Nghiên cứu đo lường bão hòa oxy máu tĩnh mạch trộn (SVO2) ở bệnh nhân phẫu thuật tim có nguy cơ cao

Abstract

112 high risk surgical patients from our hospital were recruited for this study. Their postoperative hemodynamic parameters were monitored in short intervals using a Swan-Ganz catheter. From the results collected, a ROC curve of SVO2 was plotted to evaluate its prognostic performance for patients’ likelihood of mortality within 30 days after being admitted to intensive care unit (ICU). Results: The best cut-off SVO2 value for predicting post-operative complications related to heart failure and likelihood of mortality within 30 days in high risk cardiac surgical patients was 55% with a sensitivity of 91.18% and specificity of 31.82%. No mortality case was reported in this study. Conclusions: A SVO2< 55% at the time of admitting to ICU indicates poor prognosis for high risk cardiac surgical patients. This agrees with the results from a previous study on patients operated for coronary diseases.