Publications by authors named "Joseph K Burns"

8 Publications

  • Page 1 of 1

Barriers and enablers to effective interprofessional teamwork in the operating room: A qualitative study using the Theoretical Domains Framework.

PLoS One 2021 22;16(4):e0249576. Epub 2021 Apr 22.

Department of Anaesthesiology and Pain Medicine, University of Ottawa, Ottawa, Ontario, Canada.

Background: Effective teamwork is critical for safe, high-quality care in the operating room (OR); however, teamwork interventions have not consistently resulted in the expected gains for patient safety or surgical culture. In order to optimize OR teamwork in a targeted and evidence-based manner, it is first necessary to conduct a comprehensive, theory-informed assessment of barriers and enablers from an interprofessional perspective.

Methods: This qualitative study was informed by the Theoretical Domains Framework (TDF). Volunteer, purposive and snowball sampling were conducted primarily across four sites in Ontario, Canada and continued until saturation was reached. Interviews were recorded, transcribed, and de-identified. Directed content analysis was conducted in duplicate using the TDF as the initial coding framework. Codes were then refined whereby similar codes were grouped into larger categories of meaning within each TDF domain, resulting in a list of domain-specific barriers and enablers.

Results: A total of 66 OR healthcare professionals participated in the study (19 Registered Nurses, two Registered Practical Nurses, 17 anaesthesiologists, 26 surgeons, two perfusionists). The most frequently identified teamwork enablers included people management, shared definition of teamwork, communication strategies, positive emotions, familiarity with team members, and alignment of teamwork with professional role. The most frequently identified teamwork barriers included others' personalities, gender, hierarchies, resource issues, lack of knowledge of best practices for teamwork, negative emotions, conflicting norms and perceptions across professions, being unfamiliar with team members, and on-call/night shifts.

Conclusions: We identified key factors influencing OR teamwork from an interprofessional perspective using a theoretically informed and systematic approach. Our findings reveal important targets for future interventions and may ultimately increase their effectiveness. Specifically, achieving optimal teamwork in the OR may require a multi-level intervention that addresses individual, team and systems-level factors with particular attention to complex social and professional hierarchies.
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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0249576PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8061974PMC
April 2021

Capturing the impact of cultural differences in residency.

BMC Med Educ 2021 Feb 18;21(1):115. Epub 2021 Feb 18.

MultiCultural Business Solutions Inc., Markham, Ontario, Canada.

Background: Postgraduate training is a period in which residents develop both their medical competency and their professional identity in an environment of apprenticeship. As situated learning suggests, a critical dimension of such apprenticeship is the mode through which trainees can legitimately participate in the practice before they become experts, in this case physicians. One source of barriers to participation is cultural difference between learner and the clinical environment.

Objective: To assess the extent cultural differences create barriers for residents, particularly but not exclusively for international medical graduates (IMGs).

Methods: In 2014-15 a questionnaire was developed with subscales assessing areas such as sense of hierarchy, individuality versus teamwork, and risk tolerance. We refined the instrument by subjecting it to a review panel of experts in postgraduate education followed by "think aloud" sessions with residents.

Results: Piloting this instrument yielded a Cronbach's alpha of 0.675. When administered to a larger group of residents and faculty representing many specialties, the Impact of Cultural Differences on Residency Experiences (ICDRE) questionnaire revealed a few items for which the Canadian Medical Graduates and International Medical Graduates differed in their mean opinion. The groups were not substantially different overall, but we did observe an interesting diversity of cultural beliefs within each group.

Conclusions: We suggest that the ICDRE may be useful in identifying beliefs which may present challenges to an individual resident or in capturing trends in a resident population so that a specialty program can address the trends proactively. The instrument also provides language with which to anchor preceptors' evaluations of residents' professionalism and may serve as an interventional coaching tool.
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http://dx.doi.org/10.1186/s12909-021-02548-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7890890PMC
February 2021

Cognitive aids with roles defined (CARD) for obstetrical crises: a multisite before-and-after cohort study.

Can J Anaesth 2020 08 15;67(8):970-980. Epub 2020 May 15.

Department of Innovation in Medical Education, University of Ottawa, Ottawa, ON, Canada.

Purpose: Patient outcome during an obstetrical emergency depends on prompt coordination of an interprofessional team. The cognitive aids with roles defined (CARD) is a cognitive aid that addresses the issue of teamwork in crisis management. This study evaluated the clinical impact of implementing the CARD cognitive aid during emergency Cesarean deliveries.

Methods: We conducted a prospective before-and-after cohort trial at the maternity units of two Canadian academic hospital campuses. Both sites received didactic online training regarding teamwork during crises, which involved training on using CARD for the "CARD" campus (intervention) and no mention of CARD at the "no CARD" campus (control). The primary outcome was the total time to delivery after the call for an emergency Cesarean delivery. Secondary outcomes included specific intervals of time within the time to delivery and clinical outcomes for both the babies and mothers.

Results: We analyzed data from 267 eligible emergency Cesarean deliveries that occurred between January 11 2014 and December 31 2017. The use of CARD did not significantly change the median [interquartile range] time to delivery of the baby during an emergency Cesarean delivery from the pre-intervention to the post-intervention time period (17 [12-28] vs 15 [13-20], respectively; median difference, 2; 95% confidence interval, -1 to 5; P = 0.36). The clinical outcomes for the baby or the mother and other secondary outcomes also did not change.

Conclusions: The CARD cognitive aid did not significantly improve time-based or clinical maternal and neonatal outcomes of emergency Cesarean delivery at our academic maternity unit.
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http://dx.doi.org/10.1007/s12630-020-01685-6DOI Listing
August 2020

Aligning Practice Data and Institution-specific CPD: Medical Quality Management as the Driver for an eLearning Development Process.

J Eur CME 2020 23;9(1):1754120. Epub 2020 Apr 23.

Department of Care for the Elderly, Bruyère Continuing Care, Ottawa, Ontario, Canada.

For hospital physicians, alignment of Continuing Professional Development (CPD) with quality improvement efforts is often absent or rudimentary. The purpose of this study was to evaluate a CPD development process that created accessible learning opportunities and aligned CPD with practice data. We conducted a chart audit to identify patient safety and quality of care issues within the institution, then established an eLearning approach that supported quick and cost effective development of high-quality interactive CPD opportunities. We tested a pilot module on the management of common infections in sub-acute care settings with fifteen (68%) residents and three staff physicians to evaluate the approach. One resident and three staff agreed to a follow-up interview. The satisfaction survey indicated that participants felt the content was generally appropriate and the module well designed. Significant improvements to knowledge were reported in the multi-drug resistance (Mean Difference = 25%, p = 0.002), infection management (MD = 32%, p < 0.001), and cellulitis risk factor (MD = 22%, p = 0.02) questions, as well as in the overall score (MD = 19%, p < 0.001). In terms of confidence in their answers, the mean rating pre-module was 3.17, rising significantly to 3.92 post-module (p < 0.001). In this way, collaboration between quality management and education committees allowed for the development of relevant CPD for physicians, with eLearning providing a timely and accessible way to deliver training on emerging issues.
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http://dx.doi.org/10.1080/21614083.2020.1754120DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7191898PMC
April 2020

Does general experience affect self-assessment?

Clin Teach 2019 06 22;16(3):197-202. Epub 2018 May 22.

Department of Family Medicine, University of Ottawa, Ottawa, Ontario, Canada.

Background: The assessment of clinical competence is critical in medical education. Understanding the effect of general experience on a physician's self-assessment would help design more effective curricula and evaluations of procedural skills in postgraduate training and continuing professional development (CPD). In this observational study, we assessed the effect of general experience on the correlation between confidence and competence amongst experienced clinicians (ECs) and postgraduate trainees (PGTs) when learning an office-based procedure in pessary care.

Methods: We recruited 19 first-year family medicine residents and 18 family medicine faculty members in two outpatient academic clinics. All participants attended a simulation-based workshop for a routine gynaecological office procedure. We used a confidence survey as a measure of the participants' self-assessed competence and an objective structured clinical examination (OSCE) to evaluate participants' competence before and after the workshop. The assessment of clinical competence is critical in medical education RESULTS: We found no significant correlation between confidence and competence at baseline for either group (EC, r = 0.25, p = 0.35; PGT, r = 0.15, p = 0.60). After the workshop, we observed a statistically significant correlation between confidence and competence for ECs (r = 0.60, p = 0.01), but not for PGTs. The change in this correlation was not statistically significant for either group, however.

Discussion: Our findings suggest that ECs are not any more accurate in the assessment of their competence compared with PGTs. All procedural skills curricula can benefit from OSCE-format evaluation to better evaluate the improvement in performance of participants.
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http://dx.doi.org/10.1111/tct.12797DOI Listing
June 2019

Survival Motor Neuron Protein is Released from Cells in Exosomes: A Potential Biomarker for Spinal Muscular Atrophy.

Sci Rep 2017 10 24;7(1):13859. Epub 2017 Oct 24.

Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.

Spinal muscular atrophy (SMA) is caused by homozygous mutation of the survival motor neuron 1 (SMN1) gene. Disease severity inversely correlates to the amount of SMN protein produced from the homologous SMN2 gene. We show that SMN protein is naturally released in exosomes from all cell types examined. Fibroblasts from patients or a mouse model of SMA released exosomes containing reduced levels of SMN protein relative to normal controls. Cells overexpressing SMN protein released exosomes with dramatically elevated levels of SMN protein. We observed enhanced quantities of exosomes in the medium from SMN-depleted cells, and in serum from a mouse model of SMA and a patient with Type 3 SMA, suggesting that SMN-depletion causes a deregulation of exosome release or uptake. The quantity of SMN protein contained in the serum-derived exosomes correlated with the genotype of the animal, with progressively less protein in carrier and affected animals compared to wildtype mice. SMN protein was easily detectable in exosomes isolated from human serum, with a reduction in the amount of SMN protein in exosomes from a patient with Type 3 SMA compared to a normal control. Our results suggest that exosome-derived SMN protein may serve as an effective biomarker for SMA.
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http://dx.doi.org/10.1038/s41598-017-14313-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5655039PMC
October 2017

Opening the window: The case for carrier and perinatal screening for spinal muscular atrophy.

Neuromuscul Disord 2016 09 23;26(9):551-9. Epub 2016 Jun 23.

Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, Canada; Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Canada; University of Ottawa Centre for Neuromuscular Disease, Ottawa, Canada; Department of Medicine, University of Ottawa, Ottawa, Canada. Electronic address:

Spinal muscular atrophy (SMA) is the most common genetically inherited neurodegenerative disease that leads to infant mortality worldwide. SMA is caused by genetic deletion or mutation in the survival of motor neuron 1 (SMN1) gene, which results in a deficiency in SMN protein. For reasons that are still unclear, SMN protein deficiency predominantly affects α-motor neurons, resulting in their degeneration and subsequent paralysis of limb and trunk muscles, progressing to death in severe cases. Emerging evidence suggests that SMN protein deficiency also affects the heart, autonomic nervous system, skeletal muscle, liver, pancreas and perhaps many other organs. Currently, there is no cure for SMA. Patient treatment includes respiratory care, physiotherapy, and nutritional management, which can somewhat ameliorate disease symptoms and increase life span. Fortunately, several novel therapies have advanced to human clinical trials. However, data from studies in animal models of SMA indicate that the greatest therapeutic benefit is achieved through initiating treatment as early as possible, before widespread loss of motor neurons has occurred. In this review, we discuss the merit of carrier and perinatal patient screening for SMA considering the efficacy of emerging therapeutics and the physical, emotional and financial burden of the disease on affected families and society.
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http://dx.doi.org/10.1016/j.nmd.2016.06.459DOI Listing
September 2016

The role of chromatin in adenoviral vector function.

Viruses 2013 Jun 14;5(6):1500-15. Epub 2013 Jun 14.

Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, Ontario K1H 8L6, Canada.

Vectors based on adenovirus (Ad) are one of the most commonly utilized platforms for gene delivery to cells in molecular biology studies and in gene therapy applications. Ad is also the most popular vector system in human clinical gene therapy trials, largely due to its advantageous characteristics such as high cloning capacity (up to 36 kb), ability to infect a wide variety of cell types and tissues, and relative safety due to it remaining episomal in transduced cells. The latest generation of Ad vectors, helper-dependent Ad (hdAd), which are devoid of all viral protein coding sequences, can mediate high-level expression of a transgene for years in a variety of species ranging from rodents to non-human primates. Given the importance of histones and chromatin in modulating gene expression within the host cell, it is not surprising that Ad, a nuclear virus, also utilizes these proteins to protect the genome and modulate virus- or vector-encoded genes. In this review, we will discuss our current understanding of the contribution of chromatin to Ad vector function.
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http://dx.doi.org/10.3390/v5061500DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3717718PMC
June 2013
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