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World J Surg Oncol. 2012 Sep 27;10:202. doi: 10.1186/1477-7819-10-202.

Optimal carbon dioxide insufflation pressure during robot-assisted thyroidectomy in patients with various benign and malignant thyroid diseases.

Author information

1
Department of Surgery, College of Medicine, Korea University, Seoul, South Korea.

Abstract

BACKGROUND:

Currently, data are not available concerning a safe insufflation pressure that provides a proper view of the surgical field without adverse metabolic and hemodynamic changes in humans undergoing the robot-assisted thyroidectomy bilateral axillo-breast approach (BABA) using the da Vinci robotic surgical system. The purpose of this study was to determine the optimal carbon dioxide (CO₂) insufflation pressure in patients with various benign and malignant thyroid diseases when using the da Vinci robotic surgical system.

METHODS:

A total of 32 patients underwent thyroid surgery at 6 (n = 15), 9 (n = 15), and 12 (n = 2) mmHg. The partial pressure of carbon dioxide (PaCO₂), pH, cardiac output, heart rate, and mean arterial pressure were measured at baseline, 30 min and 1, 1.5, and 2 hours after CO₂ insufflation, and 30 min after desufflation.

RESULTS:

CO₂ insufflation of 12 mmHg caused severe facial subcutaneous emphysema, hypercarbia, and acidosis during robot-assisted thyroidectomy with BABA. The study was stopped before completion for the patients' safety in accordance with the study protocol. Applying 6- or 9- mmHg of CO₂ insufflation pressure caused increases in PaCO₂ and decreases in arterial pH. However, vital signs were stable and pH and PaCO₂ were within the physiologic range during the surgery in the 6- and 9-mmHg groups.

CONCLUSIONS:

We propose that a CO₂ insufflation pressure under 10 mmHg in robot-assisted thyroidectomy with BABA is the optimal insufflation pressure for patient safety.

PMID:
23017080
PMCID:
PMC3506561
DOI:
10.1186/1477-7819-10-202
[Indexed for MEDLINE]
Free PMC Article
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