Date Published: 2 July 2010

Prolonged depression slows stroke recovery

Health News from Liverpool, England (UK).

Depression is preventing around one in seven stroke patients from making a good physical recovery, according to a recent study at the University of Leeds.

The impact of depression on recovery from stroke has been largely underestimated and patients' psychological wellbeing should be monitored much more closely, according to the researchers.

Around a third of people experience depression after a stroke. Doctors often assume that this downturn in mood is to be expected and that it will be short-lived.

However, a study of over 400 stroke survivors revealed that in around 15% of patients, this downturn in mood can be severe and last for several months. In addition, one year after the stroke, patients with prolonged depression were more likely to have problems with speech and movement. Those with persistently poor mood were still struggling with simple tasks such as walking upstairs or holding a conversation.

Yet the psychological wellbeing of stroke survivors is seldom monitored. Patients are often given antidepressants but those who would benefit from extra help to combat their depression - in addition to prescribed drugs - are not identified.

" There are all sorts of reasons why stroke survivors who succumb to depression do worse," said Dr Kate Hill, who led the study. "They may not be engaging in their rehab, they may not be taking their medication, and they may become more socially isolated."

" The label of post-stroke depression is extremely common, especially in elderly care wards. Our results suggest that a policy of 'watch and wait' would be better rather than automatically giving out anti-depressants," she said.

After monitoring stroke survivors, the University of Leeds researchers discovered that patients fell into one of four different groups. Some had depression that improved relatively quickly, but at the other end of the scale, some were still suffering considerable psychological distress after six months.

" Some patients' mood will improve after a short time but others will remain depressed for several months. We need a longer term view of looking at psychological effects after stroke," Dr Hill said.

The researchers also found that patients with persistent depression after a stroke were most likely to have had psychological health problems in the past.

" If we can understand how people are likely to react after a stroke, for instance by looking at how they responded to previous psychological health problems, we can perhaps find better ways of managing the associated depression," Dr Hill said.

The research, which was funded by The Stroke Association and the NHS Service Delivery and Organisation Research and Development programme, is published online today in Stroke.

Dr Sharlin Ahmed, Research Liaison Officer at The Stroke Association said:

" Because a stroke happens in the brain, it can result in many different effects. Most people recognise the physical symptoms, but often the psychological changes are ignored. This valuable work by Dr Hill and her team investigates an issue that affects thousands of stroke survivors. Greater understanding about the links between depression and stroke will help medical professionals to better manage the condition."


Source: Leeds University, England (UK)..

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