• H B Huttner, E Tognoni, J Bardutzky, M Hartmann, M Köhrmann, I-C Kanter, E Jüttler, P D Schellinger, and S Schwab.
• Department of Neurology, University of Erlangen, Erlangen, Germany. hagen.huttner@uk-erlangen.de
• Eur. J. Neurol. 2008 Apr 1;15(4):342-9.

AbstractOver the recent years, fibrinolytic agents have been tested for intraventricular clot fibrinolysis (IVF). Compared with patients who did not receive IVF, administration of rt-PA induces rapid resorption of intraventricular blood and normalization of cerebrospinal fluid (CSF) circulation resulting in a reduced 30-day mortality and beneficial short-term outcome after 3 months. Our objective was to analyze possible influences of IVF on the long-term outcome after 12 months. Based on a prospective data base, patients with ganglionic supratentorial hematoma with additional intraventricular hemorrhage and occlusive hydrocephalus (n = 135) were isolated. Twenty-seven patients received IVF. To design a case-control study, we carefully matched 22 controls without IVF with regard to hematoma volume, Graeb score, Glasgow Coma Scale on admission and age (five patients remained unmatchable). We determined clinical and imaging parameters by reviewing the medical records and CT scans of all included patients. Outcome after 12 months was evaluated using the modified Rankin scale (mRS). One multivariate regression analysis was performed to determine predisposing factors for outcome. IVF significantly reduced Graeb score during treatment (eight on admission, three after IVF, one prior to discharge in the treated group versus 8/6/2 in patients without IVF). In patients with IVF requirement, a second external ventricular drainage (EVD) and a ventriculoperitoneal (VP) shunt were reduced (P = 0.08) and the incidence of a lumbar drainage was significantly higher (P < 0.01), whilst the overall time of extra-corporal CSF drainage was comparable. EVD associated complications were equal in both groups. Overall long-term outcome was poor but no significant differences were found between patients with and without IVF (mRS 4-6: 12/22 (54%) in patients with and 13/22 (59%) in patients without IVF; P = 0.81). The five excluded patients with IVF were similar to the 22 included ones with respect to imaging findings and outcome. The multivariate analysis revealed age and baseline hematoma volume, but not IVF to significantly impact the outcome. In accordance with previous studies, IVF hastened clot lysis and reduced the need for repeated EVD exchanges and permanent shunting. However, despite these advantages, IVF did not influence long-term outcome after 12 months. The results of the prospective randomized trial (Clot Lysis: Evaluating Accelerated Resolution of Intraventricular Hemorrhage) need to be awaited.

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