Polypharmacy Flashcards
What proportion of 65-74year olds take 3 or more prescribed medications?
1/2
What proportion of >75 year olds take 3 or more prescribed medications?
> 70%
What proportion of adults are hospitalised for medication related problems?
1 in 4
What percentage of hospital admissions are due to ADRs?
6.5%
What percentage of hospital admissions due to ADRS are avoidable?
55%
Which drugs most commonly cause ADRS?
NSAIDS – ulcers, GI bleed, AKI, CKD, heart failure
Diuretics – hyponatraemia/hypokalaemia – falls
Warfarin
ACE inhibitors
Antidepressants – constipation, hyponatraemia, falls
Which drugs increase falls risk?
Antipsychotics
Hypnotics
Antidepressants
To a lesser extent thiazides and NSAIDs
Which drugs increase fracture risk?
SSRIs
Glitazones
Corticosteroids
PPIs
Which drugs increase C.difficile risk?
Broad spectrum antibiotics Cefuroxime Ciprofloxacin Coamoxiclav Clindamycin
How should you monitor elderly patients?
especially with drugs that have a narrow TW
cant rely on eGFR in patients over 70 as creatinine levels don’t reflect renal function due to reduced muscle mass
check creatinine clearance instead
What is Beer’s criteria?
a list of potentially harmful drugs
What is the medication review tool - NO TEARS
Need/indication
Open questions
Tests Evidence Adverse effects Risk reduction Simplification/switches