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Mixed venous versus central venous oxygen saturation in patients undergoing on pump beating coronary artery bypass grafting
| Content Provider | Scilit |
|---|---|
| Author | Alshaer, Ahmad Ibraheim, Osama Fawzi, Khaled Abdulsalam, Ibrahim Sheta, Saad Abdullah, Khaled M. Bakir, Bakir M. Abdulrahman, Yasser Nezar, AlNahal Hanaa, AlHamoud Mohamed, AbdelAll Al-Satli, Raed Abdel-Meguid, Mohamed Essam El-Demerdash, Ahmed |
| Copyright Year | 2010 |
| Abstract | Objective: To examine the validity of central venous oxygen saturation $(ScvO_{ 2}$ ) as a numerical substitution of mixed venous oxygen saturation $(SvO_{ 2}$ ) in adult patients undergoing normothermic on pump beating coronary artery bypass grafting (CABG). Materials and Methods: Prospective clinical observational study was done at King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia. Thirty four adult patients scheduled for coronary artery surgery were included. Patients were monitored by a pulmonary artery catheter (PAC) as a part of our routine intraoperative monitoring. $SvO_{ 2}$ and $ScvO_{ 2 }$ were simultaneously measured 15 minutes (T1) and 30 minutes (T2) after induction of anesthesia, 15 and 30 minutes after initiation of cardiopulmonary bypass (T3 and T4), and 15 and 30 minutes after admission to intensive care unit (T5 and T6). Results: $ScvO_{ 2}$ showed higher reading than $SvO_{ 2}$ all through our study. Our results showed perfect positive statistically significant correlation between $SvO_{ 2 }$ and $ScvO_{ 2}$ at all data points. Individual mean of difference (MOD) between both the readings at study time showed MOD of 1.34 and 1.44 at T1 and T2 simultaneously. This MOD was statistically insignificant, but after on pump beating normothermic bypass was initiated; MOD was 5.2 and 4.4 at T3 and T4 with high statistical significance. In ICU, MOD continues to have high statistical significance, MOD was 6.3 at T5 and at T6 it was 4.6. Conclusions: In on pump beating CABG patients; $ScvO_{ 2}$ and $SvO_{ 2}$ are not interchangeable numerically. $ScvO_{ 2}$ is useful in the meaning of trend; our data suggest that $ScvO_{ 2}$ is equivalent to $SvO_{ 2}$ , only in the course of clinical decisions as long as absolute values are not required. |
| Related Links | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2945516/pdf http://www.saudija.org/article.asp?issn=1658-354X;year=2010;volume=4;issue=2;spage=63;epage=67;aulast=Alshaer;type=2 |
| File Format | XHTML |
| ISSN | 1658354X |
| e-ISSN | 09753125 |
| DOI | 10.4103/1658-354X.65129 |
| Journal | Saudi Journal of Anaesthesia |
| Issue Number | 2 |
| Volume Number | 4 |
| Language | English |
| Publisher | Medknow |
| Access Restriction | Open |
| Subject Keyword | Integrative and Complementary Medicine Coronary Artery Bypass Grafting Mixed Venous Oxygen Saturation Entral Venous Oxygen Saturation Saudi Journal of Anaesthesia, Volume 4, Issue 2 |
| Content Type | Text |
| Resource Type | Article |
| Subject | Anesthesiology and Pain Medicine |
