Publications by authors named "Chloe Joynt"

Objective: The design, implementation and audit of a multidisciplinary advanced neonatal resuscitation education initiative for "in unit" events in a quaternary NICU over a 9-year period, divided into 3-year epochs of "pre", "implementation" and "maintenance" is described.

Study Design: A didactic and simulation quality improvement initiative focused on teaching and reinforcing specific algorithms endorsed by the American Heart Association (AHA) to target resuscitation needs of older neonates including surgical and cardiac conditions. Qualitative and quantitative data pre and post implementation was audited.

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Article Synopsis
  • - The study analyzed outcomes of pediatric patients who underwent tracheal reconstruction for congenital stenosis over a 10-year period, focusing on mortality and complications post-surgery.
  • - A total of 33 patients, aged 1 day to 12 years, were included, and while they had various preoperative health issues, there were no deaths reported during the follow-up.
  • - The findings suggest that despite the complexity of the procedures and potential for significant postoperative challenges, there have been notable improvements in survival rates and outcomes in congenital tracheal reconstruction.
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Article Synopsis
  • A study implemented a fetal echocardiography-based algorithm in 2013 to manage high-risk fetuses with cardiac disease, ensuring prompt delivery in a pediatric cardiac operating room to address potential cardiorespiratory issues at birth.
  • Over a span from January 2013 to March 2022, 40 high-risk cases were identified, with a successful delivery in 33 cases, while fetal echocardiography demonstrated a significant ability to predict the need for intervention in these critical situations.
  • The results highlighted the effectiveness of fetal echocardiography, showing varied predictive values for different conditions, particularly with d-transposition of the great arteries and hypoplastic left heart syndrome, emphasizing its role in
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Introduction: Infants born with critical congenital heart defects (CCHDs) have unique transitional pathophysiology that often requires special resuscitation and management considerations in the delivery room (DR). While much is known about neonatal resuscitation of infants with CCHDs, current neonatal resuscitation guidelines such as the neonatal resuscitation programme (NRP) do not include algorithm modifications or education specific to CCHDs. The implementation of CCHD specific neonatal resuscitation education is further hampered by the large number of healthcare providers (HCPs) that need to be reached.

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Introduction: Our objective was to compare neonatal outcomes and resource use of neonates born to mothers with SARS-CoV-2 positivity during pregnancy with neonates born to mothers without SARS-CoV-2 positivity.

Methods: We conducted a two-country cohort study of neonates admitted between January 1, 2020, and September 15, 2021, to tertiary neonatal intensive care unit (NICU) in Canada and Sweden. Neonates from mothers who were SARS-CoV-2 positive during pregnancy were compared with three randomly selected NICU neonates of mothers who were not test-positive, matched on gestational age, sex, and birth weight (±0.

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Importance: There are limited high-quality, population-level data about the effect of SARS-CoV-2 infection on pregnancy using contemporaneous comparator cohorts.

Objectives: To describe maternal and perinatal outcomes associated with SARS-CoV-2 infection in pregnancy and to assess variables associated with severe disease in the pregnant population.

Design, Setting, And Participants: CANCOVID-Preg is an observational surveillance program for SARS-CoV-2-affected pregnancies in Canada.

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Argininosuccinate lyase (ASL) deficiency is a rare autosomal recessive urea cycle disorder. The severe neonatal-onset form is characterised by hyperammonaemia in the first days of life and manifests with a variety of severe symptoms. However, an index of suspicion for additional or alternative diagnoses must be maintained when the patient's presentation is out of keeping with expected manifestations and course.

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Objective: This study investigates the influence of timing of surgery among infants with congenital heart disease and active respiratory tract infections in a contemporary Western Canadian cohort.

Methods: This was a retrospective matched cohort study of infants aged 1 week to 6 months undergoing surgical repair of congenital heart disease between 2014 and 2017. Case patients had active respiratory tract infections preoperatively and were matched to control patients based on primary heart lesion.

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Respiratory failure is a common condition faced by critically ill neonates with respiratory distress syndrome (RDS). High frequency oscillatory ventilation (HFOV) is often used for neonates with refractory respiratory failure related to RDS. Volume guarantee (VG) mode has been added to some HFOV ventilators for providing consistent tidal volume.

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Background: Neonates admitted to cardiac and surgical neonatal intensive care units (NICUs) are at an increased risk of requiring emergency lifesaving interventions that require the use of both Neonatal Resuscitation Program (NRP) and Pediatric Advanced Life Support (PALS) algorithms. Clinicians working within the surgical NICU must be able to access emergency equipment and medications quickly in order to respond to critical situations. A crash cart that integrates human factors principles and supports both the NRP and PALS algorithms is necessary to promote patient safety for this high-risk population.

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Background: Skin-to-skin care (SSC) has been integrated as an essential component of developmental care for preterm infants. Despite documented benefits, SSC is not routinely practiced in the cardiac and surgical neonatal intensive care unit, with a predominantly term population, due to staff apprehension, patient factors and acuity, and environmental constraints.

Purpose: The purpose of this quality improvement project was to increase SSC, parental holds, and parent touch events for infants in our cardiac and surgical neonatal intensive care unit.

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Premature neonates with low birth weight have always posed a huge management dilemma, even for teams with great expertise. In this case report, we discuss a premature neonate born with extremely low birth weight diagnosed with critical coarctation of aorta and the challenges faced in stabilizing the neonate. As per our literature review, this is the smallest neonate, weighing only 680 g, to have undergone successful repair of coarctation of aorta through posterolateral thoracotomy.

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Asphyxiated neonates often have hypotension, shock, and poor tissue perfusion. Various "inotropic" medications are used to provide cardiovascular support to improve the blood pressure and to treat shock. However, there is incomplete literature on the examination of hemodynamic effects of these medications in asphyxiated neonates, especially in the realm of clinical studies (mostly in late preterm or term populations).

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A male infant with oesophageal atresia and distal tracheo-oesophageal fistula (TEF type C) underwent right thoracotomy and transpleural repair of TEF on day 4 of life. He did not have a family history of coagulation disorders. A preoperative finding of prolonged partial thromboplastin time (PTT)>200 s was overlooked, and he went to surgery.

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Preterm neonates often have hypotension which may be due to various etiologies. While it is controversial to define hypotension in preterm neonates, various vasoactive medications are commonly used to provide the cardiovascular support to improve the blood pressure, cardiac output, or to treat shock. However, the literature on the systemic and regional hemodynamic effects of these antihypotensive medications in neonates is deficient and incomplete, and cautious translation of findings from other clinical populations and animal studies is required.

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Background: Persistent inflammatory catabolic syndrome (PICS) has not been described in the infant population. This study proposes a definition of PICS in critically ill infants.

Methods: A published adult criterion of PICS was modified using anthropometric and biochemical reference ranges for infants.

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Background: In Canada and other developed countries, the majority of neonatal deaths occur in tertiary neonatal intensive care units. Most deaths occur following the withdrawal of life-sustaining treatments.

Aim: To explore neonatal death events and end-of-life care practices in two tertiary neonatal intensive care settings.

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Despite the advancement in the postoperative care of neonates with congenital heart disease (CHD), there is little information on preoperative management of systemic and regional hemodynamics, which may be related to outcomes. We aimed to determine the preoperative effect of milrinone, a phosphodiesterase III inhibitor, on cardiac output and splanchnic and cerebral perfusion in neonates with CHD. Neonates with CHD requiring cardiac surgery were enrolled in a prospective, single-blinded study once a clinical decision of starting milrinone (0.

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Syngnathia is a rare congenital disorder of jaw fusion with a paucity of literature from developed countries. We present a case of an infant noted to have multiple anomalies at birth including syngnathia, microcephaly with a variant of brain abnormality between holoprosencephaly and syntelencephaly, optic nerve hypoplasia, ear canal anomalies, hemi-vertebrae, and suspected hypomelanosis of Ito. To our knowledge, this patient with syngnathia and multiple anomalies is the first to be reported, but whether they are a coincidence, a pathogenetic association, or a new syndrome remains unknown.

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Objective: The effect of teaching crisis resource management skills on the resuscitation performance of pediatric residents is unknown. The primary objective of this pilot study was to determine if teaching crisis resource management to residents leads to improved clinical and crisis resource management performance in simulated pediatric resuscitation scenarios.

Design: A prospective, randomized control pilot study.

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Gastric pneumatosis and thickened gastric wall are rare radiological findings that may be indicative of severe gastrointestinal tract ischaemia or necrosis; we report a case with a brief discussion of the literature. The premature neonate conveyed an interesting series of rare X-ray findings which were secondary to extensive gastric, duodenal and proximal jejunal infarction. She was managed palliatively and died.

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Background: When asphyxiated neonates require additional cardiovascular support to moderate doses of dopamine infusion, controversy exists on the differential hemodynamic effects of two approaches (adding a second inotrope vs. increasing dopamine dosage). We hypothesized that high-dose dopamine (HD) would be detrimental to systemic and regional perfusion as compared with dopamine and epinephrine (D + E) combination therapy using a swine model of neonatal hypoxia-reoxygenation (H-R).

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