Palliative Sedation Flashcards
Ordinary sedation
Goal: reduce suffering
No intent to decrease consciousness during usual waking hours. if consciousness reduced then need to change meds
Ex benzo for anxiety or insomnia
Proportionate palliative sedation
Goal: Relieve suffering
Ok to have decreased level of consciousness if that is what it takes to relieve suffering
Unconsciousness not the goal but ok side effect if needed
Palliative sedation to unconsciousness
Goal: Make pt unconscious because otherwise they have uncontrolled suffering
ex: unrelieved pain, dyspnea, nausea, delirium
Respite sedation
Goal: temporary sedation while physicians work to start tx for symptoms causing suffering.
Eventually discontinue with hope that symptoms will be better controlled
Midazolam
Loading dose: 0.2mg/kg
Repeat half loading dose every 30min
Once sedation achieved give 25% of total dose per hr as continuous SC infusion
Max: 10mg/hr
Not good if pt have chronic benzo use
Lorazepam
0.5mg to 2mg PO/SL/buccal q1hr or SC q30min
OR 1-5mg IV bolus then continue infusion at 0.5-1/hr
Maintenance dose: 4mg/day to 40mg/day
Good for home care setting
Not good if pt have chronic benzo use
Phenobarbital
Loading dose: 10mg/kg IM (repeat every 15min PRN)
Continuous infusion 10-20mg/hr
OR
Loading dose 200mg SC/IV then continuous 25mg/hr
Usual maintenance dose: 600-2,400mg/daily
Thiopental
Loading dose: 5-7mg/kg
Continuous 20-80mg/hr IV
usual maintenance: 70-180mg/hr
Propofol
Loading dose: 20-50mg IV (repeat every 10-15min PRN)
continue at 5-10mg/hr IV