Journal français d'ophtalmologie
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Given the growing number of patients on antithrombotic therapy we are increasingly confronted with the management of this therapy before, during and after vitreoretinal surgery. In the absence of a consensus, the decision to withdraw antithrombotic therapy is based on the cardiovascular thromboembolism risk versus the theoretical risk of bleeding if the antithrombotic treatment is continued. ⋯ It appears that an International Normalized Ratio (INR) less than 3 for patients treated with anticoagulant therapy does not increase the perioperative risk of ocular bleeding. This risk has not been evaluated in patients treated by new antithrombotic therapies (prasugrel, ticagrelor as antiplatelet medication, or dabigatran, rivaroxaban, apixaban as anticoagulant therapy), and there is a need to study it further.
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Case Reports
["En face" anterior segment optical coherence tomography findings in acute corneal hydrops].
To study the corneal morphological characteristics of acute hydrops by analyzing anterior segment optical coherence tomography (AS-OCT) "en face" images. ⋯ "En face" AS-OCT allows for precise study of the tissue changes occurring in acute corneal hydrops. Besides a better understanding of this rare complication of keratoconus, this new imaging technique may help clinicians to identify the corneal structural changes, which place keratoconus patients at risk of corneal hydrops.
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Observational Study
[Simplified topical anesthesia protocol for ambulatory cataract surgery: safety and patient and surgeon satisfaction].
The purpose of our study was to assess safety and efficacy of cataract surgery (CS) under topical anesthesia alone, i.e. without pre-anesthetic evaluation and without direct presence of an anesthesiologist. To this end we assessed the incidence of patients' preoperative anxiety, perioperative adverse events and patients' and surgeons' satisfaction. ⋯ These preliminary data suggest that a simplified topical anesthesia protocol for ambulatory CS appears to be feasible and safe, as long as an anesthesia team is present in the area to intervene if needed.
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Depending upon the type of communication between the internal carotid artery and the cavernous sinus, two types of carotid-cavernous fistulae can be distinguished: direct carotid-cavernous fistula (DCCF), for which diagnosis is usually easy because of the obvious signs of orbital congestion, and indirect carotid-cavernous fistula (ICCF) or dural fistula, with few symptoms, associated with a delay in diagnosis which can alter prognosis for function and even life. ⋯ ICCF can impact mortality and are often underdiagnosed. The diagnostic delay observed in our study reflects the difficulties which persist in recognizing the clinical signs of this condition. ICCF must be suspected in the case of a history suggestive of CCF, even if the clinical examination appears normal. The presence of a bruit must be carefully sought, not only in the classical orbital location, but also in other facial locations as shown in our study. Our results demonstrate that there is indeed a good correlation between the site of the CCF, the location of the bruit, and the vessels involved.