Adverse Events in Pediatric Inpatients: The Japan Adverse Event Study

Author:

Sakuma Mio1,Ohta Yoshinori2,Takeuchi Jiro1,Yuza Yuki,Ida Hiroyuki3,Bates David W.,Morimoto Takeshi1

Affiliation:

1. Department of Clinical Epidemiology, Hyogo Medical University, Nishinomiya

2. Community Emergency Medicine, Hyogo Medical University, Sasayama

3. The Jikei University School of Medicine, Tokyo, Japan

Abstract

Objectives Adverse events (AEs) represent an important cause of morbidity and mortality for pediatric inpatients; however, reports on their epidemiology in pediatrics, especially outside Western countries, are scarce. We investigated the incidence and nature of AEs in pediatric inpatients in Japan. Methods Trained pediatrician and pediatric nurses reviewed all medical documents of 1126 pediatric inpatients in 2 tertiary care teaching hospitals in Japan, and potential incidents were collected with patients’ characteristics. Age was categorized into 6 groups (neonates, infants, preschoolers, school-aged children, teenagers, and over-aged pediatric patients), and medical care when potential incidents occurred was classified into drug, operation, procedure/examinations, nursing, management, and judgment. Physician reviewers independently evaluated all collected incidents into AEs, potential AEs, medical errors, and exclusions and assessed their severity and preventability. Results A total of 1126 patients with 12,624 patient-days were enrolled, and 953 AEs, with an incidence of 76 (95% confidence interval, 71–80) per 1000 patient-days, were identified. Preventable AEs accounted for 23% (218/953) of AEs. The incidence of AEs tended to decrease with increasing age. The proportion of AEs that were preventable was highest in neonates (40%), and this proportion decreased as children aged. Both judgment and management-related AEs were considered preventable AEs, and judgment-related AEs were more severe AEs than no-judgment–related AEs; 43% were life-threatening. Conclusions Adverse events were common in Japanese pediatric inpatients, and their preventability and severity varied considerably by age category and medical care. Further investigation is needed to address which strategies might most improve pediatric patient safety.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Public Health, Environmental and Occupational Health,Leadership and Management

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