Rates of intracerebral haemorrhage in Australia appear to be falling

Posted: Published on December 12th, 2014

This post was added by Dr Simmons

PUBLIC RELEASE DATE:

11-Dec-2014

Contact: John Worthington John.Worthington@sswahs.nsw.gov.au 61-419-293-985 University of New South Wales @UNSWnews

Stroke is Australia's second biggest killer after coronary heart disease, but rates of a common type of stroke, intracerebral haemorrhage (ICH), appear to be falling, according to a UNSW study that is the largest of its kind in Australia.

ICH accounts for about 15% of all strokes. Close to 40% of patients will die within 30 days and significant disability is common in survivors.

The improvement in the incidence of ICH may be the result of the widespread implementation of proven prevention and treatment programs, the researchers say.

The large retrospective, observational study of NSW hospital admissions and registered deaths data found that fatal ICH had declined by an average of 2.6% per year over eight years. ICH incidence overall declined by an average of 1.6% per year.

The study involved data from 11,322 ICH patients admitted to hospital in NSW between 2001 and 2009, linked to death registrations to July 2010. The inclusion of such a large number of identified ICH cases from within a clearly defined geographical area is one of the study's strengths.

Declining ICH rates suggest better recognition and management of blood pressure is proving effective. Greater access to stroke and neurosurgical units, and advances in stroke care may also explain falling fatality rates, the researchers say.

"The risk of mortality and disability is still high after intracerebral haemorrhage, so more needs to be done, but there is evidence that the preventative measures and better stroke care put in place during the past decade are working," says UNSW Conjoint Associate Professor John Worthington, the study's author, who is based at the UNSW South Western Sydney Clinical School and the Ingham Institute for Applied Medical Research.

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Rates of intracerebral haemorrhage in Australia appear to be falling

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