Background Parents’ stress resulting from hospitalization of their infant in the neonatal intensive care unit (NICU) produces emotional and behavioral responses. The National Institutes of Health–sponsored Patient Reported Outcomes Measurement Information System (PROMIS) offers a valid and efficient means of assessing parents’ responses. Objective To examine the relationship of stress to anxiety, depression, fatigue, and sleep disruption among parents of infants hospitalized in the NICU. Methods Thirty parents completed the Parental Stressor Scale (PSS:NICU) containing subscales for NICU Sights and Sounds, Infant Behavior and Appearance, and Parental Role Alteration, and the PROMIS anxiety, depression, fatigue, and sleep disturbance short-form instruments. Results PSS total score was significantly correlated with anxiety (r = 0.61), depression (r = 0.36), and sleep disturbance (r = 0.60). Scores for NICU Sights and Sounds were not significantly correlated with parents’ outcomes; however, scores for Alteration in Parenting Role were correlated with all 4 outcomes, and scores for Infant Appearance were correlated with all except fatigue. Conclusion Stress experienced by parents of NICU infants is associated with a concerning constellation of physical and emotional outcomes comprising anxiety, depression, fatigue, and sleep disruption.
Neonates in the neonatal intensive care nursery experience multiple, painful, tissue-damaging procedures daily. Pain among neonates is often underestimated and untreated, producing untoward consequences. A literature review established strong evidence supporting the use of sucrose as an analgesic for minor procedural pain among neonates. A review of unit practices and nurses' experiential evidence initiated the production of a standardized protocol in our unit at the University of Washington Medical Center NICU in Seattle.Nursing practices surrounding sucrose use differed widely in dose, timing, and patient application. We carefully evaluated evidence documenting the effectiveness as well as the safety of sucrose administration and wrote a protocol and practice standards for our primarily premature patient population. This article describes the development and execution of a standardized, nurse-implemented, sucrose protocol to reduce procedural pain.
Continuous real-time brain function monitoring of preterm infants offers a novel way to evaluate neurological development in neonatal intensive care. Direct measurement of brain function is difficult and complicated by vulnerabilities of the preterm infant population. This study illustrates the feasibility of using noninvasive hydrogel electrodes with amplitude-integrated electroencephalography (aEEG) as a simplified brain monitor in preterm infants. This article presents a systematic exploration of factors influencing the accuracy of aEEG measurement, especially skin preparation procedures and skin condition after electrode placement. The authors conducted aEEG recordings on 16 medically stable preterm infants at 31-36 weeks postmenstrual age in the neonatal intensive care unit between feedings and caregiving for approximately 3 hr. The authors systematically performed several strategies to improve electrode placement procedures and reduce skin impedance, including (a) examination of possible influences of environmental electrical equipment, (b) comparison of different hydrogel electrode types, (c) modification of skin preparation procedures, and (d) assessment of impacts of different skin conditions. The authors achieved improvements in the impedance value, length of uninterrupted recording, and percentage of the recording duration with measured impedance <20 kΩ (recommended acceptable limit). There was no report of skin irritation during or after the recording. The aEEG measurement at the bedside using hydrogel electrodes is noninvasive and feasible for reliable brain monitoring in preterm infants. This study demonstrated the importance of establishing systematic methods to ensure the accuracy and feasibility of physiologic measurements for nurse researchers.
Background Amplitude-integrated EEG (aEEG) is increasingly used in research with premature infants; however, comprehensive interpretation is limited by the lack of simple approaches for reliably quantifying and summarizing the data. Aim Explore operational measures for quantifying continuity and discontinuity, measured by aEEG as components of infant brain function. Study design An exploratory naturalistic study of neonates while in the Neonatal Intensive Care Unit (NICU). One single channel aEEG recording per infant was obtained without disruption of nursing care practices. Subjects 24 infants with mean postmenstrual age (PMA) 33.11 weeks (SD 3.49), average age 2.62 weeks (SD 1.35) and mean birth weights 1.39kg (SD 0.73). Outcome Measures Quantification of continuity and discontinuity included bandwidth and lower border of aEEG, calculated proportion of time with signal amplitude below 10μV, and peak counts. Variance of bandwidth and lower border denoted cycling. Results Group mean bandwidth was 52.98 μV (SD 27.62). Median peak count in 60 second epochs averaged 3.63 (SD 1.74), while median proportion <10 μV was 22% (SD 0.20). The group mean of lower border within-subject aggregated medians was 6.20μV (SD 2.13). Group mean lower border standard deviation was 3.96μV. Proportion <10μV showed a strong negative correlation with the natural log of the lower border median (r = −0.906, p<.0001) after controlling for PMA. Conclusions This study introduces a novel quantification process by counting peaks and proportion of time <10 μV. Expanded definitions and analytic techniques will serve to strengthen the application of existing scoring systems for use in naturalistic research settings and clinical practice.
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