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- W4385837412 abstract "Abstract Background It is well-established that maintaining stable intraocular pressure (IOP) within the normal range during ophthalmic surgery is important. Esketamine is a commonly used drug in pediatric general anesthesia due to its good analgesic and sedative effects. However, its application in ophthalmic surgery is limited because it can increase IOP. The effect of esketamine combined with other common anesthetics on IOP has been underinvestigated. This study aimed to investigate the effect of different doses of esketamine combined with propofol and sufentanil on IOP during intravenous induction of general anesthesia for pediatric strabismus surgery. Methods A total of 181 children with strabismus undergoing unilateral eye surgery under general anesthesia were recruited. Intravenous induction included the use of sufentanil 0.1 µg/kg, propofol 3 mg/kg, and esketamine. Base on the dosage of esketamine, the patients were randomly allocated into three groups: esketamine low (EL) group with 0.25 mg/kg (n = 62), esketamine high (EH) group with 0.5 mg/kg (n = 60), and normal saline (NS) group (n = 59). Hemodynamic parameters, respiratory parameters, and IOP of the non-surgical eye were recorded and compared among the three groups at different time points: before induction (T 0 ), 1 min after induction but before laryngeal mask insertion (T 1 ), immediately after laryngeal mask insertion (T 2 ), and 2 min after laryngeal mask insertion (T 3 ). Results There were no significant differences in age, gender, body mass index (BMI), and respiratory parameters among the three groups at T 0 . The IOP at T 1 , T 2 , and T 3 was lower than that at T 0 in all three groups. The EH group (12.6 ± 1.6 mmHg) had a significantly higher IOP than the EL group (12.0 ± 1.6 mmHg) and the NS group (11.6 ± 1.7 mmHg) at T 1 . However, no difference was found between the EL and NS groups at any time point. Systolic blood pressure (SBP) and heart rate (HR) at T 1 , T 2 , and T 3 were lower than at baseline, and SBP and HR were higher at T 2 than at T 1 . Additionally, the EH group had a significantly higher HR at T 1 than the other two groups. There was no significant difference in diastolic blood pressure (DBP) among the three groups at any time point. Conclusion Propofol combined with sufentanil significantly decreased IOP during the induction of general anesthesia. Although a dose of 0.5 mg/kg esketamine elevated IOP compared to the low-dose and control groups after induction, the IOP remained lower than baseline. 0.25 mg/kg esketamine combined with propofol and sufentanil had little effect on IOP. Therefore, we advocate that a maximum dose of 0.5 mg/kg esketamine combined with propofol and sufentanil will not elevate IOP compared to baseline in pediatric strabismus surgery. Trial registration The registration number is ChiCTR2200066586 at Chictr.org.cn. Registry on 09/12/2022." @default.
- W4385837412 created "2023-08-16" @default.
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- W4385837412 date "2023-08-15" @default.
- W4385837412 modified "2023-10-10" @default.
- W4385837412 title "Effect of intravenous induction with different doses of Esketamine combined with propofol and sufentanil on intraocular pressure among pediatric strabismus surgery: a randomized clinical trial" @default.
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- W4385837412 doi "https://doi.org/10.1186/s12871-023-02238-2" @default.
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