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Inhaled anesthetics usage, smoking, and time integral of
intraoperative hypotension were linked with PONV.
According to a restrospective analysis of 247 patients who underwent thyroidectomy, the
occurence of intraoperative hypotension was associated with postoperative
nausea and vomiting (PONV), as assessed via AUC-s100%. This outcome was based on the assumption that intraoperative
hypotension during general anesthesia may be reason for PONV.
The baseline value was considered as the initial blood
pressure (BP) determined prior to the initiation of anesthesia. Systolic BP
evaluated during the surgery, from the beginning to the end of anesthesia was
obtained from the anesthetic records. The time integral value was noted when
the measured systolic BP fell lower than the baseline value and were regarded
as area under the curve (AUC) of s100%.
As found, PONV was observed in 88 patients (35.6%) out of 247 patients under consideration. The
univariate and multiple logistic regression analysis interpreted that total
intravenous anesthesia (TIVA), history of smoking, and AUC-s100% were notably
linked with PONV.
Brazilian Journal of Anesthesiology (English Edition)
Association between intraoperative hypotension and postoperative nausea and vomiting: a retrospective analysis of 247 thyroidectomy cases
Hitomi Nakatani et al.
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