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Relation of nutritional status to physiological outcomes after cardiac surgery in elderly patients with diabetes mellitus: a preliminary study

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Abstract

Background and aims

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.

Conclusion

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.

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Authors and Affiliations

  1. Graduate School of Health Sciences, Kobe University, 7-10-2, Tomogaoka, Suma-ku, Kobe, 654-0142, Japan

    Kazuhiro P. Izawa

  2. Department of Rehabilitation Medicine, St. Marianna University School of Medicine Hospital, 2-16-1 Sugao, Miyamae-Ku, Kawasaki, 216-8511, Japan

    Satoshi Watanabe

Authors
  1. Kazuhiro P. Izawa
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  2. Satoshi Watanabe
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Corresponding author

Correspondence to Satoshi Watanabe.

Ethics declarations

The participants received oral explanations of the research procedures from the researchers.

Conflict of interest

There are no conflicts of interest to report in relation to this study.

Ethical approval

This study was approved by the St. Marianna University School of Medicine Institutional Committee on Human Research.

Informed consent

Informed consent was obtained from each patient.

Additional information

Work was performed in the Department of Rehabilitation Medicine, St. Marianna University School of Medicine Hospital, Kanagawa, Japan.

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Izawa, K.P., Watanabe, S. Relation of nutritional status to physiological outcomes after cardiac surgery in elderly patients with diabetes mellitus: a preliminary study. Aging Clin Exp Res 28, 1267–1271 (2016). https://doi.org/10.1007/s40520-015-0520-3

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  • DOI: https://doi.org/10.1007/s40520-015-0520-3

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