Objectives: The aims of the study were to identify the characteristics of medication-related malpractice claims occurring in the ambulatory setting across 2 time periods.
Methods: A retrospective, descriptive study was used. Ambulatory medication-related closed malpractice events from loss years of 2011-2021 were analyzed. Analysis included gender and age, injury severity, location, major injury, medications, primary and secondary services, roles, contributing factors, primary drivers, indemnity paid, and disposition status. Findings were analyzed using the Candello Explore tool.
Results: Five hundred four ambulatory medication-related closed malpractice events were included. Family medicine (19.4%) and internal medicine (10.4%) services had the largest number of claims. The top medications were anti-infectants (16.4%), narcotics (15.6%), and anticoagulants (14.4%). Medication-related claims were multifactorial, averaging 4.1 contributing factors per claim. Clinical judgment issues were found in over 55% of the claims, and communication factors were observed in almost 48% of the claims. In the comparison analysis, 433 claims from 2011 to 2015 and 161 claims from 2016 to 2021 were evaluated. A statistical decrease in claims involving anticoagulants and narcotics (P = 0.01) was seen in the second period. There was a statistical increase in claims involving pharmacy dispensing errors during the 2016-2021 period (P = 0.03).
Conclusions: Adverse drug events in ambulatory care are multifactorial. Errors in the technical process of ordering and managing medications, patient education, patient adherence, and pharmacy dispensing were the primary drivers of ambulatory medication malpractice claims in this study.
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