{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T16:29:05Z","timestamp":1786724945920,"version":"build-2736575974"},"reference-count":39,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T00:00:00Z","timestamp":1786665600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Nursing Knowledge"],"abstract":"<jats:p>\n                    <jats:bold>Aim:<\/jats:bold>\n                    To verify the evidence of content validity of the nursing diagnosis \u201cIneffective Lymphedema Self-Management\u201d in women who underwent mastectomy.\n                    <jats:bold>Design:<\/jats:bold>\n                    Methodological study of content validation by expert judges.\n                    <jats:bold>Method<\/jats:bold>\n                    : Content validation was conducted between July and October 2023 through a semi-structured online questionnaire sent to 80 expert judges, of whom 52 participated. The study was approved by the Research Ethics Committee (CAAE No. 63063922.0.0000.5078). Elements identified in a preceding concept analysis were evaluated for relevance using Aiken's V coefficient (V\u2009\u2265\u20090.90) with 95% confidence intervals. Cronbach's alpha was used to assess internal consistency. The sample size (n\u2009=\u200947) was determined using a precision estimation formula for content validity indices.\n                    <jats:bold>Results:<\/jats:bold>\n                    Of the 47 terms submitted for evaluation, 31 were considered valid as defining characteristics and related factors. The terms \u201cpsychological and cognitive limitations\u201d and \u201cpatients who underwent a mastectomy\u201d were validated for associated conditions and at-risk population, respectively. Expert judges suggested the inclusion of \u201cfemale breast cancer survivors,\u201d \u201caccess to health services,\u201d and \u201clack of medical information.\u201d Cronbach's alpha was 0.97 (95% CI: 0.96\u20130.98).\n                    <jats:bold>Conclusion:<\/jats:bold>\n                    The nursing diagnosis \u201cIneffective Lymphedema Self-Management\u201d was partially validated. New elements were identified that may elevate the evidence level of this diagnosis and refine its applicability in clinical practice.\n                    <jats:bold>Implications for Nursing Practice:<\/jats:bold>\n                    The validated elements provide nurses with a structured framework for identifying and managing lymphedema in women who underwent mastectomy, contributing to early detection and targeted interventions.\n                  <\/jats:p>","DOI":"10.1177\/20473087261476768","type":"journal-article","created":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T15:34:21Z","timestamp":1786721661000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Validity Evidence for the Nursing Diagnosis \u201cIneffective Lymphedema Self-Management\u201d in Women who Underwent Mastectomy"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2413-8579","authenticated-orcid":false,"given":"Juliana Maria Barbosa Bertho de","family":"Oliveira","sequence":"first","affiliation":[{"name":"Federal University of Tocantins"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5867-8023","authenticated-orcid":false,"given":"Marcos Venicios de Oliveira","family":"Lopes","sequence":"additional","affiliation":[{"name":"Federal University of Ceara"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1012-4405","authenticated-orcid":false,"given":"Jana\u00edna Valadares","family":"Guimar\u00e3es","sequence":"additional","affiliation":[{"name":"Federal University of Goias"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3085-9428","authenticated-orcid":false,"given":"Flaviana Vely Mendon\u00e7a","family":"Vieira","sequence":"additional","affiliation":[{"name":"Federal University of Goias"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3910-2162","authenticated-orcid":false,"given":"Agueda Maria Ruiz Zimmer","family":"Cavalcante","sequence":"additional","affiliation":[{"name":"Federal University of Goias"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,8,14]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/0013164485451012"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00520-015-2766-x"},{"key":"e_1_3_3_4_1","unstructured":"Baiocchi J. M. T. (2019). Validation of the instrument \u201cfunctionality disability and health questionnaire for lower limb lymphedema\u201d and evaluation with optoelectronic volumetry in patients with lymphedema secondary to oncological treatment [Doctoral dissertation]. Funda\u00e7\u00e3o Ant\u00f4nio Prudente."},{"key":"e_1_3_3_5_1","doi-asserted-by":"publisher","DOI":"10.1891\/9780826125453"},{"key":"e_1_3_3_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11764-026-02039-9"},{"key":"e_1_3_3_7_1","doi-asserted-by":"publisher","DOI":"10.1590\/0034-7167-2018-0004"},{"key":"e_1_3_3_8_1","unstructured":"Diniz C. M. (2017). Content validation of the nursing diagnosis Ineffective infant feeding pattern [Master\u2019s thesis]. 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