Publications by authors named "Colin Partridge"

Objective: To evaluate the association of therapeutic hypothermia with magnetic resonance imaging (MRI) findings and 30-month neurodevelopment in term neonatal encephalopathy.

Study Design: Cross-sectional analysis of 30-month neurodevelopment (IQR 19.0-31.

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Background: Identifying preterm infants at risk for mortality or major morbidity traditionally relies on gestational age, birth weight, and other clinical characteristics that offer underwhelming utility. We sought to determine whether a newborn metabolic vulnerability profile at birth can be used to evaluate risk for neonatal mortality and major morbidity in preterm infants.

Methods: This was a population-based retrospective cohort study of preterm infants born between 2005 and 2011 in California.

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Background: Cumulative supplemental oxygen (CSO) and cumulative mean airway pressure (CMAP) are associated with bronchopulmonary dysplasia (BPD) in preterm infants, but their relationships to white matter injury (WMI) and neurodevelopment have not been evaluated.

Methods: Preterm infants <32 weeks' gestation were prospectively imaged with 3 T MRI near term. CSO and CMAP were retrospectively summed over the first 14 and 28 days.

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Objective: To evaluate the association between early metabolic profiles combined with infant characteristics and survival past 7 days of age in infants born at 22-25 weeks of gestation.

Study Design: This nested case-control consisted of 465 singleton live births in California from 2005 to 2011 at 22-25 weeks of gestation. All infants had newborn metabolic screening data available.

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Background: Quality emergency care is a critical component of a well-functioning health system. However, severely ill children often face barriers to timely, appropriate care in less-developed health systems. Such barriers disproportionately affect poorer children, and may be particularly acute when children seek advanced emergency care.

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Background: Disparities exist in the rates of preterm birth and infant mortality across different racial/ethnic groups. However, only a few studies have examined the impact of race/ethnicity on the outcomes of premature infants.

Objective: To report the rates of mortality and severe neonatal morbidity among multiple gestational age (GA) groups stratified by race/ethnicity.

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Background: Neonatal mortality accounts for nearly three quarters of all infant deaths in Vietnam. The nursing team are the largest professional group working with newborns, however do not routinely receive neonatal training and there is a lack of research into the impact of educational provision. This study explored changes in nursing perceptions towards their role following a neonatal educational intervention.

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Background And Objectives: There are limited epidemiologic data on persistent pulmonary hypertension of the newborn (PPHN). We sought to describe the incidence and 1-year mortality of PPHN by its underlying cause, and to identify risk factors for PPHN in a contemporary population-based dataset.

Methods: The California Office of Statewide Health Planning and Development maintains a database linking maternal and infant hospital discharges, readmissions, and birth and death certificates from 1 year before to 1 year after birth.

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Objectives: To assess the rates of mortality and major morbidity among extremely preterm infants born in California and to examine the rates of neonatal interventions and timing of death at each gestational age.

Methods: A retrospective cohort study of all California live births from 2007 through 2011 linked to vital statistics and hospital discharge records, whose best-estimated gestational age at birth was 22 through 28 weeks. Major morbidities were based on International Classification of Diseases, Ninth Revision, Clinical Modification codes.

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This paper describes the adoption of a prototype electronic decision support tool for managing transient ischemic attack (TIA) in the Emergency Department (ED) of a health region in Canada. A clinician-driven sociotechnical design approach is used to develop, test and implement the prototype with the aim to improve TIA management in the ED. In this study, we worked closely with ED staff to: identify issues and needs in TIA management; build/test/refine prototype versions of the electronic TIA decision support tool; and explore strategies to implement the tool for routine use in the ED.

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This is a knowledge translation project to promote the uptake of best practices in end-of-life (EOL) care within the primary care setting in British Columbia (BC) through the use of tools embedded into electronic medical records (EMRs). The knowledge-to-action model is used to engage primary care providers in co-designing, adopting and evaluating the EOL care toolkit built for 3 EMRs. The toolkit has a set of EMR-specific data entry templates, query/report functions and access to additional downloadable resources.

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Objectives: To determine the rate of magnetic resonance imaging (MRI)-detected noncystic white matter injury (WMI) in a prospective cohort of premature newborns, and to evaluate its associations with changes in clinical predictors of WMI over the study period.

Study Design: A prospective cohort of premature newborns (<33 weeks gestational age) was studied with MRI within 4 weeks of birth and near term-equivalent age. A pediatric neuroradiologist scored the severity of WMI on T1-weighted MRI according to published criteria.

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Objective: Explore associations between neonatal providers' perspectives on survival, quality of life (QOL) and treatment recommendations.

Methods: Providers attending a workshop on neonatal viability were surveyed about survival, perceived QOL and treatment recommendations for marginally viable infants. We assessed associations between estimated survival and perceived QOL and treatment recommendations.

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Objective: Resuscitation of infants at 23 weeks' gestation remains controversial; clinical practices vary. We sought to investigate the cost effectiveness of resuscitation of infants born 23 0/7-23 6/7 weeks' gestation.

Design: Decision-analytic modeling comparing universal and selective resuscitation to non-resuscitation for 5176 live births at 23 weeks in a theoretic U.

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This paper describes the application of the Clinical Adoption (CA) Framework to evaluate the impact of a recently deployed electronic medical record (EMR) in a Canadian healthcare organization. The CA Framework dimensions evaluated were EMR quality, use and net benefits at the micro level; and people, organization and implementation at the meso level. The study involved clinical and support staff from two ambulatory care clinics, and managers and technical staff from the organization.

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Background: Increased investments are being made for electronic medical records (EMRs) in Canada. There is a need to learn from earlier EMR studies on their impact on physician practice in office settings. To address this need, we conducted a systematic review to examine the impact of EMRs in the physician office, factors that influenced their success, and the lessons learned.

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Background: The effects of the Born-Alive Infants Protection Act of 2002, which defines the legal status of live-born infants have not been evaluated.

Objective: To study neonatologists' perceptions and the potential effects of the Born-Alive Infants Protection Act and subsequent Department of Health and Human Services enforcement guidelines on resuscitation and comfort care for infants born at 20 to 24 weeks' gestation.

Methods: From August 2005 to November 2005, we mailed surveys to all 354 neonatologists practicing in California.

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Objective: The goal was to explore barriers to palliative care experienced by pediatric health care providers caring for seriously ill children.

Methods: This study explored pediatric provider perceptions of end-of-life care in an academic children's hospital, with the goal of describing perceived barriers to end-of-life care for children and their families. The report focuses on the responses of nurses (n = 117) and physicians (n = 81).

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Objective: To determine the neurodevelopmental outcome of prematurely born newborns with magnetic resonance imaging (MRI) abnormalities.

Study Design: A total of 89 prematurely born newborns (median age 28 weeks postgestation) were studied with MRI when stable for transport to MRI (median age, 32 weeks postgestation); 50 newborns were studied again near term age (median age, 37 weeks). Neurodevelopmental outcome was determined at 18 months adjusted age (median) using the Mental Development Index (Bayley Scales Infant Development II) and a standardized neurologic exam.

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Objective: To characterize parent perceptions and satisfaction with physician counseling and delivery-room resuscitation of very low birth weight infants in countries with neonatal intensive care capacity.

Study Design: Convenience sample of 327 parents of 379 inborn very low birth weight infants (<1501 g) who had received resuscitation and neonatal intensive care in 9 neonatal intensive care units (NICUs) in 6 Pacific Rim countries and in 2 California hospitals. The sample comprised mostly parents whose infants survived, because in some centers interviews of parents of nonsurviving infants were culturally inappropriate.

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Objectives: This study was undertaken to evaluate physician counselling practices and resuscitation decisions for extremely preterm infants in countries of the Pacific Rim. We sought to determine the degree to which physician beliefs, parents' opinion and medical resources influence decision-making for infants at the margin of viability.

Methods: A survey was administered to neonatologists and paediatricians who attend deliveries of preterm infants in Australia, Hong Kong, Japan, Malaysia, Taiwan and Singapore.

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Objectives: To determine whether the pattern of brain injury in term neonatal encephalopathy is associated with distinct prenatal and perinatal factors and to determine whether the pattern of injury is associated with 30-month neurodevelopmental outcome.

Study Design: A total of 173 term newborns with neonatal encephalopathy from 2 centers underwent magnetic resonance imaging (MRI) at a median of 6 days of age (range, 1-24 days). Patterns of injury on MRI were defined on the basis of the predominant site of injury: watershed predominant, basal ganglia/thalamus predominant, and normal.

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Improving outcomes have promoted utilization of intensive care for premature infants in developing countries with available fiscal and technological resources. Physician counseling and decision-making have not been characterized where economic restrictions, governmental guidelines, and physician cultural attitudes may influence decisions about the appropriateness of neonatal intensive care. A cross-sectional survey of all neonatologists and pediatricians providing neonatal care in public and private hospitals in South Africa (n=394) was carried out.

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Background: Little is known about parental experience and decision making with regard to premature infants requiring intensive care in developing countries. We undertook this study to characterise parents' experience of physician counselling and their role in making life-support decisions for very low-birth-weight (VLBW) (birth weight < 1 501 g) infants born in South Africa's public-sector neonatal intensive care units (NICUs).

Methods: Parents of surviving VLBW infants treated in three Johannesburg-area public hospitals and attending follow-up clinics in August 2001 were interviewed regarding their experience of perinatal counselling on outcomes (pain, survival, disability), perception of actual and optimal decision making, and satisfaction with NICU communication.

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The aim of this study was to assess the association between cocaine or cigarette smoke exposure in utero and visual outcome. A total of 153 healthy infants (89 males, 64 females; gestational age range 34 to 42 weeks) were prospectively enrolled in a masked, race-matched study. Quantitative analyses of urine and meconium were used to document exposure to cigarette smoke and cocaine.

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