• World Neurosurg · Sep 2024

    Frequency, Characteristics, and Preventability of Adverse Drug Reactions in Perioperative Neurosurgery: Analysis Over 11 Years.

    • Daina Kashiwazaki, Takahiro Tomita, Emiko Hori, Naoki Akioka, Takuya Akai, Kyo Noguchi, and Satoshi Kuroda.
    • Department of Neurosurgery Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan. Electronic address: gktqx702@yahoo.co.jp.
    • World Neurosurg. 2024 Sep 1; 189: e624e631e624-e631.

    ObjectiveDespite the importance of adverse drug reactions (ADRs), little is known about their role in perioperative neurosurgery. This study aimed to determine the prevalence of ADRs in perioperative neurosurgery and clarify the characteristics, severity, preventability, and risk factors of ADRs.MethodsData for all patients who underwent neurosurgical procedures over an 11-year period were analyzed. During the study period, 3648 surgical procedures were performed for 2695 patients. Demographic and clinical information documented included medical history, allergic history, diagnosis, surgical method, suspected drugs, concomitant medications, and drug details. Multivariate logistic regression analyses were performed to identify independent parameters that were correlated with ADRs.ResultsIn total, 467 ADRs (18.3% ADRs/all neurosurgical procedures) were experienced by 401 patients. Anticonvulsants were associated with the highest number of ADRs (16.0%), followed by antibiotics (14.7%). Patients with ADRs were older than patients without ADRs (P < 0.01). The total number of drugs in patients with ADRs was 8.8 ± 3.6, compared to 5.2 ± 2.4 for patients without ADRs (P < 0.01). There were no significant differences in sex, allergic history, severe renal dysfunction (estimated glomerular filtration rate < 30 ml/min/1.73 m2), hypertension, diabetes, urgency of surgery, and type of surgery. Multivariate analysis showed that a high total number of drugs (odds ratio=3.2; 95% confidence interval 1.9-5.1) and older age (odds ratio=2.1; 95% confidence interval 1.3-3.8) were independent risk factors for ADRs.ConclusionsThe frequency of suspected and severe ADRs was higher than expected. Polypharmacy and older age were independent risk factors for ADRs in perioperative neurosurgery. To decrease ADRs during perioperative neurosurgery, polypharmacy must be discouraged, especially among older adult patients.Copyright © 2024 Elsevier Inc. All rights reserved.

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