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OBJECTIVES: The incidence, as well as the predictors of mortality, for children receiving home mechanical ventilation (HMV) using population-based data in Canada is a current knowledge gap. Our objectives were to describe HMV incidence and mortality rates, and associations of demographic and clinical variables on mortality. METHODS: Using Ontario health and demographic administrative databases, we conducted a retrospective cohort study (April 1, 2003-March 31, 2017) of children aged 0 to 17 years receiving HMV via invasive mechanical ventilation and noninvasive ventilation. We identified children with complex chronic conditions. We used data from Census Canada to calculate incidence rates and Cox proportional hazards modeling to assess for predictors of mortality. RESULTS: We identified 906 children with a mean (SD) crude incidence rate of 2.4 (0.6) per 100 000 for pediatric HMV approvals that increased by 37% over the 14-year study period. Compared with children who were invasively ventilated, we found mortality was associated with noninvasive ventilation (adjusted hazard ratio [aHR], 1.9; 95% confidence interval [CI], 1.3-2.8). Mortality was highest in children from families in the lowest income quintile (aHR, 2.5; 95% CI, 1.5-4.0), those with neurologic impairment complex chronic conditions (aHR, 2.9; 95% CI, 1.4-6.4), those aged 11 to 17 years at HMV initiation (aHR, 1.5; 95% CI, 1.1-2.0), and those with higher health care costs in the 1 year before HMV initiation (aHR, 1.5; 95% CI, 1.3-1.7). CONCLUSIONS: The incidence of children receiving HMV increased substantially over the 14-year period. Demographic variables associated with increased mortality were identified, suggesting areas requiring greater attention for care providers. [ABSTRACT FROM AUTHOR]

To identify current practices related to the assessment, monitoring and discussion of bodyweight, growth and obesity in neuromuscular clinics for children with Duchenne muscular dystrophy (DMD). A cross-sectional, online survey was distributed using snowball sampling to healthcare providers working with children with DMD across Canadian neuromuscular clinics. Summary and descriptive statistics were calculated. Content analysis was performed on open text responses. Thirty-seven responses were received, representing a range of healthcare disciplines. Height and weight were routinely assessed by 32/37 (87%) respondents, although only 21/37 (57%) responses reported having a clinic standard for measuring height and 23/37 (62%) for weight. While 32/36 (89%) reported discussing weight during consultations, only 13/37 (35%) felt confident doing so. Dietitians were considered the most appropriate person to discuss and manage weight with children and families, although only 17/37 (46%) reported having a dietitian involved in their clinic. Neuromuscular clinics could benefit from implementing consistent and recommended growth assessment practices. The development of evidence-based tools, training and protocols tailored to Duchenne muscular dystrophy should be a priority. Growth and weight monitoring approaches vary within and between neuromuscular clinics. Additional training on discussing and managing weight are warranted across disciplines. Advocacy is required to ensure access to dietetic expertise within neuromuscular clinics. [ABSTRACT FROM AUTHOR]

Once this process is complete, the patient appears on the HMV team's patient dashboard and two-way clinical engagement can begin. The LIVE program is an intensive clinical management program delivered via an e-health platform (aTouchAway, Aetonix), creating a circle of care that includes HMV clinical teams, ventilator technology support specialists (the Ontario Ventilator Equipment Pool [ON-VEP]), the patient and their family caregivers. The Long-Term In-Home Ventilator Engagement (LIVE) program in Ontario offers a multicomponent e-health intervention that enables secure, virtual home visits, customizable care plans and clinical workflows for respiratory symptoms and signs, as well as ventilator issues, telemonitoring of oximeters and ventilators and an integrated resource library. Specialist HMV teams identify patients who are at high risk of respiratory exacerbation (i.e., patients who are invasively ventilated and have a rapidly progressive underlying condition and/or are medically fragile). [Extracted from the article]

Objectives To determine whether a change in clinical management (e.g. new tracheostomy or adenotonsillectomy) occurred following a polysomnogram (PSG) in children with medical complexity (CMC) and to explore whether families' goals of care (regarding results and treatment implications) were discussed prior to the completion of a PSG. Methods All CMC enrolled in a complex care program at the Hospital for Sick Children, Canada, who underwent a baseline PSG from 2009 to 2015 were identified. Exclusion criteria included (1) PSGs for ventilation titration and (2) PSGs outside the study time frame. Health records were retrospectively reviewed to determine demographics, medical histories, families' wishes, PSG results, and their impact on clinical care. Descriptive statistics were used to summarize results. Results Of 145 patients identified, 96 patients met inclusion criteria. Fifty (52%) were male. Median age was 3 years. Forty-eight (50%) were diagnosed with clinically significant (i.e. moderate to severe obstructive sleep apnea, central sleep apnea, and/or hypoventilation) sleep-related breathing disorders. Of those diagnosed, 9 (19%) had surgery, 25 (52%) underwent respiratory technology initiation, and 3 (6%) underwent both. In the remaining 11 (23%) patients, treatment was either considered too risky or did not align with the families' wishes. Only 3 of 96 patients had clear documentation of their families' wishes prior to PSG completion. Conclusion Recognizing the burden of medical tests for both the child and the health care system, a process of shared-decision making that includes clarifying a family's wishes may be prudent prior to conducting a PSG. [ABSTRACT FROM AUTHOR]

BACKGROUND: In 2014, the Ministry of Health of Ontario, Canada, approved a program of public funding for specialist-prescribed mechanical insufflation-exsufflation (MI-E) devices for home use by individuals with neuromuscular respiratory insufficiency. Since 2014, 1,926 MI-E devices have been provided, exceeding device-use projections. Few studies describe the initial and ongoing education and support needs of home MI-E users and their family caregivers. This study aimed to explore the requirements of initial and ongoing education and support for MI-E device use, user confidence, and barriers and facilitators to home MI-E. METHODS: We conducted semi-structured interviews with new (< 6 months) and established (6-48 months) MI-E users and family caregivers. Device users rated their confidence on a numeric rating scale of 1 (not confident) to 10 (very confident). RESULTS: We recruited 14 new and 14 established MI-E users and caregivers (including 9 dyads), and we conducted 28 interviews. Both new and established users were highly confident in use of MI-E (mean ± SD scores were 8.8 ± 1.2 and 8.3 ± 2.1, respectively). Overall, the subjects were satisfied with their initial education, which consisted of a 1-2 h one-on-one session at home or in the clinic with a device demonstration and hands-on practice. Subjects viewed hands-on practice and teaching of caregivers as more beneficial than written materials. Ongoing support for device use was variable. Most subjects indicated a lack of specific follow-up, which resulted in uncertainty about whether they were using the MI-E device correctly or whether MI-E was effective. Facilitators to device utilization were ease of use, initial training, support from formal or informal caregivers, and symptom relief. Barriers were inadequate education on MI-E purpose, technique, and benefit; lack of follow-up; and inadequate knowledge of MI-E by nonspecialist health providers. CONCLUSIONS: The current model of home MI-E education at initiation meets user and caregiver needs. Better ongoing education and follow-up are needed to sustain the benefits through assessment of MI-E technique and its effectiveness. [ABSTRACT FROM AUTHOR]

Background: Population trends of disease prevalence and incidence over time measure burden of disease and inform healthcare planning. Neuromuscular disorders (NMD) affect muscle and nerve function with varying degrees of severity and disease progression. Objective: Using health administrative databases we described trends in incidence, prevalence, and mortality of adults and children with NMD. We also explored place of death and use of palliative care. Methods: Population-based (Ontario, Canada) cohort study (2003 to 2014) of adults and children with NMD identified using International Classification of Disease and health insurance billing codes within administrative health databases. Results: Adult disease prevalence increased on average per year by 8% (95% confidence interval (CI) 6% to 10%, P <.001), with the largest increase in adults18-39 years. Childhood disease prevalence increased by 10% (95% CI 8% to 11%, P <.0001) per year, with the largest increase in children 0 to 5 years. Prevalence increased across all diagnoses except amyotrophic lateral sclerosis and spinal muscular atrophy for adults and all diagnoses for children. Adult incidence decreased by 3% (95% CI -4% to -2%, P <.0001) but incidence remained stable in children. Death occurred in 34,336 (18.5%) adults; 21,236 (61.8%) of whom received palliative care. Death occurred in 1,009 (5.6%) children; 507 (50.2%) of whom received palliative care. Mortality decreased over time in adults (odds ratio (OR) 0.86, 95% CI 0.86–0.87, P <.0001) and children (OR 0.79, 95% CI 0.76–0.82, P <.0001). Use of palliative care over time increased for adults (OR 1.18, 95% CI 1.09 to 1.28, P <.0001) and children (OR 1.22, 95% CI 1.20 to 1.23, P <.0001). Conclusions: In both adults and children, NMD prevalence is rising and mortality rates are declining. In adults incidence is decreasing while in children it remains stable. This confirms on a population-based level the increased survival of children and adults with NMD. [ABSTRACT FROM AUTHOR]

Spinal muscular atrophy (SMA) is the most common genetic cause of infant mortality. SMA is a spectral disorder and is categorised based on symptom onset and severity. The median life expectancy for infants with SMA presenting before 6 months of age is less than 2 years without respiratory support. To date, there is no cure for SMA. In June 2017, nusinersen was approved in Canada as the first disease-modifying drug for SMA because of its demonstrated benefits on motor function and survival in clinical trials. However, with a price tag of almost 1 million dollars for the first year of therapy, careful clinical, treatment-based and ethical consideration of the principles of (i) best interests; (ii) universality; (iii) portability; (iv) public administration; (v) accessibility; and (vi) comprehensiveness are important guideposts to ensure transparent and equitable allocation of health-care resources for nusinersen and all other future orphan drugs. [ABSTRACT FROM AUTHOR]

Purpose: No studies have explored the experiences of Canadian mechanical ventilator-assisted adolescents (VAAs) living at home as they transition from paediatric to adult health providers. A better understanding of the needs of this growing population is essential to provide transition services responsive to VAAs and caregiver-identified needs. Methods: We conducted semistructured telephone interviews with adolescents and family caregivers who had recently initiated or completed transition to adult care recruited from three Canadian university-affiliated paediatric home ventilation programs. We analyzed transcripts using a theoretical framework for understanding facilitators and barriers to transition. Results: We interviewed 18 individuals representing 14 episodes of paediatric to adult transition. Participants identified early planning, written informational materials and joint paediatric-adult provider-family transition meetings as facilitators of care transition to adult services and providers. Barriers included insufficient information, limited access to interprofessional (nursing and allied health) providers and reduced funding or health services. Barriers resulted in service disruption and a sense of 'medical homelessness'. While most families related a positive transition to a new 'medical home', families caring for VAAs with moderate-to-severe cognitive and/or physical dependence more commonly reported transition difficulties. Conclusions: Important opportunities exist to enable improvements in the transition experiences of VAAs and their family caregivers. To maximize service continuity during paediatric to adult transition, future research should focus on transition navigator roles, interprofessional health outreach and the needs of families caring for VAAs with cognitive and physical deficits. [ABSTRACT FROM AUTHOR]

Objective/background: Moderate-to-severe obstructive sleep apnea (OSA) is highly prevalent in children with obesity and/or underlying medical complexity. The first line of therapy, adenotonsillectomy (AT), does not cure OSA in more than 50% of these children. Consequently, continuous positive airway pressure (CPAP) is the main therapeutic option but adherence is often poor. A potential alternative which may be associated with greater adherence is heated high-flow nasal cannula (HFNC) therapy; however, its efficacy in children with OSA has not been systematically investigated. The study aimed to compare the efficacy of HFNC with CPAP to treat moderate-to-severe OSA with the primary outcome measuring the change from baseline in the mean obstructive apnea/hypopnea index (OAHI)., Participants/methods: This was a single-blinded randomized, two period crossover trial conducted from March 2019 to December 2021 at a Canadian pediatric quaternary care hospital. Children aged 2-18 years with obesity and medical complexity diagnosed with moderate-to-severe OSA via overnight polysomnography and recommended CPAP therapy were included in the study. Following diagnostic polysomnography, each participant completed two further sleep studies; a HFNC titration study and a CPAP titration study (9 received HFNC first, and 9 received CPAP first) in a random 1:1 allocation order., Results: Eighteen participants with a mean ± SD age of 11.9 ± 3.8 years and OAHI 23.1 ± 21.7 events/hour completed the study. The mean [95% CI] reductions in OAHI (-19.8[-29.2, -10.5] vs. -18.8 [-28.2, -9.4] events/hour, p = 0.9), nadir oxygen saturation (7.1[2.2, 11.9] vs. 8.4[3.5, 13.2], p = 0.8), oxygen desaturation index (-11.6[-21.0, -2.3] vs. -16.0[-25.3, -6.6], p = 0.5) and sleep efficiency (3.5[-4.8, 11.8] vs. 9.2[0.9, 15.5], p = 0.2) with HFNC and CPAP therapy were comparable between conditions., Conclusion: HFNC and CPAP therapy yield similar reductions in polysomnography quantified measures of OSA severity among children with obesity and medical complexities., Trial Registration: NCT05354401 ClinicalTrials.gov., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier B.V. All rights reserved.)

Introduction/aims: Non-invasive ventilation (NIV) is routinely prescribed to support the respiratory system in Duchenne muscular dystrophy (DMD) patients; however, factors improving NIV usage are unclear. We aimed to identify predictors of NIV adherence in DMD patients., Methods: This was a multicenter retrospective analysis of DMD patients prescribed NIV and followed at (1) The Hospital for Sick Children, Canada; (2) Rady Children's Hospital San Diego, USA; and (3) University of California San Diego Health, USA, between February 2016 and October 2020. The primary and secondary outcomes were 90-day period NIV adherence and clinical and socioeconomic predictors of NIV adherence., Results: We identified 59 DMD patients prescribed NIV (mean ± SD age = 20.1 ± 6.7 y). Overall, percentage of nights used, and average nightly usage, were 79.9 ± 31.1% and 7.23 ± 4.12 h, respectively. Compared with children, adults had higher percentage of nights used (92.9 ± 16.9% vs. 70.4 ± 36.9%; P < .05), and average nightly usage (9.5 ± 4.7 h vs. 5.3 ± 3.7 h; P < .05). Non-English language (P = .01), and absence of deflazacort prescription (P = .02) were significantly associated with higher percentage of nights used while Hispanic ethnicity (P = .01), low household income (P = .02), and absence of deflazacort prescription (P = .02) were significantly associated with higher nightly usage. Based on univariable analysis, older age and declining forced vital capacity were associated with increased percentage of nights used and increased average nightly usage., Discussion: Certain clinical and socioeconomic determinants had a significant impact on NIV adherence in DMD patients, providing insight into those at risk for high versus low compliance with respiratory therapy., (© 2023 The Authors. Muscle & Nerve published by Wiley Periodicals LLC.)

Objectives: To describe the current clinical practice patterns of Canadian pediatric respirologists at pediatric tertiary care institutions regarding chronic tracheostomy tube care and management of home invasive ventilation., Methods: A pediatric respirologist/pediatrician with expertise in tracheostomy tube care and home ventilation was identified at each Canadian pediatric tertiary care center to complete a 59-item survey of multiple choice and short answer questions. Domains assessed included tracheostomy tube care, caregiver competency and home monitoring, speaking valves, medical management of tracheostomy complications, decannulation, and long-term follow-up., Results: The response rate was 100% (17/17) with all Canadian tertiary care pediatric centers represented and heterogeneity of practice was observed in all domains assessed. For example, though most centers employ Bivona™ (17/17) and Shiley™ (15/17) tracheostomy tubes, variability was observed around tube change, re-use, and cleaning practices. Most centers require two trained caregivers (14/17) and recommend 24/7 eyes on care and oxygen saturation monitoring. Discharge with an emergency tracheostomy kit was universal (17/17). Considerable heterogeneity was observed in the timing and use of speaking valves and speech-language assessment. Inhaled anti-pseudomonal antibiotics are employed by most centers (16/17) though the indication, agent, and protocol varied by center. Though decannulation practices varied considerably, the requirement of upper airway patency was universally required to proceed with decannulation (17/17) independent of ongoing ventilatory support requirements., Conclusion: Considerable variability in pediatric tracheostomy tube care practice exists across Canada. These results will serve as a starting point to standardize and evaluate tracheostomy tube care nationally., (© 2022 Wiley Periodicals LLC.)

Background: Children using home mechanical ventilation (HMV) live at home with better quality of life, despite financial burden for their family. Previous studies of healthcare utilization and costs have not considered public and private expenditures, including family caregiver time. Our objective was to examine public and private healthcare utilization and costs for children using HMV, and variables associated with highest costs., Methods: Longitudinal, prospective, observational cost analysis study (2012-2014) collecting data on public and private (out-of-pocket, third-party insurance, and caregiving) costs every 2 weeks for 6 months using the Ambulatory Home Care Record. Functional Independence Measure (FIM), WeeFIM, and Caregiving Impact Scale (CIS) were measured at baseline and study completion. Regression modeling examined a priori selected variables associated with monthly costs using Andersen and Newman's framework for healthcare utilization, relevant literature, and clinical expertise. Data are reported in 2015 Canadian dollars ($1CAD = $0.78USD)., Results: Forty two children and their caregivers were enrolled. Overall median (interquartile range) monthly healthcare cost was $12 131 ($8159-$15 958) comprising $9929 (89%) family caregiving hours, $996 (9%) publicly funded, and $252 (2%) out-of-pocket (<1% third-party insurance) costs. With higher FIM score (lower dependency), median costs were reduced by 4.5% (95% confidence interval: 8.3%-0.5%), adjusted for age, sex, tracheostomy, and daily ventilation duration. Note: since the three cost categories did not sum to the total statistically derived median cost, the percentage of each category used the sum of median public + caregiver lost time + private out-of-pocket + third-party insurance as the denominator., Conclusions: For HMV children, most healthcare costs were due to family caregiving costs. More dependent children incur highest costs. The financial burden to family caregivers is substantial and needs to considered in future policy decisions related to pediatric HMV., (© 2020 Wiley Periodicals LLC.)

Objective: Adolescents receiving long-term home mechanical ventilation (HMV) who survive into adulthood must transition to adult health care services. Lack of transition readiness is reported to result in poor health outcomes. The objective of this study is to explore longitudinally the pediatric-to-adult health care transition experience involving a transition program for adolescents receiving HMV including transition readiness, barriers, facilitators, and modifiable features., Design: A prospective qualitative longitudinal interview study of adolescent and family caregiver dyads recruited through a pediatric-to-adult HMV transition program jointly established by two collaborating health centers: The Hospital for Sick Children and West Park Healthcare Centre in Toronto, Canada. Eligible dyads were interviewed at three time points: pretransition, transition, and 12-months posttransition. Interviews were transcribed verbatim and analyzed using directed content analysis methods., Results: Ventilator-assisted adolescents (VAAs) and caregiver participants perceived a lack of transition readiness in their ability to manage health communication and coordination across multiple adult providers. Transition facilitators included early transition discussion, opportunities for VAAs to speak directly with HMV providers during appointments, receipt of print informational materials regarding adult services, and a joint pediatric-adult team handover meeting. Modifiable transition barriers included lack of other specialist referrals, insufficient information about adult homecare service funding, and limited involvement of family doctors. Unresolved transition barriers resulted in perceptions of service fragmentation., Conclusions: Although the pediatric-to-adult HMV transition program conferred benefits service fragmentation was perceived. Transition barriers may be overcome through early planning and staged transition with all specialists, community providers, and the family and adolescent working in collaboration., (© 2020 Wiley Periodicals, Inc.)

Objectives: To investigate variability in pediatric tracheostomy tube care practice patterns and access to resources across Canada., Methods: Canadian pediatric otolaryngologists-head & neck surgeons reported their own practice patterns for children with chronic tracheostomy tubes using a web-based, 29-item multiple choice and short answer questionnaire. Domains investigated included tracheostomy team membership, inpatient care practices, caregiver education, homecare resources, speech and communication, and completeness of emergency tracheostomy kits., Results: The response rate was 86.4% (38/44). Most respondents care for children with tracheostomy tubes as part of an inter-professional team (25/36; 69.4%) and arrange routine follow-up with a speech and language pathologist (22/36; 61.1%). However, the majority (23/34; 67.6%) of respondents do not formally reassess caregiver competencies (i.e. cardiopulmonary resuscitation, emergency tracheostomy care). Notably, respondents were also unsure 36.1% (13/36) of how frequently Shiley tracheostomy tubes should be washed and reused with the majority (15/36; 41.7%) reporting never. Most (15/36; 41.7%) respondents were also unsure of reuse recommendations for Bivona tracheostomy tubes. One third (12/36; 33.3%) of respondents were unsure about government-funded homecare services being provided in their community to children with tracheostomy tubes., Conclusion: There is much variability in pediatric tracheostomy tube care practice patterns across Canada. Results suggest that an evidence-based Canadian clinical practice guideline may help to streamline care provided to Canadian children with tracheostomy tubes., (Copyright © 2018 Elsevier B.V. All rights reserved.)

Background: Obstructive sleep apnea (OSA) is a common disorder estimated at 1-5% in the school-aged children. With the obesity prevalence reaching staggering rates globally, OSA in obese adolescents is estimated to be 4-5-folds higher than their lean peers. There is a paucity of data regarding obesity-related OSA in children 6 years and less. This is particularly relevant as OSA is associated with neurocognitive deficits. The aim of this study is to evaluate the prevalence of OSA among obese toddlers and preschool children and further to determine what other factors may be associated with the presence of OSA., Methods: A retrospective study involving children ≤6 years, identified from two Canadian pediatric tertiary care centers who had an in-lab polysomnography (PSG). Obesity was defined by a BMI of > 95th percentile for age and gender or a z-score of > 2. OSA was diagnosed if the obstructive apnea-hypopnea index (OAHI) was greater than 2 events per hour., Results: There were 60 participants included; the mean age was 4.4 years (standard deviation [SD] ± 1.7), mean BMI z-score was 3.0 (SD ± 1.2). Of these, 22/60 (36.6%) had OSA. Compared with the non-OSA group, the OSA group had a higher Epworth sleepiness score (p = 0.03) and were more likely to snore (p = 0.01)., Conclusion: Young obese children should be assessed for OSA. A history of snoring and daytime sleepiness may be useful indicators to facilitate triage for a PSG, especially in resource-limited settings.

Rationale: Obstructive sleep apnea and intermittent nocturnal oxygen desaturations are highly prevalent in children with sickle cell disease and have been reported to contribute to associated morbidity, including vasoocclusive disease. Hydroxyurea (HU) is increasingly used to treat children with sickle cell disease and has been shown to decrease the number and severity of vasoocclusive crises. Although there has been an increase in the use of HU, the impact of HU on the prevalence of obstructive sleep apnea and nocturnal hypoxia are not well documented., Objectives: To evaluate whether the use of HU is associated with a decreased frequency of obstructive sleep apnea and higher nocturnal and awake oxygen saturations (SaO2) in children with sickle cell disease., Methods: This was a retrospective, cross-sectional review of children with sickle cell disease referred to the sleep laboratory at the Hospital for Sick Children, Toronto, Canada. Polysomnogram data in children with sickle cell disease receiving HU therapy were compared with those not prescribed HU., Measurements and Main Results: Children with sickle cell disease receiving HU therapy (HU group, n = 37) were matched with children not receiving HU (no-HU group, n = 104). Obstructive sleep apnea was diagnosed in 14 of 37 (38%) and 54 of 104 (52%) in the HU group and no-HU groups, respectively (P = 0.14). The median obstructive apnea-hypopnea index was 0.9 and 1.9 events/h in the HU group and the no-HU group, respectively (P = 0.28). The HU group compared with the no-HU group had a significantly higher median awake SaO2 (98.6 and 96.2%, respectively; P < 0.0001), a significantly higher median sleep SaO2 (98.4 and 96.1%, respectively; P < 0.001), and a significantly higher nadir SaO2 while asleep (91.4 and 85.0%, respectively; P = 0.0002)., Conclusions: In children with sickle cell disease, the use of HU was associated with an increase in awake and nocturnal SaO2, despite there being no difference in the frequency of obstructive sleep apnea and the severity of the obstructive apnea-hypopnea index. Improving nocturnal SaO2 may be an important mechanism of action of HU therapy. The use of HU to improve nocturnal saturations across the severity spectrum of sickle cell disease may be beneficial in decreasing morbidities related to sickle cell disease.

Objective: To assess the diagnostic and surveillance practices of Canadian pediatric subspecialists for children with congenital central hypoventilation syndrome (CCHS)., Methods: The present analysis was a prospective cross-sectional study. A web-based survey was sent to 303 pediatric subspecialists in Canada: 85 pediatric respirologists, 77 pediatric neurologists and 141 neonatologists. The survey included 36 questions about the current diagnostic and surveillance management of pediatric CCHS. Differences in responses among respirologists, neurologists and neonatologists were evaluated for each question, where feasible, and responses were compared with the 2010 American Thoracic Society (ATS) Clinical Policy Statement for CCHS., Results: A total of 83 (27%) participants responded to the survey; the highest survey response rate (40%) was from respirologists. For the diagnosis of CCHS, 25% of respondents did not order genetic testing, either alone or with another test, to make a diagnosis of CCHS. The criteria and tests recommended by the ATS to make a diagnosis of CCHS - genetic testing, diagnosis of exclusion, polysomnogram and plus or minus a hypercapnic challenge - were ordered by 23 (43%) of the 54 respondents. Although polysomnograms were ordered for more than 90% of children with CCHS, only 37% of respirologists aimed for a carbon dioxide range of 35 mmHg to 40 mmHg during polysomnogram titrations., Conclusions: The results demonstrate variability in the diagnostic and surveillance practices of pediatric subspecialists in children with CCHS across Canada. The present study provides an initial needs assessment and demonstrated that there are significant deviations in practice from the 2010 ATS guidelines.