Readmission and Late Mortality After Critical Illness in Childhood

Frequency of and Risk Factors for Increased Healthcare Utilization After Pediatric Sepsis Hospitalization

OBJECTIVES

To determine the frequency of and risk factors for increased post-sepsis healthcare utilization compared with pre-sepsis healthcare utilization.

DESIGN

Retrospective observational cohort study.

SETTING

Years 2016-2019 MarketScan Commercial and Medicaid Database.

PATIENTS

Children (0-18 yr) with sepsis treated in a U.S. hospital.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

We measured the frequency of and risk factors for increased healthcare utilization in the 90 days post- vs. pre-sepsis hospitalization. We defined increased healthcare utilization as an increase of at least 3 days in the 90 days post-hospitalization compared with the 90 days pre-hospitalization based on outpatient, emergency department, and inpatient hospitalization. We identified 2801 patients hospitalized for sepsis, of whom 865 (30.9%) had increased healthcare utilization post-sepsis, with a median (interquartile range [IQR]) of 3 days (1-6 d) total in the 90 days pre-sepsis and 10 days (IQR, 6-21 d) total in the 90 days post-sepsis ( p < 0.001). In multivariable models, the odds of increased healthcare use were higher for children with longer lengths of hospitalization (> 30 d adjusted odds ratio [aOR], 4.35; 95% CI, 2.99-6.32) and children with preexisting complex chronic conditions, specifically renal (aOR, 1.47; 95% CI, 1.02-2.12), hematologic/immunologic (aOR, 1.34; 95% CI, 1.03-1.74), metabolic (aOR, 1.39; 95% CI, 1.08-1.79), and malignancy (aOR, 1.89; 95% CI, 1.38-2.59).

CONCLUSIONS

In this nationally representative cohort of children who survived sepsis hospitalization in the United States, nearly one in three had increased healthcare utilization in the 90 days after discharge. Children with hospitalizations longer than 30 days and complex chronic conditions were more likely to experience increased healthcare utilization.

Pediatric intensive care unit follow-up: Thinking before acting

OBJECTIVE

It is now well established that post-intensive care syndrome is frequent in critically ill children after discharge from the pediatric intensive care unit (PICU). Nevertheless, post-intensive care follow-up is highly heterogenous worldwide and is not considered routine care in many countries. The purpose of this viewpoint was to report the reflections of the French PICU society working group on how to implement post-PICU follow-up.

METHODS

A working group was set up within the Groupe Francophone de Reanimation et d'Urgences Pédiatriques (GFRUP) to provide conceptual and practical guidance for developing post-PICU follow-up. The working group included psychologists, PICU physicians, physiotherapists, and nurses, from different French PICUs. Five virtual meetings have been held.

RESULTS

First, we described in this work the objectives of the follow-up program and the population to be targeted. We also provided a framework to implement post-PICU follow-up in clinical practice. Finally, we detailed the potential obstacles and challenges to consider.

CONCLUSION

Although implementing a post-PICU follow-up program is a challenge, the benefits could be significant for both patient and relatives, as well as for the health care professionals involved.

Biological basis of critical illness subclasses: from the bedside to the bench and back again

Critical illness syndromes including sepsis, acute respiratory distress syndrome, and acute kidney injury (AKI) are associated with high in-hospital mortality and long-term adverse health outcomes among survivors. Despite advancements in care, clinical and biological heterogeneity among patients continues to hamper identification of efficacious therapies. Precision medicine offers hope by identifying patient subclasses based on clinical, laboratory, biomarker and 'omic' data and potentially facilitating better alignment of interventions. Within the previous two decades, numerous studies have made strides in identifying gene-expression based endotypes and clinico-biomarker based phenotypes among critically ill patients associated with differential outcomes and responses to treatment. In this state-of-the-art review, we summarize the biological similarities and differences across the various subclassification schemes among critically ill patients. In addition, we highlight current translational gaps, the need for advanced scientific tools, human-relevant disease models, to gain a comprehensive understanding of the molecular mechanisms underlying critical illness subclasses.

Nationwide trends in intensive care unit utilization in the elective endovascular treatment of unruptured intracranial aneurysms

OBJECTIVE

Multiple studies suggest routine post-operative intensive care unit (ICU) stays after endovascular treatment (EVT) of unruptured intracranial aneurysms (UIAs) is unnecessary, though rates of ICU utilization nationwide are unknown. We aim to evaluate rates and characteristics of ICU utilization in patients undergoing elective endovascular repair of UIAs.

METHODS

This is a retrospective cohort study utilizing a nationwide private-payer database in the United States to evaluate the ICU utilization in patients undergoing elective endovascular repair of UIAs between 2005 and 2019. Demographics and pre-operative comorbidities as well as post-procedural complications and discharge status were compared. An analysis of charges and costs was also performed.

RESULTS

Among 6218 patients who underwent elective EVT of a UIA, 4890 (78.6%) were admitted to the ICU post-operatively. There were no differences in age, sex, or Charlson comorbidity scores in patients admitted to the ICU post-operatively compared to those admitted elsewhere. ICU utilization was more common in urban locations compared to rural. 12.7% of patients had ICU-specific needs sufficient to be billed by a critical care provider. Total provider costs were significantly higher in patients utilizing the ICU post-operatively, even among uncomplicated patients with routine discharges.

CONCLUSION

Most patients undergoing elective endovascular UIA repair in the United States are admitted to the ICU postoperatively. Only 12.7% have ICU needs, and these patients are predictable from pre-operative characteristics or peri-operative complications. Reducing ICU use in this subgroup of patients may be an important target to improve healthcare value in this patient population.

Follow-up after PICU discharge for patients with acquired brain injury: the role of an abbreviated neuropsychological evaluation and a return-to-school program

Objective

To present the results of an abbreviated testing protocol used to screen for neurocognitive and psychological sequelae of critical illness among pediatric intensive care unit (PICU) survivors with acquired brain injury in our post-discharge follow-up programs, and describe our process for facilitating this population's return to academic life.

Design

Retrospective cohort study.

Setting

Neurocritical care follow-up programs at two U.S. academic, tertiary medical/surgical PICUs.

Patients

Children age > 4 years enrolled in the neurocritical care follow-up programs (n=289) at these institutions who underwent neurocognitive and psychological testing between 2017-2021.

Interventions

None.

Measurements and Main Results

One month after discharge from the hospital, nearly half of the children and/or their parents (48%) in our neurocritical care follow-up programs identified some type of emotional or behavioral concern compared to their premorbid state, and 15% reported some type of cognitive concern. On evaluation, 35% of the children were given a new neurocognitive diagnosis. Neurocognitive domains regulated by the executive functioning system were the most commonly affected, including attention (54%), memory (31%) and processing speed (27%). One-quarter of the children were given a new psychological diagnosis, most commonly post-traumatic stress disorder (PTSD) or stress-related symptoms (12%). Over 80% of patients in the programs were given new recommendations for school, for both new academic services and new classroom accommodations. Over half of children (57%) were referred for comprehensive follow-up neuropsychological evaluation.

Conclusions

Abbreviated neurocognitive and psychological evaluation successfully identifies the same deficits commonly found among PICU survivors who undergo longer, more complete testing protocols. When combined with services aimed at successfully re-integrating PICU survivors back to school, this focused evaluation can provide an effective and efficient means of screening for cognitive and emotional deficits among PICU survivors, and establish a rationale for early academic support upon the child's return to school.

A realist review of the effective implementation of the ICU Liberation Bundle in the paediatric intensive care unit setting

OBJECTIVE

The objective of this study was to produce an evidence base of what works, for whom, and in what context when implementing the ICU Liberation Bundle into the paediatric intensive care unit (PICU).

REVIEW METHOD USED

This is a realist review (a review that considers what works, for whom, and in what context) of contemporary international literature.

DATA SOURCES

Data were collected via electronic searches of CINAHL, PubMed, EMBASE and MEDLINE, Google Scholar, and Web of Science for articles published before October 2020.

REVIEW METHOD

An initial scoping search identified the underpinning theory of the implementation of the ICU Liberation Bundle (a multifactor intervention aimed at improving patient outcomes) which was mapped onto the Consolidated Framework for Implementation Research (CFIR). We identified 547 unique citations; 12 full-text papers were included that reported eight studies. Data were extracted and mapped to the CFIR domains.

RESULTS

Data mapped to all CFIR domains. Characteristics of individuals included involvement of key stakeholders, champions, and parents and understanding of staff attitudes and perceptions of the intervention, and all bedside staff members were involved and given training. Within the inner setting, understanding of unit culture, ensuring effective support systems in place, knowledge of the baseline, and leadership support, and buy-in were important. Culture of family-centred care and alignment of the intervention to national guidelines related to the outer setting. Intervention characteristics included the number and timings of interventions, de-escalation rounding checklists, the use of age-appropriate and validated assessment tools, and local policies for the bundle. The process included set training program, senior unit/hospital team consultation on all processes, continual audit adherence to the bundle and feedback, and celebration of successes.

CONCLUSIONS

This novel realist review of the literature identified that successful implementation of the ICU Liberation Bundle into PICU settings involves the following: (i) a thorough understanding of the PICU context, including baseline metrics, resources, and staff attitudes; (ii) using contextual information to adapt the intervention elements to ensure fit; and (iii) both clinical effectiveness and implementation outcomes must be measured. Registration of review: PROSPERO 2020 CRD42020211944.

Long-term Pain Symptomatology in PICU Survivors Aged 8-18 Years

BACKGROUND AND OBJECTIVES

Children discharged from the PICU often experience long-term physical, psychological, social and cognitive challenges, described as postintensive care syndrome. This study fills a critical gap by describing the long-term pain symptoms many children experience using child self-report.

METHODS

Participants in this cross-sectional study were children aged 8 to 18 years (and 1 parent, n = 64 dyads) who were 8 to 24 months post-PICU discharge. Participants completed measures assessing pain, psychosocial function, and treatment utilization. Health information relevant to the PICU admission was obtained from the electronic medical record.

RESULTS

Children were an average age of 14.3 years and 50% female. Average pain intensity in the past month was 3.65 (0-10 numeric rating scale), with 36% of children reporting pain ≥2 to 3 days a week. Youth with higher intensity (≥4) and more frequent pain (≥2-3 days a week) had greater pain catastrophizing, pain-related fear, anxiety, and sleep disturbance than those with less frequent and intense pain. Higher pain frequency was also associated with greater pain-related disability and depressive symptoms. Pain was not associated with any PICU-related variables abstracted from the electronic medical record. Parents reported children frequently accessed pain treatment services postdischarge; however, 37.5% reported the coronavirus disease 2019 pandemic impacted access to recommended services.

CONCLUSIONS

A significant portion of children experience pain post-PICU discharge. For many of these children, pain is frequent and is associated with impairments in psychosocial function. Future prospective research studies can be used to identify risk factors of poor pain outcomes so children can receive targeted interventions.

Child Opportunity Index and Emergent PICU Readmissions: A Retrospective, Cross-Sectional Study of 43 U.S. Hospitals

OBJECTIVES

To examine the association between a validated composite measure of neighborhood factors, the Child Opportunity Index (COI), and emergent PICU readmission during the year following discharge for survivors of pediatric critical illness.

DESIGN

Retrospective cross-sectional study.

SETTING

Forty-three U.S. children's hospitals contributing to the Pediatric Health Information System administrative dataset.

PATIENTS

Children (< 18 yr) with at least one emergent PICU admission in 2018-2019 who survived an index admission.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

Of 78,839 patients, 26% resided in very low COI neighborhoods, 21% in low COI, 19% in moderate COI, 17% in high COI, and 17% in very high COI neighborhoods, and 12.6% had an emergent PICU readmission within 1 year. After adjusting for patient-level demographic and clinical factors, residence in neighborhoods with moderate, low, and very low COI was associated with increased odds of emergent 1-year PICU readmission relative to patients in very high COI neighborhoods. Lower COI levels were associated with readmission in diabetic ketoacidosis and asthma. We failed to find an association between COI and emergent PICU readmission in patients with an index PICU admission diagnosis of respiratory conditions, sepsis, or trauma.

CONCLUSIONS

Children living in neighborhoods with lower child opportunity had an increased risk of emergent 1-year readmission to the PICU, particularly children with chronic conditions such as asthma and diabetes. Assessing the neighborhood context to which children return following critical illness may inform community-level initiatives to foster recovery and reduce the risk of adverse outcomes.

Epidemiology of Intensive Care Admissions for Children in the US From 2001 to 2019

Importance

Estimates of the number of US children receiving intensive care unit (ICU) care and ICU admission patterns over time are lacking.

Objective

To determine how ICU admission patterns, use of critical care services, and the characteristics and outcomes of critically ill children have changed from 2001 to 2019.

Design, Setting, and Participants

This population-based retrospective cohort study used data from the Healthcare Cost and Utilization Project's state inpatient databases from a total of 21 US states in 2001, 2004, 2010, 2016, and 2019. Hospitalized children aged 0 to 17 years, excluding newborns (during birth hospitalization), were included. Patients admitted to rehabilitation institutions or psychiatric hospitals were also excluded. Data were analyzed from July 2021 to December 2022.

Exposures

Care in a nonneonatal ICU.

Main Outcomes and Measures

From extracted patient data, International Classification of Diseases, Ninth Revision, Clinical Modification, and Tenth Revision, Clinical Modification, codes were used to identify diagnoses, comorbid conditions, organ failures, and mechanical ventilation. Generalized linear Poisson regression and the Cuzick test were used to evaluate trends. US Census data were used to generate age- and sex-adjusted national estimates of ICU admissions and costs.

Results

Of 2 157 991 pediatric admissions, 275 656 (12.8%) included ICU care. The mean (SD) age was 6.43 (6.10) years; 121 894 individuals were female (44.2%), and 153 731 were male (55.8%). From 2001 to 2019, the prevalence of ICU care among hospitalized children increased from 10.6% to 15.5%. The percentage of ICU admissions in children's hospitals rose from 51.2% to 85.1% (relative risk [RR], 1.66; 95% CI, 1.64-1.68). The percentage of children admitted to an ICU with an underlying comorbidity increased from 46.2% to 57.0% (RR, 1.23; 95% CI, 1.22-1.25), and the percentage with preadmission technology dependence increased from 16.4% to 23.5% (RR, 1.44; 95% CI, 1.40-1.48). The prevalence of multiple organ dysfunction syndrome increased from 6.8% to 21.0% (RR, 3.12; 95% CI, 2.98-3.26), while mortality decreased from 2.5% to 1.8% (RR, 0.72; 95% CI, 0.66-0.79). Hospital length of stay increased by 0.96 days (95% CI, 0.73-1.18) for ICU admissions from 2001 to 2019. After inflation adjustment, total costs for a pediatric admission involving ICU care nearly doubled between 2001 and 2019. Nationally, an estimated 239 000 children were admitted to a US ICU in 2019, corresponding to $11.6 billion in hospital costs.

Conclusions and Relevance

In this study, the prevalence of children receiving ICU care in the US increased, as did length of stay, technology use, and associated costs. The US health care system must be equipped to care for these children in the future.

Scoping Review: Neurocognitive Outcome Assessments After Critical Illness in Children

OBJECTIVES

To map the literature regarding assessment of neurocognitive outcomes in PICU survivors. Secondary objectives were to identify literature gaps and to provide data for development of a Core Outcome Measures Set in the domain.

METHODS

Planned, a priori analysis was performed of data from an over-all scoping review of Post-Intensive Care Syndrome-pediatrics (PICS-p) functional outcomes. English-language databases and registries from 1970 to 2017 were searched by a medical librarian to identify manuscripts reporting on Post Intensive Care Syndrome-pediatrics (PICS-p). Further, detailed data extraction for neurocognitive outcomes was performed focusing on study characteristics, instruments used, and populations.

RESULTS

114 instruments evaluated neurocognitive function in 183 manuscripts. 83% of manuscripts were published after 2000. Median of 3 (IQR 2-5) neurocognitive instruments per manuscript were reported. Wechsler Scales (45%), clinical neurologic evaluations (21%), Pediatric Cerebral Performance Category (20%), Bayley Scales of Infant Development (16%), and Vineland Adaptive Behavior Scales (11%) were the most commonly used instruments. Median sample size was 65 (IQR 32-129) subjects. Most (63%) assessments were conducted in-person and parents/guardians (40%) provided the information. Patients with congenital heart disease and traumatic brain injury were most commonly evaluated (31% and 24% of manuscripts, respectively). Adolescents were the most commonly studied age group (34%). Baseline function was infrequently assessed (11% of manuscripts); most studies assessed patients at only one time point after PICU discharge. Within studies, neurocognitive assessments were often combined with others - especially social (18%) and physical (8%).

CONCLUSIONS

183 manuscripts studied the neurocognitive domain of PICS-p. Studies were quantitative and tended to focus on populations with anticipated cognitive impairment. Considerable variability exists among the chosen 114 instruments used; however, 4 instruments were frequently chosen with focus on intelligence, cerebral functioning, and developmental and adaptive behavior. The literature is marked by lack of agreement on methodologies but reflects the burgeoning interest in studying PICS-p neurocognitive outcomes.

Validation of the HOSPITAL score as predictor of 30-day potentially avoidable readmissions in pediatric hospitalized population: retrospective cohort study

Potentially avoidable pediatric readmissions are a burden to patients and their families. Identifying patients with higher risk of readmission could help minimize hospital costs and facilitate the targeting of care interventions. HOSPITAL score is a tool developed and widely used to predict adult patient's readmissions; however its predictive capacity for pediatric readmissions has not yet been evaluated. The aim of the study was to validate the HOSPITAL score application to predict 30-day potentially avoidable readmissions in a pediatric hospitalized population. This is a retrospective cohort study with patients under 18 years old admitted to a tertiary university hospital (n = 6,344). The HOSPITAL score was estimated for each admission. Subsequently, we classified the patients as low (0-4), intermediate (5-6), and high (7-12) risk groups. In order to estimate the discrimination power, the sensitivity, specificity, and accuracy were determined by the receiver operating characteristics (ROC) and the calibration by the Hosmer-Lemeshow goodness-of-fit. The 30-day hospital readmission was 11.70% (745). The accuracy was 0.80 (CI 95%, 0.77, 0.83), with a sensitivity of 70.96% and specificity of 78.29%, and a good calibration (p = 0.34).    Conclusion: HOSPITAL score showed a good discrimination and can be used to predict 30-day potentially avoidable readmission in a large pediatric population with different medical diagnoses. Our study validates and expands the usefulness of the HOSPITAL score as a tool to predict avoidable hospital readmissions for pediatric population. What is Known: •   Pediatric readmissions burden patients, the family network, and the health system. In addition, it influences negatively child development. •   The HOSPITAL score is one of the tools developed and widely used to identify patients at high risk of hospital readmission, but its predictive capacity for pediatric readmissions has not been yet assessed. What is New: • The HOSPITAL score showed good ability to identify a risk of 30-day potentially avoidable readmission in a pediatric population in different clinical contexts and diagnoses. • Our study expands the usefulness of the HOSPITAL score as a tool for predicting hospital readmissions for children and adolescents.

Unplanned Admissions, Emergency Department Visits, and Epilepsy After Critical Neurological Illness Requiring Prolonged Mechanical Ventilation in Children

Background and Purpose

Long-term outcomes after pediatric neurocritical illness are poorly characterized. This study aims to characterize the frequency and risk factors for post-discharge unplanned health resource use in a pediatric neurocritical care population using insurance claims data.

Methods

Retrospective cohort study evaluating children who survived a hospitalization for an acute neurologic illness or injury requiring mechanical ventilation for >72 hours and had insurance eligibility in Colorado's All Payers Claims database. Insurance claims identified unplanned readmissions and emergency department [ED] visits during the post-discharge year. For patients without pre-existing epilepsy/seizures, we evaluated for post-ICU epilepsy identified by claim(s) for a maintenance anti-seizure medication during months 6-12 post-discharge. Multivariable logistic regression identified factors associated with each outcome.

Results

101 children, median age 3.7 years (interquartile range (IQR) .4-11.9), admitted for trauma (57%), hypoxic-ischemic injury (17%) and seizures (15%). During the post-discharge year, 4 (4%) patients died, 26 (26%) were readmitted, and 48 (48%) had an ED visit. Having a pre-existing complex chronic condition was independently associated with readmission and emergency department visit. Admission for trauma was protective against readmission. Of those without pre-existing seizures (n = 86), 25 (29%) developed post-ICU epilepsy. Acute seizures during admission and prolonged ICU stays were independently associated with post-ICU epilepsy.

Conclusions

Survivors of pediatric neurocritical illness are at risk of unplanned healthcare use and post-ICU epilepsy. Critical illness risk factors including prolonged ICU stay and acute seizures may identify cohorts for targeted follow up or interventions to prevent unplanned healthcare use and post-ICU epilepsy.

Functional Status and Hospital Readmission After Pediatric Critical Disease: A Year Follow-Up

OBJECTIVES

To evaluate the association between pediatric functional status at hospital discharge after PICU admission and hospital readmission within 1 year.

DESIGN

Prospective longitudinal study.

SETTING

Two PICUs in tertiary hospitals in South Brazil.

PATIENTS

Children and adolescents admitted to the PICU.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

We evaluated the following: clinical and sociodemographic characteristics, functional status using the Functional Status Scale-Brazil (FSS-Brazil) at baseline and at hospital discharge, and hospital readmission within 1 year. Hospital readmission risk was associated with possible related factors using Cox regression to estimate the hazard ratio (HR). A total of 196 patients completed the follow-up. At hospital discharge, 39.3% of children had some degree of decline in FSS-Brazil, and 38.3% had at least one nonelective hospital readmission within 1 year. FSS-Brazil rating at hospital discharge was associated with the risk of hospital readmission within 1 year (HR, 1.698; 95% CI, 1.016-2.838).

CONCLUSION

FSS-Brazil rating at hospital discharge, age, and length of stay were associated with greater hazard of nonelective hospital readmission within 1 year of discharge.

Postdischarge health resource use in pediatric survivors of prolonged mechanical ventilation for acute respiratory illness

We aimed to identify characteristics associated with postdischarge health resource use in children without medical complexity who survived an episode of prolonged mechanical ventilation for respiratory illness. We hypothesized that longer durations of mechanical ventilation, noncomplex chronic conditions, and severe acute respiratory distress syndrome (ARDS) would be associated with readmission or an Emergency Department (ED) visit. In this retrospective cohort, we evaluated children without a complex chronic condition who survived a respiratory illness requiring ≥3 days of mechanical ventilation and who had insurance eligibility within the Colorado All Payers Claims Database. We used insurance claims to characterize health resource use and multivariable logistic regression to identify characteristics associated with readmission or an ED visit during the postdischarge year. We evaluated 82 children, median age 12.8 months (interquartile range [IQR]: 4.0-24.1), 20 (24%) with a noncomplex chronic condition and 62 (76%) without any chronic conditions. Bronchiolitis (60%) and pneumonia/aspiration pneumonitis (17%) were the most common etiologies of respiratory failure and 47 (57%) patients had severe ARDS. Forty-six (56%) patients had an ED visit or readmission. Among the 18 readmitted patients, 16/18 (89%) readmissions were for respiratory illness. Forty (49%) patients had ≥2 outpatient pulmonary visits and 45 (55%) filled a pulmonary medication prescription. In analyses controlling for age, illness severity and mechanical ventilation duration, severe ARDS was predictive of ED visit or readmission (odds ratio [OR]: 5.53 [95% confidence interval [CI]: 1.79, 19.09]). Children who survive prolonged mechanical ventilation for respiratory disease experience high rates of postdischarge health resource use, particularly those surviving severe ARDS.

Demographic and Clinical Differences Between Applied Definitions of Medical Complexity

OBJECTIVES

To identify the degree of concordance and characterize demographic and clinical differences between commonly used definitions of multisystem medical complexity in children hospitalized in children's hospitals.

METHODS

We conducted a retrospective, cross-sectional cohort study of children <21 years of age hospitalized at 47 US Pediatric Health Information System-participating children's hospitals between January 2017 to December 2019. We classified patients as having multisystem complexity when using 3 definitions of medical complexity (pediatric complex chronic conditions, pediatric medical complexity algorithm, and pediatric chronic critical illness) and assessed their overlap. We compared demographic, clinical, outcome, cost characteristics, and longitudinal healthcare utilization for each grouping.

RESULTS

Nearly one-fourth (23.5%) of children hospitalized at Pediatric Health Information System-participating institutions were identified as meeting at least 1 definition of multisystem complexity. Children with multisystem complexity ranged from 1.0% to 22.1% of hospitalized children, depending on the definition, with 31.2% to 95.9% requiring an ICU stay during their index admission. Differences were seen in demographic, clinical, and resource utilization patterns across the definitions. Definitions of multisystem complexity demonstrated poor agreement (Fleiss' κ 0.21), with 3.5% of identified children meeting all 3.

CONCLUSIONS

Three definitions of multisystem complexity identified varied populations of children with complex medical needs, with poor overall agreement. Careful consideration is required when applying definitions of medical complexity in health services research, and their lack of concordance should result in caution in the interpretation of research using differing definitions of medical complexity.

High-Frequency Utilization of the PICU

OBJECTIVES

To describe the demographic, clinical, outcome, and cost differences between children with high-frequency PICU admission and those without.

DESIGN

Retrospective, cross-sectional cohort study.

SETTING

United States.

PATIENTS

Children less than or equal to 18 years old admitted to PICUs participating in the Pediatric Health Information System database in 2018.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

We assessed survivors of PICU admissions for repeat PICU admissions within a year of their index visit. Children with greater than or equal to 3 PICU admissions within a year were classified as high-frequency PICU utilization (HFPICU). We compared demographic, clinical, outcome, and cost characteristics between children with HFPICU and those with only an index or two admissions per year (nHFPICU). Of 95,465 children who survived an index admission, 5,880 (6.2%) met HFPICU criteria. HFPICU patients were more frequently younger, technology dependent, and publicly insured. HFPICU patients had longer lengths of stay and were more frequently discharged to a rehabilitation facility or with home nursing services. HFPICU patients accounted for 24.8% of annual hospital utilization costs among patients requiring PICU admission. Time to readmission for children with HFPICU was 58% sooner (95% CI, 56-59%) than in those with nHFPICU with two admissions using an accelerated failure time model. Among demographic and clinical factors that were associated with development of HFPICU status calculated from a multivariable analysis, the greatest effect size was for time to first readmission within 82 days.

CONCLUSIONS

Children identified as having HFPICU account for 6.2% of children surviving an index ICU admission. They are a high-risk patient population with increased medical resource utilization during index and subsequent ICU admissions. Patients readmitted within 82 days of discharge should be considered at higher risk of HFPICU status. Further research, including validation and exploration of interventions that may be of use in this patient population, are necessary.

Virtual Developmental Screening After Invasive Mechanical Ventilation in Children: A Prospective Cohort Pilot Study

OBJECTIVES

With decreasing PICU mortality, survivor morbidity has increased. This study aims to evaluate feasibility of virtual PICU-led follow-up of patients at risk for pediatric postintensive care syndrome.

DESIGN

Prospective cohort study.

SETTING

Single-center, quaternary children's hospital.

PATIENTS

Children less than or equal to 4 years without known preexisting neurodevelopmental deficits requiring greater than or equal to 12 hours mechanical ventilation.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

Age-appropriate Ages and Stages Questionnaires, Third Edition (ASQ-3) were administered via a web-based system at 3, 6, and 12 months following PICU discharge. Primary-care physicians were notified of results; at-risk patients were referred to early developmental intervention. Forty-eight patients enrolled with median age 11.5 months (interquartile range [IQR], 2-19.5 mo) and median mechanical ventilation duration 92.5 hours (IQR, 40.5-147 hr). Fifty-eight percent completed greater than or equal to 1 ASQ-3. Lower caregiver educational achievement, lower income, and single-caregiver status were associated with lower ASQ-3 completion rates. Of those completing any ASQ-3, 50% flagged as at-risk for developmental delay and referred to early developmental intervention. There was no association between patient characteristics and abnormal ASQ-3.

CONCLUSIONS

Virtual caregiver-completed surveillance is a promising method to screen children for neurodevelopmental abnormalities following PICU hospitalization and facilitate early referral for developmental intervention, but special attention must be dedicated to families with limited resources for follow-up.

Factors associated with admission of children to an intensive care unit and readmission to hospital within 28 days of discharge: A population-based study

AIM

Hospital readmissions within 28 days are an important performance measurement of quality and safety of health care. The aims of this study were to examine the rates, trends and characteristics of paediatric intensive care unit admissions, and factors associated with readmissions to hospital within 28 days of discharge.

METHODS

This retrospective, population-based record linkage study included all children ≥28 days and <16 years old admitted to an intensive care unit (ICU) in a New South Wales (NSW) public hospital from 2004 to 2013. Data were sourced from the NSW Admitted Patients Data Collection and the NSW Registry of Births, Deaths and Marriages, Death Registration.

RESULTS

We identified 21 200 ICU admissions involving 17 130 children. Admissions increased by 24% over the study period with the greatest increase attributed to respiratory and musculoskeletal conditions. A higher proportion of children were <5 years, male, lived in major cities, were publicly insured and had chronic conditions. The median length of ICU stay was 42 h and overall hospital stay was 7 days. There were 905 deaths, two-thirds during the index admission with the leading causes being injuries, cancer and infections. Twenty-three per cent of ICU admissions were readmitted to hospital within 28 days of discharge. Associated independent factors were younger age, longer index hospital stay and emergency index admission. Children with chronic conditions of cancer and genitourinary disorders were more likely to be readmitted.

CONCLUSIONS

Identification of complex chronic conditions, consideration of long-term health planning and interventions intended to reduce readmission is warranted in order to reduce the burden to families and the health-care system.

The Child With Severe Chronic Illness in the ICU: A Concise Review

OBJECTIVES

Children with severe chronic illness are a prevalent, impactful, vulnerable group in PICUs, whose needs are insufficiently met by transitory care models and a narrow focus on acute care needs. Thus, we sought to provide a concise synthetic review of published literature relevant to them and a compilation of strategies to address their distinctive needs.

DATA SOURCES

English language articles were identified in MEDLINE using a variety of phrases related to children with chronic conditions, prolonged admissions, resource utilization, mortality, morbidity, continuity of care, palliative care, and other critical care topics. Bibliographies were also reviewed.

STUDY SELECTION

Original articles, review articles, and commentaries were considered.

DATA EXTRACTION

Data from relevant articles were reviewed, summarized, and integrated into a narrative synthetic review.

DATA SYNTHESIS

Children with serious chronic conditions are a heterogeneous group who are growing in numbers and complexity, partly due to successes of critical care. Because of their prevalence, prolonged stays, readmissions, and other resource use, they disproportionately impact PICUs. Often more than other patients, critical illness can substantially negatively affect these children and their families, physically and psychosocially. Critical care approaches narrowly focused on acute care and transitory/rotating care models exacerbate these problems and contribute to ineffective communication and information sharing, impaired relationships, subpar and untimely decision-making, patient/family dissatisfaction, and moral distress in providers. Strategies to mitigate these effects and address these patients' distinctive needs include improving continuity and communication, primary and secondary palliative care, and involvement of families. However, there are limited outcome data for most of these strategies and little consensus on which outcomes should be measured.

CONCLUSIONS

The future of pediatric critical care medicine is intertwined with that of children with serious chronic illness. More concerted efforts are needed to address their distinctive needs and study the effectiveness of strategies to do so.

Risk Factors of Readmission to Pediatric Intensive Care Unit Within 1 Year: A Case-Control Study

BACKGROUND

Research on pediatric intensive care unit (PICU) readmission is lacking in China. This study was conducted to describe the risk factors associated with PICU readmission within 1 year after PICU discharge.

METHODS

This retrospective case-control study included patients aged from 1 month to 16 years who were discharged between January 2018 and May 2020. The case group included readmitted patients with two or more PICU admissions within 1 year during the study period. The control group included survivors with only one PICU admission during the same study period, and the controls were matched on age and sex. Demographic and clinical variables were collected from the electronic administrative database. Risk factors were analyzed by univariate and multivariate analyses.

RESULTS

From January 2018 to May 2020, 2,529 patients were discharged from the PICU, and 103 (4.07%) were readmitted within 1 year. In the univariate analysis, PICU readmission within 1 year was associated with lower weight, the presence of chronic conditions, a higher StrongKids score on admission, length of PICU stay of more than 2 weeks, the presence of dysfunction at discharge, sedation medications use, vasopressor use, and invasive mechanical ventilation in the first PICU stay. Patients had a higher StrongKids score as a surrogate for increased risk of malnutrition. In the multivariate analysis, the factors most significantly associated with PICU readmission within 1 year were the presence of chronic conditions, a higher StrongKids score on admission, and length of PICU stay of more than 2 weeks in the first PICU stay. In the subgroup analysis, compared with the control group, the factors most significantly associated with readmission within 48 h of discharge were the presence of chronic conditions, a higher StrongKids score on admission, and vasopressor use during the first PICU stay. The mortality rate was 8.74% (9/103) in patients with PICU readmission. The overall PICU mortality rate was 7.39% (201/2,721) during the study period.

CONCLUSIONS

Patients with chronic conditions, a higher StrongKids score on admission, and length of PICU stay of more than 2 weeks were at much higher risk for PICU readmission within 1 year. Patients with vasopressor use during the first PICU hospitalization were more likely to be readmitted within 48 h of discharge.

Risk Factors for Physical Function Impairments in Postintensive Care Syndrome: A Scoping Review

OBJECTIVE

Survivors of critical illness may experience short- and long-term physical function impairments. This review aimed to identify the risk factors for physical function impairments from the current literature.

DATA SOURCES

A systematic search of the PubMed, Embase, Web of Science, and Cochrane Library databases following the Preferred Reporting Items for Systematic Reviews and Meta-analyses extension for Scoping Reviews guideline was performed.

STUDY SELECTION

The risk factors reported in all human studies reporting physical function impairments in children admitted to the pediatric intensive care unit (PICU) were reviewed and categorized. Two investigators independently screened, evaluated, and selected studies for inclusion. Data from eligible studies were extracted by one investigator, and another investigator reviewed and verified the data. A systematic narrative approach was employed to review and summarize the data.

RESULTS

A total of 264 studies were found to be eligible, with 19 studies meeting the inclusion criteria. Children admitted to the PICU experienced physical function impairments during their stay, which can last for years. The studies varied primarily in the measurement timing and tools used. The most frequently reported risk factors for physical function impairments were age, race or ethnicity, a pre-admission chronic condition, sex, disease severity, duration or the presence of mechanical ventilation, and admission diagnosis.

CONCLUSIONS

Physical function impairments may be persistent in PICU survivors. To prevent these impairments in critically ill patients, pediatricians should pay attention to modifiable risk factors, such as the duration of mechanical ventilation. Future studies need to promote a combination of standardized measures for the detection and prevention of physical function impairments.

Family Outcomes After the Pediatric Intensive Care Unit: A Scoping Review

BACKGROUND

Intensivists are increasingly attuned to the postdischarge outcomes experienced by families because patient recovery and family outcomes are interdependent after childhood critical illness. In this scoping review of international contemporary literature, we describe the evidence of family effects and functioning postpediatric intensive care unit (PICU) as well as outcome measures used to identify strengths and weaknesses in the literature.

METHODS

We reviewed all articles published between 1970 and 2017 in PubMed, Embase, PsycINFO, Cumulative Index of Nursing and Allied Health Literature (CINAHL), or the Cochrane Controlled Trials Registry. Our search used a combination of terms for the concept of "critical care/illness" combined with additional terms for the prespecified domains of social, cognitive, emotional, physical, health-related quality of life (HRQL), and family functioning.

RESULTS

We identified 71 articles reporting on the postPICU experience of more than 2400 parents and 3600 families of PICU survivors in 8 countries. These articles used 101 different metrics to assess the various aspects of family outcomes; 34 articles also included open-ended interviews. Overall, most families experienced significant disruption in at least five out of six of our family outcomes subdomains, with themes of decline in mental health, physical health, family cohesion, and family finances identified. Almost all articles represented relatively small, single-center, or disease-specific observational studies. There was a disproportionate representation of families of higher socioeconomic status (SES) and Caucasian race, and there was much more data about mothers compared to fathers. There was also very limited information regarding outcomes for siblings and extended family members after a child's PICU stay.

CONCLUSIONS

Significant opportunities remain for research exploring family functioning after PICU discharge. We recommend that future work include more diverse populations with respect to the critically ill child as well as family characteristics, include more intervention studies, and enrich existing knowledge about outcomes for siblings and extended family.

Overall Health Following Pediatric Critical Illness: A Scoping Review of Instruments and Methodology

OBJECTIVES

Families identify overall health as a key outcome after pediatric critical illness. We conducted a planned secondary analysis of a scoping review to determine the methods, populations, and instruments used to evaluate overall health outcomes for both children and their families after critical illness.

DESIGN

Planned Secondary Analysis of a Scoping Review.

SETTING

We searched PubMed, EMBASE, PsycINFO, Cumulative Index of Nursing and Allied Health Literature, and the Cochrane Controlled Trials Registry databases from 1970 to 2017 to identify studies which measured postdischarge overall health of children who survived critical illness and their families.

SUBJECTS

Articles reporting overall health outcomes after pediatric critical illness.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

Among the 407 articles which measured outcomes following pediatric critical illness, 161 (40%) measured overall health. The overall health domain was most commonly measured in traumatic brain injury (44%) and the general PICU populations (16%). In total, there were 39 unique measures used to evaluate overall health. Across all subjects, seven measures accounted for 89% of instruments, with the Glasgow Outcome Scale (47%) and the Pediatric Overall Performance Category (17%) being most commonly used. Excluding studies targeting survivors of traumatic brain injury, Pediatric Overall Performance Category, Glasgow Outcome Scale, and the General Health Questionnaire were the most commonly used instruments. Patients were followed for a median 10.5 months (interquartile range, 4.5-21 mo).

CONCLUSIONS

Overall health was commonly assessed post-PICU discharge, especially in the traumatic brain injury population, using a heterogenous array of measures. Evaluation and consensus are imperative to identify the most appropriate method to measure overall health with the goal of improving care efficacy and facilitating recovery across populations of critically ill children.

Physical Functioning After Admission to the PICU: A Scoping Review

Supplemental Digital Content is available in the text.

Objectives:

To conduct a scoping review to 1) describe findings and determinants of physical functioning in children during and/or after PICU stay, 2) identify which domains of physical functioning are measured, 3) and synthesize the clinical and research knowledge gaps.

Data Sources:

A systematic search was conducted in PubMed, Embase, Cumulative Index to Nursing and Allied Health Literature, and Cochrane Library databases following the Preferred Reporting Items for Systematic Reviews and Meta-analyses extension for Scoping Reviews guidelines.

Study Selection:

Two investigators independently screened and included studies against predetermined criteria.

Data Extraction:

One investigator extracted data with review by a second investigator. A narrative analyses approach was used.

Data Synthesis:

A total of 2,610 articles were identified, leaving 68 studies for inclusion. Post-PICU/hospital discharge scores show that PICU survivors report difficulties in physical functioning during and years after PICU stay. Although sustained improvements in the long-term have been reported, most of the reported levels were lower compared with the reference and baseline values. Decreased physical functioning was associated with longer hospital stay and presence of comorbidities. A diversity of instruments was used in which mobility and self-care were mostly addressed.

CONCLUSIONS:

The results show that children perceive moderate to severe difficulties in physical functioning during and years after PICU stay. Longitudinal assessments during and after PICU stay should be incorporated, especially for children with a higher risk for poor functional outcomes. There is need for consensus on the most suitable methods to assess physical functioning in children admitted to the PICU.

Postdischarge Outcome Domains in Pediatric Critical Care and the Instruments Used to Evaluate Them: A Scoping Review

OBJECTIVES

Assessing outcomes after pediatric critical illness is imperative to evaluate practice and improve recovery of patients and their families. We conducted a scoping review of the literature to identify domains and instruments previously used to evaluate these outcomes.

DESIGN

Scoping review.

SETTING

We queried PubMed, EMBASE, PsycINFO, Cumulative Index of Nursing and Allied Health Literature, and the Cochrane Central Register of Controlled Trials Registry for studies evaluating pediatric critical care survivors or their families published between 1970 and 2017. We identified articles using key words related to pediatric critical illness and outcome domains. We excluded articles if the majority of patients were greater than 18 years old or less than 1 month old, mortality was the sole outcome, or only instrument psychometrics or procedural outcomes were reported. We used dual review for article selection and data extraction and categorized outcomes by domain (overall health, emotional, physical, cognitive, health-related quality of life, social, family).

SUBJECTS

Manuscripts evaluating outcomes after pediatric critical illness.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

Of 60,349 citations, 407 articles met inclusion criteria; 87% were published after 2000. Study designs included observational (85%), interventional (7%), qualitative (5%), and mixed methods (3%). Populations most frequently evaluated were traumatic brain injury (n = 96), general pediatric critical illness (n = 87), and congenital heart disease (n = 72). Family members were evaluated in 74 studies (18%). Studies used a median of 2 instruments (interquartile range 1-4 instruments) and evaluated a median of 2 domains (interquartile range 2-3 domains). Social (n = 223), cognitive (n = 183), and overall health (n = 161) domains were most frequently studied. Across studies, 366 unique instruments were used, most frequently the Wechsler and Glasgow Outcome Scales. Individual domains were evaluated using a median of 77 instruments (interquartile range 39-87 instruments).

CONCLUSIONS

A comprehensive, generalizable understanding of outcomes after pediatric critical illness is limited by heterogeneity in methodology, populations, domains, and instruments. Developing assessment standards may improve understanding of postdischarge outcomes and support development of interventions after pediatric critical illness.

The role of extracorporeal membrane oxygenation in pediatric abdominal transplant patients: A qualitative systematic review of literature

BACKGROUND

Advances in ECMO have made it a useful adjunct in critically ill pediatric patients; however, a dearth of evidence exists regarding risks and benefits in pediatric abdominal transplantation. The purpose of this study was to perform a qualitative systematic review of outcomes in pediatric patients undergoing ECMO support pre- or post-abdominal organ transplantation.

METHODS

This was a systematic review conducted from Jan 1, 1989, to April 24, 2020, via PubMed, Embase, Scopus, Web of Science, the Cochrane Library, and ClinicalTrials.gov of all pediatric solid abdominal organ transplant recipients (pre- and post-transplant) and donors who underwent V-A or V-V ECMO cannulation. Death was the primary outcome, with graft function and complications as secondary outcomes.

RESULTS

Fourteen articles were identified that fit criteria, with 88% being case reports. Three patients were donors placed on ECMO, with no mortality among the 8 recipients of organs from these donors. Nineteen recipients were placed on ECMO. All were liver transplants. Most patients experienced at least one complication (84%), with bleeding as the most common cause (44%). Mortality was 26%. Causes of death included multiorgan system failure (n = 3), heart failure (n = 1), Systemic inflammatory response syndrome (n = 1), abdominal compartment syndrome (n = 3), bleeding (n = 1), septic shock from aspergillus (n = 1), and hepatic artery thrombosis (n = 2).

CONCLUSIONS

The data are poor on ECMO usage in pediatric abdominal transplantation. While complications were high, mortality did not appear to be related to ECMO usage and was relatively low given the severity of patient illness.

Outcomes following admission to paediatric intensive care: A systematic review

AIM

To describe the long-term health outcomes of children admitted to a paediatric intensive care unit.

METHODS

A systematic review of the literature was performed. Studies of children under 18 years of age admitted to a paediatric intensive care unit were included. Studies focussed on neonatal admissions and investigating specific paediatric intensive care unit interventions or admission diagnoses were excluded. A table was created summarising the study characteristics and main findings. Risk of bias was assessed using the Newcastle Ottawa Quality Assessment Scale for observational studies. Primary outcome was short-, medium- and long-term mortality. Secondary outcomes included measures of neurodevelopment, cognition, physical, behavioural and psychosocial function as well as quality of life.

RESULTS

One hundred and eleven studies were included, most were conducted in high-income countries and focussed on short-term outcomes. Mortality during admission ranged from 1.3 to 50%. Mortality in high-income countries reduced over time but this trend was not evident for lower income countries. Higher income countries had lower standardised mortality rates than lower income countries. Children had an ongoing increased risk of death for up to 10 years following intensive care admission as well as increased physical and psychosocial morbidity compared to healthy controls, with associated poorer quality of life.

CONCLUSIONS

There is limited high-level evidence for the long-term health outcomes of children after intensive care admission, with the burden of related morbidity remaining greater in poorly resourced regions. Further research is recommended to identify risk factors and modifiable factors for poor outcomes, which could be targeted in practice improvement initiatives.

Resources and Costs Associated With Repeated Admissions to PICUs

Supplemental Digital Content is available in the text.

To determine the costs and hospital resource use from all PICU patients readmitted with a PICU stay within 12 months of hospital index discharge.

Parental Mental Health Care After Their Child's Pediatric Intensive Care Hospitalization

OBJECTIVES

Post-traumatic stress disorder, depression, and anxiety have all been found in parents of PICU survivors. How these research findings translate to actual use of mental health services by parents remains unknown.

DESIGN

Retrospective observational cohort study.

SETTING

Insurance claims data from 2006 to 2013 obtained from the IBM MarketScan Commercial Database.

PATIENTS

Parents of PICU survivors.

INTERVENTIONS

We examined rates of: 1) mental health diagnoses, 2) outpatient mental health visits, and 3) prescriptions for antidepressants and anxiolytics among parents, 6 months before and 6 months after their child's PICU admission, using each parent as their own control.

MEASUREMENTS AND MAIN RESULTS

Of the 95,070 parents identified, 9.5% received a new mental health diagnosis in the 6 months after their child's PICU hospitalization, which represented a 110% increase from pre-PICU rates. A smaller proportion of parents were given new prescriptions for antidepressants (3.4%) and anxiolytics (3.9%) in the 6 months after their child's PICU hospitalization. Mothers were twice as likely to receive a new mental health diagnosis and be taking a new medication than fathers in the post-PICU period. The parental diagnosis of acute stress disorder or post-traumatic stress disorder increased by 87% from the pre-PICU to the post-PICU period.

CONCLUSIONS

After their child's PICU hospitalization, the proportion of parents with a new mental health diagnosis nearly doubled. Mothers were at nearly twice the risk of receiving a new mental health diagnosis and receiving a new mental health medication compared with fathers. The proportion of parents receiving mental healthcare is much lower than the proportion reporting mental health symptoms in long-term outcomes studies. Whether this indicates a gap in healthcare delivery for parents with mental health symptoms remains unknown.

Treatment of Children With Cancer and/or Hematopoietic Stem Cell Transplantation in the Intensive Care Unit: Experience at a Large European Pediatric Cancer Center

Pediatric cancer treatment and hematopoietic stem cell transplantation (HSCT) carry considerable risks of morbidity. We conducted a single-center retrospective analysis of intensive care unit (ICU) admissions in unselected children and adolescents treated for cancer or undergoing HSCT. In a 10-year time period, 140 patients had 188 ICU admissions for a life-threatening condition. Main reasons for ICU admission were respiratory or cardiovascular insufficiency and sepsis. Mortality in the ICU was 19.1% and related to organ failure or acute complications in 77.8% and progress of the underlying malignancy in 22.2%. Mortality rates at 30, 100, and 365 days after discharge from the ICU were 24.5%, 30.9%, and 39.9%. Kaplan-Meier survival probabilities at 5 and 10 years were 46.4% and 39.8%, respectively. Multivariable analysis revealed the number of failed organ systems, the number of prior ICU stays, and days spent in the ICU as parameters independently associated with death. Taken together, the outcome of pediatric cancer and/or HSCT patients admitted to the ICU for life-threatening conditions was not as dismal as reported elsewhere. Most patients benefitted from ICU care, and survival was predominantly compromised by the evolution of complications.

Lifetime health care costs of oropharyngeal cancer for commercially insured patients in the United States

BACKGROUND

Incidence of oropharyngeal cancer (OPC) is expected to increase but its health care cost is unknown. The purpose for this study was to estimate the phase-specific lifetime health care costs of OPC for commercially insured individuals in the United States.

METHODS

We used the Truven MarketScan Commercial Claims and Encounter Database to identify our patient population. Cox survival analysis was used to estimate patients' monthly survival probabilities. We determined the ratios of the cumulative costs up to a particular survival probability and the costs from that time point to death for all subjects who died before end of the 5-year follow-up period. This relationship was then used to predict phase-specific lifetime health care costs.

RESULTS

Our study included 2445 patients with OPC. The predicted phase-specific lifetime health care costs attributable to OPC were $88 872, $24 038, and $1537 in the initial, continuous, and terminal phases, respectively, among commercially insured patients.

Epidemiology of Readmissions After Sepsis Hospitalization in Children

BACKGROUND AND OBJECTIVES

The decline in hospital mortality in children hospitalized with sepsis has increased the number of survivors. These survivors are at risk for adverse long-term outcomes, including readmission and recurrent or unresolved infections. We described the epidemiology of 90-day readmissions after sepsis hospitalization in children. We tested the hypothesis that a sepsis hospitalization increases odds of 90-day readmissions.

METHODS

Retrospective cohort analysis of the Nationwide Readmissions Database. We included index unplanned admissions of non-neonatal pediatric patients and described the proportion of readmissions, including those involving infection or sepsis. We performed multivariable analysis to determine the odds of readmission after a sepsis and nonsepsis admission and compared costs of readmission after sepsis and nonsepsis admissions.

RESULTS

Of 562 817 pediatric admissions, 7634 (1.4%) and 555 183 (98.6%) were discharged alive after admissions with and without sepsis. The rate of 90-day readmission after sepsis was 21.4%: 7.2% and 25.5% in previously healthy and chronically ill patients. The adjusted mean cost during readmission was $7385. Half of readmissions (52.9%) involved recurrent infection or sepsis. Sepsis admissions were associated with higher odds of readmission at 90 days compared with nonsepsis admissions (adjusted odds ratio 1.15, 95% confidence interval 1.08-1.23). The results remained unchanged for 30-day and 6-month readmissions.

CONCLUSIONS

Readmissions occur after 1 in 5 pediatric sepsis hospitalizations and increase health care costs. Sepsis hospitalization increased odds of readmission and commonly involved recurrent infection or sepsis. Clinicians caring for these patients should consider surveillance for recurrent or unresolved infection, and researchers should explore underlying mechanisms and potential interventions to reduce readmissions.

Readmissions to the ICU Among Children With Tracheostomies Placed After Cardiac Arrest

OBJECTIVE

Describe clinical outcomes and risk factors for ICU readmissions in a cohort of children who underwent tracheostomy placement after cardiac arrest.

METHODS

A retrospective, multicenter cohort analysis of children <18 years old admitted to a Virtual Pediatric Systems, LLC-participating PICU from January 2009 to December 2016 and underwent tracheostomy after cardiac arrest.

RESULTS

Among 394 index admissions, the median age was 16.8 months (interquartile range [IQR] 5.3-89.3), and Pediatric Risk of Mortality 3 scores (median 9 [IQR 4.75-16]) indicated severe illness. Baseline neurologic function was generally age appropriate (Pediatric Cerebral Performance Category score: median 2 [IQR 1-3]). The most common primary diagnosis categories were respiratory (31.0%), cardiac (21.6%), and injury and/or poisoning (18.3%). Post-tracheostomy mortality during the index admission was 9.3%. Among the 358 patients who survived to discharge, 334 had >180 days of available follow-up data. Two hundred and five (61.4%) patients were readmitted at least once for a total of 643 readmissions (range 0-30; median 1 [IQR 0-2]). We observed 0.54 readmissions per patient-year. The median time to first readmission was 50.3 days (IQR 12.8-173.7). Significant risk factors for readmission included a pre-existing diagnosis of chronic lung disease, congenital heart disease and/or heart failure, prematurity, and new seizures during the index admission. The most common indication for readmission was respiratory illness (46.2%). Mortality (3.3%) and procedural burden during readmission were consistent with general PICU care.

CONCLUSIONS

ICU readmission among children who undergo postarrest tracheostomy is common, usually due to respiratory causes, and involves outcomes and resource use similar to other ICU admissions. Risk factors for readmission are largely nonmodifiable.

Administrative databases

Administrative healthcare databases are created from records of service utilization and payments for payer or hospital billing purposes. Such databases contain large amounts of information on the diagnoses, procedures, resource utilization, and costs or charges of thousands or even millions of patients. However, the patient populations included and data elements available vary widely by database, resulting in different strengths, limitations, and potential uses for each. Therefore, selection of an administrative database should be guided by the research question of interest. This review discusses important considerations when selecting an administrative healthcare database to use to answer a research question and describes key characteristics of the administrative databases most frequently used for pediatric surgical research.

Annual Report on Health Care for Children and Youth in the United States: Focus on 30-Day Unplanned Inpatient Readmissions, 2009 to 2014

OBJECTIVE

To describe trends in unplanned 30-day all-condition hospital readmissions for children aged 1 to 17 years between 2009 and 2014.

METHODS

Analysis was conducted with the 2009-14 Nationwide Readmissions Database from the Agency for Healthcare Research and Quality's Healthcare Cost and Utilization Project. Annual hospital readmission rates, resource use, and the most common reasons for readmission were calculated for the 2009-14 period.

RESULTS

The rate of readmission for children aged 1 to 17 years was essentially stable between 2009 and 2014 (5.5% in 2009 and 5.9% in 2014). In 2009, the most common reason (principal diagnosis) for readmission was sickle cell anemia, whereas in 2014 the most common reason was epilepsy. Pneumonia fell from the second to the sixth most common reason for readmission over this period (from 3832 to 2418 stays). Other respiratory infections were among the top 10 principal readmission diagnoses in 2009, but not in 2014. Septicemia was among the 10 most common reasons for readmission in 2014, but not in 2009. Although the average cost of index (ie, initial) stays with a subsequent readmission were similar in 2009 and 2014, the average cost of index stays without a readmission and cost of readmission stays increased by approximately 23%. In both 2009 and 2014, the average cost of the index stays with a subsequent readmission was 73% to 89% higher than that of the index stays of children who were not readmitted within 30 days. The average cost of index stays preceding a readmission was 33% to 45% higher than average costs for readmitted stays. In 2014, the aggregate cost of index stays plus readmissions was $1.58 billion, with 42.9% of the costs attributable to readmissions. Regarding the average costs and lengths of stay for the 10 most common readmission diagnoses, in 2009 the average cost per stay for complications of devices, implants, or grafts was nearly 5 times greater than that of asthma ($21,200 vs $4500, respectively). In 2014, average cost per stay ranged from $5500 for asthma to $39,500 for septicemia. In 2009, the average length of stay (LOS) for complications of devices, implants, or grafts was more than 3 three times higher than that for asthma (7.8 days vs 2.5 days, respectively), and in 2014, the average LOS for septicemia was nearly 4 times higher than that for asthma (10.4 days vs. 2.6 days).

CONCLUSIONS

This study provides a baseline assessment for examining trends in 30-day unplanned pediatric readmissions, an important quality metric as the provisions of the Children's Health Insurance Program Reauthorization Act and the Affordable Care Act are changed and implemented in the future. More than 50,000 pediatric hospital stays in 2014 occurred within 30 days of a previous hospitalization, with an average cost of $13,800. This report is timely, as the health care system works to become more patient-centered and public and private payers grapple with how to pay for quality care for children. The report provides baseline information that can be used to further explore ways to reduce unplanned readmissions.

Healthcare Utilization after Acute Kidney Injury in the Pediatric Intensive Care Unit

BACKGROUND AND OBJECTIVES

Little is known about the long-term burden of AKI in the pediatric intensive care unit. We aim to evaluate if pediatric AKI is associated with higher health service use post-hospital discharge.

DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS

This is a retrospective cohort study of children (≤18 years old) admitted to two tertiary centers in Montreal, Canada. Only the first admission per patient was included. AKI was defined in two ways: serum creatinine alone or serum creatinine and/or urine output. The outcomes were 30-day, 1-year, and 5-year hospitalizations, emergency room visits, and physician visits per person-time using provincial administrative data. Univariable and multivariable Poisson regression were used to evaluate AKI associations with outcomes.

RESULTS

A total of 2041 children were included (56% male, mean admission age 6.5±5.8 years); 299 of 1575 (19%) developed AKI defined using serum creatinine alone, and when urine output was included in the AKI definition 355 of 1622 (22%) children developed AKI. AKI defined using serum creatinine alone and AKI defined using serum creatinine and urine output were both associated with higher 1- and 5-year hospitalization risk (AKI by serum creatinine alone adjusted relative risk, 1.42; 95% confidence interval, 1.12 to 1.82; and 1.80; 1.54 to 2.11, respectively [similar when urine output was included]) and higher 5-year physician visits (adjusted relative risk, 1.26; 95% confidence interval, 1.14 to 1.39). AKI was not associated with emergency room use after adjustments.

CONCLUSIONS

AKI is independently associated with higher hospitalizations and physician visits postdischarge.

Five-Year Survival and Causes of Death in Children After Intensive Care-A National Registry Study

OBJECTIVES

The aim of the study was to compare long-term mortality and causes of death in children post admission to an ICU with a control population of same age.

DESIGN

Longitudinal follow-up study.

SETTING

Registry study of a national ICU register and hospital registries.

PATIENTS

Children admitted to an ICU in the years 2009 and 2010.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

The mortality and causes of death following ICU discharge were analyzed retrospectively. The median follow-up period was 4.9 years (25-75th percentiles, 4.4-5.5 yr). The causes of death in survivors 30 days after ICU discharge were compared with a cohort of 1 million children of the general population of same age. In total, 2,792 children were admitted to an ICU during the study period. Of those, 53 (1.9%) died in the ICU and 2,739 were discharged. Thirteen children died within 30 days of discharge, and 68 died between 30 days and the end of follow-up (December 31, 2014). In the control population (n = 1,020,407 children), there were 1,037 deaths (0.10%) from 2009 to 2014. The standardized mortality rate for the children admitted to the ICU during the study period was 53.4 (95% CI, 44.7-63.2). The standardized mortality rate for those children alive 1 year after discharge was 16.7 (12.1-22.6). One-year cumulative mortality was 3.3%. The most common causes of death in subjects alive 30 days post ICU were cancer (35.3%), neurologic (17.6%), and metabolic diseases (11.7%), whereas trauma was the most common cause in the control group (45.3%).

CONCLUSIONS

There was an increased risk of death in a cohort of ICU-admitted children even 3 years after discharge. In those who survived 30 days after discharge, medical causes of death were dominant, whereas deaths due to trauma were most common in the control group.

Beyond Survival: Pediatric Critical Care Interventional Trial Outcome Measure Preferences of Families and Healthcare Professionals

OBJECTIVES

To identify, in addition to survival, preferred outcome measures of PICU family care providers and PICU healthcare professionals for interventional trials enrolling critically ill children, and to describe general attitudes of family care providers and healthcare professionals regarding research in the PICU.

DESIGN

Cross-sectional survey examining subject experience with clinical research and personal preferences for outcome measures for a hypothetical interventional clinical trial.

SETTING

PICUs within four academic children's hospitals in the United States and Canada.

SUBJECTS

Two cohorts including family members of critically ill children in PICUs (family care providers) and multidisciplinary staff working in the PICUs (healthcare professionals).

INTERVENTIONS

Administration of a short, deidentified survey.

MEASUREMENTS

Demographic data were collated for the two subject groups. Participants were queried regarding their attitudes related to research conducted in the PICU. In addition to survival, each group was asked to identify their three most important outcomes for an investigation examining whether or not an intervention helps seriously ill children recover.

MAIN RESULTS

Demographics for family care providers (n = 40) and healthcare professionals (n = 53) were similarly distributed. Female respondents (79.8%) predominated. Participants (98.9%) ascertained the importance of conducting research in the PICU, but significant challenges associated with this goal in the high stress PICU environment. Both quality of life and functioning after leaving the hospital were chosen as the most preferred outcome measure, with 77.5% of family care providers and 84.9% of healthcare professionals indicating this choice. Duration of organ dysfunction was identified by 70.0% of family care providers and 40.7% of healthcare professionals as the second most preferred outcome measure.

CONCLUSIONS

In addition to survival, long-term quality of life/functional status and duration of organ dysfunction represent important interventional trial outcome measures for both families of critically ill children, as well as the multidisciplinary team who provides critical care.