• Yasuhiro Arai, Toru Kimura, Yuki Takahashi, Takashi Hashimoto, Mamoru Arakawa, and Homare Okamura.
• Department of Rehabilitation, Nerima Hikarigaoka Hospital, 2-11-1 Hikarigaoka Nerima-ku, Tokyo, 179-0072, Japan.
• Gen Thorac Cardiovasc Surg. 2018 Nov 1; 66 (11): 632-640.

ObjectiveProgression of cardiac rehabilitation after cardiovascular surgery can be affected by frailty. The nutritional status of the patient has been proposed as an indicator of frailty. In this study, we aimed to evaluate the influence of preoperative nutritional status on the progress of postoperative cardiac rehabilitation.MethodsThis study included 146 patients (82 males, 64 females, average age 71.9 ± 12.0 years) who underwent elective cardiovascular surgery. In-hospital mortality cases were excluded to focus on postoperative cardiac rehabilitation. We classified patients with a Geriatric Nutritional Risk Index of 92 or higher as the good nutrition group and those with a Geriatric Nutritional Risk Index less than 92 as the malnutrition group. Preoperative patient characteristics and postoperative cardiac rehabilitation progress were compared between the good nutrition (n = 93) and malnutrition (n = 53) groups.ResultsThe patients in the good nutrition group had an earlier progression to walking after postoperative rehabilitation (p = 0.002), a shorter postoperative hospital stay (p = 0.004), and a higher rate of discharge home (p = 0.028) than those in the malnutrition group. Multivariable analysis demonstrated preoperative malnutrition to be an independent predictor for the day to 100 m walking (p = 0.010).ConclusionsPreoperative nutritional status was associated with progression of postoperative cardiac rehabilitation.

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