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The measurement of VO2 and VCO2 makes it possible to calculate the respiratory quotient (RQ) (VCO2 / VO2) which is a reflection of human energy metabolism and therefore of anaerobiosis. A study has been conducted in our department to demonstrate the ability of the indirectly measured RQ from the inspired and exhaled breath analysis of the anesthetic respirator to predict the onset of anaerobic metabolism and postoperative complications in the operating room.
But, because of artificially increase of carbon dioxide due to insufflation, coelioscopic surgery was an exclusion criteria of our pilot study.
However, no study has examined the impact of coelioscopy on the indirect measurement of RQ
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| coelioscopic surgery | Procedure | observational study based on the computation of respiratory quotient in patient cohort treated by routine coelioscopic surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Indirect respiratory quotient by measurement of VO2 and VCO2 | The measurement of VO2 and VCO2 makes it possible to calculate the respiratory quotient (RQ) (VCO2 / VO2) | during coelioscopic surgery |
| Measure | Description | Time Frame |
|---|---|---|
| occurence of at least one post-operative complication | the aim is to predict the occurence of at least one complication with the use of indirect respiratory quotient | through study completion, an average of 6 months |
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| Name | Affiliation | Role |
|---|---|---|
| Stéphane Bar, PH | CHU Amiens-Picardie | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CHU Amiens-Picardie | Amiens | 80054 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32533528 | Derived | Bar S, Santarelli D, de Broca B, Abou Arab O, Leviel F, Miclo M, Dupont H, Guinot PG, Lorne E. Predictive value of the respiratory exchange ratio for the occurrence of postoperative complications in laparoscopic surgery: a prospective and observational study. J Clin Monit Comput. 2021 Aug;35(4):849-858. doi: 10.1007/s10877-020-00544-5. Epub 2020 Jun 12. |
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