• World journal of surgery · May 2001

    Improved survival with early fluid resuscitation following hemorrhagic shock.

    • A S Santibanez-Gallerani, A E Barber, S J Williams, Y ZhaoB S, and G T Shires.
    • Department of Surgery, University of Nevada School of Medicine, 2040 W. Charleston Boulevard, Suite 501, Las Vegas, Nevada 89102, USA.
    • World J Surg. 2001 May 1; 25 (5): 592-7.

    AbstractRecent studies have questioned the benefits of early fluid resuscitation in hemorrhagic shock. The purpose of the current study is to evaluate the effects of early fluid resuscitation (HSE) (15 minutes), delayed fluid resuscitation (HSD) (60 minutes), and no fluid resuscitation (HSU) on cytokine levels, hepatic resting membrane potential (Em), renal function, and mortality. Eighty male Sprague-Dawley rats (350-450 g) were hemorrhaged 35% of their total blood volume and then received 40, 80, or 100 ml of crystalloid per kilogram as intravenous fluids (IVFs). The implementation of HSE resulted in stabilization of the Em (-29 mV), which was significantly different from that seen with HSD or HSU (-24 and -29 mV, respectively). The timing of resuscitation did not affect the elevation of tumor necrosis factor (TNFalpha) levels. The interleukin-6 (IL-6) levels for the HSE group were 81, 101, and 274 pg/ml for 40, 80, and 100 ml/kg, respectively. In contrast, HSD group IL-6 levels were 440, 566, and 632 pg/ml for 40, 80, and 100 ml/kg (p < 0.0001). IL-6 levels for the HSU group was 427 pg/ml, which was significantly different from that of the HSE group (p < 0.05). Urine output was present in 58% of the HSE rats but only 24% in the HSD rats and 0% of the HSU rats. Mortality was 11% for HSE, 58% for HSD, and 50% for HSU rats. Despite the recent studies questioning the benefits of early fluid resuscitation, these data show marked improvement in hepatic stability, the presence of urine output, decreased IL-6 levels, and significantly lower mortality when IVFs were given early after hemorrhagic shock. Furthermore, excessive fluid resuscitation (100 ml/kg) resulted in an increased inflammatory cytokine level and mortality and may account for the controversy.

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