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Inicio Neurología Trombosis aguda de la arteria basilar
Información de la revista
Vol. 25. Núm. S1.
Catástrofes neurológicas
Páginas 18-23 (octubre 2010)
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Vol. 25. Núm. S1.
Catástrofes neurológicas
Páginas 18-23 (octubre 2010)
Catástrofes neurológicas
Acceso a texto completo
Trombosis aguda de la arteria basilar
Acute basilar artery thrombosis
Visitas
38438
J.F. Arenillas Lara
Unidad de Ictus, Servicio de Neurología, Hospital Clínico Universitario, Valladolid, España
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Resumen

La trombosis aguda de la arteria basilar (TAB) ha sido considerada una catástrofe neurológica. Únicamente alrededor de un 20% de los pacientes alcanza un buen pronóstico con tratamiento convencional. Es importante establecer una sospecha diagnóstica precoz para evitar un retraso en el inicio del tratamiento. La evaluación diagnóstica incluye confirmación de la oclusión basilar y estimación de la viabilidad del tejido isquémico, y puede realizarse con resonancia magnética multiparamétrica o con angiotomografía computarizada combinada con sus imágenes fuente. La recanalización arterial precoz determina la posibilidad de alcanzar un buen pronóstico; sin embargo, se desconoce cuál es el mejor tratamiento de la TAB. No se ha demostrado que la trombólisis intraarterial sea superior a la intravenosa, de modo que en ausencia de contraindicaciones debe iniciarse cuanto antes la trombólisis intravenosa, que puede ser el tratamiento principal si no se cuenta con acceso al neurointervencionismo. Recientemente se han notificado tasas excelentes de buen pronóstico (50% de independencia funcional) empleando estrategias escalonadas de combinación de varias modalidades terapéuticas (trombólisis intravenosa ultraprecoz seguida de trombectomía mecánica endovascular de rescate). Estos resultados representan una esperanza para pacientes y neurólogos y suponen un reclamo para continuar innovando e investigando en este campo.

Palabras clave:
Ictus
Pronóstico
Trombosis basilar
Cuidados neurocríticos
Abstract

Acute basilar artery thrombosis (ABT) has been largely considered a neurological catastrophe. With conventional treatment, only around 20% of patients achieve functional independence. An early presumptive diagnosis is essential to avoid treatment delay. Either multiparametric magnetic resonance imaging or computed tomography angiography source images may represent valid non-invasive tools to confirm ABT and evaluate ischemic tissue viability.

The main determinant of ABT outcome is early recanalization but the most effective therapeutic option remains to be clarified. The BASICS prospective registry showed no superiority of intra-arterial over intravenous thrombolysis. Therefore, in the absence of contraindications, intravenous thrombolysis should be started as soon as possible and can be used as the main therapy when interventional procedures are not available. However, recent case series have reported high rates of functional independence (50%) after staged escalation therapy (ultra-early intravenous thrombolysis followed by on-demand endovascular mechanical thrombectomy). These results represent a hope for patients and neurologists and reinforce the need for innovation and research in this field.

Keywords:
Stroke
Outcome
Basilar thrombosis
Neurocritical care
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Bibliografía
[1.]
W.J. Schonewille, A. Algra, J. Serena, C.A. Molina, L.J. Kappelle.
Outcome in patients with basilar artery occlusion treated conventionally.
J Neurol Neurosurg Psychiatry., 76 (2005), pp. 1238-1241
[2.]
T. Brandt, M. Knauth, S. Wildermuth, R. Winter, R. Von Kummer, K. Sartor, et al.
CT angiography and doppler sonography for emergency assessment in acute basilar artery ischemia.
Stroke., 30 (1999), pp. 606-612
[3.]
M. Ribó, Z. Garami, K. Uchino, J. Song, C.A. Molina, A.V. Alexandrov.
Detection of reversed basilar flow with power-motion Doppler after acute occlusion predicts favorable outcome.
[4.]
J. Pagola, M. Ribó, J. Álvarez-Sabín, M. Lange, M. Rubiera, C.A. Molina.
Timing of recanalization after microbubble-enhanced intravenous thrombolysis in basilar artery occlusion.
Stroke., 38 (2007), pp. 2931-2934
[5.]
J.L. Ostrem, J.L. Saver, J.R. Alger, S. Starkman, M.C. Leary, G. Duckwiler, et al.
Acute basilar artery occlusion: Diffusion-perfusion MRI characterization of tissue salvage in patients receiving intra-arterial stroke therapies.
[6.]
D. Renard, N. Landragin, A. Robinson, H. Brunel, A. Bonafe, C. Heroum, et al.
MRI-based score for acute basilar artery thrombosis.
Cerebrovasc Dis., 25 (2008), pp. 511-516
[7.]
G.V. Goldmakher, E.C. Camargo, K.L. Furie, A.B. Singhal, L. Roccatagliata, E.F. Halpern, et al.
Hyperdense basilar artery sign on unenhanced CT predicts thrombus and outcome in acute posterior circulation stroke.
[8.]
P. Schramm, P.D. Schellinger, E. Klotz, K. Kallenberg, J.B. Fiebach, S. Kulkens, et al.
Comparison of perfusion computed tomography and computed tomography angiography source images with perfusion-weighted imaging and diffusion-weighted imaging in patients with acute stroke of less than 6 hours’ duration.
[9.]
V. Puetz, P.N. Sylaja, S.B. Coutts, M.D. Hill, I. Dzialowski, P. Mueller, et al.
Extent of hypoattenuation on CT angiography source images predicts functional outcome in patients with basilar artery occlusion.
Stroke., 39 (2008), pp. 2485-2490
[10.]
V. Puetz, P.N. Sylaja, M.D. Hill, S.B. Coutts, I. Dzialowski, U. Becker, et al.
CT angiography source images predict final infarct extent in patients with basilar artery occlusion.
AJNR Am J Neuroradiol., 30 (2009), pp. 1877-1883
[11.]
P.W. Schaefer, A.J. Yoo, D. Bell, E.R. Barak, J.M. Romero, R.G. Nogueira, et al.
CT angiography-source image hypoattenuation predicts clinical outcome in posterior circulation strokes treated with intra-arterial therapy.
Stroke., 39 (2008), pp. 3107-3109
[12.]
Tissue plasminogen activator for acute ischemic, stroke.
The National Institute of Neurological Disorders and Stroke rt-PA Stroke Study Group.
N Engl J Med., 333 (1995), pp. 1581-1587
[13.]
W. Hacke, M. Kaste, E. Bluhmki, M. Brozman, A. Dávalos, D. Guidetti, et al.
for the ECASS Investigators. Thrombolysis with alteplase 3 to 4·5 hours after acute ischemic stroke.
N Engl J Med., 359 (2008), pp. 1317-1329
[14.]
M. Arnold, K. Nedeltchev, G. Schroth, R.W. Baumgartner, L. Remonda, T.J. Loher, et al.
Clinical and radiological predictors of recanalisation and outcome of 40 patients with acute basilar artery occlusion treated with intra-arterial thrombolysis.
J Neurol Neurosurg Psychiatry., 75 (2004), pp. 857-862
[15.]
W.J. Schonewille, C.A. Wijman, P. Michel, C.M. Rueckert, C. Weimar, H.P. Mattle, BASICS study group, et al.
Treatment and outcomes of acute basilar artery occlusion in the Basilar Artery International Cooperation Study (BASICS): a prospective registry study.
Lancet Neurol., 8 (2009), pp. 724-730
[16.]
G.A. Donan, S.M. Davis, P.D. Schellinger, W. Hacke.
Intraarterial thrombolysis is the treatment of choice for basilar thrombosis: Pro.
[17.]
P.J. Lindsberg, H.P. Mattle.
Therapy of basilar artery occlusion: a systematic analysis comparing intra-arterial and intravenous thrombolysis.
[18.]
E. Martínez-Fernández, A. González, A. Gil-Peralta, J.R. González-Marcos, A. Mayol Deyá.
Outcome of intraarterial procedures in acute ischemic stroke.
Neurología., 23 (2008), pp. 21-28
[19.]
Dávalos A. Protocolos de neurointervencionismo y de tratamiento trombolítico en situaciones especiales en el ictus isquémico agudo. Ed 2009.
[20.]
M. Bergui, G. Stura, D. Daniele, P. Cerrato, M. Berardino, G.B. Bradac.
Mechanical thrombolysis in ischemic stroke attributable to basilar artery occlusion as first-line treatment.
[21.]
S. Nagel, P.D. Schellinger, M. Hartmann, E. Juettler, H.B. Huttner, P. Ringleb, et al.
Therapy of acute basilar artery occlusion: intraarterial thrombolysis alone vs bridging therapy.
[22.]
B. Eckert, C. Koch, G. Thomalla, T. Kucinski, U. Grzyska, J. Roether, et al.
Aggressive therapy with intravenous abciximab and intra-arterial rtPA and additional PTA/stenting improves clinical outcome in acute vertebrobasilar occlusion: combined local fibrinolysis and intravenous abciximab in acute vertebrobasilar stroke treatment (FAST): results of a multicenter study.
[23.]
T. Pfefferkorn, T.E. Mayer, C. Opherk, N. Peters, A. Straube, H.W. Pfister, et al.
Staged escalation therapy in acute basilar artery occlusion: intravenous thrombolysis and on-demand consecutive endovascular mechanical thrombectomy: preliminary experience in 16 patients.
Stroke., 39 (2008), pp. 1496-1500
Copyright © 2010. Sociedad Española de Neurología
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