Effect of vaginal delivery history on oliceridine ED₅₀ combined with propofol during painless hysteroscopy: a modified Dixon sequential study
Objective To determine the median effective dose (ED50) of oliceridine combined with propofol for inhibiting movement response during hysteroscopy in patients with versus without a history of vaginal delivery. Methods Patients scheduled for hysteroscopy who met the inclusion criteria were stratified into two cohorts: t...