Validation of HEARTSS-MAP, a psychosocial assessment tool applied to children and youth with mental health-related pediatric emergency visits
CPS ePoster Library. Lee A. Jun 22, 2016; 128166; 96
Alison Lee
Alison Lee
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Background: Mental health-related pediatric emergency department (PED) visits are increasing annually, and there is a need for a validated comprehensive standardized assessment tool to better manage these patients.

Objectives: The primary objective of this study was to evaluate HEARTSS-MAP, a psychosocial assessment tool, in terms of inter-rater agreement among clinicians as well as the tool's performance in predicting needs for acute psychiatric consultation for hospitalization.

Methods: The HEARTSS-MAP evaluation was done in two phases. We retrospectively reviewed 101 cases randomly sampled from a cohort of patients who sought care at the BC Children's Hospital (BCCH) PED for mental health complaints. Narratives pertaining to each patient's psychosocial assessment were recorded. Clinicians, including two emergency physicians, a bedside nurse, a nurse practitioner, and two psychiatrists, were blinded to the patients' outcomes, and individually applied the HEARTSS-MAP tool to the clinical narratives. The inter-rater agreement was calculated using Cohen's kappa statistics. We then evaluated the tool's sensitivity and specificity in predicting admission for the retrospective cohort, as well as a prospective cohort of 62 patients assessed and managed by a PED clinician using the HEARTSS-MAP.

Result: There was substantial agreement between the two pediatric emergency reviewers (κ=0.7), and moderate agreement between the pediatric emergency physicians and the nurse practitioner (κ=0.6), and the bedside nurse (κ=0.5). Pediatric psychiatrists had fair agreement between themselves (κ=0.3), and between psychiatrists and emergency physicians (κ=0.4). Based on retrospective data, HEARTSS-MAP had a sensitivity of 91% (95%CI: 71 to 99%), and a specificity of 41% (95%CI: 30 to 53%). When applied to prospectively collected data, the sensitivity was 100% (95%CI: 75 to 100%), and specificity was 33% (95%CI: 20 to 48%).

Conclusion: HEARTSS-MAP, the first standardized psychosocial assessment tool to be implemented at BCCH PED, demonstrates strong inter-rater reliability between emergency clinicians, with a high sensitivity in identifying patients with mental health complaints requiring hospital admission.
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