Eye: paracentesis (aqueous)
Synonym(s): Aqueocentesis / anterior chamber paracentesis
Introduction
- Samples of aqueous humour provide the opportunity for cytology, bacterial culture and susceptibility, protein measurement, antibody titers and PCR.
- Therefore analysis of aqueous may be helpful in evaluating the eye with anterior uveitis and intraocular neoplasia.
- It is occasionally used as a means to rapidly reduce the intraocular pressure.
Uses
- Investigation of uveitis Uveitis when the systemic diagnostic work-up fails to obtain an etiological diagnosis.
- Investigation of suspected intraocular neoplasia Eye: intraocular neoplasia, in particular lymphoma.
- Investigation of infectious agent involved in intraocular infection, likely a result of intraocular surgery, globe perforation, or septic implantation syndrome.
- Protein electrophoresis.
Requirements
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Preparation
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Technique
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Aftercare
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Outcomes
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Further Reading
Publications
Refereed papers
- Recent references from PubMed and VetMedResource.
- Linn‐Pearl R N, Powell R M, Newman H A & Gould D J (2015) Validity of aqueocentesis as a component of anterior uveitis investigation in dogs and cats. Vet Ophthalmol 18, 326-334 PubMed doi:10.1111/vop.12245.
- Wiggans K T, Vernau W, Lappin M R, Thomasy S M & Maggs D J (2014) Diagnostic utility of aqueocentesis and aqueous humor analysis in dogs and cats with anterior uveitis. Vet Ophthalmol 17, 212-220 PubMed doi:10.1111/vop.12075 .