Katharina Stadler1, Johannes S Mutzenbach1, Gudrun Kalss1, Johann Sellner1, Abdul R Al-Schameri2, Eugen Trinka1, Monika Killer-Oberpfalzer3. 1. ET Department of Neurology, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria. 2. Department of Neurosurgery, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria. 3. Department of Neurology/Researchinstitute of Neurointervention, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria m.killer@salk.at.
Abstract
BACKROUND: Stroke is a frequent disorder in patients with an antiphospholipid syndrome (APS). Due to a high risk for further thromboembolic events, appropriate anticoagulation therapy in patients with an APS-associated stroke seems mandatory but drug eluting and duration is a matter of debate. CASE: A 48-year-old female patient presented with Broca's aphasia and mild hemiparesis on the right side. Diagnostic work-up revealed left middle cerebral artery (MCA) occlusion yet without diffusion-weighted lesions. Due to a thrombocytopenia (67.00 g/l) systemic thrombolysis was not indicated and endovascular treatment was initiated 150 min after symptom onset. After successful clot retrieval, recurrent re-occlusions lead to the necessity of stent implantation and anticoagulation, respectively. On day 5 she developed a new severe right-sided hemiparesis. The magnetic resonance imaging (MRI) showed a subtotal restenosis of the left MCA despite the regular anticoagulation regime leading to a new left MCA ischaemic stroke. In the meantime, the unknown aetiology, the patients' age and the thrombocytopenia let to further diagnostic workup. Elevated blood parameters such as lupus anticoagulant (LA)-1, LA-ratio, positive anti-nuclear antibody (ANA), p-anti-neutrophil cytoplasmic antibodies (ANCA), c-ANCA confirmed the diagnosis of APS. CONCLUSION: This case report showed the feasibility of mechanical clot retrieval and stent implantation in patients with APS. Due to the elevated risk of in-stent thrombosis a prolonged therapy with glycoprotein (GP)IIb/IIIa receptor antagonists in the initial postoperative period and further anticoagulation with coumarin derivate might be needed.
BACKROUND: Stroke is a frequent disorder in patients with an antiphospholipid syndrome (APS). Due to a high risk for further thromboembolic events, appropriate anticoagulation therapy in patients with an APS-associated stroke seems mandatory but drug eluting and duration is a matter of debate. CASE: A 48-year-old female patient presented with Broca's aphasia and mild hemiparesis on the right side. Diagnostic work-up revealed left middle cerebral artery (MCA) occlusion yet without diffusion-weighted lesions. Due to a thrombocytopenia (67.00 g/l) systemic thrombolysis was not indicated and endovascular treatment was initiated 150 min after symptom onset. After successful clot retrieval, recurrent re-occlusions lead to the necessity of stent implantation and anticoagulation, respectively. On day 5 she developed a new severe right-sided hemiparesis. The magnetic resonance imaging (MRI) showed a subtotal restenosis of the left MCA despite the regular anticoagulation regime leading to a new left MCA ischaemic stroke. In the meantime, the unknown aetiology, the patients' age and the thrombocytopenia let to further diagnostic workup. Elevated blood parameters such as lupus anticoagulant (LA)-1, LA-ratio, positive anti-nuclear antibody (ANA), p-anti-neutrophil cytoplasmic antibodies (ANCA), c-ANCA confirmed the diagnosis of APS. CONCLUSION: This case report showed the feasibility of mechanical clot retrieval and stent implantation in patients with APS. Due to the elevated risk of in-stent thrombosis a prolonged therapy with glycoprotein (GP)IIb/IIIa receptor antagonists in the initial postoperative period and further anticoagulation with coumarin derivate might be needed.
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