Sedation strategy for retrograde cholangiopancreatography in older patients

Response to the letter to the editor “sedation strategy for retrograde cholangiopancreatography in older patients” by He et al

“…We would like to thank He et al 1 for their interest and comments, which gave us a chance to elucidate further some methodological details on our study. 2 In Group B, the sedation regimen was administered as midazolam at a dose of 2 mg, then additional doses of 1 mg every 5 min, and after starting ketamine at 1 mg/kg, additional doses were administered every 5 min at a dose of 0.5 mg/kg.…”