Prognostic value of central venous oxygen saturation during anesthesia for cardiac surgery. | ||
| Sohag Medical Journal | ||
| Article 6, Volume 24, Issue 2, April 2020, Pages 33-39 PDF (517.5 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/smj.2020.21279.1086 | ||
| Authors | ||
| marwa ahmad mahrous* 1; Khaled Mohamed Hassan2; Abdelrahman Hassan Abdelrahman3; Abd El Hady Ahmed Helmy4 | ||
| 1anesthesia and intensive care department, sohag faculty of medicine, sohag university, sohag, Egypt | ||
| 2anesthesia and intensive care department, sohag faculty of medicine, sohag university | ||
| 3Department, of Anesthesia & Intensive Care, Fuculty of Medicine, Sohag University. | ||
| 4Department, of Anesthesia and intensive care, Fuclty of Medicine, Sohag University. | ||
| Abstract | ||
| Background: During cardiac surgery, CPB machine pumps blood instead of the heart affecting blood flow and hence blood perfusion of all tissues. One important marker of blood perfusion is central venous oxygen saturation. Relationship between central venous oxygen saturation and patient morbidity and mortality is an indicator for the reliability of blood lactate as a perfusion marker. Methods: In a prospective observational study, 66 patients admitted to Sohag university hospital and Sohag Heart Institute in the period between October 2017 and April 2019 for open cardiac surgery were enrolled. Immediately after induction of anesthesia, the first sample of venous blood gas was obtained from central venous catheter. For measuring of central venous oxygen saturation, the next samples were obtained just before CPB weaning, the next after 24 hours of staying ICU and the last sample were obtained after 48 hours of staying ICU. Results: Central venous oxygen saturation in correlation to ICU length of stay showed significant change in central venous oxygen saturation in patients with favorable outcome. Central venous oxygen saturation in correlation to postoperative duration of mechanical ventilation showed significant change in central venous oxygen saturation in patients with favorable outcome. Central venous oxygen saturation in correlation to postoperative complications showed significant change in central venous oxygen saturation in patients with favorable outcome. Conclusion: Measuring ScvO2 at 4 points during and after open-heart surgery showed their prognostic value, regarding results for ScvO2: ICU length of stay, duration of mechanical ventilation and complications. | ||
| Keywords | ||
| central venous oxygen saturation; cardiac surgery; morbidity | ||
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