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Introduction: Despite 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 in the past 11 years and clarify the characteristics, severity, preventability, and risk factors of ADRs. Methods: Data 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, including 1440 males and 1255 females. The average age was 57.3 ± 22.7 years(range, 0-100). Demographic and clinical information documented included sex, age, body mass index, 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. Results: In 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 Conclusion: The 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. |
