Liberal transfusion strategy to prevent mortality and anaemia-associated, ischaemic events in elderly non-cardiac surgical patients – the study design of ... View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2019-12

AUTHORS

Patrick Meybohm, Simone Lindau, Sascha Treskatsch, Roland Francis, Claudia Spies, Markus Velten, Maria Wittmann, Erdem Gueresir, Christian Stoppe, Ana Kowark, Mark Coburn, Sixten Selleng, Marcel Baschin, Gregor Jenichen, Melanie Meersch, Thomas Ermert, Alexander Zarbock, Peter Kranke, Markus Kredel, Antonia Helf, Rita Laufenberg-Feldmann, Marion Ferner, Eva Wittenmeier, Karl-Heinz Gürtler, Peter Kienbaum, Marcel Gama de Abreu, Michael Sander, Michael Bauer, Timo Seyfried, Matthias Gruenewald, Suma Choorapoikayil, Markus M. Mueller, Erhard Seifried, Oana Brosteanu, Holger Bogatsch, Dirk Hasenclever, Kai Zacharowski, LIBERAL Collaboration Group

ABSTRACT

BACKGROUND: Perioperative anaemia leads to impaired oxygen supply with a risk of vital organ ischaemia. In healthy and fit individuals, anaemia can be compensated by several mechanisms. Elderly patients, however, have less compensatory mechanisms because of multiple co-morbidities and age-related decline of functional reserves. The purpose of the study is to evaluate whether elderly surgical patients may benefit from a liberal red blood cell (RBC) transfusion strategy compared to a restrictive transfusion strategy. METHODS: The LIBERAL Trial is a prospective, randomized, multicentre, controlled clinical phase IV trial randomising 2470 elderly (≥ 70 years) patients undergoing intermediate- or high-risk non-cardiac surgery. Registered patients will be randomised only if Haemoglobin (Hb) reaches ≤9 g/dl during surgery or within 3 days after surgery either to the LIBERAL group (transfusion of a single RBC unit when Hb ≤ 9 g/dl with a target range for the post-transfusion Hb level of 9-10.5 g/dl) or the RESTRICTIVE group (transfusion of a single RBC unit when Hb ≤ 7.5 g/dl with a target range for the post-transfusion Hb level of 7.5-9 g/dl). The intervention per patient will be followed until hospital discharge or up to 30 days after surgery, whichever occurs first. The primary efficacy outcome is defined as a composite of all-cause mortality, acute myocardial infarction, acute ischaemic stroke, acute kidney injury (stage III), acute mesenteric ischaemia and acute peripheral vascular ischaemia within 90 days after surgery. Infections requiring iv antibiotics with re-hospitalisation are assessed as important secondary endpoint. The primary endpoint will be analysed by logistic regression adjusting for age, cancer surgery (y/n), type of surgery (intermediate- or high-risk), and incorporating centres as random effect. DISCUSSION: The LIBERAL-Trial will evaluate whether a liberal transfusion strategy reduces the occurrence of major adverse events after non-cardiac surgery in the geriatric population compared to a restrictive strategy within 90 days after surgery. TRIAL REGISTRATION: ClinicalTrials.gov (identifier: NCT03369210 ). More... »

PAGES

101

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s13063-019-3200-3

DOI

http://dx.doi.org/10.1186/s13063-019-3200-3

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1111912976

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/30717805


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