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B) TC craneal que evidencia el extremo proximal de DVA situado en el ventrículo lateral derecho.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "J. Molina-Gil, S. Calleja-Puerta, M. Rico" "autores" => array:3 [ 0 => array:2 [ "nombre" => "J." "apellidos" => "Molina-Gil" ] 1 => array:2 [ "nombre" => "S." "apellidos" => "Calleja-Puerta" ] 2 => array:2 [ "nombre" => "M." 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Slightly elongated face, long palpebral fissures, midface hypoplasia, deep philtrum, and bulbous tip of the nose.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "D. Martín Fernández-Mayoralas, N. Muñoz Jareño, A. Alba Menéndez, A. Fernández-Jaén" "autores" => array:4 [ 0 => array:2 [ "nombre" => "D." "apellidos" => "Martín Fernández-Mayoralas" ] 1 => array:2 [ "nombre" => "N." "apellidos" => "Muñoz Jareño" ] 2 => array:2 [ "nombre" => "A." "apellidos" => "Alba Menéndez" ] 3 => array:2 [ "nombre" => "A." 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"apellidos" => "Romigi" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S0213485320301419" "doi" => "10.1016/j.nrl.2020.06.004" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0213485320301419?idApp=UINPBA00004N" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173580821000286?idApp=UINPBA00004N" "url" => "/21735808/0000003600000004/v1_202105110731/S2173580821000286/v1_202105110731/en/main.assets" ] "en" => array:15 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Letter to the Editor</span>" "titulo" => "Ischaemic stroke secondary to paradoxical embolism as a consequence of superior vena cava syndrome by a displacement of a ventriculoatrial shunt" "tieneTextoCompleto" => true "saludo" => "Dear Editor:" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "325" "paginaFinal" => "327" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "J. Molina-Gil, S. Calleja-Puerta, M. Rico" "autores" => array:3 [ 0 => array:4 [ "nombre" => "J." "apellidos" => "Molina-Gil" "email" => array:1 [ 0 => "javimol1993@hotmail.com" ] "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "*" "identificador" => "cor0005" ] ] ] 1 => array:2 [ "nombre" => "S." "apellidos" => "Calleja-Puerta" ] 2 => array:2 [ "nombre" => "M." "apellidos" => "Rico" ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Servicio de Neurología, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain" "identificador" => "aff0005" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Infarto cerebral por embolismo paradójico secundario a síndrome de vena cava superior por malposición de un catéter de derivación ventriculoauricular" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 636 "Ancho" => 1674 "Tamanyo" => 111259 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Venography showing contrast administration after catheterisation of the right cephalic vein. (A) Obstruction of the superior vena cava (arrow), with filiform passage of contrast to the right atrium (arrowhead); (B) collateral filling of thoracic wall veins towards the azygos vein (arrows).</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Superior vena cava syndrome (SVCS) is an infrequent condition characterised by a partial or total obstruction of blood flow through the superior vena cava due to extrinsic compression, infiltration, or thrombosis. Progression is variable and sometimes slow, and the condition can even be life-threatening; therefore, it requires a precise diagnosis and early treatment.<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">1,2</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">We present the case of an 82-year-old woman, who was partially dependent and was using a colostomy bag due to perforated diverticulitis. In 2013, she underwent radiosurgery for a petroclival meningioma measuring 4<span class="elsevierStyleHsp" style=""></span>cm. She later developed non-communicating hydrocephalus due to external compression of the meningioma. As ventriculoperitoneal shunt was contraindicated due to the history of colostomy, she underwent ventriculoatrial shunt (VAS) implantation in December 2014 (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>).</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">In May 2019, the patient consulted our department due to global aphasia and right hemiparesis (muscle strength of 2/5), with onset upon waking. Given suspicion of stroke, we performed a multimodal CT scan, which revealed distal occlusion of the M1 segment of the left middle cerebral artery and favourable mismatch. The patient underwent mechanical thrombectomy, with angiography showing complete reperfusion. Despite this, neurological symptoms improved only slightly. A follow-up CT scan performed 24<span class="elsevierStyleHsp" style=""></span>hours after the procedure revealed an ischaemic lesion involving the left lentiform nucleus and insula.</p><p id="par0020" class="elsevierStylePara elsevierViewall">During her stay at the stroke unit, the patient presented oedema in the right arm, hindering the insertion of peripheral venous catheters. On the fifth day after admission, we also observed oedema in the face and contralateral arm; examination of the upper limbs yielded normal results. Given the suspicion of SVCS, we performed a Doppler ultrasound of the supra-aortic trunks, which revealed thrombosis of the internal jugular veins. We also requested a non-contrast chest, abdomen, and pelvis CT scan, which initially ruled out extrinsic venous compression or tumour and detected a displacement of the distal end of the VAS in the superior vena cava. A venography of the right arm confirmed thrombosis of the right subclavian vein, the brachiocephalic trunk, and the superior vena cava, with the latter showing contrast passage to the right atrium (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>). The venous system of the contralateral arm could not be studied due to the inability to insert a peripheral catheter.</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">After reassessing the patient's clinical situation, and having verified the correct functioning of the VAS, we opted for conservative treatment with enoxaparin at a therapeutic dose of 1<span class="elsevierStyleHsp" style=""></span>mg/kg every 12<span class="elsevierStyleHsp" style=""></span>hours. In the following weeks, we observed complete resolution of the facial oedema and partial resolution of the oedema in the arms.</p><p id="par0030" class="elsevierStylePara elsevierViewall">Aetiological study of stroke included a transthoracic echocardiography without echo-enhancing agents, which yielded normal results, and a transcranial Doppler ultrasound right-to-left shunt test, which showed positive results, suggesting a paradoxical embolism from the superior vena cava thrombosis.</p><p id="par0035" class="elsevierStylePara elsevierViewall">Global aphasia and right hemiparesis persisted. After clinical stability was achieved, the patient was discharged with prescription of anticoagulation therapy with warfarin at 32<span class="elsevierStyleHsp" style=""></span>mg weekly, for an indefinite period of time.</p><p id="par0040" class="elsevierStylePara elsevierViewall">SVCS is a complex clinical syndrome whose aetiology has changed over time. The most frequent cause is currently malignant mediastinal neoplasm, especially small-cell lung cancer and non-Hodgkin lymphoma.<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> However, the increasing use of semi-permanent intravascular (venous catheters, haemodialysis) and cardiac devices (pacemakers, defibrillators) has significantly contributed to the appearance of new cases, representing the first non-neoplastic cause of SVCS.<a class="elsevierStyleCrossRefs" href="#bib0095"><span class="elsevierStyleSup">4,5</span></a></p><p id="par0045" class="elsevierStylePara elsevierViewall">Ventricular shunt is one of the most widely used neurosurgical procedures in the treatment of hydrocephalus. Over the past 20 years, ventriculoperitoneal shunts have preferentially been used due to the technical challenge and the cardiopulmonary and renal complications observed with VAS.<a class="elsevierStyleCrossRefs" href="#bib0105"><span class="elsevierStyleSup">6–8</span></a> However, no published study has reported cases of SVCS, as observed in our patient. We can only refer to the literature published in the 1960s on children undergoing VAS placement due to hydrocephalus of non-neoplastic origin.<a class="elsevierStyleCrossRefs" href="#bib0120"><span class="elsevierStyleSup">9–11</span></a> The postulated mechanism states that atrial contraction during the cardiac cycle favours retrograde transmission of the movement to the rest of the catheter, whereas proximal displacement promotes thrombosis due to reduced mobility of the distal end in the superior vena cava.<a class="elsevierStyleCrossRef" href="#bib0135"><span class="elsevierStyleSup">12</span></a></p><p id="par0050" class="elsevierStylePara elsevierViewall">Cardioembolic aetiology accounts for 25% of ischaemic strokes. Less frequent cardioembolic causes include patent foramen ovale, which is present in 25% of the general population and is diagnosed in up to 40% of younger patients with otherwise cryptogenic stroke.<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">13</span></a></p><p id="par0055" class="elsevierStylePara elsevierViewall">From a therapeutic point of view, endovascular procedures (local fibrinolysis, percutaneous angioplasty) constitute the first line of treatment for SVCS secondary to intravascular devices.<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">14</span></a> The functional prognosis of our patient, the risk associated with invasive techniques, and the proper functioning of the VAS led us to opt for conservative treatment, achieving partial symptom resolution.</p><p id="par0060" class="elsevierStylePara elsevierViewall">The interest of this case resides in its unusual form of presentation: ischaemic stroke secondary to paradoxical embolism, which has not previously been reported. In fact, a retrospective series of 70 patients with ischaemic stroke of infrequent aetiology reported no cases of this clinical manifestation.<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">15</span></a></p><p id="par0065" class="elsevierStylePara elsevierViewall">In conclusion, considering the possible development of SVCS, it is essential to continuously monitor patients with semi-permanent intravascular devices, as the complications may be catastrophic.</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "⋆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Molina-Gil J, Calleja-Puerta S, Rico M. Infarto cerebral por embolismo paradójico secundario a síndrome de vena cava superior por malposición de un catéter de derivación ventriculoauricular. Neurología. 2021;36:325–327.</p>" ] ] "multimedia" => array:2 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 827 "Ancho" => 1674 "Tamanyo" => 122265 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">(A) Cranial CT scan showing the petroclival meningioma (asterisk) that caused compressive hydrocephalus, leading to the placement of a ventricular shunt. (B) CT scan showing the proximal end of the VAS at the right lateral ventricle.</p>" ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 636 "Ancho" => 1674 "Tamanyo" => 111259 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Venography showing contrast administration after catheterisation of the right cephalic vein. (A) Obstruction of the superior vena cava (arrow), with filiform passage of contrast to the right atrium (arrowhead); (B) collateral filling of thoracic wall veins towards the azygos vein (arrows).</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0015" "bibliografiaReferencia" => array:15 [ 0 => array:3 [ "identificador" => "bib0080" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Síndrome de vena cava superior: diagnóstico y tratamiento" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => "B. Pench-Alonso" 1 => "P. Arredondo-Ruiz" 2 => "L.M. González-Galván" 3 => "C. 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2024 November | 2 | 0 | 2 |
2024 October | 21 | 6 | 27 |
2024 September | 41 | 6 | 47 |
2024 August | 31 | 15 | 46 |
2024 July | 23 | 2 | 25 |
2024 June | 27 | 5 | 32 |
2024 May | 15 | 5 | 20 |
2024 April | 19 | 3 | 22 |
2024 March | 29 | 3 | 32 |
2024 February | 37 | 6 | 43 |
2024 January | 26 | 10 | 36 |
2023 December | 29 | 5 | 34 |
2023 November | 40 | 3 | 43 |
2023 October | 38 | 5 | 43 |
2023 September | 20 | 2 | 22 |
2023 August | 23 | 3 | 26 |
2023 July | 26 | 8 | 34 |
2023 June | 43 | 5 | 48 |
2023 May | 63 | 3 | 66 |
2023 April | 43 | 3 | 46 |
2023 March | 29 | 3 | 32 |
2023 February | 34 | 6 | 40 |
2023 January | 16 | 2 | 18 |
2022 December | 16 | 10 | 26 |
2022 November | 24 | 9 | 33 |
2022 October | 28 | 17 | 45 |
2022 September | 21 | 20 | 41 |
2022 August | 42 | 9 | 51 |
2022 July | 12 | 8 | 20 |
2022 June | 15 | 8 | 23 |
2022 May | 25 | 8 | 33 |
2022 April | 13 | 5 | 18 |
2022 March | 22 | 11 | 33 |
2022 February | 10 | 2 | 12 |
2022 January | 11 | 9 | 20 |
2021 December | 16 | 14 | 30 |
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2021 October | 17 | 10 | 27 |
2021 September | 27 | 9 | 36 |
2021 August | 15 | 17 | 32 |
2021 July | 14 | 5 | 19 |
2021 June | 17 | 7 | 24 |
2021 May | 47 | 6 | 53 |
2021 April | 56 | 6 | 62 |
2021 March | 2 | 1 | 3 |