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Therefore, how to effectively improve the nutritional self-management of patients is a current focus of medical research. This study aims to test the effect of home-based nutritional intervention method on improving the nutritional status of elderly patients with CHF.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A total of 90 hospitalised elderly patients with CHF were randomly divided into the experimental group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200945) and the control group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200945). The patients in both groups were given standardised drug therapy and their nutritional status was evaluated using a body composition analyser prior to discharge (protein, body fat percentage, visceral fat area, skeletal muscle, upper arm muscle circumference, left lower limb and right lower limb muscle mass), with the cardiopulmonary function evaluated using a six-minute walk test and the metabolic equivalents method. The control group was given general nutrition education and routine dietary guidance from cardiac rehabilitation nurses, while the experimental group was given an individualised nutrition prescription by dietitians based on the evaluation results, according to which one-to-one food exchange dietary intervention training was given until the patients mastered the process.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The nutritional indexes at the end of the study were significantly higher in the experimental group than in the control group and were higher than those before the intervention (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.05). The muscle circumference of the upper arm, the muscle mass of the left lower limb and the right lower limb had no statistical significance following the intervention compared to the control group and before the intervention (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&gt;\u20090.05). The cardiopulmonary function indexes were significantly better in the experimental group at the end of the study than before the intervention and were better than those in the control group, with statistically significant differences (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.05), while no significant changes were observed in the control group before and after the intervention (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&gt;\u20090.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The home-based nutritional intervention method of food exchange portions can effectively improve the nutritional status of elderly patients with CHF, with the distribution of visceral fat more reasonable and the cardiopulmonary function and exercise endurance improved.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12872-023-03072-7","type":"journal-article","created":{"date-parts":[[2023,2,10]],"date-time":"2023-02-10T07:03:04Z","timestamp":1676012584000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Application of food exchange portion method in home-based nutritional intervention for elderly patients with chronic heart failure"],"prefix":"10.1186","volume":"23","author":[{"given":"Ce","family":"Zhou","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shan","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xing","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuhao","family":"Han","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meixia","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,2,10]]},"reference":[{"issue":"10","key":"3072_CR1","doi-asserted-by":"publisher","first-page":"65","DOI":"10.18087\/cardio.2017.10.10043","volume":"57","author":"VN Larina","year":"2017","unstructured":"Larina VN, Chukaeva II, Karpenko DG, Pozdnyakova AV. 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