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. 2023 Apr;14(2):133-141.
doi: 10.14740/cr1479. Epub 2023 Apr 8.

Nutritional Status in Patients Undergoing Phase II Cardiac Rehabilitation by Mini Nutritional Assessment

Yosuke Nozawa  1   2 , Miho Nishitani-Yokoyama  1   3 , Kazunori Shimada  1 , Hiroki Kasuya  1 , Mitsuhiro Kunimoto  1 , Kei Fujiwara  1 , Mayumi Doi  3 , Yusei Sato  3 , Junya Nishimura  3 , Jianying Xu  1 , Abidan Abulimiti  1 , Minoru Tabata  4 , Tohru Minamino  1
Affiliations

Nutritional Status in Patients Undergoing Phase II Cardiac Rehabilitation by Mini Nutritional Assessment

Yosuke Nozawa et al. Cardiol Res. 2023 Apr.

Abstract

Background: Malnutrition impairs quality of life and prognosis of patients with cardiovascular disease. The Mini Nutritional Assessment (MNA) is a screening tool developed for the nutritional assessment of older adults. However, usefulness of MNA for patients undergoing cardiac rehabilitation (CR) has not been fully investigated.

Methods: From March 2017 to September 2019, the MNA-short form (MNA-SF) and the MNA total score in patients undergoing phase II CR at the Juntendo University Hospital were evaluated.

Results: A total of 336 patients (mean age 70.1 ± 11.4 years; males: 209) were analyzed. In the MNA-SF, 157 patients (47%) were found to be malnourished or at risk of malnutrition. In MNA total score, 168 patients (50%) were found to be malnourished or at risk of malnutrition. The MNA-SF < 12 group had significantly lower body mass index (BMI), hemoglobin level, low MNA scores for protein/water intake, self-evaluation of nutrition and health, and upper arm and calf circumferences compared to the MNA-SF ≥ 12 group. Assuming BMI < 18.5 as malnutrition, the sensitivity and specificity for malnutrition were 100% and 58.9% for MNA-SF, and 96.9% and 54.9% for MNA total score, respectively.

Conclusions: MNA is useful in screening for malnutrition in patients undergoing CR. Approximately 50% of them were determined to be malnourished or at risk of malnutrition, suggesting the need for detailed evaluation regarding their food intake and dietary intervention.

Keywords: Cardiac rehabilitation; Malnutrition; Mini Nutritional Assessment; Screening.

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Conflict of interest statement

The authors declare that there are no conflicts of interest.

Figures

Figure 1
Figure 1
Study flow. CR: cardiac rehabilitation, MNA: Mini Nutritional Assessment; SF: short form.
Figure 2
Figure 2
Correlation between MNA-SF and MNA total score and BMI. (a) Correlation between MNA-SF and BMI. (b) Correlation between MNA total score and BMI. MNA: Mini Nutritional Assessment; SF: short form; BMI: body mass index.
Figure 3
Figure 3
Screening accuracy of (a) MNA-SF and (b) MNA total score for malnutrition. AUC: area under the curve; MNA: mini nutritional assessment; ROC: receiver operator characteristic; SF: short form.
Figure 4
Figure 4
ROC curves of MNA-SF for MNA overall score < 24. AUC: area under the curve; MNA: Mini Nutritional Assessment; ROC: receiver operator characteristic; SF: short form.
See this image and copyright information in PMC

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