ANTICIPATORY DRUGS AT THE END OF LIFE Flashcards
What is anticipatory prescribing?
Drugs that may but not necessarily will be needed for someone dying
E.g. just in case meds - symptoms may not yet be present
For cachechetic pt what route of drugs should you use?
Subcutaneous or oral
NOT IM
Examples of unnecessary medications in pt last few days of life?
Steroids
Antibiotics
Hormones
Antidepressants
Diabetic drugs
Statins and other CVD drugs
Vitamins/irons
Prophylactic LMWH
(Clinically assess first!!)
Anticipatory pain management for a pt not currently taking any pain medication?
Prescribe diamorphine s/c injections
If 2-3 prn doses are required then commence a syringe driver
Review and assess pain every 24 hours
Anticipatory pain management for a pt taking oral morphine who now cannot swallow?
Convert oral morphine dose to diamorphine (divide 24 hr dose by 3)
Also prescribe prn diamorphine s/c for breakthrough pain
Review and assess pain every 24 hours
Common indications for syringe drivers?
Severe dysphagia
Persistent n&v
Poor alimentary absorption
Anticipatory pain management for a pt on fentanyl?
Maintain fentanyl patch at existing dose and prescribe diaphoresis s/c prn in anticipation of breakthrough pain
If 2-3 prn doses are required in 24 hours then commence diamorphine s/c via a syringe driver over 24 hours
Review and asssess pain every 24 hours
How much more potent is fentanyl than morphine?
X150
Most important initial management in respiratory tract secretions?
Explanation to family - often more distressing to family than pt
Anticipatory management for respiratory tract secretions?
Prescribe in anticipation at first sight glycopyrronium or hyoscine butylbromide
If present:
Try turning pt
Explain to family
Glycopyrronium or hydrocine butylbromide s/c injections 200 micrograms and syringe driver 800 micrograms (need the injections first as syringe driver takes 6 hours to work so this is bridging )
And continue to administer s/c PRN doses as needed up to a maximum daily dose of 1200 micrograms
Anticipatory prescribing for restlessness and agitation?
Midazolam s/c
Optimise non-pharm measures: fix full bladder, pain, constipation, anxiety, sepsis etc.
If they are agitated then give midazolam and repeat dose when needed.
(Second line - levomepromazine if midazolam only had a partial effect)
What pharmacological therapy is 1st line for delirium?
Haloperidol
Management delirium in anticipatory prescribing?
Haloperidol - prescribe in anticipation and start when present
Also assess for any underlying cause and reverse if possible. Nurse in a quiet well lit room with family present. Relieve physical factors and avoid precipitating situations e.g. change in environment
(Second line - add in midazolam or change to levomepromazine)
Anticipatory prescribing for dyspnoea?
Prescribe diamorphine in anticipation
If present then prescribe 1/20th of the 24 hour analgesic dose of a prn dose - give 1-2 hourly
(Second line: if pt has a lot of fear and anxiety then benzodiazepines can be used)
Anticipatory prescribing for nausea and vomiting?
Prescribe haloperidol in anticipation
If present then use most appropriate anti-emetic based on the aetiology