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BioMed Research International
Volume 2015 (2015), Article ID 151503, 9 pages
Research Article

Comparison of Malated Ringer’s with Two Other Balanced Crystalloid Solutions in Resuscitation of Both Severe and Moderate Hemorrhagic Shock in Rats

1Department for Trauma Surgery and Orthopaedics, University Hospital Essen, 45147 Essen, Germany
2Institute of Physiological Chemistry, University Hospital Essen, Germany

Received 17 December 2014; Revised 11 May 2015; Accepted 12 May 2015

Academic Editor: Hartmut Jaeschke

Copyright © 2015 Judith Keitel et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In preclinical treatment of polytraumatized patients crystalloids are preferentially used. To avoid metabolic acidosis, metabolizable anions like lactate or acetate are used to replace chloride in these solutions. We here studied the effects of malated Ringer’s in resuscitation of both shock severities in comparison to lactated and acetated Ringer’s. Male Wistar rats underwent severe (mean arterial blood pressure (MAP) of 25–30 mmHg) or moderate (MAP 40–45 mmHg) hemorrhagic shock. Adjacent to the shock period animals were resuscitated with acetated (AR), lactated (LR), or malated Ringer’s (MR) and observed for 150 min. MR improved survival compared with LR and AR in severe hemorrhagic shock whereas it was equally effective to LR and superior to AR in moderate hemorrhagic shock. In all other parameters tested, MR was also effective similar to the other solutions under these conditions. We conclude that MR is preferable to AR and LR in resuscitation of hemorrhagic shock independent of shock depth. The positive effects of MR may stem from the absence of any adverse impact on energy metabolism under both conditions.