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Orbital arteriovenous fistulas (AVFs) are rare vascular malformations that can cause severe ocular complications. This review evaluates the effectiveness of treatment strategies, focusing on post-treatment recovery and recurrence. A systematic review was conducted using PubMed and Scopus with no date restrictions.

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Carotid-cavernous fistula due to contralateral orbital trauma.

Oman J Ophthalmol

October 2024

Department of Imaging Sciences and Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.

Direct carotid cavernous fistula is an abnormal arterio-venous connection from the carotid artery to the cavernous sinus (CS), resulting in high-pressure arterial blood entering the low-pressure venous CS. Most often, it occurs posttrauma and presents with ipsilateral orbital signs. In this report, we describe the case of a 54-year-old man, who presented with a late-onset right-sided red eye and diplopia following contralateral (left sided) orbital trauma (road traffic accident 7 months ago).

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Article Synopsis
  • Orbital vascular malformations (AVMs) are rare congenital defects where arteries and veins connect directly, potentially leading to serious symptoms like vision loss and elevated eye pressure.
  • Despite advancements in imaging and treatment, managing these AVMs remains challenging due to risks like hemorrhage and incomplete removal.
  • A systematic review analyzed 27 case reports (with a mean patient age of 34) emphasizing common symptoms such as proptosis and visual loss, noting that while many patients underwent surgery, complications did occur in some cases.
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Article Synopsis
  • Endovascular embolization, particularly using Menox, is shown to be a safe and effective treatment for cranial dural arteriovenous fistulas (DAVFs) in a study involving 19 patients over a two-year period.
  • Out of the patients treated, 68.4% achieved complete occlusion of their fistulas, with the highest success rates observed in certain anatomical locations.
  • Adverse events were rare, with only one intra-procedural issue noted, highlighting the overall safety of using Menox in these procedures.
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Rare Case of Idiopathic Thrombocytopenia Causing Retrobulbar Hemorrhage.

J Community Hosp Intern Med Perspect

September 2024

Department of Internal Medicine, CAMC, Charleston, WV, 25304, USA.

Immune thrombocytopenia purpura (ITP) is defined as a platelet count lower than 100 × 10ˆ9/L, in the absence of known abnormalities in white blood cells, normal hemoglobin with generalized purpuric rash: making it a diagnosis of exclusion.1-2 ITP is due to destruction of platelets in the spleen via autoantibodies, resulting in reduced platelet counts.3 Though rare, ITP is linked with spontaneous retrobulbar hemorrhage (SRH).

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