title: Relation of nutritional status to physiological outcomes after cardiac surgery in elderly patients with diabetes mellitus: a preliminary study.
abstract: OBJECTIVE
  To determine differences in physiological outcome (PO) based on the Geriatric Nutritional Risk Index (GNRI) and cut-off values for PO according to the GNRI in elderly post-cardiac surgery patients complicated by diabetes mellitus (DM).
  
  
  METHODS
  Thirty-five patients (72.9 years) were enrolled and divided by GNRI. Patient characteristics and PO of handgrip strength (HG), knee extensor muscle strength (KEMS), maximum gait speed (GS), and one-leg standing time (OLST) were compared between the groups, and cut-off values for PO were determined.
  
  
  RESULTS
  These POs were significantly lower in the low-GNRI group (<92 points) than in the high-GNRI (≥92 points) group. The cut-off values for PO were HG, 22.7 kgf; KEMS, 41.5 %BW; GS, 1.2 m/sec; and OLST, 6.7 s.
  
  
  CONCLUSIONS
  Nutritional status might influence PO following cardiac surgery. The cut-off values of PO reported here might be indicative of the need to improve patient nutritional status.
authors.affiliation: Graduate School of Health Sciences, Kobe University, 7-10-2, Tomogaoka, Suma-ku, Kobe, 654-0142, Japan.
authors.forename: Kazuhiro P
authors.initials: KP
authors.lastname: Izawa
authors.affiliation: Department of Rehabilitation Medicine, St. Marianna University School of Medicine Hospital, 2-16-1 Sugao, Miyamae-Ku, Kawasaki, 216-8511, Japan. Rehawatanabe@marianna-u.ac.jp.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Watanabe
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006348:Cardiac Surgical Procedures / Q000379:methods*; D003430:Cross-Sectional Studies; D003920:Diabetes Mellitus / Q000503:physiopathology*; D005260:Female; D015577:Geriatric Assessment; D018737:Hand Strength / Q000502:physiology; D006801:Humans; D007717:Knee / Q000502:physiology; D007719:Knee Joint / Q000502:physiology; D008297:Male; D053580:Muscle Strength / Q000502:physiology*; D015596:Nutrition Assessment; D009752:Nutritional Status
keywords: Cardiac surgery; Diabetes; Elderly; Geriatric Nutritional Risk Index; Nutritional status; Physiological outcome