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Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...

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Postsurgical cystoid macular edema.

Anat Loewenstein, Dinah Zur

    Developments in Ophthalmology
    |August 13, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Cystoid macular edema (CME) can impair vision after eye surgery. While its exact causes are unclear, treatments like anti-inflammatory drugs and corticosteroids are effective for most cases.

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    Area of Science:

    • Ophthalmology
    • Retinal Diseases

    Background:

    • Cystoid macular edema (CME) is a leading cause of vision loss post-cataract and vitreoretinal surgery.
    • The incidence of CME after modern cataract surgery ranges from 0.1% to 2.35%.

    Purpose of the Study:

    • To review the etiology, diagnosis, and management of cystoid macular edema (CME).
    • To discuss differential diagnoses and treatment strategies for pseudophakic CME.

    Main Methods:

    • Literature review of studies on cystoid macular edema.
    • Analysis of diagnostic tools including fluorescein angiography and optical coherence tomography.
    • Evaluation of treatment options for postsurgical CME.

    Main Results:

    • CME diagnosis relies on fluorescein angiography and optical coherence tomography.
    • Pseudophakic CME often presents with reduced visual acuity.
    • Most cases of pseudophakic CME resolve spontaneously.

    Conclusions:

    • First-line treatments for postsurgical CME include topical NSAIDs and corticosteroids.
    • Oral carbonic anhydrase inhibitors and periocular/intraocular corticosteroids are options for resistant cases.
    • Antiangiogenic agents and surgery are reserved for persistent or specific indications.