Why the study?
Do varying systolic blood pressure and R-R interval thresholds affect the assessment of baroreflex sensitivity by the sequence method compared to the modified Oxford technique during sevoflurane anesthesia?
Do varying systolic blood pressure and R-R interval thresholds affect the assessment of baroreflex sensitivity by the sequence method compared to the modified Oxford technique during sevoflurane anesthesia?
This study investigates the optimal thresholds for assessing baroreflex sensitivity using the sequence method during sevoflurane anesthesia.
Optimal baroreflex sensitivity thresholds during sevoflurane anesthesia remain undefined; leaves open validation of sequence method against modified Oxford technique.
The sequence method of determining baroreflex sensitivity (BRSSEQ) has been reported to correlate poorly with the phenylephrine method of determining BRS in individuals with attenuated BRS. Inhalation anesthetics are also known to decrease BRS. We therefore assessed the effect of varying the systolic blood pressure (SBP) and R-R interval (RRI) thresholds on BRSSEQ values and compared these results with the BRS obtained by the modified Oxford technique (BRSMODOX).
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Kim et al. (2007) studied this question.
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