• En-qiang Mao, Yao-qing Tang, Jian Fei, Shuai Qin, Jun Wu, Lei Li, Dong Min, and Sheng-dao Zhang.
• Department of General Surgery, Shanghai Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200025, China.
• Chin. Med. J. 2009 Jan 20; 122 (2): 169-73.

BackgroundFluid therapy for severe acute pancreatitis (SAP) should not only resolve deficiency of blood volume, but also prevent fluid sequestration in acute response stage. Up to date, there has not a strategy for fluid therapy dedicated to SAP. So, this study was aimed to investigate the effects of fluid therapy treatment on prognosis of SAP.MethodsSeventy-six patients were admitted prospectively according to the criteria within 72 hours of SAP onset. They were randomly assigned to a rapid fluid expansion group (Group I, n = 36) and a controlled fluid expansion group (Group II, n = 40). Hemodynamic disorders were either quickly (fluid infusion rate was 10 - 15 ml x kg(-1) x h(-1), Group I) or gradually improved (fluid infusion rate was 5 - 10 ml x kg(-1) x h(-1), Group II) through controlling the rate of fluid infusion. Parameters of fluid expansion, blood lactate concentration were obtained when meeting the criteria for fluid expansion. And APACHE II scores were obtained serially for 72 hours. Rate of mechanical ventilation, incidence of abdominal compartment syndrome (ACS), sepsis, and survival rate were obtained.ResultsThe two groups had statistically different (P < 0.05) time intervals to meet fluid expansion criteria (Group I, 13.5 +/- 6.6 hours; Group II, (24.0 +/- 5.4) hours). Blood lactate concentrations were both remarkably lower as compared to the level upon admission (P < 0.05) and reached the normal level in both groups upon treatment. It was only at day 1 that hematocrit was significantly lower in Group I (35.6% +/- 6.8%) than in Group II (38.5% +/- 5.4%) (P < 0.01). Amount of crystalloid and colloid in group I ((4028 +/- 1980) ml and (1336 +/- 816) ml) on admission day was more than those of group II ((2472 +/- 1871) ml and (970 +/- 633) ml). No significant difference was found in the total amount of fluids within four days of admission between the two groups (P > 0.05). Total amount of fluid sequestration within 4 days was higher in Group I ((5378 +/- 2751) ml) than in Group II ((4215 +/- 1998) ml, P < 0.05). APACHE II scores were higher in Group I on days 1, 2, and 3 (P < 0.05). Rate of mechanical ventilation was higher in group I (94.4%) than in group II (65%, P < 0.05). The incidences of abdominal compartment syndrome (ACS) and sepsis were significantly lower in Group II (P < 0.05). Survival rate was remarkably lower in Group I (69.4%) than in Group II (90%, P < 0.05).ConclusionsControlled fluid resuscitation offers better prognosis in patients with severe volume deficit within 72 hours of SAP onset.

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