Background:Although oxygen is the most widely used therapeutic agent in neonatal care, optimal oxygen management remains uncertain.Purpose:We reviewed oxygen physiology and balance, key studies evaluating oxygen saturation targets, and strategies for oxygen use in the neonatal intensive care unit.Results:Oxygen is a potent vasodilator involved in the transition at birth to breathing. Supplemental oxygen is administered to reverse/prevent hypoxia; however, excessive oxygen can be toxic owing to the formation of reactive oxygen species. Current neonatal resuscitation guidelines recommend using room air for term infants in need of support, with titration to achieve oxygen saturation levels similar to uncompromised term infants. In premature infants, targeting a higher oxygen saturation range (eg, 91%-95%) may be safer than targeting a lower range (eg, 85%-89%), but more evidence is needed. In combined analyses, lower oxygen saturation levels increased mortality, suggesting that the higher target may be safer, but higher targets are associated with an increased risk of developing disorders of oxidative stress.Implications for Practice:Need for supplemental oxygen should be assessed according to the American Heart Association guidelines. If appropriate, oxygen should be administered using room air, with the goal of preventing hypoxia and avoiding hyperoxia. Use of oximeter alarms may help achieve this goal. Pulmonary vasodilators may improve oxygenation and reduce supplemental oxygen requirements.Implications for Research:Implementation of wider target ranges for oxygen saturation may be more practical and lead to improved outcomes; however, controlled trials are necessary to determine the impact on mortality and disability.
Given the current NNP shortage, an increase in the supply of NNPs for the workforce is imperative. Current enrollment in NNP academic programs does not appear to be meeting the demand. Exploring the factors that influence enrollment in NNP programs from the perspective of potential NNP students is the first step towards increasing the supply of NNPs. The majority of participants were not interested in becoming an NNP for a variety of reasons. Negative perceptions of the NNP role were identified. Solutions posed from these results may provide scientifically sound solutions to help ease the shortage of NNPs. The findings of this naturalistic inquiry may be used to develop an instrument to measure interest in the NNP role.
ImportanceThe Colonoscopy Versus Fecal Immunochemical Test in Reducing Mortality From Colorectal Cancer (CONFIRM) randomized clinical trial sought to recruit 50 000 adults into a study comparing colorectal cancer (CRC) mortality outcomes after randomization to either an annual fecal immunochemical test (FIT) or colonoscopy.ObjectiveTo (1) describe study participant characteristics and (2) examine who declined participation because of a preference for colonoscopy or stool testing (ie, fecal occult blood test [FOBT]/FIT) and assess that preference’s association with geographic and temporal factors.Design, Setting, and ParticipantsThis cross-sectional study within CONFIRM, which completed enrollment through 46 Department of Veterans Affairs medical centers between May 22, 2012, and December 1, 2017, with follow-up planned through 2028, comprised veterans aged 50 to 75 years with an average CRC risk and due for screening. Data were analyzed between March 7 and December 5, 2022.ExposureCase report forms were used to capture enrolled participant data and reasons for declining participation among otherwise eligible individuals.Main Outcomes and MeasuresDescriptive statistics were used to characterize the cohort overall and by intervention. Among individuals declining participation, logistic regression was used to compare preference for FOBT/FIT or colonoscopy by recruitment region and year.ResultsA total of 50 126 participants were recruited (mean [SD] age, 59.1 [6.9] years; 46 618 [93.0%] male and 3508 [7.0%] female). The cohort was racially and ethnically diverse, with 748 (1.5%) identifying as Asian, 12 021 (24.0%) as Black, 415 (0.8%) as Native American or Alaska Native, 34 629 (69.1%) as White, and 1877 (3.7%) as other race, including multiracial; and 5734 (11.4%) as having Hispanic ethnicity. Of the 11 109 eligible individuals who declined participation (18.0%), 4824 (43.4%) declined due to a stated preference for a specific screening test, with FOBT/FIT being the most preferred method (2820 [58.5%]) vs colonoscopy (1958 [40.6%]; P < .001) or other screening tests (46 [1.0%] P < .001). Preference for FOBT/FIT was strongest in the West (963 of 1472 [65.4%]) and modest elsewhere, ranging from 199 of 371 (53.6%) in the Northeast to 884 of 1543 (57.3%) in the Midwest (P = .001). Adjusting for region, the preference for FOBT/FIT increased by 19% per recruitment year (odds ratio, 1.19; 95% CI, 1.14-1.25).Conclusions and RelevanceIn this cross-sectional analysis of veterans choosing nonenrollment in the CONFIRM study, those who declined participation more often preferred FOBT or FIT over colonoscopy. This preference increased over time and was strongest in the western US and may provide insight into trends in CRC screening preferences.
The Management of Hypotension in the Very-Low-Birth-Weight Infant: Guideline for Practice, developed by Lyn Vargo, PhD, RN, NNP-BC, and Istvan Seri, MD, PhD, in 2011 under the auspices of the National Association of Neonatal Nurse Practitioners, focuses on the challenging topic of clinical management of systemic hypotension in the very low-birth-weight (VLBW) infant during the first 3 days of postnatal life. The recommendations and rationale in the excerpt below from the complete online publication are based on the best evidence available through both neonatal research and consultation of experts on the subject. They suggest a conservative, evidence-based treatment approach for the management of hypotension in the VLBW infant during the first 3 days of postnatal life that is logical, safe, and physiologically sound. The insufficient fund of knowledge on transitional cardiovascular physiology in general and pathophysiology in particular makes establishment of strict guidelines on the treatment of hypotension in VLBW neonates impossible. What becomes clear when presenting the evidence is how much more we need to know. Readers are strongly encouraged to refer to the complete text of the guideline, which has been endorsed by the American Academy of Pediatrics, for further understanding of this complex topic. The guideline is available free of charge at www.nann.org (click on Guidelines in the Education section).
Background:Excessive supplemental oxygen exposure in the neonatal intensive care unit (NICU) can be associated with oxygen-related toxicities, which can lead to negative clinical consequences. Use of inhaled nitric oxide (iNO) can be a successful strategy for avoiding hyperoxia in the NICU. iNO selectively produces pulmonary vasodilation and has been shown to improve oxygenation parameters across the spectrum of disease severity, from mild to very severe, in neonates with hypoxic respiratory failure associated with persistent pulmonary hypertension of the newborn.Purpose:An online survey was conducted among members of the National Association of Neonatal Nurse Practitioners to gain insight into the level of understanding and knowledge among neonatal nurse practitioners (NNPs) about optimizing supplemental oxygen exposure and the use of iNO in the NICU setting.Results:Of 937 NNP respondents, 51% reported that their healthcare team typically waits until the fraction of inspired oxygen level is 0.9 or more before adding iNO in patients not responding to oxygen ventilation alone. Among respondents with 1 or more iNO-treated patients per month, only 35% reported they know the oxygenation index level at which iNO should be initiated. Less than 20% of NNPs reported perceived benefits associated with early initiation of iNO for preventing progression to use of extracorporeal membrane oxygenation or reducing the length of hospital stay, and about one-third of respondents reported they believe early iNO use minimizes hyperoxia.Implications for Practice:More education is needed for NNPs regarding the negative effects of oxidative stress in neonates.Implications for Research:Additional clinical trials investigating the most beneficial strategies for avoiding neonatal hyperoxia are warranted.
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