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        "titulo" => "Resumen"
        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Se analizan retrospectivamente 258 casos consecutivos de hemorragia subaracnoidea idiop&#225;tica&#44; tratados durante los a&#241;os 1974&#8211;1991&#59; &#233;stos representan el 34&#37; del total de hemorragias subaracnoideas diagnosticadas en el mismo per&#237;odo&#46; Se discuten los datos cl&#237;nicos y radiol&#243;gicos de &#233;sta en entidad y se comparan con los de la hemorrragia subaracnoidea aneurism&#225;tica&#44; comprob&#225;ndose una menor incidencia de complicaciones neurol&#243;gicas &#40;isquemia 8&#37; y resangrado 6&#37;&#41; y una mejor evoluci&#243;n final &#40;90&#44;3&#37; independientes y s&#243;lo un 5&#44;4&#37; de mortalidad&#41; que en los pacientes con aneurisma&#46; Asimismo&#44; se analiza la distribuci&#243;n de sangre en las cisternas subaracnoideas&#44; apreci&#225;ndose una mayor afectaci&#243;n de las cisternas peritruncales &#40;interpeduncular y ambiens&#41;&#46; Se desaconseja repetir el estudio angiogr&#225;fico si &#233;ste es completo y de buena calidad&#44; pudi&#233;ndose repetir &#233;ste si existe resangrado&#44; si el grado cl&#237;nico inicial es malo&#44; si hubo vasoespasmo en el estudio angiogr&#225;fico&#44; o si la TC al ingreso muestra una extensa distribuci&#243;n de sangre por cisternas basales&#46;</p>"
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        "resumen" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A series of 258 cases of subarachnoid hemorrhage of unknown etiology &#40;SAHUE&#41; is analyzed&#46; These cases represent 34&#37; of the total cases of primary subarachnoid hemorrhage diagnosed during the same period&#46; The clinical and radiological findings in patients with SAHUE are compared with those in patients with ruptured aneurysm&#46; The most important neurological complications i&#46;e&#46;&#44; ischemia and rebleeding had a lower incidence in patients with SAHUE &#40;8&#37; and 6&#37; respectively&#41; and the final outcome was more favourable than in patients with ruptured aneurysm &#40;90&#44;3&#37; of the patients recovered and only 5&#44;4&#37; died&#41;&#46; The analysis of the location of extravasated blood in patients with SAHUE showed a preferent distribution in the interpeduncular and ambiens cisterns&#44; in contrast to patients with ruptured aneurysms&#46; Concerning misdiagnosis resulting from an overlooked aneurysm at initial angiography&#44; we suggest that cerebral angiography should be repeated when 1&#41; the initial study shows vasospasm&#44; 2&#41; when rebleeding occurs&#44; 3&#41; if the initial clinical grade is bad and&#44; 4&#41; when the initial CT sean shows diffuse subarachnoid bleeding through the basal cisterns&#46;</p>"
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        "nota" => "<p class="elsevierStyleNotepara">G&#243;mez&#44; P&#46;A&#46;&#59; Rivas&#44; J&#46;J&#46;&#59; Lobato&#44; R&#46;D&#46;&#59; Cabrera&#44; A&#46;&#59; Alday&#44; R&#46;&#59; Castro&#44; S&#46;&#59; Ortega&#44; J&#46;M&#46;&#59; Sandoval&#44; H&#46;&#59; Lamas&#44; E&#46;&#58; Hemorragia subaracnoidea idiop&#225;tica&#46; Estudio cl&#237;nico de una serie de 258 casos&#46; Neurocirug&#237;a 1992&#59; 3&#58; 197&#8211;205&#46;</p>"
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