Intraventricular thrombolysis speeds blood clot resolution: results of a pilot, prospective, randomized, double-blind, controlled trial.

Abstract:

OBJECTIVE:Animal models and clinical studies suggest that intraventricular thrombolysis improves clot resolution and clinical outcomes among patients with intraventricular hemorrhage. However, this intervention may increase the rates of rebleeding and infection. To assess the safety and efficacy of intraventricular thrombolysis, we conducted a pilot, randomized, double-blind, controlled, multicenter study. METHODS:Patients with intraventricular hemorrhage requiring ventriculostomy were randomized to receive intraventricular injections of normal saline solution or urokinase (25000 international units) at 12-hour intervals. Injections continued until ventricular drainage was discontinued according to prespecified clinical criteria. Head computed tomographic scans were obtained daily, for quantitative determinations of intraventricular hemorrhage volumes. The rate of clot resolution was estimated for each group. RESULTS:Twelve subjects were enrolled (urokinase, seven patients; placebo, five patients). Commercial withdrawal of urokinase precluded additional enrollment. The urokinase and placebo groups were similar with respect to age (49.6 versus 55.2 yr, P = 0.43) and presenting Glasgow Coma Scale scores (7.14 versus 8.00, P = 0.72). Randomization to the urokinase treatment arm (P = 0.02) and female sex (P = 0.008) favorably affected the clot resolution rate. The sex-adjusted clot half-life for the urokinase-treated group was reduced 44.6%, compared with the value for the placebo group (4.69 versus 8.48 d). CONCLUSION:Intraventricular thrombolysis with urokinase speeds the resolution of intraventricular blood clots, compared with treatment with ventricular drainage alone.

journal_name

Neurosurgery

journal_title

Neurosurgery

authors

Naff NJ,Hanley DF,Keyl PM,Tuhrim S,Kraut M,Bederson J,Bullock R,Mayer SA,Schmutzhard E

doi

10.1227/01.neu.0000108422.10842.60

keywords:

subject

Has Abstract

pub_date

2004-03-01 00:00:00

pages

577-83; discussion 583-4

issue

3

eissn

0148-396X

issn

1524-4040

journal_volume

54

pub_type

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