN Retrospective chart review of all infants in our institution who had an ICSC and a PSG between January 2005 and December 2008. RESULT 785 infants had ICSCs. In addition, 313 infants (56.6%) had an abnormal PSG, even though the vast majority, 158 (88.3%), passed their ICSC. There were no significant differences in gestational age at birth, birth weight, chronological age at study or postmenstrual age at study between infants who either passed or failed the ICSC with those who passed or failed the PSG. The sensitivity of the ICSC was 0.11 and specificity was 0.96. The positive predictive value of the ICSC was 0.77 and the negative predictive value was 0.45. CONCLUSIONS The ICSC has a low negative predictive value (0.45) when compared with the PSG as a reference standard for identifying adverse cardiorespiratory events. Although less time consuming and cumbersome than extended polysomnography, the ICSC is not a reliable substitute.
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Affiliation(s)
- David L Schutzman
- Division of Neonatology, Department of Pediatrics, Albert Einstein Medical Center, Philadelphia, Pennsylvania, USA.
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20
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McIntosh CG, Tonkin SL, Gunn AJ. Randomized controlled trial of a car safety seat insert to reduce hypoxia in term infants. Pediatrics 2013; 132:326-31. [PMID: 23858423 DOI: 10.1542/peds.2013-0127] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE To test the hypothesis that a foam plastic insert that allows the infant head to rest in a neutral position in sleep may prevent obstruction of the upper airway and thus reduce episodes of reduced oxygenation in term infants in car seats. METHODS Healthy full-term babies were randomized to be studied during sleep while restrained in an infant car safety seat either with or without the insert, with continuous polysomnographic recordings with sleep video. RESULTS Seventy-eight infants (39 in each group) had polysomnogram recordings at a mean of 8 days of age. Both groups showed a small fall in mean hemoglobin oxygen saturation (SpO2) over the first hour of sleep. There was no difference between insert and no insert in the rate of moderate desaturations (a fall in SpO2 ≥ 4% lasting for ≥ 10 seconds, mean ± SEM, 17.0 ± 1.5 vs 17.2 ± 1.5/hour), or mean SpO2 during sleep. The insert was associated with a significant reduction in the rate of obstructive apnea (0.3 ± 0.1 vs 0.9 ± 1.5/hour, P < .03), the severity of desaturation events (minimum SpO2 82% ± 1% vs 74% ± 2%, P < .001), and time with SpO2 <85% (0.6% ± 0.3% vs 1.8% ± 1.4%, P = .03). CONCLUSIONS In full-term newborn infants, a car seat insert that helps the head to lie in a neutral position was associated with reduced severity of desaturation events but not the overall rate of moderate desaturations.
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Affiliation(s)
- Christine G McIntosh
- Department of Physiology, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand
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21
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Ritwik P, Cao LT, Curran R, Musselman RJ. Post-sedation events in children sedated for dental care. Anesth Prog 2013; 60:54-9. [PMID: 23763560 PMCID: PMC3683881 DOI: 10.2344/0003-3006-60.2.54] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 03/04/2013] [Indexed: 11/11/2022] Open
Abstract
Moderate oral sedation is used in pediatric dentistry for safe delivery of dental care to children. However, there is a paucity of data on the effects of pediatric dental sedations after discharge of children from the dental office. The purpose of this study was to evaluate and compare the incidence of adverse events occurring with meperidine and hydroxyzine versus midazolam alone 8 and 24 hours after sedation in pediatric dental patients. In this prospective study, a convenience sample of 46 healthy children presenting to a private pediatric dental practice for dental treatment needs was selected. A telephone survey of the parents of children sedated with either meperidine and hydroxyzine or midazolam alone was conducted 8 and 24 hours after the administration of sedation medications. Data analysis included descriptive statistics, frequency and proportion analysis, and Fisher exact test. Forty children were sedated with meperidine and hydroxyzine, and 6 who were sedated with midazolam. In both groups, 50% of the children slept in the car on the way home. Three children in the meperidine and hydroxyzine group vomited in the car. A significantly larger proportion of children in the meperidine and hydroxyzine group experienced prolonged sleep at home (P = .015). More children in the midazolam group exhibited irritability in the first 8 hours (P = .07). There were no statistical differences between the 2 groups with respect to incidence of pain, fever, vomiting, sleeping in the car, snoring, and difficulty in waking up. The lingering effects of orally administered sedation medications can lead to prolonged sleep, irritability, and vomiting in children after they have been discharged from the dental clinic. Most of these events occurred within the first 8 hours, but in some children the effects were seen up to 24 hours later.
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Affiliation(s)
- Priyanshi Ritwik
- Department of Pediatric Dentistry, Louisiana State University Health Sciences Center (LSUHSC) School of Dentistry, New Orleans, LA 70119, USA.
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Moon RY. SIDS and other sleep-related infant deaths: expansion of recommendations for a safe infant sleeping environment. Pediatrics 2011; 128:1030-9. [PMID: 22007004 DOI: 10.1542/peds.2011-2284] [Citation(s) in RCA: 308] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Despite a major decrease in the incidence of sudden infant death syndrome (SIDS) since the American Academy of Pediatrics (AAP) released its recommendation in 1992 that infants be placed for sleep in a nonprone position, this decline has plateaued in recent years. Concurrently, other causes of sudden unexpected infant death that occur during sleep (sleep-related deaths), including suffocation, asphyxia, and entrapment, and ill-defined or unspecified causes of death have increased in incidence, particularly since the AAP published its last statement on SIDS in 2005. It has become increasingly important to address these other causes of sleep-related infant death. Many of the modifiable and nonmodifiable risk factors for SIDS and suffocation are strikingly similar. The AAP, therefore, is expanding its recommendations from focusing only on SIDS to focusing on a safe sleep environment that can reduce the risk of all sleep-related infant deaths, including SIDS. The recommendations described in this policy statement include supine positioning, use of a firm sleep surface, breastfeeding, room-sharing without bed-sharing, routine immunizations, consideration of using a pacifier, and avoidance of soft bedding, overheating, and exposure to tobacco smoke, alcohol, and illicit drugs. The rationale for these recommendations is discussed in detail in the accompanying "Technical Report--SIDS and Other Sleep-Related Infant Deaths: Expansion of Recommendations for a Safe Infant Sleeping Environment," which is included in this issue of Pediatrics (www.pediatrics.org/cgi/content/full/128/5/e1341).
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