Keywords
Venous saturation
Carbon dioxide coefficient
Sepsis
Shock
Categories
How to Cite
Abstract
Objective. Determine the central venous oxygen saturation (SvcO2), the venoarterial difference of carbon dioxide (Delta P (av) CO2) and the arteriovenous oxygen content (Delta P (av) CO2 / C (av) O2) upon entry into the first 24 hours of septic shock, to predict mortality.
Adults who entered the multipurpose STI with a diagnosis of septic shock (SS) from the period between March 2016 and March 2017.
Results: 4 groups of patients in the first 24 hours after admission according to SvcO2 values. Group 1: SvcO2>70%, DeltaP(a-v)CO2/C(a-v)O2<1.4; Group 2: SvcO2>70%, DeltaP(av)CO2/C(av)O2>1.4; Group 3: SvcO2<70%, DeltaP(av)CO2/C(av)O2<1.4 and Group 4: SvcO2<70%, DeltaP(av)CO2/C(av)O2>1.4. 80 patients who entered the STI with SS were evaluated; 4 p who died within 24 hours of admission were excluded, the average age 53 +/- 16 years, the mean SAPS II 63. the most prevalent infectious focus was 35% pulmonary. The days of mechanical ventilation were 12 days (3-21), the mean stay in the STI was 14 (4-23), they required 16% renal replacement, the overall mortality was 36.8%. In the bivariate analysis of it was observed between the group S and NS in the variables DP (av) CO2 4 (3-5) versus 6.5 (4-9) p = 0.025 lactate> 2 (43%) versus (93%) p = 0.003, SvcO2 <70% (21.7%) versus (50%) p = 0.005 and Delta P (av) CO2 / C (av)> 1.4 (43%) versus (79%) p = 0.04 respectively. The rest of the variables did not show significant differences.
Conclusion: SS patients who have SvcO2<70% and DeltaP(a-v)CO2/C (a-v)>1.4 measured in the 24 hours of admission have higher mortality at 30 days.
References
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