Ординатура / Офтальмология / Английские материалы / Basic Principles of Ophthalmic Surgery_Arnold_2006

5.Which of the following patients should have their ocularprocedure performed under generalanesthesia?(list all that apply)

8.6-month-old infant undergoingstrabismussurgery

b.50-year-old man undergoinga lengthy vitreoretinal procedure

c.72-year-old woman undergoing cataractsurgery after her prior surgerywas cancelleddue to a retrobulbar hemorrhageduring the retrobulbar block

d.All of the above

6.During generalanesthesia,nitrous oxide should be discontinued at least

20minutes before injection of C3F8or SF6gasinto the vitreous cavity. (true or false)

7.It is bestto avoid a retrobulbar block in highly myopic eyeswith a long axiallength. (true or false)

For preferred responsesto thesequestions,seepages223-224.

SUGGESTED READING

Ahn ]C, Stanley]A. Subarachnoidinjection asa complication of retrobulbar anesthesiaAm. J aphthalmol. 1987;103:225-230.

Britton B, Hervey R, KastenK, et al. Intraocular irritation evaluationof benzalkonium chloride in rabbits. Ophthalmic Surg.1976;7:46-55.

DonlonJV. Anesthesiafor ophthalmic surgery.In: Albert DM, JakobiecFA, et aI,eds.Principlesand Practiceof Ophthalmology. Philadelphia:WB SaundersCo, 1994;v 5, chap231.

Duker J5, Belmont JB, BensonWE, et al. Inadvertentglobeperforations during retrobulbar and peribulbar anesthesia.Patientcharacteristics,surgical management,and visual outcome. Ophthalmology. 1991;98:519-526.

Fanning GL. Monitored sedationfor ophthalmic surgery.In: Kumar CM, Doods C, FanningGL, eds.Ophthalmic Anesthesia.Lisse,The Netherlands:Swets& Zeitlinger, 2002;chap7.

FraserSG, SiriwadenaD, JamiesonH, etal. Indicators of patient suitability for topical anesthesiaJ. Cataract Refract Surg.1997;23:781-783.