右美托咪定 (Dexdor, Igalmi, Precedex +1)

概览

Dexmedetomidine is an alpha-2 agonist used for sedation during various procedures.

作用机制

Dexmedetomidine is a specific and selective alpha-2 adrenoceptor agonist. By binding to the presynaptic alpha-2 adrenoceptors, it inhibits the release if norepinephrine, therefore, terminate the propagation of pain signals. Activation of the postsynaptic alpha-2 adrenoceptors inhibits the sympathetic activity decreases blood pressure and heart rate.

适应症

Administered intravenously, dexmedetomidine is indicated for the sedation of initially intubated and mechanically ventilated patients during treatment in intensive care settings, and for the sedation of non-intubated patients prior to and/or during surgery and other procedures. It is also available as a buccally- or sublingually-administered dissolvable film for the acute treatment of agitation associated with schizophrenia or bipolar I or II disorder.

• Agitation
• Alcohol Withdrawal Syndrome