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  • Title: Hypertonic saline/dextran versus lactated Ringer's treatment for hemorrhage in dehydrated swine.
    Author: McKirnan MD, Williams RL, Limjoco U, Ragland J, Gray CG.
    Journal: Circ Shock; 1994 Dec; 44(4):238-46. PubMed ID: 7543031.
    Abstract:
    To determine the efficacy of low-volume resuscitation in dehydrated subjects, 7.5% hypertonic saline/6% dextran 70 (HSD) and lactated Ringer's (LR) treatments were compared in conscious pigs dehydrated for 48 hr prior to a 37% blood volume hemorrhage. Pigs randomized to treatment were resuscitated with equivalent sodium loads of either HSD (4 ml/kg) or LR (33.3 ml/kg) following the 60-min hemorrhage. Dehydration resulted in a 7-8% body weight loss. Mortality through 180 min of recovery was 1/13 (7.7%) for HSD, 1/11 (9.1%) for LR, and 4/8 (50%) for a group of dehydrated and untreated controls (DC). HSD and LR solutions elicited similar heart rate, cardiac output, arterial pressure, and oxygen transport responses in the recovery period following hemorrhage and resuscitation. HSD was as effective as LR in expanding plasma volume in dehydrated hemorrhaged pigs. Serum chemistries provided no evidence for a sustained systemic toxicity from HSD treatment. These findings support low-volume HSD resuscitation of hemorrhagic shock in moderately dehydrated subjects.
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