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Effects of Different Fluid Regimes and Desmopressin on Uncontrolled Hemorrhage During Hypothermia in the Rat
Section of Surgery, Department of Clinical Science and Education, Karolinska Institutet, Stockholm, Sweden.
Section of Surgery, Department of Clinical Science and Education, Karolinska Institutet, Stockholm, Sweden.
Linköping University, Department of Medical and Health Sciences, Anesthesiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of Anaesthesiology and Surgery UHL.
2012 (English)In: Therapeutic Hypothermia and Temperature Management, ISSN 2153-7658, Vol. 2, no 2, 53-60 p.Article in journal (Refereed) Published
Abstract [en]

Resuscitation with large volumes of crystalloids during traumatic hemorrhagic shock might increase the mortality by inducing rebleeding. However, few studies have addressed this problem during hypothermic conditions. Sixty-eight Sprague-Dawley rats were exposed to a standardized femoral artery injury and resuscitated with low (LRe), medium (MRe), or high (HRe) intensity using lactated Ringer's solution after being cooled to 30°C. An additional MRe group was also given desmopressin since this drug might reverse hypothermic-induced impairment of the primary hemostasis. The rats were rewarmed after 90 minutes and observed for 3 hours. The incidence, on-set time, duration, and volume of bleedings and hemodynamic changes were recorded. Rebleedings occurred in 60% of all animals and were more voluminous in the HRe group than in the LRe group (p=0.01). The total rebleeding volume per animal increased with the rate of fluid administration (r=0.50, p=0.01) and the duration of each rebleeding episode was longer in the HRe group than in the LRe group (p<0.001). However, the mortality tended to be higher in the LRe group (LRe=6/15, MRe=1/15, HRe=2/15, p=0.07). Desmopressin did not change the bled volume or the mortality. Overall, the mortality increased if rebleeding occurred (10/35 rebleeders died vs. 1/25 nonrebleeders, p=0.015). Liberal fluid administration increased the rebleeding volume while a trend toward higher mortality was seen with the restrictive fluid program. Desmopressin had no effect on the studied parameters.

Place, publisher, year, edition, pages
Mary Ann Liebert, 2012. Vol. 2, no 2, 53-60 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-85176DOI: 10.1089/ther.2012.0006OAI: diva2:565754
Available from: 2012-11-08 Created: 2012-11-08 Last updated: 2013-06-14

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Hahn, Robert G
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AnesthesiologyFaculty of Health SciencesDepartment of Anaesthesiology and Surgery UHL
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