The effects of fatigue, pain, and depression on quality of life in ischemic stroke patients: the Bergen Stroke Study

Halvor Naess, Lene Lunde, Jan Brogger, Halvor Naess, Lene Lunde, Jan Brogger

Abstract

Background: Many patients with cerebral infarction suffer from symptoms such as pain, fatigue, and depression. The aim of this study was to evaluate these symptoms in relation to health-related quality of life (HRQoL) on long-term follow-up.

Materials and methods: All surviving stroke patients admitted to the Stroke Unit, Haukeland University Hospital, Norway between February 2006 and November 2008 were sent a questionnaire, including a visual analog pain scale, Fatigue Severity Scale, Depression Subscale of Hospital Anxiety and Depression Scale, Barthel Index, and three measures of HRQoL--15D, EuroQol, and EuroQol Visual Analogue Scale--at least 6 months after stroke onset. Cox regression survival analysis, including EQ-5D, was performed by November 2009.

Results: The questionnaire was returned by 328 patients. All three symptoms were reported by 10.1% of the patients, and 26% reported two symptoms. There was a significant association between worse HRQoL scores and an increasing number of cooccurring symptoms for all three HRQoL scores. Fatigue, depression, pain, functional state, and sleeping disorder on follow-up accounted for 58%-83% of the variability in HRQoL, depending on which HRQoL scale was used. Cox regression analysis showed that mortality was associated with a low EuroQol score (P = 0.016).

Conclusion: Pain, fatigue, and depression were common symptoms among these stroke patients and, to a large extent, they determined the patients' HRQoL. Low HRQoL was associated with increased mortality.

Keywords: cerebral infarction; mortality; symptoms.

Figures

Figure 1
Figure 1
Quality of life at follow-up in relation to none, one, two, or three of the symptoms (pain, fatigue, and depression) in patients with cerebral infarction. Abbreviations: EQ-VAS, EuroQol Visual Analogue Scale; EQ-5D, EuroQol.

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