








key: cord-266405-l102f1e3
authors: Buckley, Laura; Berta, Whitney; Cleverley, Kristin; Medeiros, Christina; Widger, Kimberley
title: What is known about paediatric nurse burnout: a scoping review
date: 2020-02-11
journal: Hum Resour Health
DOI: 10.1186/s12960-020-0451-8
sha: 
doc_id: 266405
cord_uid: l102f1e3

Burnout in healthcare providers has impacts at the level of the individual provider, patient, and organization. While there is a substantial body of literature on burnout in healthcare providers, burnout in pediatric nurses has received less attention. This subpopulation may be unique from adult care nurses because of the specialized nature of providing care to children who are typically seen as a vulnerable population, the high potential for empathetic engagement, and the inherent complexities in the relationships with families. Thus, the aim of this scoping review was to investigate, among pediatric nurses, (i) the prevalence and/or degree of burnout, (ii) the factors related to burnout, (iii) the outcomes of burnout, and (iv) the interventions that have been applied to prevent and/or mitigate burnout. This scoping review was performed according to the PRISMA Guidelines Scoping Review Extension. CINAHL, EMBASE, MEDLINE, PsycINFO, ASSIA, and The Cochrane Library were searched on 3 November 2018 to identify relevant quantitative, qualitative, and mixed-method studies on pediatric nurse burnout. Our search identified 78 studies for inclusion in the analysis. Across the included studies, burnout was prevalent in pediatric nurses. A number of factors were identified as impacting burnout including nurse demographics, work environment, and work attitudes. Similarly, a number of outcomes of burnout were identified including nurse retention, nurse well-being, patient safety, and patient-family satisfaction. Unfortunately, there was little evidence of effective interventions to address pediatric nurse burnout. Given the prevalence and impact of burnout on a variety of important outcomes, it is imperative that nursing schools, nursing management, healthcare organizations, and nursing professional associations work to develop and test the interventions to address key attitudinal and environmental factors that are most relevant to pediatric nurses.

Burnout has been a widely studied topic of interest over the last 40 years, with significant resources devoted toward investigating its causes, impacts, and strategies for mitigation [1] . Burnout is a work outcome, defined by prolonged occupational stress in an individual that presents as emotional exhaustion, depersonalization, and diminished personal accomplishment [2] .

The study of burnout in healthcare professionals is important as it has impacts at the level of the individual provider [3] [4] [5] , the patient [6] [7] [8] [9] , and the organization [5, [10] [11] [12] . As nurses make up the largest group of healthcare professionals, there have been a number of studies that have explored contributing factors [13] and interventions for their burnout [14] . Pediatric nurses are a lesser-studied population, perhaps due to the relatively small number of pediatric nurses compared to general service nurses and the broader population of healthcare professionals. Burnout in pediatric nurses may be unique from adult care nurses because of the specialized nature of providing care to children who are typically seen as a vulnerable population, the high potential for empathetic engagement, and the inherent complexities in the relationships with families [15, 16] . Only one literature review could be located on the topic of pediatric nurse burnout; it mainly focused on burnout prevalence, which was found to be moderate to high [17] . Further synthesis of the literature in other domains of the topic is needed to explore factors associated with pediatric nurse burnout, the associated outcomes, and interventions.

The purpose of this scoping review is to explore what is known about pediatric nurse burnout to guide future research on this highly specialized population and, ultimately, improve both pediatric nurse and patient wellbeing. More specifically, the aim of this scoping review was to investigate, among pediatric nurses, (i) the prevalence and/or degree of burnout, (ii) the factors related to burnout, (iii) the outcomes of burnout, and (iv) the interventions that have been applied to prevent and/or mitigate burnout.

This scoping review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines scoping review extension [18] . The protocol was registered on Open Science Framework on 25 March 2019 and can be accessed at https://osf.io/5xrkg/.

In consultation with an experienced librarian, the following electronic databases were searched on 3 November 2018 without limitation to a publication date range in order to maximize inclusion: The Cochrane Library, CINAHL, EMBASE, MEDLINE, PsycINFO, and ASSIA. All electronic database search strategies used in this review can be found in Appendix A. The term "pediatrics" was not part of the electronic database search to avoid inadvertently excluding studies that contained pediatric nurses as a non-primary subject group. The selected articles from the electronic database search were screened for inclusion of the pediatric nurse population. For the purposes of this review, the pediatric patient population is defined as newborn to age 21 as defined by the American Academy of Pediatrics, acknowledging that this age range may be slightly extended based on the country and patient needs [19] .

All qualitative, quantitative, or mixed-methods studies published in English that examined the prevalence and/ or degree of burnout in pediatric nurses using selfidentification or self-report assessment tools were included. Commentaries, letters, and editorials were excluded as these are not peer-reviewed and often referred to colloquial definitions, not the clinical definition of burnout of interest in this scoping review. Dissertations were excluded, but their corresponding publications were screened for inclusion. Conference abstracts were excluded as they are often inconsistent with their corresponding full reports [20] . Systematic or scoping reviews and meta-synthesis were excluded, but references were hand-screened for suitable studies.

All citations retrieved from the databases were uploaded into Endnote with duplicates removed as per protocol [21] . The remaining citations were uploaded into Covidence for review by the research team (LB, CM, KW). Titles and abstracts were independently reviewed against the selection criteria in a blinded process by two reviewers (LB and CM). The remaining citations were then reviewed as full-text articles for inclusion against the selection criteria in a blinded process by two reviewers (LB and CM). Disagreements were resolved by a third reviewer (KW).

Data were extracted from included articles and entered into a Microsoft Excel spreadsheet. Extraction was performed by one researcher (LB). The following data items were extracted: title, journal, authors, year of publication, country of publication, sample size, study aim, study design, tool used to measure burnout, burnout prevalence and scores, factors that contribute to the development of burnout in pediatric nurses, factors that prevent or mitigate burnout in pediatric nurses, the impact of burnout in pediatric nurses, and interventions for pediatric nurse burnout.

A quantitative synthesis specific to the prevalence and degree of burnout was completed based on the included articles that reported raw scores for any of the Maslach Burnout Inventory (MBI) subscales. A mean score was calculated by hand across studies for each subscale, by totaling the raw scores and dividing by the total number of studies that included a raw score for that subscale. The resulting mean was also categorized as low, moderate, or high burnout based on published cutoff scores [22] . Other data were synthesized qualitatively to map current evidence available to address the remaining study aims. Aims ii and iii were analyzed using directed content analysis [23] following the themes outlined by Berta et al. [24] , work environment, work attitudes, and work outcomes. Aim iv data was synthesized by grouping together similar interventions and descriptively summarizing the interventions that were effective in reducing burnout. Given that the overall purpose of the review was to explore the breadth of what is currently known about burnout in pediatric nurses, a quality assessment of individual studies was not conducted [18] .

Through the initial database search, 16 909 possible papers were identified. After deduplication, 8629 titles/ abstracts were screened and 1206 articles were assessed for eligibility at the level of full-text screening. After applying the inclusion and exclusion criteria, a total of 78 studies [16, were deemed relevant and retained for analysis (Fig. 1) . The characteristics of included studies are provided in Table 1 . Publication dates ranged from 1981 to 2018, with the majority published between 2009 and 2017. The number of pediatric nurses who participated as either a primary or sub-sample ranged from five to 3710. The most common study design was cross-sectional (n = 60), with 10 studies using multi-or mixed methods, seven using an interventional design, and one each using case-control, exploratory prospective, and longitudinal designs. Only 45 of the 78 studies reviewed used exclusive samples of pediatric nurses; the remaining studies only included pediatric nurses as a subpopulation of a larger sample. The results in this review are reported for pediatric nurse samples and subsamples only. Almost half (46%) of the included studies were conducted in the USA, followed by Canada (n = 7), China (n = 5), Turkey (n = 3), Brazil (n = 3), Taiwan (n = 2), Australia (n = 2), and Switzerland (n = 2), plus 18 other countries where only a study was conducted. Out of the 78 studies included, 53 (68%) used some form (either complete or abbreviated) of the MBI to measure burnout (see Table 1 ).

Although all of the included studies measured burnout using a self-report assessment tool or binary selfidentification, only 65 reported burnout scores for a sample of pediatric nurses ( Table 2 ). In total, 53 studies used the MBI, 34 reported on the Emotional Exhaustion subscale with 24 reporting raw scores [25, 27, 29, 39, 42, [22] . The individual scores from the MBI and other measurement tools are reported for each study in Table 2 .

Of the included studies, 47 (60%) addressed factors associated with pediatric nurse burnout (Table 3) . Factors related to pediatric nurse burnout were classified into the following categories: nurse demographics, work The average score on the burnout subscale is 50, which is higher than the 50th percentile ranking in this current study (slightly lower than average levels of burnout). environment, work attitudes, work outcomes, and burnout interventions.

Burnout was found to be inversely associated with age; higher burnout was also associated with low/moderate level of experience (5-10 years) [26, 32, 46, 47, 58, 71, 85, 88] . A lack of university-level education or lower self-reported levels of clinical competency were also associated with higher levels of burnout [57, 90] . Being in a nursing supervisory position had ambiguous results on impact on burnout; in some studies, holding supervisory positions correlated with higher reports of burnout while in others, the opposite effects were found [29, 33] . Nurses identifying as not being White or Asian/Pacific Islander ethnicity/race scored significantly lower on the MBI subscale of Personal Accomplishment than respondents identifying as White and Asian/Pacific Islander, and Asian/Pacific Islanders scored lower on Emotional Exhaustion than those identifying as White [36] . High neuroticism and low agreeableness [31] were both associated with higher burnout. Finally, being married had mixed results on impact on burnout, whereas in some studies, being married correlated negatively with burnout, and in others, it correlated positively [26, 36, 101] .

The work environment is defined by the conditions in which nurses work; it influences work attitudes and, in turn, work outcomes [103] . Burnout was found to be high in certain high-acuity pediatric units including emergency, medical/surgical, surgery, pediatric intensive care unit (PICU), and neonatal intensive care unit (NICU) [26, 32, 35, 36, 76, 88] . Davis et al. [38] found that adult oncology nurses had higher personal accomplishment than pediatric oncology nurses while Neumann et al. [74] found nurses who care for both pediatric and adult patients had lower emotional exhaustion than those who cared for adult patents only. Conversely, Sun et al. [94] found that nurses who worked in adult obstetrics and gynecology units had more burnout than nurses who worked in pediatric units; however, Ohue et al. [78] reported the inverse. Working in hematology/oncology [88] and unit-level factors such as workload [65, 85] , number of assigned patients [26] , increased number of admissions, understaffing, and shifts > 8 h were associated with increased burnout [51, 92, 95, 96] . Aytekin et al. [29] found working longer years in the NICU was associated with lower levels of personal accomplishment. Brusch et al. [36] found that nurses working exclusively day shifts had higher levels of depersonalization than those working night shifts or a mix of days and nights. Favrod et al. [45] found NICU nurses reported more traumatic stressors in their working environment. Pediatric nursing workplaces with a strict structure of rules and regulations [33] or nurse leaders who valued structure over staff considerations [41] were found to have nurses with higher burnout. Nurses who had higher perceived organizational support had lower burnout [39] . Higher burnout was generally associated with systems issues such as unreasonable policies, staffing shortages, insurance frustrations, high volumes of paperwork [65] , lack of nursing supplies [36] , and lack of regular staff meetings [56] . The relationship between resources and facets of burnout was mixed: Rochefort and Clarke [83] found a negative relationship between nurses' emotional exhaustion and their rating of the adequacy of the resources available to them, while Gallagher and Gormley [46] found that even nurses who reported that Higher EE associated with nurses working most frequently in the PICU relative to those working most frequently in the NICU, those who found communication with nurses more stressful, and having a lack of necessary nursing supplies Lower EE associated with being married or in a domestic partnership relative to respondents who were unmarried and not in a domestic partnership, identifying as Asian/Pacific Islander relative to respondents identifying as White

Higher DP associated with respondents working day shifts relative to those working the night shift or a mix of day and night shifts, nurses working most frequently in the PICU relative to those working most frequently in the NICU, greater endorsement of stress related to communication among nurses, the experience level of colleagues, staffing, and stress associated with the patient population Lower DP associated with respondents working in the NICU relative to those working frequently in the PICU and respondents who reported being married or in a domestic partnership

Higher PA reported in individuals identifying as White and individuals identifying as Asian/Pacific Islander relative to individuals identifying as others Lower PA found in nurses who found their own lack of knowledge, skills and/or confidence in themselves stressful and respondents identifying as being of another ethnicity/race relative to respondents identifying as White

Czaja et al. [37] 173 Lack of burnout or PTSD associated with nurses who generally felt more positively about their work environment, with more confidence in their physician and nurse collogues as well as feeling a part of a team Davis et al. [38] 15

Higher PA associated with working in adult oncology over pediatric oncology nurses Dos Santos Alves et al. [39] 267 Lower burnout associated with nurses with a perception of having greater autonomy, greater control, good relationships at work, and organizational support, and are more satisfied with the work and the safety climate is assessed as more positive Duxbury et al. [41] 283 Higher burnout found in staff nurses who have a head nurse with a leadership style of high structure and low consideration

Estabrooks et al. [43] 844

Higher EE associated with lower job satisfaction Favrod et al. [45] 91 Similar burnout levels in NICU nurses and midwives Lower DP associated with elf-compassion at time 1 and time 2, but not at time 3

Higher PA associated with self-compassion at all three time points

All subscales of burnout were correlated with job satisfaction at time 1, but not at time 2 and time 3

Lower burnout associated with more years of experience, job satisfaction had a significant positive correlation with stress and burnout only at time 1

Holden et al. [51] 347

Higher burnout associated with unit-level staffing, task-level external mental workload, and job dissatisfaction Burnout and job dissatisfaction were not significantly associated with the likelihood of medication error

Klein et al. [56] 302 Nurses rated lack of regular staff meetings, dissatisfaction with the quality of the decision-making process, and providing futile treatment as significantly more stressful than physicians did Factors associated with triggering burnout: seeing too many painful procedures done to children, seeing too much sadness, seeing too much death, angry, yelling families, and non-compliant patients/ families Systems triggers: unreasonable policies, staffing shortages, insurance frustrations, paperwork, need to justify their position, and general healthcare system dysfunction Role-specific triggers: lack of support, feeling you are on your own, less respondents cited unclear expectations, change in role and lack of challenge Work overload: excessive demands of work

Factors associated with coping with burnout: short-term-self-care (exercise, meditation, journaling), fun/humor, non-work relationships; long-term personal coping strategies-developing a personal philosophy and faith and engaging in self-analysis Short-term work-related coping strategies: developing supportive and honest professional relationships, need for their work to be congruent with their professional philosophy and interest

Messmer et al. [67] 33 Higher burnout associated with lower satisfaction and position

Lower burnout associated with nurses who would recommend their career to others relative to those who would recommend their career with reservation

Meyer et al. [16] 251

Higher burnout predicated by current stress exposure after controlling for pre-existing stress exposure

Morrison Wylde et al. [70] 95 Lower burnout associated with "acting with awareness" at time 2

Mahmood [71] 55

Higher EE associated with lack of access to work information Lower EE associated with nurses increased age, length of professional experience, and experience on the support systems were in place and felt supported still were emotionally exhausted. The lack of access to work information and research information was consistently associated with higher levels of burnout [71, 91] , and lower burnout was associated with increased communication [33, 36] and better work relationships [39] . Factors impacting increased pediatric nurse burnout were related to the role of the nurse in patient care Higher PA found in nurses in the pediatrics and outpatient departments relative to those of the nurses in the obstetrics and gynecology departments Pagel and Wittmann [79] 74

Higher burnout related to higher reporting of the variable "percentage of children on a unit with social of behavioral problems"

Clarke [83] 339 Lower EE associated with higher ratings of nurse staffing and resource adequacy

Higher EE associated with greater time on the unit (moderate effect), nurses concern that current standards of care inhibit optimal pain management, negative views of the hospital environment (large effect), barriers to optimal pain management (moderate effect), lower self-efficacy (moderate effect), and moral distress (moderate effect)

Burnout associated with expressions of exhaustion, frustration, overburden of their workload, and the hopelessness in working with chronically ill pediatric patients, issues about self-efficacy regarding patient outcomes Sekol and Kim [88] 240 Higher burnout found in those with 5-9 years of experience working on the surgical unit Lower burnout associated with working on the hematolgy/oncology unit, nursing experience of > 20 years, and all levels of experience if working on the hematolgy/oncology unit activities such as decision-making/uncertainty around treatment [33, 39, 56, 76] , lack of role clarity, and unclear plan of care [65] . Other factors associated with the development of burnout were related to exposure to suffering, pain, sadness, and death [65] ; hopelessness [85] ; providing futile care [56] ; and overall moral distress [85] . Higher levels of burnout were found in nurses who cared for specific pediatric patient populations such as caring for children with cerebral palsy [97] , children with cystic fibrosis [59] , and babies with neonatal abstinence syndrome [73] . Another patient factor related to higher burnout involved behavioral issues from patients/families [65, 79] .

Work attitudes are factors that impact the positive or negative perceptions of one's work environment [104] .

Low self-compassion and low mindfulness [47] were associated with higher burnout. Co-occurring conditions with burnout such as depression [37, 63, 97] , anxiety [97] , and somatic work-related health problems [101] were correlated with greater burnout whereas positive psychosocial factors and coping strategies such as positive affect [30] , acting with awareness [70] , self-care, humor, reflection, non-work relationships, and a personal philosophy related to work were found to be associated with lower burnout [65] .

Nurses' perceived work stress was positively associated with burnout in several studies [16, 28, 63, 76, 77] . Meyer et al. [16] found that current stress exposure significantly predicted higher levels of burnout after controlling for pre-existing stress exposure, and Holden et al. [51] found that burnout was positively associated with mental workload. Oehler and Davidson [76] found Table 4 Burnout's relationship with other work outcomes in pediatric nurses Author(s) Number of pediatric nurses

Alves and Guirardello [27] 267

Higher EE associated with the outcome of a worse patient safety climate Aytekin et al. [29] 85

Higher burnout associated with the outcome of decreased quality of life in the nurse Czaja et al. [37] 173 Higher burnout and PTSD were found in nurses considering a change of career, more frequently screened positive for anxiety and depression, were more likely to respond negatively regarding their team members, teamwork, and impact of their work A large portion of nurses with both burnout and significant PTSD symptoms found their symptoms interfered with their work and personal lives Dos Santos Alves et al. [39] 267 Lower burnout associated with the outcome of positive assessments of the safety climate perceived workload made a significant contribution to feelings of burnout. Job satisfaction was also found to be negatively associated with burnout [26, 29, 39, 43, 47, 51, 67] .

Work outcomes refer to occupational performance factors that are influenced by work attitudes and the work environment [24] . Nine studies examined work outcomes associated with burnout including nurse retention, nurse well-being, patient safety, and patient-family satisfaction ( Table 4 ). An increase in burnout was associated with nurses considering a career change [37] , decreased quality of life [29] , tiredness [89] , and feeling negatively toward their teammates and the impact of their work [37] . Work-associated compassion fatigue [16, 66] , secondary traumatic stress [48, 58] , and posttraumatic stress disorder (PTSD) [37, 60, 70] were all found to be associated with pediatric nurse burnout. However, Li et al. [60] report that high group cohesion may prevent pediatric nurses from developing burnout from PTSD by protecting nurses from the impacts of negative outcomes. Nurse burnout was found to be negatively associated with the safety climate of the hospital in which they work [27, 39] and positively associated with higher infection rates when nurses were feeling overworked [96] . Moussa and Mahmood [71] found that as nurses' personal accomplishment increased, so did patients' mothers' satisfaction with meeting their child's care needs in the hospital.

Seven of the 78 studies included interventions to mitigate burnout (Table 5) . Interventions included coping workshops [42] , mindfulness activities [47, 68, 70] , workshops to improve knowledge/understanding of their patient population [81, 85] , and clinical supervision [50] .

Only three of the seven interventions studied provided varying positive impacts on burnout scores [42, 70, 85 ]. An in-person day-long retreat resulted in a significant improvement in emotional exhaustion for pediatric nurses. The intervention involved didactic and hands-on trauma, adaptive grief, and coping strategies; half of the subjects were also randomized to a booster session 6 months later [42] . Another intervention involved a 90min interactive module on clinical skills surrounding the management of pediatric pain and resulted in a significant decrease in emotional exhaustion and depersonalization [85] . Finally, the third study of smartphone-delivered mindfulness interventions showed a marginal decrease in burnout compared to nurses receiving traditional mindfulness interventions [70] .

To our knowledge, this is the first scoping review that focuses on what is known about pediatric nurse burnout. Burnout was measured with a variety of instruments and interpretations, thereby making score comparisons a challenge. Even in those studies that used the MBI, the most commonly used burnout measurement [105] , variations of the tool were applied, as were diverse subscale cutoff scores. Similar challenges in synthesizing extremely heterogeneous burnout data were echoed in a 2018 JAMA review of the prevalence of burnout among different types of physicians [106] . Of the MBI Emotional Exhaustion and Depersonalization subscale results that were synthesized, the results showed moderate scores indicating a significant level of burnout in pediatric nurses. Personal Accomplishment subscale results were high, perhaps indicating a factor of pediatric nursing that increases resilience despite moderate burnout in other domains. In studies that compared nurses who work in pediatric units to other in-patient units, burnout results were mixed [26, 32, 35, 36, 38, 74, 78, 94] . The majority of the included studies identified correlational relationships using cross-sectional study designs, which limited causal inferences. Study designs, such as longitudinal approaches, would allow for causal inference and in-depth analysis of this phenomenon in this unique population.

Pediatric nurse demographic factors that are associated with burnout, such as age, work experience, and level of education, have been a common area of studied burnout associations across other healthcare populations. Similar burnout associations were found in research studying healthcare providers caring for adults such as younger age (< 31 years) [107, 108] and years of experience (> 7 years) [109] . It is likely that nurses new to the profession are younger, are experiencing the challenges of the nursing profession for the first time, and are less likely to have well-developed skills for resiliency. Given that the start of nurses' careers is a vulnerable stage for burnout, nursing schools and orientation programs may be wellpositioned to highlight burnout prevention and mitigation strategies with students and new hires [107] . Personality traits such as high neuroticism and low agreeableness were found to be associated with pediatric nurse burnout [31] . These results have been supported in other nurse and physician populations, along with conscientiousness, extraversion, and openness contributing to lower levels of burnout [110] [111] [112] [113] . Although personality traits appear to have significant correlations with healthcare provider burnout, targeting modulation of personality traits as a mitigation strategy for burnout may be a high-cost, low-yield strategy.

It has been suggested that healthcare provider burnout is not a failure on the part of the individual, rather it is a culmination of impacts stemming from the work environment and the healthcare system as a whole [114] . Responsibility, then, is thought to lie within the individual, the organization, and the profession in general.

Job demands and resource variables in pediatric nursing lead to increased burnout, work-life interference, psychosomatic complaints, and intent to leave; these associations are also represented in adult nursing literature [102, 115] , including associations with excessive workload, number of assigned patients, admissions, understaffing, and longer shifts [116] [117] [118] [119] . Although Bursch et al. [36] found that pediatric nurses who worked straight day shifts had higher depersonalization than those who worked mixed shifts or just night shifts, Poncet et al. [108] found that working more night shifts was associated with higher burnout in adult critical care nurses. Day shift nurses have potentially more strenuous workloads as patients are more wakeful, have diagnostic tests, or consulting services visiting; however, night shifts could be perceived as more strenuous as it requires the provider to work against their natural circadian rhythm and less support staff are available [120] . These results may also be dependent on individuals' preference and the specific unit on which they work.

Systems issues such as overwhelming clerical work, administrative, and resource issues have impacts on provider burnout in both the pediatric nurse and general physician populations [36, 56, 65, 121] . Poor leadership is associated with pediatric nurse burnout as identified by Bilial and Ahmed [33] and Druxbury et al. [41] ; this 88

Care for the Professional Caregiver Program (CPCP): day-long retreat, includes didactic and discussion-based coverage of vicarious trauma, loss and adaptive coping with grief. Practical, group-based practice of coping strategies presented such as guided imagery, relaxation, body movement, and mindful breathing techniques that have been adapted for the workplace. Half of the subjects were randomly assigned to a booster session 6 months later.

Pediatric nurses showed greatest improvement in the group in EE scores 1 month post-intervention and 7 months post-intervention. The results not impacted by receiving booster session or not.

Gauthier et al. [47] 45 5-min daily mindfulness sessions. Conducted on the unit, as a group, facilitated by a mindfulness meditation instructor. Mindfulness CDs and booklets were distributed after the 1-month follow-up surveys were completed.

1) Intervention was found to be feasible for PICU nurses.

2) EE was negatively correlated with mindfulness at all three time points.

3) PA was positively correlated with mindfulness at all three time points. 4) DP was not correlated with mindfulness at time 3 but was negatively correlated with mindfulness at times 1 and 2.

Hallberg [50] 11 Systematic group clinical supervision was performed every third week for two full hours (14 sessions/28 h all together. Supervision performed by a registered nurse, with advanced training and extensive experience in psychiatric care.

The mean score of the tedium degree decreased over the 12 months significantly for mental exhaustion. There were no significant changes in the degree of burnout as measured by the MBI. SDM group reported significantly more "acting with awareness" and marginally more "non-reactivity to inner experience" skills compared to the TDM group. The SDM group showed marginally more compassion satisfaction and marginally less burnout. The SDM group had a lower risk for compassion fatigue compared to the TDM group, but only when the nurses had previous sub-clinical post-traumatic symptoms.

Richter et al. [81] 17

Nurses helped in the development of intervention materials. Intervention package included five, short educational videos created to demonstrate to nursing staff and caregivers' solutions to difficulties in caring for hospitalized children affected by HIV/AIDS. Sessions run every 2 weeks.

No changes in nurse well-being were found across the pre/post-intervention phases.

Post-intervention, patient mothers rated nurses as more supportive; mother-child interaction during feeding was more relaxed and engaged, babies were less socially withdrawn.

Rodrigues et al. [84] 33

Nursing know-how: skills in working with pediatric chronic pain: 90-min group session developed from previous knowledge needs assessment (Rodrigues et al. 2017 ). Modules contained education and case-based role play using nurse's real experiences.

Significant improvements on both indicators of burnout-EE and DP-over the 3-month period. However, the proportion of nurses with high EE and DP is still high.

EE Emotional Exhaustion, a subscale of the Maslach Burnout Inventory; DP Depersonalization, a subscale of the Maslach Burnout Inventory; PA Personal Accomplishment, a subscale of the Maslach Burnout Inventory; MBI Maslach Burnout Inventory; TDM traditionally delivered mindfulness; SDM smartphonedelivered mindfulness; MBC mindfulness-based course relationship is echoed in research with physicians, nurses, and allied health [122] . In pediatric nurses [39] , increased perception of organizational support is associated with lower burnout; this association is supported in general nursing populations [119, 123] . In all populations, the support a healthcare provider perceives they get from the organization is predictive of their level of organizational commitment. When healthcare providers perceive that they have high organizational support, they will exhibit greater organizational citizenship behavior, which are extra-role tasks that ultimately improve the organization [124] . Burnout itself results in reduced organizational commitment on the part of the healthcare provider [125] . The experience of witnessing patient suffering and death [65, 122] , uncertainty around plan/utility of care [15, 56, 126] , moral distress [15, 85] , and behavioral issues with patient families (e.g., aggressive patients/families) [65, 79, 127] were found to be significant factors that contributed to burnout in both pediatric nurses and general population physicians and nurses.

As might be expected, optimism, self-efficiency, resilience, and positive coping strategies are supported as inversely related to burnout in broader nursing populations [128] [129] [130] . The identification and treatment of burnout is particularly important to consider in light of the evidence that burnout is inversely related to job satisfaction and burnout is a contagious phenomenon between nurses; therefore, early intervention is essential to prevent transmission among staff [131] [132] [133] .

The association between burnout and patient satisfaction and intent to leave has been reported in non-pediatric nurse populations as well [5, 6, 115, [134] [135] [136] . It is likely that as nurses become increasingly burned out their satisfaction with their jobs decreases and their desire to leave their position increases. This linkage highlights the importance of addressing nurse burnout in the organization to retain staff and reduce the financial and tacit knowledge losses associated with high nurse turnover.

Higher work-related burnout is also associated with mental health conditions such as anxiety and depression in pediatric nurses; this is represented in several studies of other healthcare provider populations [113, [137] [138] [139] [140] . However, the majority of these associations are correlational; thus, they are left open for further assessment if they impact the development of burnout or if burnout impacted their development. Further research is needed to confirm causal, directional effects.

The relationship of increased clinician burnout and decreased patient safety has been supported in additional studies of healthcare provider burnout [7, 141] . As clinician burnout increases, the detachment from patients and their work does too, which may contribute to negative attitudes toward patient safety, incomplete infection control practices, and decreased patient engagement [7, 141] . Reducing burnout has the potential to impact patient safety; the Quadruple Aim of Healthcare hopes to improve patient outcomes, such as safety, through the addition of clinician well-being as a primary aim in the model [142] .

Although only seven of the studies analyzed in this review included interventions, there is modest evidence on the efficacy of burnout interventions in the broader healthcare provider population. Similar to the results of Hallberg [50] , a study of Swedish district nurses showed no impact of clinical supervision on burnout [143] . While Morrison Wylde et al. [70] found a marginal improvement in pediatric nurse burnout with smartphonebased intervention vs. traditional mindfulness interventions, studies investigating mindfulness interventions in other healthcare populations reported mixed results [144] [145] [146] [147] . Similar to pediatric nurses [84] , social workers showed a significant decrease in burnout after attending skills development courses [148] suggesting that improving clinical knowledge and skills may reduce burnout. This is supported by the finding that pediatric nurses with lower clinical competency and education level have increased burnout [57, 90] . Although Edmonds et al. [42] showed significant decreases in pediatric nurse burnout using in-person trauma, adaptive grief, and coping sessions with follow-up, similar sessions have shown mixed results in other healthcare provider populations [149] [150] [151] . More research is needed to identify reliable interventions for pediatric nurse burnout that can be pre-emptively and routinely implemented by nursing schools and healthcare organizations.

The search strategy was limited to publications in English; thus, potentially relevant studies in other languages were excluded. Gray literature was not included; thus, informal annual surveys conducted at various healthcare institutions may have been missed; however, this was outweighed by the desire to only include peer-reviewed literature to ensure the quality of data reviewed [152] . Third, the definition of "nurses" varies internationally as does their required education and scope of practice; however, the slight variations were outweighed by the need to include thorough, culturally diverse research.

Finally, the extreme heterogeneity of the burnout measurement tools and their application and interpretation inhibited the comparison of results across studies.

Our scoping review showed inconsistent measurement and interpretation of pediatric nurse burnout scores. Factors associated with pediatric nurse burnout were similar to those found in other healthcare professional groups and can be separated into the domains of nurse personal factors, work environment, work attitudes, and work outcomes. Only 45 of the 78 studies reviewed studied exclusive populations of pediatric nurses, and most associations identified were correlational. Few interventions to prevent or mitigate pediatric nurse burnout have been undertaken, and the results were mixed, at best. Further studies using mixed methods are needed to expand on these results and incorporate the direct feedback of the nurses. Additional research is needed to develop and test interventions for pediatric nurse burnout. The improvement of pediatric nurse burnout has the potential to improve nurse well-being and, ultimately, patient care. 

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Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations

The authors would like to acknowledge librarian Mikaela Gray for her assistance with the search strategy development. Kristin Cleverley was supported by the CAMH Chair in Mental Health Nursing Research while writing this article.

Authors' contributions LB was involved in the study design, data collection, data analysis, data interpretation, and drafting and finalizing the manuscript. WB and KC were involved in data interpretation and substantively revised the manuscript for important intellectual content. CM was involved in the data collection (title, abstract, and full-text screening) and substantively revised the manuscript for important intellectual content. KW was involved in the study design, data interpretation, and substantively revised the manuscript for important intellectual content. All authors read and approved the final manuscript and agree both to be personally accountable for their own contributions and to ensure that questions related to the accuracy or integrity of any part of the work are appropriately investigated, resolved, and the resolution documented in the literature. None of the authors have any competing interests as outlined by BioMed Central.

This paper is part of the doctoral work of the primary author who is funded by the Lawrence S. Bloomberg Faculty of Nursing, University of Toronto.

The complete list of articles used as data in this review is available from the corresponding author on reasonable request.Ethics approval and consent to participate Not applicable.

Not applicable.

The authors declare that they have no competing interests.

