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Particulate contamination in eye surgery.

O Winding, E Gregersen

    Acta Ophthalmologica
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Particulate contamination was found in all intraocular surgical fluids and microsponges. These particles, ranging from 5 to 3000 microns, pose a risk during ophthalmic procedures.

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    Area of Science:

    • Ophthalmology
    • Materials Science
    • Analytical Chemistry

    Background:

    • Intraocular surgical fluids and medicaments are critical for ophthalmic procedures.
    • Particulate contamination in these solutions can potentially lead to adverse patient outcomes.
    • Microsponges are used for fluid management during surgery.

    Purpose of the Study:

    • To investigate particulate contamination in microsponges and intraocular surgical solutions.
    • To characterize the size and elemental composition of detected particles.

    Main Methods:

    • Scanning electron microscopy (SEM) was used for particle visualization.
    • Energy dispersive analysis of X-ray (EDAX) was employed for elemental analysis (atomic number 9-93).
    • Analysis included flushing fluid from microsponges, balanced salt solution, Ringer solution, Zolyse, Miochol, and Healon.

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    Main Results:

    • All examined solutions and microsponges exhibited particulate contamination.
    • Particle counts per ml ranged from 15-400 for solutions and 25-90 for microsponges.
    • Particle sizes varied significantly, from 5 microns up to 3000 microns for microsponges, with most particles under 10 microns.

    Conclusions:

    • Particulate contamination is prevalent in materials used for intraocular surgery.
    • The presence of particles, particularly organic material, necessitates further investigation into their clinical significance.
    • SEM and EDAX are effective methods for detecting and analyzing particulate contamination in ophthalmic solutions.