Hemodynamic Changes Associated with Mydriatic Eye Drop Administration in Anesthetized Pediatric Patients.

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Dilating eye drops are routinely used in pediatric retinoblastoma patients during anesthetized ophthalmologic exams. Information on the systemic effects of ocular mydriatics, especially in anesthetized pediatric patients, is limited.The primary aim of this study was to analyze hemodynamic changes during mydriatic eye drop administration in anesthetized pediatric patients.A retrospective chart review was performed for pediatric retinoblastoma patients who underwent MRI with anesthesia. Baseline blood pressure (BP) and heart rate (HR) were charted for each patient at induction. HR and mean arterial pressure (MAP) measurements were recorded at 5, 10, 15, 30, and 45 min after eye drop administration. Secondarily, we included data from 15 patients who received dilating eye drops while under sevoflurane general anesthetic. All patients were dilated with phenylephrine 2.5 or 10% (depending on age) and tropicamide 1%.The final analysis included 176 anesthesia encounters. The results demonstrate no statistically significant deviation of more than 20% from baseline for either HR or MAP. Additionally, we did not detect any difference between patients who were anesthetized with propofol versus sevoflurane.We did not observe significant hemodynamic instability with administration of dilating eye drops during propofol anesthesia.

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