Association between continuous phenylephrine infusion and hemodynamic stability in patients undergoing gastrointestinal endoscopy under remimazolam sedation: a retrospective cohort study.

Analysis of maximum decrease in systolic blood pressure during the procedure showed that the maximum systolic blood pressure decrease was 9.94 ± 11.51% in the phenylephrine group compared to 22.47 ± 7.75% in the control group, representing a highly significant difference (mean difference 12.53%, P < 0.001, Cohen’s d = 1.28).

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