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To decrease the percentage of patients undergoing an abdominal radiograph for evaluation of constipation within 24 hours of their initial gastroenterology visit.In January 2015, we implemented a quality improvement, evidence-based guideline (EBG) aimed at standardizing the initial assessment of patients presenting for a new outpatient gastroenterology visit with a primary complaint of constipation. Over the subsequent 5 years, we followed the clinical impact of this guideline initiation with the goal of decreasing unnecessary abdominal radiograph use by 10% within 1 year of EBG launch. Patients older than 6 months and younger than 19 years were included.In total, 6723 patients completed new patient gastroenterology visits for a primary diagnosis of constipation between 2013 and 2019. Of these, 993 (14.8%) patients had abdominal radiographs taken within 24 hours of their initial visit. Over the 7 years of this project, a mean frequency of abdominal radiograph use decreased from 24% to less than 11%. In addition, a 57% decrease in hospital charges related to decreased radiograph use for constipation was found. No increases in subsequent emergency department visits or hospitalization for constipation within 30 days of patients' initial visits were seen.Through local adoption of an EBG, routine use of abdominal radiographs taken during a patient's initial outpatient gastroenterology visit for constipation decreased by more than 50%. This reduction was maintained over a subsequent 5-year period without any detrimental side effects.

The objective of the study was to examine child deaths in motor vehicle crashes by rurality, restraint use, and state child passenger restraint laws.2015-2019 Fatality Analysis Reporting System data were analyzed to determine deaths and rates by passenger and crash characteristics. Optimal restraint use was defined using age and the type of the restraint according to child passenger safety recommendations.Death rates per 100 000 population were highest for non-Hispanic Black (1.96; [1.84, 2.07]) and American Indian or Alaska Native children (2.67; [2.14, 3.20]) and lowest for Asian or Pacific Islander children (0.57; [0.47, 0.67]). Death rates increased with rurality with the lowest rate (0.88; [0.84, 0.92]) in the most urban counties and the highest rate (4.47; [3.88, 5.06]) in the most rural counties. Children who were not optimally restrained had higher deaths rates than optimally restrained children (0.84; [0.81, 0.87] vs 0.44; [0.42, 0.46], respectively). The death rate was higher in counties where states only required child passenger restraint use for passengers aged ≤6 years (1.64; [1.50, 1.78]) than that in those requiring child passenger restraint use for passengers aged ≤7 or ≤8 years (1.06; [1.01, 1.12]).Proper restraint use and extending the ages covered by child passenger restraint laws reduce the risk for child crash deaths. Additionally, racial and geographic disparities in crash deaths were identified, especially among Black and Hispanic children in rural areas. Decision makers can consider extending the ages covered by child passenger restraint laws until at least age 9 to increase proper child restraint use and reduce crash injuries and deaths.

PURPOSE: To evaluate genetic contributions to sudden unexpected death in pediatrics (SUDP). METHODS: We phenotyped and performed exome sequencing on 352 SUDP cases. We analyzed for variants in 294 “SUDP genes” with mechanisms plausibly related to sudden death. In a subset of 73 cases with parental data (trios), we performed exome-wide analyses. We conducted cohort-wide burden analyses. RESULTS: In total, we identified likely contributory variants in 37/352 probands (11%). Analysis of SUDP genes identified pathogenic/likely pathogenic (P/LP) variants in 12/352 cases (SCN1A, DEPDC5[2], GABRG2, SCN5A[2], TTN[2], MYBPC3, PLN, TNNI3, and PDHA1) and variants of uncertain significance-favor pathogenic (VUS-FP) in 17/352. Exome-wide analyses of the 73 cases with family data additionally identified 4 de novo P/LP variants (SCN1A[2], ANKRD1, and BRPF1) and 4 de novo VUS-FP. Comparing cases vs. controls, we demonstrated an excess burden of rare damaging SUDP gene variants (OR 2.94; 95% CI, 2.37-4.21) and of de novo variants exome-wide in the subset of 73 with trio data (OR 3.13; 95% CI, 1.91-5.16). CONCLUSION: We provide strong evidence for a role of genetic factors in SUDP, involving both candidate genes and novel genes for SUDP, and expand phenotypes of disease genes not previously associated with sudden death.

To describe the epidemiology of pericardial effusion in hospitalized children and evaluate risk factors associated with the drainage of pericardial effusion and hospital mortality.A retrospective study of a national pediatric discharge database.We analyzed hospitalized pediatric patients from the neonatal age through 20 years in the Kids' Inpatient Database 2016, extracting the cases of pericardial effusion. Of the 6 266 285 discharged patients recorded, 6417 (0.1%) were diagnosed with pericardial effusion, with the highest prevalence of 2153 patients in teens (13-20 years of age). Pericardial effusion was drained in 792 (12.3%), and the adjusted risk of pericardial drainage was statistically low with rheumatologic diagnosis (OR, 0.485; 95% CI, 0.358-0.657, P .001). The overall mortality in children with pericardial effusion was 6.8% and 10.9% of those who required pericardial effusion drainage (P .001). The adjusted risk of mortality was statistically high with solid organ tumor (OR, 1.538; 95% CI, 1.056-2.239, P = .025) and pericardial drainage (OR, 1.430; 95% CI, 1.067-1.915, P = .017) and low in all other age groups compared with neonates, those with cardiac structural diagnosis (OR, 0.322; 95% CI, 0.212-0.489, P .001), and those with rheumatologic diagnosis (OR, 0.531; 95% CI, 0.334-0.846, P = .008).The risk of mortality in hospitalized children with pericardial effusion was higher in younger children with solid organ tumors and those who required pericardial effusion drainage. In contrast, it was lower in older children with cardiac or rheumatologic diagnoses.

To evaluate national trends in health care transition preparation over a 4-year period using the National Survey of Children's Health (NSCH) and to identify and examine disparities in receipt of health care transition preparation over the study period.Data from the NSCH, an annual serial cross-sectional survey conducted from 2016 to 2019, were examined. Caregivers answered questions regarding one of their children within each of a random sample of households across the US. The primary analysis examined trends in health care transition preparation based on the year of survey completion. A secondary analysis examined the associations of race/ethnicity, primary household language, insurance type, and children with special health care needs (CSHCN) with receipt of health care transition preparation.We included data from 54 434 youths (20 708 in 2016, 8909 in 2017, 12 587 in 2018, and 12 230 in 2019) aged 12-17 years whose caregivers completed the NSCH between 2016 and 2019. The sample was weighted to be nationally representative based on weights provided by the NSCH. The proportion of youths receiving necessary health care transition preparation increased over the study period, from 14.8% in 2016 to 20.5% in 2019 (P .001). Multivariable logistic regression demonstrated increased odds of receiving health care transition preparation in 2018 and 2019, as well as for White non-Hispanic youths, those with English or Spanish as a primary household language, those with private insurance, and CSHCN.Although the proportion of youths receiving health care transition preparation has increased since 2016, the need for ongoing improvement and elimination of disparities in health care transition preparation remains.

To compare prenatal exposures, hospital care processes, and hospitalization outcomes for opioid-exposed newborns before and during the coronavirus disease 2019 (COVID-19) pandemic.In this multicenter retrospective analysis, data were collected from 19 Massachusetts hospitals, including 5 academic and 14 community hospitals. The pre-COVID-19 cohort was defined as births occurring during March 1, 2019-February 28, 2020, and the COVID-19 cohort was defined as births occurring during March 1, 2020-December 31, 2020. Opioid-exposed newborns born at ≥35 weeks of gestation were included. Differences in prenatal substance exposures, hospital care processes, and neonatal opioid withdrawal syndrome (NOWS) outcomes, including pharmacologic treatment for NOWS (PharmTx), length of stay (LOS), and as-needed (prn) treatment failure rates, were evaluated.There were 663 opioid-exposed newborns in the pre-COVID-19 group and 476 in the COVID-19 group. No between-group differences were seen in prenatal substance exposures or the need for PharmTx. Compared with the pre-COVID-19 group, in the COVID-19 group there was less rooming-in after maternal discharge (53.8% vs 63.0%; P = .001) and less care in the pediatric unit setting (23.5% vs 25.3%; P = .001), longer LOS (adjusted risk ratio, 1.04; 95% CI, 1.01-1.08), and a higher rate of breast milk receipt at discharge (aOR, 2.03; 95% CI, 1.22-3.39). Within the subset of academic centers, more infants failed prn treatment in the COVID-19 group (53.8% vs 26.5%, P = .02; aOR, 3.77; 95% CI, 0.98-14.5).Among the hospitals in our collaborative, hospital processes for NOWS, including care setting, rooming-in, and LOS were negatively impacted in the COVID-19 group, particularly in academic medical centers.

To describe the cardiac magnetic resonance (MR) findings of children recovered from multisystem inflammatory syndrome in children (MIS-C) longer than 3 months after acute illness.We performed a retrospective cohort study of children hospitalized with MIS-C at a single institution receiving cardiac MR imaging between July 2020 and May 2021. Patient demographics, echocardiogram data from diagnosis through follow-up, and cardiac MR data obtained at approximately 3 months after hospitalization were recorded.In total, 51 children with a median age of 11.3 years were included; 80% of patients had left ventricular ejection fraction55%, 65% of patients developed valvular regurgitation, and 20% of patients developed coronary artery dilation during acute illness. Cardiac MR was performed at a median time of 105 days after diagnosis; 8% of patients had left ventricular ejection fraction55%; 1 patient had residual valvular regurgitation; and 2 patients had residual coronary artery dilation. Two of 51 patients were found to have late gadolinium enhancement, T1 mapping abnormalities, and abnormal or borderline extracellular volume calculations suggesting myocardial fibrosis. No patient had T2 mapping abnormalities corresponding with edema, and no patient met the modified Lake Louise criteria for acute myocarditis; 10 of 51 patients had isolated elevated T1 values.At 3-5 months following diagnosis, cardiac MR reveals no evidence of acute myocarditis as described by the modified Lake Louise criteria in patients with MIS-C. Two patients were observed to have myocardial fibrosis without regional wall motion abnormalities, and 10 had isolated imaging changes (elevated T1 values) in the absence of macroscopic fibrosis.

To evaluate the association between the Child Opportunity Index (COI) and food insecurity.This was a secondary analysis of a comprehensive screening instrument for social determinants of health and behavioral health risks. It was administered in 2 urban pediatric emergency departments to adolescents aged 13-21 years and caregivers of children aged 0-17 years. Food insecurity was assessed using the 2-item Hunger Vital Sign. Residential addresses were geocoded and linked with COI data. Bivariable and multivariable logistic regression models were developed to measure the relationship between COI and food insecurity.Of the 954 participants (384 adolescents, 570 caregivers) who underwent screening, 15.7% identified food insecurity (14.3% of adolescent and 16.7% of caregiver participants). The majority of participants were non-Hispanic Black (overall, 62.3%; food secure, 60.9%; food insecure, 72.0%), were publicly insured (overall, 56.6%; food secure, 53.1%; food insecure, 73.3%), and lived in neighborhoods of low/very low opportunity (overall, 76.9%; food secure, 74.7%; food insecure, 88.3%). In adjusted analyses, participants living in neighborhoods of low/very low child opportunity had 3-fold greater odds of being food insecure compared with children living in neighborhoods of high child opportunity (aOR, 3.0; 95% CI, 1.4-6.3).We demonstrate that food insecurity is associated with lower neighborhood opportunity. Our results could inform future screening initiatives and support the development of novel, place-based interventions to tackle the complex issue of food insecurity.

To study the association between neighborhood risk and moderate to severe neurodevelopmental impairment (NDI) at 22-26 months corrected age in children born at34 weeks of gestation. We hypothesized that infants born preterm living in high-risk neighborhoods would have a greater risk of NDI and cognitive, motor, and language delays.We studied a retrospective cohort of 1291 infants born preterm between 2005 and 2016, excluding infants with congenital anomalies. NDI was defined as any one of the following: a Bayley Scales of Infant and Toddler Development-III Cognitive or Motor composite score85, bilateral blindness, bilateral hearing impairment, or moderate-severe cerebral palsy. Maternal addresses were geocoded to identify census block groups and create high-risk versus low-risk neighborhood groups. Bivariate and regression analyses were run to assess the impact of neighborhood risk on outcomes.Infants from high-risk (n = 538; 42%) and low-risk (n = 753; 58%) neighborhoods were compared. In bivariate analyses, the risk of NDI and cognitive, motor, and language delays was greater in high-risk neighborhoods. In adjusted regression models, the risks of NDI (OR, 1.43; 95% CI, 1.04-1.98), cognitive delay (OR, 1.62; 95% CI, 1.15-2.28), and language delay (OR, 1.58; 95% CI, 1.15-2.16) were greater in high-risk neighborhoods. Breast milk at discharge was more common in low-risk neighborhoods and was protective of NDI in regression analysis.High neighborhood risk provides an independent contribution to preterm adverse NDI, cognitive, and language outcomes. In addition, breast milk at discharge was protective. Knowledge of neighborhood risk may inform the targeted implementation of programs for socially disadvantaged infants.

To optimize the permethrin-based therapies for scabies infestations in infants and young children, the efficacies of 3 different regimens were evaluated.The retrospective analysis encompassed 85 infants and children aged4 years with scabies. The children had received either topical permethrin 5% on the entire body on days 1/8, on days 1/8/15, on days 1/8/15 plus interim applications restricted to hands and feet on days 2/3/4//9/10/11, or alternative treatments.The intensified regimen, consisting of full-body permethrin applied on days 1/8/15 and hands/feet on days 2/3/4//9/10/11, resulted in cure of scabies in 73.5% of the cases. The cure rates were significantly greater compared with full-body permethrin given on days 1/8, which led to eradication in 44%, and were greater compared with the clearance in children who had received full-body permethrin on days 1/8/15 (53.8%) or alternative treatments (60%). For patients in whom permethrin had previously been applied, the intensified regimen resulted in eradication of scabies in 71.4% of the cases, compared with 30% and 55.6% after full-body permethrin on days 1/8 and 1/8/15, respectively.The intensified regimen of full-body permethrin plus interim applications on hands/feet, which aims at reducing the number of mites present on the frequently heavily infested palmoplantar sites in addition to the standard entire body application, appears efficacious in curing scabies in young children.

To test whether a policy approach aimed at decreasing prescription drug misuse, specifically, state monitoring of controlled substance prescriptions-prescription drug monitoring programs (PDMPs)-were associated with changes in Child Protective Services-reported maltreatment prevalence.Using a difference-in-differences design and maltreatment data (2004-2018) from 50 states and the District of Columbia, we compared the prevalence of total maltreatment incidents and total victims, in states with and without PDMPs, before and after implementation. Exploratory analyses further examined models disaggregated by maltreatment type (neglect, physical abuse, sexual abuse, psychological abuse) and among different racial/ethnic groups. Quasi-Poisson models included state-level covariates, state- and year-fixed effects, and cluster-robust standard errors.Difference-in-differences models identified greater relative reductions in PDMP states relative to controls (total prevalence ratio, 0.87; 95% CI, 0.80, 0.940; victimization prevalence ratio, 0.92; 95% CI, 0.85-0.98) over the observation period. Decreases seemed to be driven by changes in neglect (prevalence ratio, 0.87; 95% CI, 0.80-0.93) and physical abuse (prevalence ratio, 0.78; 95% CI, 0.71-0.87) incidents, and may have been especially salient for American Indian/Alaskan Native children (prevalence ratio, 0.78; 95% CI, 0.65-0.94).We found evidence supporting an association between prescription drug monitoring and reduced maltreatment prevalence at the state level. Policies aimed at restricting the prescribing and dispensing of controlled substances may have indirect implications for child welfare.

Objectives To assess how clinicians discuss the diagnosis of somatic symptom and related disorders (SSRDs) in patients admitted to a children's hospital and explore the effect of parent and patient acceptance of the diagnosis on recovery. Study design In this cross-sectional study, we reviewed the electronic medical records of pediatric admissions diagnosed with SSRD over 18 months. All diagnostic discussions with patients and families were analysed to identify concepts used by clinicians within these discussions and the extent of parent and patient acceptance of the diagnosis. Recovery status up to 12 months after diagnosis was also identified. Acceptance and recovery were categorized as “full,” “partial,” or “none.” Results Ninety-five of 123 (77.2%) patients (median age 14.3 years, range 7.3-18.3) had at least 1 diagnostic discussion recorded. Clinical explanations within the diagnostic discussion spanned a variety of concepts, with the most common being a description of somatization (62%). Full parent acceptance of the diagnosis of SSRD was more likely when discussions involved two parents (P = .002). Full acceptance of the diagnosis by at least 1 parent was associated with complete functional recovery in their children (OR 8.94, 95% CI 2.24, 35.9, P = .002). In contrast, there was no significant association between full acceptance by patients and their recovery. Conclusion The influence of parent acceptance of the diagnosis of SSRD reinforces the importance of therapeutic engagement with families, as well as with children and adolescents.

Objective To determine changes in mitochondrial DNA (mtDNA) copy number in peripheral blood in Rett syndrome caused by methyl-CpG-binding protein-2 (MECP2) variants and explore the mechanism of mitochondrial dysfunction in Rett syndrome. Study design Female patients who were diagnosed with Rett syndrome and had an MECP2 variant (n = 142) were recruited in this study, along with the same number of age- and sex-matched healthy controls. MtDNA copy number was quantified by real-time quantitative polymerase chain reaction with TaqMan probes. The differences in mtDNA copy number between the Rett syndrome group and the control group were analyzed using the independent-samples t test. Linear regression, biserial correlation analysis, and one-way ANOVA were applied for the correlations between mtDNA copy number and age, clinical severity, variant types, functional domains, and hot-spot variants. Results MtDNA copy number was found to be significantly increased in the patients with Rett syndrome with MECP2 gene variants compared with the control subjects. Age, clinical severity, variant types, functional domains, and hot-spot variants were not related to mtDNA copy number in patients with Rett syndrome. Conclusions MtDNA copy number is increased significantly in patients with Rett syndrome, suggesting that changes in mitochondrial function in Rett syndrome trigger a compensatory increase in mtDNA copy number and providing new possibilities for treating Rett syndrome, such as mitochondria-targeted therapies.

Objective To systematically describe the short stature of patients with Diamond-Blackfan anemia and to explore factors affecting the height development of patients with Diamond-Blackfan anemia. Study design This cross-sectional study was conducted at the Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, and the height, weight, and clinical data of 129 patients with Diamond-Blackfan anemia were collected from June 2020 to September 2020. Results The median height-age-z score (HAZ) of children affected by Diamond-Blackfan anemia was −1.54 (−6.36-1.96). Short stature was found in 37.98% of the patients. Specific Diamond-Blackfan anemia growth curves were developed for weight, height, and body mass index, separately for male and female patients. Multivariable logistic regression models showed that female sex (aOR 4.92; 95% CI 1.29-18.71; P = .0195), underweight (aOR 10.41, 95% CI 1.41-76.98, P = .0217), cardiovascular malformations (aOR 216.65; 95% CI 3.29-14279.79; P = .0118), and RPL11(aOR 29.14; 95% CI 1.18-719.10; P = .0392) or RPS26 (aOR 53.49; 95% CI 1.40-2044.30; P = .0323) mutations were independent risk factors for short stature. In the subgroup of patients who were steroid-dependent, patients with a duration of steroid therapy over 2 years (OR 2.95; 95% CI 1.00-8.66; P = .0494) or maintenance dose of prednisone >0.1 mg/kg per day (OR 3.30; 95% CI 1.02-10.72; P = .0470) had a higher incidence of short stature. Conclusions Patients with Diamond-Blackfan anemia had a high prevalence of short stature. The risk of short stature increased with age and was associated with sex, underweight, congenital malformations, and RPL11 or RPS26 mutations. The duration of steroid therapy and maintenance dose of steroid was significantly associated with the incidence of short stature in steroid-dependent patients with Diamond-Blackfan anemia.

OBJECTIVE To assess the degree to which heavy menstrual bleeding is associated with depression, independent of hormonal contraception. STUDY DESIGN We performed a retrospective cohort study of 1168 female adolescents 9-18 years old presenting to general pediatricians for heavy menstrual bleeding or well visits. Depression was the primary outcome and defined as a diagnosis in the health record. Univariable and multivariable regression models were fit to the data to identify factors associated with depression diagnosis. RESULTS In total, 581 adolescents with heavy menstrual bleeding and 587 without heavy menstrual bleeding were included. Depression diagnoses occurred with greater frequency in youth with heavy menstrual bleeding compared with those without heavy menstrual bleeding (50.9% vs 24.2% P

Using case examples and other common scenarios, the authors outline several types of moral distress that clinicians may experience when providing pediatric gender-affirming care. The authors also offer strategies for managing moral distress and issue a call to action for professional organizations to enhance support for gender-affirming clinicians.

Objective To determine the prevalence of adverse childhood experiences (ACEs) and healthcare utilization patterns of children seen in pediatric emergency departments (PEDs). Study design In this cross-sectional study, caregivers of patients who presented to 2 urban PEDs completed a survey regarding their children's ACEs, health care utilization patterns, and acceptance of PED-based ACEs screening and resources. Inclusion criteria were English-speaking caregivers of patients 0-17 years of age not requiring acute stabilization. Prevalence estimates were compared with national and state data from the National Survey of Children's Health by calculating risk differences and 95% CIs. The association of cumulative ACEs with caregiver-reported health care utilization patterns was evaluated using ORs. Results Among 1000 participants, 28.1% (95% CI 25.3-30.9) had 1 ACE; 17.8% (95% CI15.4-20.2) had ≥2 ACEs. Notably, children with higher cumulative ACEs were seen in the PED more frequently (0, 1, ≥2 visits) (OR 1.18, 95% CI 1.06-1.30, P = .002) and more likely to seek care in PEDs for sick visits (OR 1.16, 95% CI 1.04-1.30, P = .01). About 9% of children exposed to ACEs did not have a primary care provider. Over 85% of caregivers reported never discussing ACEs with their primary care provider. Most caregivers felt comfortable addressing ACEs in PEDs (84.4%) and would use referral resources (90.4%). Conclusions Given higher PED utilization in children with more ACEs and caregiver acceptance of PED-based screening and intervention, PEDs may represent a strategic and opportune setting to both assess and respond to ACEs among vulnerable populations.

Using a clinically actionable threshold for alanine aminotransferase to define suspected nonalcoholic fatty liver disease in US children with obesity, the risk of suspected nonalcoholic fatty liver disease was highest for Asian and Hispanic race/ethnicity, male sex, and severe obesity.

Objective To compare the effectiveness of a 4-week precision vestibular rehabilitation intervention compared with a behavioral management control intervention for adolescents with vestibular symptoms/impairment within 21 days of a concussion. Study design This study used double-blind, randomized controlled trial design involving adolescent (12-18 years) patients with a diagnosed sport/recreation-related concussion with vestibular symptoms/impairment from a concussion-specialty clinic between October 2018 and February 2020. Eligible participants were randomized in a 1:1 to either a 4-week vestibular intervention group (VESTIB) or a behavioral management control group (CONTROL). CONTROLS (n = 25) were prescribed behavioral management strategies (eg, physical activity, sleep, hydration, nutrition, stress management) and instructed to perform stretching/physical activity (eg, walking, stationary cycle) 30 minutes/day. VESTIB (n = 25) were prescribed precision vestibular rehabilitation exercises and instructed to perform at-home exercises for 30 minutes/day. Primary outcomes were improvement in Vestibular/Ocular Motor Screening vestibular items (ie, horizontal/vertical vestibular-ocular reflex, visual motion sensitivity) at 4 weeks postenrollment. Results We screened 310 and enrolled a total of 55 (18%) adolescent patients who were randomized to one of the interventions. Fifty of fifty-five (91%) participants completed all aspects of the study protocol. Participants in VESTIB improved significantly across the intervention period in horizontal (mean difference-1.628; 95% CI [-3.20, −0.06]; P = .04) and vertical (mean difference-2.24; 95% CI [-4.01, −0.48]; P = .01) vestibular-ocular reflex, but not visual motion sensitivity (mean difference-2.03; 95% CI [-4.26, 0.19]) of the Vestibular/Ocular Motor Screening score compared with CONTROLS. Conclusions Overall, the vestibular intervention group experienced greater clinical improvements in vestibular symptoms/impairment than controls across the 4-week intervention. Trial Registration ClinicalTrials.gov : NCT03555370.

OBJECTIVES: To assess the association between age of juice introduction and child anthropometry after the American Academy of Pediatrics changed their guidelines in 2017 to recommend delaying juice introduction until at least 12 months of age (previously 6 months), citing concerns of weight gain. STUDY DESIGN: Upstate KIDS is a prospective birth cohort with follow-up through 9 years. Juice introduction was assessed on parental questionnaires at 4–18 months and categorized as

Objective To examine the associations between post-traumatic stress of parents of infants with complex congenital heart defects and their healthcare use for their infants during the early months of life. Study design The current study is a secondary data analysis from a randomized controlled trial in which 216 parent–infant dyads were recruited from 3 cardiac intensive care units of large pediatric centers in Northeastern America. The current sample included 153 dyads with post-traumatic stress data at hospital discharge and at 4-months’ follow-up. Poisson regressions were used to estimate the effect of post-traumatic stress change scores on number of emergency department (ED) visits, unscheduled cardiologist visits, and unscheduled pediatrician visits outcomes. Results Infants whose parents gained post-traumatic stress disorder over the study period were at increased risk for ED visits and unscheduled cardiologist visits. Increased symptom severity predicted more unscheduled cardiologist visits and more unscheduled pediatrician visits. Increased symptom clusters (avoidance, arousal, re-experiencing) predicted more ED visits, more unscheduled cardiologist visits, and more unscheduled pediatrician visits. Conclusions Parents of infants with cardiac conditions may experience post-traumatic stress following cardiac surgery, which can be linked to greater healthcare use. Findings highlight the importance of screening and treating post-traumatic stress to preserve parental mental health and prevent adverse outcomes.