IngentaConnect Chronic obstructive pulmonary disease as a risk factor for stroke...

Authors: De Reuck, J.¹; Proot, P.¹; Van Maele, G.²

Source: European Journal of Neurology, Volume 14, Number 9, September 2007 , pp. 989-992(4)

Abstract:

Chronic obstructive pulmonary disease (COPD) is a risk factor for cardiovascular disorders and different types of stroke. The present retrospective study investigates whether COPD is also a risk factor for the development of seizures in stroke patients. The study population consisted of 237 patients with stroke-related seizures. The control population was composed of 939 patients, admitted for a stroke between 2002 and 2004 and who did not develop epileptic spells on a follow up of 2 years. The stroke type and aetiology, and the vascular risk factors, including COPD, were compared. The seizure patients were older (P = 0.009) and had more arterial hypertension (P = 0.046) and cardiac-embolic strokes (P = 0.045) than the control group. On logistic regression only partial anterior circulation syndrome/infarct (PACS/I) and COPD (P < 0.001) emerged as independent risk factors for the development of seizures in stroke patients. The occurrence of seizures was not related to the severity of the COPD or to its type of treatment. The present study confirms that seizures occur most frequently in patients with a PACS/I. Although we were unable to demonstrate why COPD is a risk factor for seizures in stroke patients, its frequent associated nocturnal oxygen desaturation seems to be the most plausible explanation. Further prospective are needed to assess the role of COPD as a possible independent risk factor for stroke-related seizures.

Keywords: chronic obstructive pulmonary disease; COPD medication; stroke aetiology; stroke type; stroke-related seizures; vascular risk factors

Document Type: Research article

DOI: 10.1111/j.1468-1331.2007.01829.x

Affiliations: 1: Department of Neurology, University Hospital, Ghent, Belgium 2: Department of Medical Statistics, University Hospital, Ghent, Belgium

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Chronic obstructive pulmonary disease as a risk factor for stroke-related seizures