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Title of Journal: Arch Ophthalmol

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Abbravation: Archives of Ophthalmology

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American Medical Association

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DOI

10.1007/s15007-014-0683-9

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ISSN

0003-9950

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The Rate of Sulfur Hexafluoride Escape From a Plastic Syringe

Authors: Mark S. Humayun, Julia Haller Yeo, Walter S. Koski, Ronald G. Michels,

Publish Date: 1989/06/01
Volume: 107, Issue:6, Pages: 853-854
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Abstract

• Sulfur hexafluoride (SF6) gas is widely used for internal tamponade during retinal reattachment surgery and is commonly injected into the eye from a 10-mL plastic syringe. The rate of diffusion of SF6 out of a plastic syringe has not been studied. We measured the percentage of SF6 gas in a 10-mL plastic syringe by gas chromatography, confirmed by infrared spectrometry. Measurements were obtained immediately after aspiration, and at 30 s and 10, 15, 60, 90, and 120 minutes, and 18 hours. A marked decrease in SF6 concentration, from 97% at 30 s to 76% at 60 minutes and 2% at 18 hours, was noted. The results were highly reproducible. Sulfur hexafluoride gas should be injected into the patient's eye as soon as possible after aspiration from the tank to ensure accurate concentrations.


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References

citation_title=Mechanics of intraocular gas; citation_author=Parver LM, Lincoff H;Invest Ophthalmol Vis Sci; citation_year=1978; citation_volume=17; citation_pages=77-80;


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