{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T21:13:55Z","timestamp":1789074835711,"version":"build-2803163510"},"reference-count":34,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,12,8]],"date-time":"2021-12-08T00:00:00Z","timestamp":1638921600000},"content-version":"vor","delay-in-days":7,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Musculoskelet Disord"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Although nutritional status is crucial in gait recovery after femoral neck fracture surgery, the relationship between preoperative nutritional status and postoperative outcomes remains unknown. This study examined the effects of preoperative nutritional status on postoperative outcomes in patients undergoing femoral neck fracture surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Data regarding the joints of 137 patients (29 men, 108 women) who underwent bipolar hemiarthroplasty for femoral neck fractures at our hospital from January 2015 to December 2019 were retrospectively examined. The Geriatric Nutritional Risk Index (GNRI), an index of nutritional status, was used to classify patients into two groups: a normal group (GNRI \u226592;\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u200962) and an undernourished group (GNRI &lt;\u200992;\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u200975). The study endpoints included age at surgery, sex, Mini Mental State Examination (MMSE), American Society of Anesthesiologists Physical Status (ASA) classification, preoperative waiting period, intraoperative blood loss, surgery time, perioperative hemoglobin levels, blood transfusion rate, complication rate, 6-month mortality rate, transfer rate, percentage of patients unable to walk at discharge or transfer, and inability to walk 6\u2009months postoperatively.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The patients in the undernourished group was significantly older at surgery (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) and had a lower perioperative hemoglobin levels (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u20090.01), a higher blood transfusion rate (p\u2009&lt;\u20090.01), a lower MMSE (p\u2009&lt;\u20090.01), a longer preoperative waiting period (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05), a higher transfer rate (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05), were more likely to be unable to walk 6\u2009months postoperatively (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u20090.01), a higher complication rate (p\u2009&lt;\u20090.05), and a higher 6-month mortality rate (p\u2009&lt;\u20090.01) than the normal group. Patients in the undernourished group had worse rates of postoperative complications, transfer, mortality, and inability to walk 6-month after surgery than those in the normal group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>A poor nutritional status affects the gait function and systemic condition of patients undergoing femoral neck fracture surgery; therefore, early nutritional interventions may reduce mortality rates and shorten rehabilitation. These results suggest that the GNRI effectively predicts postoperative complications, mortality, and gait function.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12891-021-04913-2","type":"journal-article","created":{"date-parts":[[2021,12,8]],"date-time":"2021-12-08T09:03:53Z","timestamp":1638954233000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Effect of nutritional status before femoral neck fracture surgery on postoperative outcomes: a retrospective study"],"prefix":"10.1186","volume":"22","author":[{"given":"Katsuya","family":"Yokoyama","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taku","family":"Ukai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masahiko","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,12,8]]},"reference":[{"key":"4913_CR1","doi-asserted-by":"publisher","first-page":"1657","DOI":"10.1017\/S0007114512003686","volume":"109","author":"DN Gumieiro","year":"2013","unstructured":"Gumieiro DN, Rafacho BPM, Gon\u00e7alves AF, Tanni SE, Azevedo PS, Sakane DT, et al. 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The authors state that this study conforms with the ethical standards laid down in the most recent version of the Declaration of Helsinki. All patients were informed about the study and consented to participate.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that there is no conflict interest.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"1027"}}