Abstract:
BACKGROUND AND PURPOSE:Outcome after acute stroke is determined to a large extent by poststroke complications. Nutritional status and metabolic balance may substantially contribute to outcome after stroke. Key mechanisms of stroke pathophysiology can induce systemic catabolic imbalance with impaired metabolic efficiency and degradation of body tissues. SUMMARY:Tissue wasting, sarcopenia, and cachexia may impair and delay poststroke rehabilitation and worsen the prognosis. Although current guidelines for secondary prevention after stroke recommend weight reduction, increasing evidence suggests that patients who are overweight and mildly obese may actually have a better outcome. An "obesity paradox" has been identified to describe the contrasting impact of being overweight in patients with chronic illness compared with healthy populations. We present an overview on the metabolic regulation in patients with stroke and evaluate current data on the impact of body weight and weight change after stroke. The emerging picture suggests that being overweight and obese may impact patients with stroke differently than it does healthy subjects. CONCLUSIONS:We propose that current knowledge on obesity and its management in primary prevention cannot be transferred to patients with established stroke. Systematic studies on changes in body composition after stroke and on treatment options are warranted to establish the pathophysiology and evidence-driven management of nutritional status in these patients.
journal_name
Strokejournal_title
Strokeauthors
Scherbakov N,Dirnagl U,Doehner Wdoi
10.1161/STROKEAHA.111.619163subject
Has Abstractpub_date
2011-12-01 00:00:00pages
3646-50issue
12eissn
0039-2499issn
1524-4628pii
STROKEAHA.111.619163journal_volume
42pub_type
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