Case Report
Adequate Oxygenation State Maintained during Electroconvulsive Therapy in Nonobese Patients Using the Oxygen Reserve Index: A Pilot Study
Table 1
Time course of changes in ORi and SpO2 between the three groups.
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Data are expressed as mean ± SD. ORi: oxygen reserve index; NA: not assigned. One minute: one minute of preoxygenation before induction of anesthesia. Three minutes: three minutes of preoxygenation before induction of anesthesia. ① Before preoxygenation; ② thirty seconds after starting oxygenation; ③ one minute after starting oxygenation; ④ before cessation of manual mask ventilation; ⑤ before restarting manual mask ventilation; ⑥ at time of restarting spontaneous breathing; ⑦ full recovery of spontaneous breathing. compared with the other two groups. compared with the preoxygenation period. |