Abstract

Background Recurrent intracerebral hemorrhage (ICH) is a devastating illness among stroke survivors. We investigated the rate and characteristics of ICH recurrence in Izumo City, Japan. Methods The recurrence rate of ICH was calculated for 279 patients who suffered their first-ever ICH between 1991 and 1998 and were followed up during a mean period of 3.0 years (range, 1 month to 11 years). The characteristics of recurrent ICH were evaluated for 42 patients who were treated for it between 1991 and 1998. Results Of the 279 patients with ICH, 19 (7%) had rebleeding; the recurrence rate was 2.3% per year. Analysis of the 42 patients with recurrent ICH showed that the most common pattern of recurrence was ganglionic-ganglionic (n = 25). The crude and the age- and sex-adjusted annual incidence rates for recurrent ICH were both 6 per 100 000 population. Of the 42 patients with recurrent ICH, 16 (38%) had a favorable outcome at discharge and 10 (24%) died. The overall 1-year survival rate for recurrent ICH was 72%. Intraventricular hemorrhage on computed tomography scans was the only significant predictor of not only ICH recurrence but also the 1-year case-fatality rate in patients with recurrent ICH. Conclusions Recurrence after an initial ICH is not rare, and the most common pattern of recurrence is ganglionic-ganglionic. Whereas the functional outcome of recurrent ICH is unsatisfactory, the 1-year survival rate is not necessarily low. Intraventricular hemorrhage on computed tomography scans is an important predictor of both ICH recurrence and the 1-year case-fatality rate in patients with recurrent ICH.

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