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Responsiveness to nutritional intervention would impact on future cardiovascular prognosis in poor fitness patients

Session Poster Session 3

Speaker Mariko Ehara

Event : ESC Congress 2019

  • Topic : preventive cardiology
  • Sub-topic : Nutrition, Malnutrition and Heart Disease
  • Session type : Poster Session

Authors : M Ehara (Nagoya,JP), K Shibata (Nagoya,JP), M Kameshima (Nagoya,JP), H Fujiyama (Nagoya,JP), M Terai (Nagoya,JP), K Shimizu (Nagoya,JP), Y Matsui (Nagoya,JP), Y Higashida (Nagoya,JP), M Watanabe (Nagoya,JP), A Shimada (Nagoya,JP), Y Ohkawa (Nagoya,JP), S Yamada (Nagoya,JP)

M. Ehara1 , K. Shibata1 , M. Kameshima1 , H. Fujiyama1 , M. Terai1 , K. Shimizu1 , Y. Matsui2 , Y. Higashida1 , M. Watanabe1 , A. Shimada1 , Y. Ohkawa1 , S. Yamada2 , 1Nagoya Heart Center - Nagoya - Japan , 2Nagoya University - Nagoya - Japan ,

European Heart Journal ( 2019 ) 40 ( Supplement ), 1491

Purpose: Nutritional improvement has been proposed for long-term cardiovascular prognosis as well as fitness recovery. We aimed to examine whether “responsiveness” to nutritional and exercise interventions would impact patients' cardiovascular prognosis even patients in low baseline fitness level.

Methods: We included 254 consecutive patients who participated in the phase II comprehensive cardiovascular rehabilitation (CCR) for at least three months. All patients underwent cardiopulmonary exercise test (CPX) at the initial and completion phases of CCR. Nutritional guidance was periodically performed individually during CCR. Peak oxygen uptake (PVO2) was measured through CPX to evaluate the fitness level, whereas nutritional status was evaluated using the geriatric nutritional risk index (GNRI). Patients were divided into “low fitness” and “normal fitness” groups based on the median of baseline PVO2. Each group was further classified into four categories according to the changes in VO2 and GNRI during CCR: “Both NOT improved”, “Only GNRI improved”, “Only PVO2 improved”, and “Both improved”.

Results: Cox proportional regression analysis showed that the category of “both NOT improved” was an independent predictor for cardiovascular risk among the baseline low fitness group (Hazard ratio: 4.5, p=0.007); whereas no significant difference among the normal fitness group. Kaplan-Meier analysis revealed that the event-free survival rate was significantly lower in the “both NOT improved” category (log rank p=0.002) among the baseline low fitness group (figure); whereas no significant difference among the normal fitness group.

Conclusion: Responsiveness to nutritional and exercise intervention could be a predictive factor of cardiovascular prognosis even in low fitness patients.

GNRI/PVO2 improvement vs. prognosis

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