Publications by authors named "Jonathan Lockwood"

Assessment of clinical teachers is a requirement by family medicine residency programs in Canada. This facilitates feedback to teachers and ensures the curriculum is delivered in an efficient and safe way. To protect resident confidentiality, preceptors often receive their teaching evaluations months to years later.

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Article Synopsis
  • Antipsychotic-induced weight gain is prevalent among individuals with schizophrenia, leading to serious health complications, prompting the need for effective management strategies.
  • This review aims to evaluate the effectiveness of pharmacological interventions specifically designed to prevent weight gain associated with antipsychotic medications in schizophrenia patients.
  • The review includes 17 randomized controlled trials and assesses various outcomes related to weight changes and compliance, although many of the primary outcomes were infrequently reported in the studies.
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Several studies have demonstrated that youth at clinical high risk (CHR) of developing psychosis have a high prevalence of comorbid psychiatric disorders. Less is known about the impact of comorbid diagnoses on later conversion to psychosis and the change over time. The aim of this study was to determine the frequency and distribution of psychiatric diagnoses at baseline and over time in the North American Prodrome Longitudinal Study (NAPLS 2) and the role of comorbid diagnoses in conversion to psychosis.

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This study aimed to determine the validity of the Habitual Activity Estimation Scale (HAES) for assessing physical activity (PA) in children and adolescents with severe obesity. Data were obtained from participants (n = 17) in the High Impact Strategies Toward Overweight Reduction in Youth study at the Hospital for Sick Children in Toronto. Objective measurement of PA was recorded with accelerometers and interpreted using counts-per-minute (CPM) cut-points developed for children and adolescents.

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Introduction: Antipsychotic drugs (APs) represent the mainstay of treatment for schizophrenia and other forms of psychosis. Tardive dyskinesia (TD) is a motor disorder associated with the ongoing use of APs and is characterized by involuntary, repetitive movements that are potentially irreversible. Current treatment is wanting, due in part to our limited understanding of the mechanisms underlying TD.

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