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- Title
Efficacy and hemodynamic response of pleural carbon dioxide insufflation during thoracoscopic surgery in a swine vessel injury model.
- Authors
Okamura, Ryo; Takahashi, Yusuke; Dejima, Hitoshi; Nakayama, Takashi; Uehara, Hirofumi; Matsutani, Noriyuki; Kawamura, Masafumi
- Abstract
Purposes: Thoracoscopic anatomical lung resection is a minimally invasive technique, but intraoperative massive bleeding is a critical complication. We investigated the hemostatic efficacy and safety of intrapleural carbon dioxide (CO) insufflation in thoracoscopic surgery in a swine vessel injury model. Methods: Swines were assigned to one of four groups subjected to thoracoscopic surgery under target intrathoracic pressures of 0, 5, 10, or 15 mmHg CO insufflation, respectively. A pin-hole injury of the right cranial lobe pulmonary vein was inflicted thoracoscopically and we compared the blood loss and hemodynamic changes in each group. Results: There were no signs or echographic findings of air embolus. Both the blood loss per minute and total blood loss during the experiment were significantly lower in the 10 and 15 mmHg groups than in the 0 mmHg group ( p > 0.05, respectively). The hemodynamic signs, including heart rate, mean arterial pressure, and peripheral oxygen saturation, were not significantly different in the 0 and 10 mmHg groups at most times, although they were significantly correlated with the insufflation pressure during the experiments ( p < 0.05). Conclusions: CO insufflation in thoracoscopic major lung resection appears to be safe, even in the short term, and can help to control vessel injury.
- Subjects
CARBON dioxide in the body; INSUFFLATION; CHEST endoscopic surgery; SWINE diseases; INTRAOPERATIVE care
- Publication
Surgery Today, 2016, Vol 46, Issue 12, p1464
- ISSN
0941-1291
- Publication type
Article
- DOI
10.1007/s00595-016-1323-7