Predictive Value of Base Deficit in Outcomes of FAST Positive Patients with Multiple Trauma

Document Type : Original Article


Department of General Surgery, Ayatollah Mousavi Hospital, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran



Background: Decreased tissue perfusion is a predictor of mortality in trauma patients, and measured by serum lactic acid, which isn’t possible at all centers. The reduction of Base Deficiency (BD) in trauma patients is mainly due to lactic acidosis. We sought to assess the predictive value of base deficit in outcomes of FAST positive patients with multiple trauma.
Methods:  In this study, 88 trauma patients were referred to the emergency department with acute abdomen reqiuring surgery. Free intra-abdominal fluid on fast ultrasound, abdominal injury on CT scan, and candidates for either surgery or non-operative management, and their data were statistically analyzed.
Results: Out of 88 participants, eight patients (9.1%) died, and 24 of them (27.3%) required surgical intervention. Mortality rate and hospitalization days increased with increasing BD (P = 0.001), but the increase in mortality rate and BD increase did not show a significant relationship. The best BD cut-off point for predicting the need for surgery in patients was BD> 4.45 (sensitivity 79.2% and specificity 65.6%).
Conclusion: BD predicts the need for surgery and the length of hospital stay. Because a low number of deaths in our study, we suggeste that further studies be done with a larger statistical populations.