{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T16:19:32Z","timestamp":1784305172902,"version":"3.55.0"},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T00:00:00Z","timestamp":1768521600000},"content-version":"vor","delay-in-days":15,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100019776","name":"Universidad Europea de Madrid","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100019776","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Nursing in Critical Care"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Anaemia in critically ill patients is often worsened by diagnostic blood sampling. Closed blood sampling devices (CBSDs) may reduce iatrogenic blood loss and transfusion needs. However, robust evidence of their effectiveness and feasibility in the intensive care unit (ICU) setting is lacking.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To assess the feasibility of conducting a multicentre randomised controlled trial (RCT) evaluating the effectiveness of CBSDs in reducing transfusion requirements in critically ill adults.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>A two\u2010centre, open\u2010label, feasibility RCT was conducted in two Spanish university hospitals between November 2024 and March 2025. Patients with an ICU stay of 24\u2009h who were expected to have an arterial catheter for at least 72\u2009h longer were randomised to either a CBSD group (intervention) or standard practice (control). Primary outcome was feasibility (recruitment rate, intervention fidelity and dropout). Secondary outcomes included transfusion rates, discard volume and catheter\u2010related adverse events. Data were collected over a maximum of 21\u2009days or until ICU discharge or catheter removal. As this was a feasibility study with a small sample size, no statistical inference analyses were performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 678 patients screened, 9.3% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200963) were eligible, and of those eligible, 76.2% (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200948) were enrolled. After exclusions and losses, 31 patients were analysed (12 intervention, 19 control). Low eligibility was mainly due to short catheter dwell times and advanced monitoring needs with a Flotrac system. Intervention fidelity was suboptimal in four patients in the intervention group because one of the ICUs routinely used a venous route for blood gas sampling, despite patients having the CBSD in an arterial line. Thirteen patients (27.1%) were lost to follow\u2010up for the same reasons as the low eligibility findings. There were no missing data (0%). Transfusion rates per 100 catheter days were lower in the intervention group (5.2 vs. 15.6). Discard volume per 100 catheter days was substantially reduced (53.1\u2009mL vs. 970.7\u2009mL). No catheter\u2010related bacteraemias occurred.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>A full\u2010scale RCT evaluating CBSDs in ICU patients is feasible with protocol modifications, including broader site participation and improved device integration with advanced monitoring systems. Preliminary data suggest that CBSDs may reduce transfusion requirements and blood loss in critically ill patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Relevance to Clinical Practice<\/jats:title>\n                    <jats:p>Nurses\u2019 involvement in the prevention of iatrogenic anaemia is key. CBSDs appear to be a feasible strategy for reducing blood loss associated with blood tests, with preliminary results linking their use to a decrease in the need for transfusions. If this is confirmed in the final clinical trial, it would mean greater safety for patients by avoiding complications linked to transfusions and would contribute to environmental sustainability by reducing the production of carbon dioxide associated with the process of collecting, storing and distributing red blood cells.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial Registration<\/jats:title>\n                    <jats:p>NCT06478160<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/nicc.70343","type":"journal-article","created":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T06:59:06Z","timestamp":1768633146000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effectiveness of Closed Blood\u2010Sampling Devices in Critically Ill Adults: A Feasibility Trial"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1369-1915","authenticated-orcid":false,"given":"Marta","family":"Raurell\u2010Torred\u00e0","sequence":"first","affiliation":[{"name":"Department of Basic and Clinical Nursing. Faculty of Nursing Universitat de Barcelona  Barcelona Spain"},{"name":"Grupo NURSEARCH [NURSEARCH Group]. Research Group in Mental Health, Psychosocial and Complex Nursing Care 2021 SGR 01083  L'Hospitalet de Llobregat Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8192-6897","authenticated-orcid":false,"given":"Susana","family":"Arias\u2010Rivera","sequence":"additional","affiliation":[{"name":"Research and Teaching Unit Hospital Universitario de Getafe  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rafael\u2010Jes\u00fas","family":"Fern\u00e1ndez\u2010Castillo","sequence":"additional","affiliation":[{"name":"Clinical Intensive Care Unit Hospital Universitario Virgen Macarena  Seville Spain"},{"name":"Department of Nursing, Faculty of Nursing, Physiotherapy and Podiatry Universidad de Sevilla  Sevilla Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda\u2010Jes\u00fas","family":"Frade\u2010Mera","sequence":"additional","affiliation":[{"name":"Hospital Universitario 12 de Octubre de Madrid  Madrid Spain"},{"name":"Department of Nursing, Faculty of Nursing, Physiotherapy and Podiatry Universidad Complutense de Madrid  Madrid Spain"},{"name":"Grupo de Investigaci\u00f3n en Cuidados [Care Research Group] (Invecuid), Instituto de Investigaci\u00f3n Sanitaria Hospital 12 de Octubre (imas12)  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda\u2010Dolores","family":"Gonz\u00e1lez\u2010Caro","sequence":"additional","affiliation":[{"name":"Clinical Intensive Care Unit Hospital Universitario Virgen Macarena  Seville Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ignacio","family":"Zaragoza\u2010Garc\u00eda","sequence":"additional","affiliation":[{"name":"Department of Nursing, Faculty of Nursing, Physiotherapy and Podiatry Universidad Complutense de Madrid  Madrid Spain"},{"name":"Grupo de Investigaci\u00f3n en Cuidados [Care Research Group] (Invecuid), Instituto de Investigaci\u00f3n Sanitaria Hospital 12 de Octubre (imas12)  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7558-4325","authenticated-orcid":false,"given":"Cristina","family":"Andreu\u2010V\u00e1zquez","sequence":"additional","affiliation":[{"name":"Department of Veterinary Medicine, Faculty of Biomedical and Health Sciences Universidad Europea de Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alfonso","family":"Muriel\u2010Garc\u00eda","sequence":"additional","affiliation":[{"name":"Biostatistics Unit, Hospital Universitario Ram\u00f3n y Cajal. 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