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PURPOSE: To report changes in intraocular pressure (IOP) during general anesthesia. Material: This prospective study was entered by 15 adult females who underwent surgery for myoma of uterus. They were aged from 32 to 55 years, average 45 years. METHOD: General anesthesia was maintained by nitrous oxide and isoflurane. Measurement of IOP by Schiotz tonometer was made before premedication, 30 minutes after premedication, immediately and 1 hour after induction of general anesthesia, and 1 hour after awakening. RESULTS: IOP decreased significantly immediately and 1 hour after induction of general anesthesia from the baseline level (p < 0.05). IOP returned to baseline level after awakening. CONCLUSION: IOP decreased during general anesthesia by nitrous oxide and isoflurane. LA: Japanese
Dr. M. Okuyama, Department of Ophthalmology, Yonezawa City Hospital, 6-36 Aioicho, Yonezawa 992-8502, Japan
12.17 Anesthesia (Part of: 12 Surgical treatment)