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Retinal arterial and venous obstruction as the first manifestation of an antiphospholipid antibody syndrome
Obstrucción arterial y venosa retiniana como primera manifestación de un síndrome de anticuerpos antifosfolípidos
A. Pérez-Crespoa, C. Gutiérrez-Ortizb,
Corresponding author
consuelogutierre@gmail.com

Corresponding author.
a Licenciada en Medicina y Cirugía. Hospital Príncipe de Asturias, Servicio de Oftalmología, Alcalá de Henares, Madrid, Spain
b Doctora en Medicina y Cirugía. Hospital Príncipe de Asturias, Servicio de Oftalmología, Alcalá de Henares, Madrid, Spain
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and even affect heart valves&#46;<a class="elsevierStyleCrossRefs" href="#bib0020"><span class="elsevierStyleSup">4&#44;5</span></a> The most frequent venous event is deep vein thrombosis of the lower limbs&#44; while the most common arterial event is stroke&#46; Ocular pathology is variable&#44; and may be asymptomatic or produce blurred vision&#44; episodes of amaurosis fugax or campimetric defects&#46; The posterior segment is the most affected&#44; classically associating the occlusion of the vein or central artery of the retina or one of its branches&#46; It can also cause an optic neuropathy&#46;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">The clinic case of a female who exhibited a mixed vascular obstructive picture of cilioretinal artery and venous component as the first manifestation of an antiphospholipid syndrome is presented&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Clinic case report</span><p id="par0020" class="elsevierStylePara elsevierViewall">Female&#44; 34&#44; with unremarkable personal history or previous abortion&#44; consulted for sudden and painless decrease in visual acuity &#40;VA&#41; of the right eye &#40;RE&#41;&#59; she also reported a similar self-limited episode two weeks earlier&#46; Examination showed a VA in the RE of finger count at 1&#8239;m and of the unit in the left eye &#40;LE&#41; and afferent pupil defect in the RE&#46; No alteration was found in the anterior pole&#46; The ocular fundus &#40;OF&#41; of the RE showed hemorrhages over the upper and lower temporal arches&#44; venous tortuosity &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41; and retinal pallor in the area irrigated by the cilioretinal artery and macular &#34;cherry red spot&#34;&#46; The OF of the LE was normal&#46; Fluorescein angiography &#40;FAG&#41; showed the venous obstruction of the LE and a blockage of the cilioretinal artery &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46; In the visual field &#40;VF&#41; a defect appeared in the region corresponding to the RE papillomacular bundle&#44; with the LE bundle being normal &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#46; The optical coherence tomography showed slight disc edema in the upper and lower quadrants of the RE and a normal macular profile&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">In view of the patient&#39;s signs and symptoms&#44; a complete analysis&#44; reaginic&#44; immunological and coagulation tests were requested&#44; as well as consultations with the Hematology and Cardiology Departments&#46; The latter ruled out thromboembolic phenomena caused by arrhythmias&#44; carotid stenosis or other cardiac pathologies&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">Hematology requested the following tests to rule out congenital or acquired states of hypercoagulability&#58; activated protein C resistance&#44; factor V Leiden and prothrombin gene variant 20210A&#44; protein C activity&#44; free protein S concentration&#44; AT activity&#44; FVIII activity&#44; lupus anticoagulant&#44; anti-cardiolipin antibodies and &#946;2-glycoprotein I antibodies &#40;IgG and IgM&#41; and plasma homocysteine concentration&#46; ACL antibodies &#40;ACL IgG &#62; 20&#41; and AL antibodies were positive&#46; The determination of the AP &#40;ACL and AL&#41; was positive in a second test three months after the first test&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">The patient was diagnosed with antiphospholipid antibody syndrome because she presented a mixed retinal&#44; arterial and venous thrombosis&#44; and because the antibodies characteristic of the syndrome were positive&#46; No other autoimmune diseases were found to be associated&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">Antiaggregate treatment &#40;acetylsalicylic acid&#44; 100&#8239;mg&#47;d&#41;&#44; anticoagulant &#40;low molecular weight heparin at therapeutic doses and acenocoumarol 2&#8239;mg&#47;d&#41; and corticoid &#40;oral prednisone&#44; 50&#8239;mg&#47;d&#41; were initiated&#44; obtaining a good therapeutic response&#46; During the follow-up&#44; which was 12 months for our part&#44; antiaggregation and corticoids were withdrawn&#44; and anticoagulation was maintained by adjusting the dose to achieve an INR between 2&#46;5 and 3&#46;5&#46; final VA was of the unit for both eyes&#44; with a restoration to normal of the OF image of the RE &#40;<a class="elsevierStyleCrossRef" href="#fig0015">Fig&#46; 3</a>&#41;&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0055">Discussion</span><p id="par0045" class="elsevierStylePara elsevierViewall">APS is an autoimmune entity with defined clinical characteristics associated with measurable antibodies&#46; It is diagnosed using the Sydney &#40;2006&#41;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a> classification criteria&#44; which require at least one clinical criterion &#40;thrombosis&#44; obstetric complications&#41; and one analytical criterion &#40;lupus anticoagulant&#44; anti-cardiolipin antibodies&#44; &#223;2-Glycoprotein antibodies&#59; determined on two or more occasions at least 12 weeks apart&#41;&#46; The management of these patients should be individualized&#44; since in addition to the APs&#44; other risk factors for thrombosis are usually taken into account&#44; such as the presence of an underlying autoimmune disease and cardiovascular risk factors&#44; eliminating the so-called modifiable factors to reduce the risk of thrombosis&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a> Its approach is twofold&#44; primary prophylaxis in patients who have not had previous thrombosis&#44; and secondary treatment or prophylaxis in patients with previous thrombosis&#46;<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> Management is based on anticoagulation &#40;low-molecular-weight heparin plus warfarin or acenocoumarol&#41; with or without platelet antiaggregation &#40;low-dose acetylsalicylic acid or clopidogrel&#41;&#44; but in some patients immunoglobulins&#44; corticoids&#44; hydroxychloroquine or anticoagulants that inhibit factor Xa are administered&#46; Direct-acting anticoagulants are not recommended&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a> In the case described&#44; the ophthalmological alteration was the key to reaching the diagnosis&#44; since the patient had no other systemic clinic&#44; history of previous abortions&#44; or cardiovascular risk factors&#46; On the other hand&#44; the simultaneity of arterial and retinal venous obstruction in this case is unique&#46; Vascular occlusions in young subjects without risk factors should always lead to consider a basic systemic pathology&#46; When the suspicion rate is high&#44; a first inconclusive result should not rule out the entity and the analysis should be repeated&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">Accordingly&#44; APS is a disease with a wide range of clinical manifestations that can contribute to increased mortality&#46; Ocular manifestations may be its sign of presentation&#44; as was the case in our patient&#44; so we must bear this in mind in the differential diagnosis of vaso-occlusive retinopathies&#44; especially in young subjects without vascular risk factors<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> and request the relevant analyses and tests which should include a study to rule out cardiac or carotid thrombo-embolic pathology and congenital or acquired states of hypercoagulability&#46; The patient must remain anticoagulated for life and multidisciplinary management is important for better adjustment of treatment&#44; to avoid recurrent thrombotic events and their potentially fatal consequences&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0060">Funding</span><p id="par0055" class="elsevierStylePara elsevierViewall">This work was not funded in any way&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Conflict of interests</span><p id="par0060" class="elsevierStylePara elsevierViewall">No conflict of interests was declared by the authors&#46;</p></span></span>"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Case report</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">A 34 year-old woman presented with decrease in visual acuity in her right eye &#40;RE&#41;&#46; Her past medical history was unremarkable&#46; Dilated fundus examination revealed a central venous occlusion and an obstruction of the cilioretinal artery&#46; Given the patient age&#44; a cardiology and haematology screen was obtained to rule out hypercoagulation disorders and thromboembolic disease&#46; Antiplatelet&#44; anticoagulant&#44; and corticosteroid therapy were started&#46; The laboratory result was positive for anticardiolipin and antiphospholipid antibody&#46; A diagnosis of antiphospholipid syndrome &#40;APS&#41; was made&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Discussion</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Antiphospholipid syndrome may cause thrombosis in any organ&#46; The involvement of the retinal vessels may be the first manifestation of this entity&#46; This diagnosis is important to prevent recurrent thrombotic events&#46;</p></span>"
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        "resumen" => "<span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Caso cl&#237;nico</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Mujer de 34 a&#241;os sin antecedentes de inter&#233;s que acudi&#243; por disminuci&#243;n de visi&#243;n del ojo derecho&#46; El examen revel&#243; una obstrucci&#243;n de vena central de la retina y de la arteria ciliorretiniana&#46; Dada la edad de la paciente se consult&#243; con cardiolog&#237;a y hematolog&#237;a para descartar un estado de hipercoagulabilidad y patolog&#237;a trombo-emb&#243;lica&#46; La anal&#237;tica fue positiva para los anticuerpos anticardiolipina y antifosfol&#237;pidos&#46; Se diagnostic&#243; de un s&#237;ndrome de anticuerpos antifosfol&#237;pidos&#46; Se inici&#243; tratamiento antiagregante&#44; anticoagulante y corticoideo&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0030">Discusi&#243;n</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">El s&#237;ndrome antifosfol&#237;pidos puede causar trombosis en cualquier &#243;rgano&#46; La afectaci&#243;n de los vasos retinianos puede ser la primera manifestaci&#243;n&#46; Su diagn&#243;stico es importante para evitar fen&#243;menos tromb&#243;ticos recurrentes&#46;</p></span>"
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ISSN: 21735794
Original language: English
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