Background The factors associated with the survival of Traumatic cardiac arrest (TCA) have been analyzed by many authors. Trying to define a limit on resuscitation efforts: How far and how long to do. The blood analysis has not been described until now, as possible predictor of survival in these patients. Aim: To analyze pH, lactate, bases excess (BE) and pCO2 as possible predictive factors of survival in patients who suffer TCA.
Method Observational Study of patients suffered from TCA in 2016, 2017 and 2018 assisted by our EMS. Collection data from medical records and databases of hospital follow-ups. Data processing and data analysis: quantitative variables are described by central and dispersion measures and qualitative variables by frequency distribution. COR as survival analysis. Excel and SPSS v. 20.0.
Results We analyzed 112 TCA in which CPR is performed and recovered spontaneous circulation 49 (43.75%). After 7 days, 7.14% survived. At the arrival EMS, mean pH was 7.14 (SD 0.15), pCO2 66.57 (ED 20.61), BE −6.09 (ED 6.23) and Lactate 6.51 (ED 3.82). Lactate and PCO2 showed significant relationship in analysis of survival curve after 7 days (p<0,05).
Conclusion The survival in TCA was 7.14% of patients after 7 days. - Lactate and PCO2 are related to survival at 7 days in our series. – It’s necessary more robust studies that can define the factors related to the survival in TCA, but it seems that the biological clock can be one of them.
Conflict of interest There is no conflict of interest.
Funding There is no funding.
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