@article{oai:yamagata.repo.nii.ac.jp:00004823,
 author = {Kurota, Misato and Takahashi, Tatsuro and Akimoto, Ryo and Nakane, Masaki and Kawamae, Kaneyuki},
 issue = {1},
 journal = {山形大学紀要. 医学 : 山形医学, Bulletin of the Yamagata University. Medical science : Yamagata medical journal},
 month = {Feb},
 note = {論文(Article), Background: Estimated continuous cardiac output（esCCO）is a non-invasive technique for monitoring continuous cardiac output（CCO）that is based on pulse-wave transit time. In this study, we report the use of CCO monitoring for patients undergoing robot-assisted surgery with pneumoperitoneum in a head-down position. 
Method: Thirteen patients undergoing radical robot-assisted prostatectomy under general anesthesia were enrolled. Intraoperatively, esCCO and arterial pressure-based cardiac output（APCO）were simultaneously recorded. The association between esCCO and APCO was then evaluated using correlation analysis and Bland-Altman analysis. The trending ability of esCCO was evaluated by 4-quadrant plot analysis. 
Results: The correlation coefficient between esCCO and APCO was 0.54（P < 0.0001）. According to the Bland-Altman plot, the bias and precision values were 1.38 and 0.79 L/min, respectively. The concordance analysis showed the concordance rate of 92.3%. 
Conclusion: These results indicate that esCCO is capable of tracking hemodynamic changes associated with pneumoperitoneum in the head-down position.},
 pages = {38--42},
 title = {Experience of using a non-invasive pulse-wave transit time-based cardiac output monitoring in patients undergoing robot-assisted surgery with pneumoperitoneum in a head-down position},
 volume = {38},
 year = {2020}
}