Paul Kurdyak 2024

Quality indicators for schizophrenia care: A scoping review

Jennifer Anderson, Dallas Seitz, David Crockford, Donald Addington, Hanji Baek, Diane Lorenzetti, Rebecca Barry, James Bolton, Valerie Taylor, Paul Kurdyak, Julia Kirkham

Measuring quality of care is a critical first step towards improving the healthcare contributing to persistent poor outcomes experienced by many people living with schizophrenia. This scoping review aims to identify and characterize indicators for measuring…

Using "Big Data" to Provide Insights into Early Adopters of Continuing Professional Development: An Example from Project ECHO

Allison Crawford, Sanjeev Sockalingam, Eva Serhal, Carrol Zhou, Amanda Gambin, Claire de Oliveira, Tomisin Iwajomo, Paul Kurdyak

Mental health care is often managed in primary care with limited specialist support, particularly in rural and remote communities. Continuing professional development programs (CPD) can offer a potential solution to further mental health training; however, engaging…

Physician Follow-Up of Pediatric and Young Adult Emergency Department Visits for Substance Use in Ontario, Canada

Tea Rosic, Paula Cloutier, Daniel Myran, Haris Imsirovic, Paul Kurdyak, William Gardner

Between April 1, 2017, and May 31, 2021, 64,236 youth had at least one ED visit for substance use. Visits for alcohol were the most common (49%), followed by cannabis (32.3%). ED visits for all…

Characteristics of Opioid Toxicity Deaths Among Adolescents and Young Adults in Ontario Prior To and During the COVID-19 Pandemic

Sadia Akbara, Anita Iacono, Joanna Yang, Tony Antoniou, David Juurlink, Hasan Sheikh, Paul Kurdyak, Fangyun Wu, Clare Cheng, Pamela Leece, Gillian Kolla, Jennifer Emblem, Dana Shearer, Tara Gomes

We conducted a descriptive, cross-sectional study of opioid toxicity deaths among individuals aged 15-24 in Ontario in the year prior to (March 17, 2019, to March 16, 2020) and the first year of the pandemic…

Outcomes following hip fracture surgery in adults with schizophrenia in Ontario, Canada: A 10-year population- based retrospective cohort study

Hina Ansari, Kinwah Fung, Angela Cheung, Susan Jaglal, Earl Bogoch, Paul Kurdyak

Study highlights the susceptibility of hip fracture patients with schizophrenia to worse outcomes, including refracture, with implications for understanding modifiable processes of care to…

Non-fatal self-harm and suicide following postpartum psychiatric emergency department visits: A population-based retrospective cohort study

Lucy Barker, Hilary Brown, Susan Bronskill, Kinwah Fung, Paul Kurdyak, Juveria Zaheer, Simone Vigod

In a population-based cohort of postpartum individuals in Ontario, Canada, this study aimed to determine the risk of non-fatal self-harm and suicide within one year of an initial postpartum…

A Retrospective Cohort Analysis of Mental Health-Related Emergency Department Visits Among Veterans and Non-Veterans Residing in Ontario, Canada

Kate St. Cyr, Peter Smith, Paul Kurdyak, Heidi Cramm, Alice Aiken, Alyson Mahar

Emergency departments (EDs) are a vital part of healthcare systems, at times acting as a gateway to community-based mental health (MH) services. This may be particularly true for veterans of the Royal Canadian Mounted Police who…

Risk of Repeat Psychiatric Emergency Department Visits in the Postpartum Period: A Population-Based Retrospective Cohort Study

Lucy Barker, Kinwah Fung, Juveria Zaheer, Hilary Brown, Susan Bronskill, Paul Kurdyak, Simone Vigod.

Approximately 1 in 100 postpartum individuals visit an emergency department (ED) for a psychiatric reason. Repeat visits can signify problems…

Neuroimaging and Biosample Collection in the Toronto Adolescent and Youth Cohort Study: Rationale, Methods, and Early Data

Erin Dickie, Stephanie Ameis, Isabelle Boileau, Andreea Diaconescu et al.

The Toronto Adolescent and Youth (TAY) Cohort Study will characterize the neurobiological trajectories of psychosis spectrum symptoms, functioning, and suicidality (i.e., suicidal thoughts and behaviors) in youth seeking mental health care. Here, we present the neuroimaging…

Mental disorders and discrimination: A prospective cohort study of young twin pairs in Germany

Lucas Calais-Ferreira, Gregory Armstrong, Elisabeth Hahn, Giles Newton-Howes, James Foulds, John Hopper, Frank Spinath, Paul Kurdyak & Jesse Young.

Mental disorders and perceived discrimination share common risk factors. The association between having a mental disorder and experiencing discrimination is well-known…

Characterizing the clinical subgroups of individuals who present to the emergency department for alcohol-related harms in Ontario, Canada: A latent class analysis

Erik Loewen Friesen, Andrea Mataruga, James Bolton & Paul Kurdyak.

Alcohol-related emergency department (ED) visits are common and associated with adverse clinical outcomes, including premature mortality…

A Computer-Assisted Telephone Collaborative Care Intervention Provided by Lay Providers for the Treatment of Comorbid Depression and at-Risk Drinking: Analysis of a Randomized Controlled Trial.

Helena Kim, Osnat Melamed, Matthew Sloan, M. Ishrat Husain, David Rodie, Athina Perivolaris, Paul Kurdyak, David Oslin, Rose Geist, Peter Selby, Benoit Mulsant.

Virtual collaborative care for people with comorbid depression and at-risk drinking lacks strong evidence. Our aim was to assess the impact of 12 months of telephone collaborative care (tCC) versus enhanced usual care (eUC) on depression and drinking…

Assessing the "Healthy Immigrant Effect" in Mental Health: Intra- and Inter-Cohort Trends in Mood and/or Anxiety Disorders.

Joyce Mason, Audrey Laporte, James McDonald, Paul Kurdyak, Ethan Fosse & Claire de Oliveira.

The healthy immigrant effect implies that, at the time of immigration, new immigrants are typically healthier than the Canadian-born population. Furthermore, this health advantage fades the longer cohorts of immigrants remain in the host country…

Socioeconomic Status and Access to Mental Health Care: The Case of Psychiatric Medications for Children in Ontario Canada.

Janet Currie, Paul Kurdyak, & Jonathan Zhang.

We examine differences in the prescribing of psychiatric medications to lower-income and higher-income children in the Canadian province of Ontario using rich administrative data that includes diagnosis codes and physician identifiers.…

Youth Cannabis Use and Subsequent Health Service Use for Mood and Anxiety Disorders: A Population-Based Cohort Study.

André McDonald, Paul Kurdyak, Jürgen Rehm, Michael Roerecke & Susan Bondy.

Epidemiologic research suggests a modest association between youth cannabis use and mood and anxiety disorders (MADs). However, current evidence is based mostly on cohort studies using data from the 20th century when cannabis was significantly less potent than today…