dexmedetomidine + norepinephrine

Dexmedetomidine + norepinephrine is a combination of two pharmacologically active agents used primarily in critical care and anesthesia settings. Dexmedetomidine is a highly selective α2-adrenergic receptor agonist that exerts sedative, analgesic, anxiolytic, and sympatholytic effects by acting on central and peripheral α2 receptors. It reduces sympathetic outflow by inhibiting the release of norepinephrine from the locus coeruleus in the brainstem, resulting in sedation that closely mimics natural sleep without significant respiratory depression[1][3][5]. Norepinephrine (also known as noradrenaline) is an endogenous catecholamine with potent vasoconstrictive properties via stimulation of α1-adrenergic receptors on vascular smooth muscle, leading to increased blood pressure. In clinical practice, this combination may be used for patients requiring both sedation (dexmedetomidine) and hemodynamic support (norepinephrine), such as those with septic shock or during perioperative management where maintaining adequate blood pressure while providing sedation is necessary.

Other names

右美托咪定+去甲肾上腺素