Syringing

Definition and stakes

A System of Operative Surgery, Volume 4…

“ Complications. If too forcible syringing be used extravasation of the fluid may take place. This is accompanied by pain and swelling in the lachrymal region. It usually subsides under hot fomentations, but suppuration and even cellulitis of the orbit have been known to occur.
PROBING THE LACHRYMAL DUCT
Indications. (i) In cases of congenital lachrymal obstruction due to débris blocking the duct.
(ii) When syringing has failed to bring about a cure, a probe may be passed once or twice to see if dilatation causes any improvement. It is especially useful in children.
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Source: Gutenberg

A System of Operative Surgery, Volume 4…

“ Syringing with hot water causes a nystagmus directed towards the ear syringed; syringing with cold water, away from the ear.
(b) If there be a localized labyrinthine lesion, and the function of the labyrinth is still maintained, the same results will be obtained on syringing. Care, however, must be taken that the syringing is not forcible, otherwise the caloric tests will be unreliable, as in these cases nystagmus may be produced on even slight increase of pressure within the external auditory canal, and with this there may be a sensation of giddiness and nausea.
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Source: Gutenberg

A System of Operative Surgery, Volume 4…

“ To do this, a piece of rubber tubing is inserted into the opening in the lateral sinus and some warm saline solution is injected through it with a syringe. If the clot be not firmly adherent it can usually be washed out through the opening in the vein. No force should be used. If gentle syringing be not sufficient to expel the clot, the attempt must be given up. The chief objection against syringing is the possibility of particles of the septic thrombus being forced into the veins communicating with the jugular bulb. A small drainage tube is inserted within the sinus. ”
Source: Gutenberg

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