Abstract
Purpose of Review
A biomarker point-of-care (POC) test that supplements the psychiatric interview and improves detection of patients at risk for suicide would be of value, and assays of autonomic nervous system (ANS) activity would satisfy the logistical requirements for a POC test. We performed a selective review of the available literature of ANS assays related to risk for suicide.
Recent Findings
We searched PubMed and Web of Science with the strategy: “suicide OR suicidal” AND “electrodermal OR heart rate variability OR pupillometry OR pupillography.” The search produced 119 items, 21 of which provided original data regarding ANS methods and suicide. These 21 studies included 6 for electrodermal activity, 14 for heart rate variability, and 1 for the pupillary light reflex. The 21 papers showed associations between ANS assays and suicide risk in a direction suggesting underlying hyperarousal in patients at risk for suicide.
Summary
ANS assays show promise for future development as POC tests to supplement clinical decision making in estimating risk for suicide.
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by William V. McCall. Brian Miller contributed to data collection and presentation. The first draft of the manuscript was written by William V. McCall, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Dr. Miller has nothing to disclose for the present work. In the past 12 months, he received research support from Augusta University, the National Institute of Mental Health, and the Stanley Medical Research Institute; participated in Advisory Boards for Boehringer Ingelheim; and Honoraria from Psychiatric Times. Dr. Rosenquist has nothing to disclose. Dr. McCall has nothing to disclose for the work under consideration. In the past 12 months, he has received research support from PCORI; has been a consultant for Anthem Insurance, Jazz, Sage, Janssen, and Idorsia; and has received royalties from Wolters Kluwer.
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McCall, W.V., Rosenquist, P.B. & Miller, B.J. Development of Autonomic Nervous System Assays as Point-of-Care Tests to Supplement Clinical Judgment in Risk Assessment for Suicidal Behavior: A Review. Curr Psychiatry Rep 24, 11–21 (2022). https://doi.org/10.1007/s11920-022-01315-6
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DOI: https://doi.org/10.1007/s11920-022-01315-6