title: Two studies: long-term cognitive decline after bypass surgery; Alzheimer's gene linked to earlier bypass.
mesh_terms: D000544:Alzheimer Disease / Q000209:etiology / Q000235:genetics*; D001057:Apolipoproteins E / Q000235:genetics; D003072:Cognition Disorders / Q000209:etiology*; D001026:Coronary Artery Bypass; D006331:Heart Diseases / Q000235:genetics / Q000601:surgery*; D006355:Heart-Lung Machine / Q000009:adverse effects*; D006801:Humans
chemical_list: D001057:Apolipoproteins E