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The significance of crossovers after randomization in the STICH trial

Lookup NU author(s): Dr Barbara Gregson, Parameswaran Bhattathiri, Patrick Mitchell, Professor Alexander Mendelow

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Abstract

Introduction. Of all forms of stroke, spontaneous intracerebral haemorrhage (ICH) causes the highest morbidity and mortality. The Surgical Trial in Intracerebral Haemorrhage (STICH) found no difference in outcomes between patients randomized to surgical or conservative treatment. Patients and methods. Of 530 patients randomized to initial conservative treatment, 140 crossed over to surgery. This study examines the variables associated with crossover. Results. Dominant features of the crossover group were: male, (p = 0.04), right-sided clot (p = 0.03), lobar clot (p = 0.003), clot volume (median 64 mL for crossovers vs. 38 mL for others, p < 0.00001), midline shift (median 6 rum for crossovers vs. 3 mm for others, p < 0.00001), superficial clot (median 1.3 mm for cross-overs vs. 11.5 mm for others, p < 0.00001), and randomization within 12 hours of ictus (p < 0.0005). Thalamic location (p = 0.002) was under-represented. Intraventricular haemorrhage, hydrocephalus, and focal deficits were not associated with crossover. Craniotomy was the method of evacuation in 85% of crossover patients. Conclusions. Crossover to surgery was more likely when ICH had these features: Right side, lobar location, superficial, large volume, big shift, and early randomization. Crossovers formed a worse prognostic group compared to non-crossovers. Surgery did not affect trial results, which were analyzed by intention-to-treat.


Publication metadata

Author(s): Prasad KSM, Gregson BA, Bhattathiri PS, Mitchell P, Mendelow AD

Editor(s): Hoff, J.T., Keep, R.F., Xi, G., Hua, Y.

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Acta Neurochirurgica Supplementa: Brain Edema XIII

Year of Conference: 2006

Pages: 61-64

ISSN: 0065-1419

Publisher: Springer

URL: http://dx.doi.org/10.1007/3-211-30714-1_15

DOI: 10.1007/3-211-30714-1_15

Library holdings: Search Newcastle University Library for this item

ISBN: 9783211307120


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