title: Nutritional status of patients requiring cardiac surgery.
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D001834:Body Water / Q000378:metabolism; D005260:Female; D006349:Heart Valve Diseases / Q000150:complications* / Q000378:metabolism / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000401:mortality*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D009584:Nitrogen / Q000378:metabolism; D009748:Nutrition Disorders / Q000150:complications* / Q000175:diagnosis / Q000401:mortality; D011188:Potassium / Q000032:analysis / Q000378:metabolism
chemical_list: D009584:Nitrogen; D011188:Potassium