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  • Title: [Effect of global end diastolic volume index guidance fluid resuscitation in elderly patients with septic shock].
    Author: Ma S, Zhang R, Wang S, Zhao M, Wang L, Zhang Y.
    Journal: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue; 2017 Jun; 29(6):486-490. PubMed ID: 28625234.
    Abstract:
    OBJECTIVE: To evaluate the effect of global end diastolic volume index (GEDVI) on fluid resuscitation in elderly patients with septic shock. METHODS: A prospective randomized controlled trial (RCT) was conducted. Septic shock patients over 65 years admitted to intensive care unit (ICU) of Shandong Province, Zibo Central Hospital from January 2013 to December 2015 were enrolled. The patients were randomly divided into control group and observation group, 20 cases in each group. In accordance with the guidelines for the treatment of septic shock, early goal-directed therapy (EGDT), rehydration in the control group was treated with the guide of central venous pressure (CVP); observation group was received pulse indicator continuous cardiac output (PiCCO) monitoring, and rehydration was treated according to the GEDVI and extravascular lung water index (EVLWI), i.e. GEDVI was maintained in 650-800 mL/m2, EVLWI was not obviously increased compared with the basic value and without the emphasis of CVP. Initial acute physiology and chronic health evaluation II (APACHE II) score, sequential organ failure score (SOFA), procalcitonin (PCT), mean arterial pressure (MAP), lactic acid (Lac) and oxygenation index (PaO2/FiO2); serial Lac, central venous to arterial carbon dioxide pressure (Pcv-aCO2), fluid balance, the amount of noradrenaline accumulation, PaO2/FiO2 after 6, 24 and 48 hours resuscitation; mechanical ventilation time, incidence of acute heart failure, ICU hospitalization time and 28-day mortality were recorded. RESULTS: There was no significant difference in gender, age, APACHE II score, SOFA score, primary disease, infection site and basal PCT, MAP, Lac, PaO2/FiO2 between the two groups. Compared with the control group, 6 hours Lac, Pcv-aCO2 recovery, positive fluid balance, noradrenaline accumulation and PaO2/FiO2 of the observation group showed no significant difference; positive fluid balance 24 hours in the recovery was significantly reduced (mL: 2 919.80±986.44 vs. 3 991.40±933.53), Pcv-aCO2 significantly decreased [mmHg (1 mmHg = 0.133 kPa): 5.55±1.43 vs. 7.10±2.38], PaO2/FiO2 significantly improved (mmHg: 194.80±28.57 vs. 177.65±23.46), and noradrenaline accumulation was increased significantly (mg: 40.99±20.69 vs. 27.31±19.34) with statistically significant difference (all P < 0.05); the blood level of Lac 48 hours in the recovery was significantly decreased (mmol/L: 1.16±0.89 vs. 1.85±1.01), Pcv-aCO2 (mmHg: 5.35±1.18 vs. 6.70±2.34), and PaO2/FiO2 (mmHg: 215.75±33.84 vs. 190.60±32.89) were further improved, the positive fluid balance was significantly reduced (mL: 3 141.55±1 245.69 vs. 4 533.85±1 416.67, all P < 0.05). Compared with the control group, mechanical ventilation time (days: 3.65±1.31 vs. 4.50±1.19), ICU hospitalization time (days: 5.80±1.67 vs. 7.15±2.30) was significantly shorter in the observation group (both P < 0.05), acute heart failure rate was decreased significantly (5.0% vs. 30.0%, P < 0.05), but the 28-day mortality showed no statistical significance (25.0% vs. 40.0%, P = 0.311). CONCLUSIONS: Compared to the conventional EGDT methods, fluid resuscitation under the guidance of GEDVI in elderly patients with septic shock with less liquid loading, can achieve better oxygenation and reduce heart failure, shorten the duration of mechanical ventilation and ICU stay, and play an important significant guidance for elderly patients' fluid resuscitation with septic shock.
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