Improving infant sleep and maternal mental health: a cluster randomised trial.
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OBJECTIVES: To determine whether a community-delivered intervention targeting infant sleep problems improves infant sleep and maternal well-being and to report the costs of this approach to the healthcare system. DESIGN: Cluster randomised trial. SETTING: 49 Maternal and Child Health (MCH) centres (clusters) in Melbourne, Australia. PARTICIPANTS: 328 mothers reporting an infant sleep problem at 7 months recruited during October-November 2003. INTERVENTION: Behavioural strategies delivered over individual structured MCH consultations versus usual care. MAIN OUTCOME MEASURES: Maternal report of infant sleep problem, depression symptoms (Edinburgh Postnatal Depression Scale (EPDS)), and SF-12 mental and physical health scores when infants were 10 and 12 months old. Costs included MCH sleep consultations, other healthcare services and intervention costs. RESULTS: Prevalence of infant sleep problems was lower in the intervention than control group at 10 months (56% vs 68%; adjusted OR 0.58 (95% CI: 0.36 to 0.94)) and 12 months (39% vs 55%; adjusted OR 0.50 (0.31 to 0.80)). EPDS scores indicated less depression at 10 months (adjusted mean difference -1.4 (-2.3 to -0.4) and 12 months (-1.7 (-2.6 to -0.7)). SF-12 mental health scores indicated better health at 10 months (adjusted mean difference 3.7 (1.5 to 5.8)) and 12 months (3.9 (1.8 to 6.1)). Total mean costs including intervention design, delivery and use of non-MCH nurse services were 96.93 pounds sterling and 116.79 pounds sterling per intervention and control family, respectively. CONCLUSIONS: Implementing this sleep intervention may lead to health gains for infants and mothers and resource savings for the healthcare system. TRIAL REGISTRATION: Current Controlled Trial Registry, number ISRCTN48752250 [controlled-trials.com] (registered November 2004). (+info)
Sleep arrangements and behavior of bed-sharing families in the home setting.
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OBJECTIVES: We aimed to provide a quantitative analysis of the sleep arrangements and behaviors of bed-sharing families to further understand the risks and benefits as well as the effects of infant age and room temperature on bed-sharing behaviors. METHODS: Forty infants who regularly bed shared with > or = 1 parent > or = 5 hours per night were recruited. Overnight video of the family and physiological monitoring of the infant was conducted in infants' homes. Infant sleep position, potential for exposure to expired air, head covering and uncovering, breastfeeding, movements, family sleep arrangements, responses to the infant, and interactions were logged. RESULTS: All infants slept with their mother. Fathers were included in 18 studies and siblings in 4. Infants usually slept beside the mother, separated from the father/siblings (if present), facing the mother, with head at mothers' breast level, touching, or with mother cradling. Median overnight breastfeeding duration was 40.5 minutes. Mothers commonly faced their infant, but infants were rarely in a position that potentially exposed them to maternal expired air. Fathers were seldom in contact with the infant during sleep. Of the 102 head-covering episodes observed in 22 infants, 80% were because of changes in adult sleep position. Sixty-eight percent of head uncovering was facilitated by the mother; half of these events were prompted by the infant. A 1 degree C increase in room temperature decreased infant head covering by 0.2 hours. CONCLUSIONS: The mother-infant relationship is of prime importance during bed sharing, whether the father is present or not. The focus around breastfeeding often dictates the sleep position of the infant and mother, though room temperature may also influence this. In colder rooms infants tend to spend more time with their face covered by bedding. Frequent maternal interactions rely on the ability of the mother to arouse with little stimulation. Mothers, perhaps impaired by alcohol, smoking, or overtiredness, may not be able to respond appropriately. (+info)
Effects of selective serotonin reuptake inhibitors and venlafaxine during pregnancy in term and preterm neonates.
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OBJECTIVES: Our goals were to (a) describe neonatal behavioral signs in a group of newborns exposed in utero to selective serotonin reuptake inhibitors or venlafaxine at the time of delivery, (b) compare the rate of neonatal behavioral signs, prematurity, and admission to specialized neonatal care between a group of exposed and unexposed newborns, and (c) compare the effects in exposed preterm and term newborns. PATIENTS AND METHODS: This was a retrospective cohort study including mothers taking selective serotonin reuptake inhibitors or venlafaxine during the third trimester and mothers who were not taking any antidepressants, psychotropic agents, or benzodiazepines at the time of delivery of their newborns. Neonatal behavioral signs included central nervous, respiratory, and digestive systems, as well as hypoglycemia and the need for phototherapy. RESULTS: Seventy-six mothers taking antidepressants and 90 untreated mothers and their newborns were analyzed. Smoking, alcohol intake, and substance abuse were more frequent among treated mothers. In infants in the exposed group, signs involving the central nervous and the respiratory systems were often observed (63.2% and 40.8%, respectively). These signs appeared during the first day of life, with a median duration of 3 days for exposed newborns. The signs resolved in 75% of cases within 3 to 5 days for term and premature newborns, respectively. All exposed premature newborns presented behavioral manifestations compared with 69.1% of term exposed newborns. Median length of stay was almost 4 times longer for exposed premature newborns than for those who were unexposed (14.5 vs 3.7 days). CONCLUSIONS: Neonatal behavioral signs were frequently found in exposed newborns, but symptoms were transient and self-limited. Premature infants could be more susceptible to the effects of selective serotonin reuptake inhibitors and venlafaxine. (+info)
12-month-old infants allocate increased neural resources to stimuli associated with negative adult emotion.
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Young infants use caregivers' emotional expressions to guide their behavior in novel, ambiguous situations. This skill, known as social referencing, likely involves at least 3 separate abilities: (a) looking at an adult in an unfamiliar situation, (b) associating that adult's emotion with the novel situation, and (c) regulating their own emotions in response to the adult's emotional display. The authors measured each of these elements individually as well as how they related to each other. The results revealed that 12-month-olds allocated more attention, as indicated by event-related potential measures, to stimuli associated with negative adult emotion than to those associated with positive or neutral emotion. Infants' interaction with their caregiver was affected by adult emotional displays. In addition, how quickly infants referenced an adult predicted both their brain activity in response to pictures of stimuli associated with negative emotion as well as some aspects of their behavior regulation. The results are discussed with respect to their significance for understanding why infants reference and regulate their behavior in response to adult emotion. Suggestions for further research are provided. (+info)
A descriptive study of mothers' experiences feeding their preterm infants after discharge.
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PURPOSE: The purpose of this study was to explore mothers' perceptions of their experiences in feeding their preterm infants in the early weeks after hospital discharge. SUBJECTS: Twenty-seven mothers whose preterm infants were part of a larger study of feeding readiness participated. DESIGN: A qualitative, descriptive approach was used to explore mothers' experiences in feeding their preterm infants after hospital discharge. METHODS: A convenience sample of mothers of preterm infants were interviewed 2 to 3 weeks after hospital discharge. Data were generated by semi-structured interview and analyzed by searching for thematic patterns in the data. Mothers were asked to describe their experiences feeding their infants, their perceptions of how their infants' feeding ability had changed since discharge, and the meanings they gave to these changes. The interviews were audiotaped and transcribed. Agreement of themes between the investigators was achieved. MAIN OUTCOME MEASURES: Three themes emerged from the interviews: interpreting infant behaviors, managing the feeding process, and realizing knowledge gaps. PRINCIPAL RESULTS: Mothers struggle with infant feeding in the first few weeks after discharge and experience a period of transition before comfort develops. CONCLUSIONS: Nursing interventions should include anticipatory guidance to mothers about feeding their infants after discharge and more concrete information regarding infant cues of hunger and satiation. Follow-up visits after discharge should include a review of the current feeding regimen, information regarding feeding progression, and reinforcement about changing infant behaviors as the preterm infant approaches 40 weeks postmenstrual age. (+info)
Prenatal cocaine use and maternal depression: effects on infant neurobehavior.
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OBJECTIVE: The present study examined the impact of both perinatal maternal depression and cocaine use on infant neurobehavior at 1 month of age in a large, multi-site study. METHODS: Infant neurobehavior was examined in 1053 infants at 1 month of age using the NICU Network Neurobehavioral Scale (NNNS). Mothers were interviewed using The Addiction Severity Index to determine present and past psychiatric history. Four groups were derived from the total sample: 385 prenatally cocaine-exposed infants, 76 whose mothers reported current postpartum depression (DEP/COC) and 309 without current postpartum depression (nonDEP/COC); 668 infants were not exposed to cocaine, 104 whose mothers reported current postpartum depression (DEP/nonCOC), 564 without current postpartum depression (nonDEP/nonCOC). A 2x2 Analysis of Covariance was used with covariates (birthweight, maternal age, SES, nicotine, alcohol, and research site) to examine infant neurobehavior in these four conditions. Secondary analyses were conducted to examine the effects of amount and timing of prenatal cocaine exposure. RESULTS: DEP group by COC exposure status interactions were significant; there was only a DEP effect in the nonCOC infants. Infants in the nonCOC/DEP group had poorer self-regulation and more stress signs, excitability, and arousal than infants in the other groups. CONCLUSIONS: Postpartum maternal depression has negative effects on infant neurobehavior at 1 month of age. Prenatal cocaine exposure may serve to suppress or buffer the effects of postpartum depression on infant neurobehavior. Maternal mood could explain some of the inconsistencies found in the prenatal cocaine exposure literature. (+info)
Initial validation of the Behavioral Indicators of Infant Pain (BIIP).
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Accurate pain assessment in preterm infants in the neonatal intensive care unit (NICU) is complex. Infants who are born at early gestational ages (GA), and who have had greater early pain exposure, have dampened facial responses which may lead to under-treatment. Since behavioral and physiological responses to pain in infants are often dissociated, using multidimensional scales which combine these indicators into a single score may limit our ability to determine the effects of interventions on each system. Our aim was to design a unidimensional scale which would combine the relatively most specific, individual, behavioral indicators for assessing acute pain in this population. The Behavioral Indicators of Infant Pain (BIIP) combines sleep/wake states, 5 facial actions and 2 hand actions. Ninety-two infants born between 23 and 32 weeks GA were assessed during 3, 1 min Phases of blood collection. Outcome measures included changes in BIIP and in Neonatal Infant Pain Scale (NIPS) scores coded in real time from continuous bedside video recordings; changes in heart rate (HR) were obtained using custom physiological processing software. Scores on the BIIP changed significantly across Phases of blood collection (p<0.01). Internal consistency (0.82) and inter-rater reliability (0.80-0.92) were high. Correlations between the BIIP and NIPS were modest (r=0.64, p<0.01) as were correlations between the BIIP and mean heart rate (r=0.45, p<0.01). In this initial study, the BIIP has been shown to be a reliable, valid scale for assessing acute pain in preterm infants in the NICU. (+info)
Depressed mothers' newborns show less discrimination of other newborns' cry sounds.
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Newborns' crying in response to the cry of another newborn has been called an empathetic response. The purpose of this study was to determine whether newborns of depressed mothers showed the same response. Newborns of depressed and non-depressed mothers were presented with cry sounds of themselves or other infants, and their sucking and heart rate were recorded. The newborns of non-depressed mothers responded to the cry sounds of other infants with reduced sucking and decreased heart rate. In contrast, the newborns of depressed mothers did not show a change in their sucking or heart rate to the cry sounds of other infants. This lesser attentiveness/responsiveness to other infants' cry sounds may predict their later lack of empathy. (+info)