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The neurologic and adaptive capacity score is not a reliable method of newborn evaluation.

BACKGROUND: The Neurologic and Adaptive Capacity Score (NACS) is a multi-item scale that was published in 1982 to measure the effects of intrapartum drugs on the neonate. Although this scoring system has been widely used in obstetric anesthesia research, studies confirming its reliability have not been published. The purpose of this study was to assess the reliability of the NACS. METHODS: Two teams of observers were trained to perform the NACS on healthy, term neonates born in the vertex presentation. Two examinations were performed on each neonate within the first 2.5 h of life. Simultaneous (or "split-half") reliability was assessed using the alpha coefficient. Test-retest reliability was assessed using the intraclass correlation coefficient. The test was considered to be reliable if a was greater than 0.7 and the intraclass correlation coefficient was greater than 0.6. RESULTS: Two hundred babies were studied. The a was 0.47 and the intraclass correlation coefficient was 0.38 (95% confidence interval, 0.24-0.52). CONCLUSIONS: The NACS had poor reliability both on simultaneous testing and in the test-retest situation when used to evaluate term, healthy neonates. The authors suggest that other measures need to be developed to evaluate the effect of intrapartum drug administration in the neonate. Health measurement scales should undergo rigorous assessment for reliability and validity before they are used in clinical practice or for research purposes.

Adult↗

What is known about infant colic?

The ancient Greeks were the first to mention infant colic in recorded history; yet in 2002, the cause of infant colic is still unknown. Review of the infant colic literature suggests there are at least five possible explanations-cow's milk/soy protein allergy or intolerance; immature gastrointestinal system; immature central nervous system; difficult infant temperament; and parent-infant interaction problems consisting of either the transfer of parental anxiety to the infant or the inability of the infant to give clear cues about needs to the caregiver. It is likely the cause of infant colic is multifactorial because it has proven to be so elusive. One or more of the above explanations (or as yet an undiscovered explanation) is likely to play a role in the development of colic in a given infant. Determining the most probable explanation for each infant and then selecting interventions based on this explanation is likely to be more successful in preventing or decreasing the length or frequency of episodes than the various trial-and-error approaches to treatment currently recommended by healthcare providers. Infant colic is an important clinical problem that is amenable to nursing intervention.

Age of Onset↗

Premature Infant Pain Profile: development and initial validation.

OBJECTIVE: Inadequate assessment of pain in premature infants is a persistent clinical problem. The objective of this research was to develop and validate a measure for assessing pain in premature infants that could be used by both clinicians and researchers. DESIGN: The Premature Infant Pain Profile (PIPP) was developed and validated using a prospective and retrospective design. Indicators of pain were identified from clinical experts and the literature. Indicators were retrospectively tested using four existing data sets. PATIENTS AND SETTINGS: Infants of varying gestational ages undergoing different painful procedures from three different settings were utilized to develop and validate the measure. METHODS AND RESULTS: The largest data set (n = 124) was used to develop the PIPP. The development process included determining the factor structure of the data, developing indicators and indicator scales and establishing internal consistency. The remaining three data sets were utilized to establish beginning construct validity. CONCLUSIONS: The PIPP is a newly developed pain assessment measure for premature infants with beginning content and construct validity. The practicality and feasibility for using the PIPP in clinical practice will be determined in prospective research in the clinical setting.

Gestational Age↗

Toward establishing procedural, criterion, and discriminant validity for PTSD in early childhood.

OBJECTIVE: To explore several key aspects of the diagnosis and assessment for posttraumatic stress disorder (PTSD) in infants and young children. METHOD: Fifteen traumatized, clinic-referred children, and a comparison sample of 12 at-risk children, all younger than 48 months of age, were assessed with a standardized procedure and a semistructured diagnostic interview. The assessments were videotaped and reviewed by two blind raters for scoring DSM-IV PTSD criteria and an alternative set of PTSD criteria for young children. Raters were debriefed and consensus ratings were used to make best-estimate diagnoses. RESULTS: The investigation of procedural validity showed that 12% of the diagnostic criteria present in these children could be detected by a clinician through direct observation or interaction with the children. The remainder of criteria were apparent only through caregiver report. Problematic aspects of parental reporting were most evident for the avoidance/numbing of responsiveness criteria. The traumatized subjects showed significantly more alternative criteria of PTSD than DSM-IV criteria of PTSD. The main sources of rater disagreement are described. CONCLUSIONS: Additional sources of information would complement the multidimensional assessment of PTSD in young children. The set of alternative criteria appears to show greater criterion validity than the DSM-IV criteria.

Child, Preschool↗

Infant massage as a component of developmental care: past, present, and future.

Infant massage has been practiced for centuries by segments on the continents of Africa and South America and in the Far East. Infant massage is a relatively new modality in North America. Numerous studies support its use in preterm infants, who have exhibited decreased stress levels, increased weight gain, and improved motor function when compared with non-massaged controls. Research has recently turned to the benefits of massage in the cocaine-exposed population and in those with human immunodeficiency virus. Massage in ill preterms has been targeted for clinical testing.

Child Development↗

Can neurobehavioral examination predict the presence of cerebral injury in the very low birth weight infant?

This study examined in a regional cohort of 66 term age very low birth weight infants, the relationship between qualitative magnetic resonance imaging (MRI) measures of cerebral white and gray matter abnormalities and infant neurobehavioral functioning assessed by structured neurological examination. The diagnostic utility of the Dubowitz neonatal neurological examination in identifying children with severe cerebral abnormalities was also evaluated. Examination results revealed the presence of high rates of neurological abnormality, with 60% of infants scoring in the suboptimal range relative to infants born full term. Linear associations were found between the severity of structural cerebral abnormality on MRI and the quality of clinically rated infant neurobehavioral functioning, with increasing abnormalities being significantly associated with poorer neurological functioning. In particular, white matter abnormalities were significantly associated with lower mean tone and tone pattern scores and a tendency toward lower mean reflex scores. Gray matter abnormalities were significantly associated with lower tone and tone pattern scores and a tendency toward lower spontaneous movements and orientation/behavior scores. Finally, the Dubowitz Neonatal Neurological Examination was found to have relatively good sensitivity (88%; negative predictive value, 92%) but poor specificity (46%; positive predictive value, 34%) for identifying children with significant MRI abnormalities. Implications of these findings for the neurological evaluation of the very low birth weight infant are discussed.

Brain↗

The calming effect of a familiar odor on full-term newborns.

We assessed the effectiveness of an odor (familiar or unfamiliar) in soothing healthy full-term newborns undergoing a routine heel stick. Forty-four breast-fed newborns were randomly assigned to one of four groups: Before the heel stick, Group 1 was naturally familiarized with their mother's milk odor, Group 2 was familiarized with a vanilla smell, and Groups 3 and 4 did not receive any familiarization. During and after the heel stick, Group 1 was presented with their mother's milk odor, Group 2 was presented with the familiar vanilla, Group 3 was presented with an unfamiliar odor, and Group 4 was a control group. Infants' crying, grimacing, and head movements were analyzed before, during, and after the heel stick. Results show that infants who smelled a familiar odor (their mother's milk or vanilla) cried and grimaced significantly less during the recovery phase compared with the heel stick phase. Infants who were presented with an unfamiliar odor or no odor showed no significant changes during recovery. Moreover, infants who smelled their mother's milk exhibited significantly less motor agitation during the heel stick compared with the other groups. These findings indicate that smelling a familiar odor reduces agitation during the heel stick and diminishes distress after the procedure.

Female↗

Assessment of anxiety in young children.

Anxiety disorders are highly prevalent and disabling conditions that can be identified in young children. Observations of infant temperament and attachment relationships have shown that certain early infant behaviors can be linked to later anxiety disorders. Research involving play narrative stories, pictures, cartoons, and puppets has demonstrated preliminary validity for new assessment methods of young children. Preliminary studies also have been conducted with new questionnaires and diagnostic interviews. Additional research is needed to refine these methods and to develop new comprehensive measures that focus specifically on different aspects of anxiety in young children.

Anxiety↗

Quantifying motion in video recordings of neonatal seizures by robust motion trackers based on block motion models.

This paper introduces a methodology for the development of robust motion trackers for video based on block motion models. According to this methodology, the motion of a site between two successive frames is estimated by minimizing an error function defined in terms of the intensities at these frames. The proposed methodology is used to develop robust motion trackers that rely on fractional block motion models. The motion trackers developed in this paper are utilized to extract motor activity signals from video recordings of neonatal seizures. The experimental results reveal that the proposed motion trackers are more accurate and reliable than existing motion tracking methods relying on pure translation and affine block motion models.

Algorithms↗

Relationships among infant sleep patterns, maternal fatigue, and development of depressive symptomatology.

BACKGROUND: Postpartum depression is a serious condition for women after childbirth. Although its etiology is unclear, one potentially important predictive variable that has received little attention is maternal sleep deprivation. The objective of this study was to examine relationships among infant sleep patterns, maternal fatigue, and the development of postpartum depression in women with no major depressive symptomatology at 1 week postpartum. METHODS: As part of a population-based postpartum depression study, 505 women who had an Edinburgh Postnatal Depression Scale (EPDS) score < 13 at 1 week postpartum completed questionnaires at 4 and 8 weeks postpartum. RESULTS: Mothers exhibiting major depressive symptomatology (EPDS > 12) at 4 and 8 weeks were significantly more likely to report that their baby cried often, be woken up 3 times or more between 10 pm and 6 am, have received less than 6 hours of sleep in a 24-hour period over the past week, indicate that their baby did not sleep well, and think that their baby's sleep pattern did not allow them to get a reasonable amount of sleep. Consistent with these findings, mothers with an EPDS score > 12 were significantly more likely to respond that they often felt tired. CONCLUSIONS: These results suggest that infant sleep patterns and maternal fatigue are strongly associated with a new onset of depressive symptoms in the postpartum period, and provide support for the development of postpartum depression preventive interventions designed to reduce sleep deprivation in the early weeks postpartum.

Adolescent↗