drug-related problems among elderly who received ... leikola pres.pdf · among elderly who received...
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![Page 1: DRUG-RELATED PROBLEMS AMONG ELDERLY WHO RECEIVED ... Leikola Pres.pdf · AMONG ELDERLY WHO RECEIVED COMPREHENSIVE MEDICATION REVIEW Saija Leikola University of Helsinki. CMR PROCESS](https://reader033.vdocuments.us/reader033/viewer/2022050421/5f8ff92c1a71e63e3f311a7d/html5/thumbnails/1.jpg)
DRUG-RELATED PROBLEMS
AMONG ELDERLY WHO
RECEIVED
COMPREHENSIVE
MEDICATION REVIEW
Saija Leikola
University of Helsinki
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CMR PROCESS
GP identifies a patient needing CMR, background information to
the pharmacist
Patient interview (structured form)
Review Written report with findings and
recommendations
Case conference Actions
Follow-up
Problem-based - side-effect - adherence
- polypharmacy
Medications Drug Related Problems
1,2
Health Related Quality of Life
3
Drug & dose choices Side-effects Interactions
Drug costs
1. Cipolle ym. 2004
2. Westerlund ym. 2001
3. Brooks 1996
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METHODS
• Development of CMR integrated to a 1,5 year
continuing education training for pharmacy
practitioners => accreditation
– Key components: multiprofessional collaboration, actual
patient cases
• CMR training courses initiated in 2006 in Oulu and
Helsinki, patient cases aged ≥ 65 years by 26
attending community pharmacists
• DRPs classified from written case reports by the
PCNE Classification for DRPs version 5.01
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PATIENT CHARACTERISTICS
(n=121)
• Patients from 22 municipalities across
Finland
• 58% home-dwelling (n=70), 42% assisted
living setting (n=51)
• Mean age 80 years (range 65-95)
• Average number of regular prescription
medications 12.3 (4-23), as needed (2.8)
and OTC 2.2
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DRPs
• 785 DRPs
• Average 6.5/patient (range 1-20)
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MOST COMMON DRPS
Inappropriate drug for indication (17%, n=136)
Hypnotics and sedatives, anxiolytics, mebrobamate
No drug, but clear indication (16%, n=125)
Calcium, statins, ACE-inhibitors
Drug dose too high (12%, n=95)
PPI, furosemide, hypnotics and sedatives
ADR (11%, n=84) Opioid analgesics, antihypertensive drugs
ADR=adverse drug reaction
PPI= proton pump inhibitor
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CAUSES
• Most often related to prescribing
– C1.1. Inappropriate drug selection (23%)
– C1.2. Inappropriate dose selection (14%)
– C1.4. Pharmacokinetic problems (14%)
• Patient-related causes rare (<3%)
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ACCEPTANCE AND
INTERVENTIONS
• 649 recommendations, 55 % (n=360)
accepted as made
• Drug-level interventions in 51% of DRPs
– I3.5. Drug stopped (32%, n=128)
– I3.2. Dosage changed (23%, n=93)
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LIMITATIONS
• Pharmacists still in training: issues for
discussion
• Patients selected problem-based: results
not generalizable to all elderly population
• All interventions not possibly implemented
• Problems solved at patients home not
coded, unless reported to the physician
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DIFFICULTIES FACED
WHEN USING PCNE
CLASSIFICATION FOR DPRS
VERSION V5.01 FOR CODING
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DRPS DIFFICULT TO CODE
• PRACTICAL DIFFICULTIES
– e.g. The patient uses an asthma
inhaler incorrectly, difficulties with
swallowing big tablets/capsules
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E.G. PATIENT USES AN
ASTHMA INHALER
INCORRECTLY
• Is this a problem ”per se”? => New
problem code ”Practical problem”
• OR?
• Is the problem ”Drug dose too low”?
• OR?
• ”Risk for an adverse effect”? (cortisone=>
oral fungus infection)
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DRPS DIFFICULT TO CODE
• WRONG DOSING TIME
– e.g. Statins taken in the morning =>
less effective
• WRONG DOSING INTERVAL
– e.g. Nitrates without proper washout
period (at 8 am, 14 and 20 pm)
– => We added to P3. Dosing problems:
P3.5. Inappropriate dosing time or interval
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DRPS DIFFICULT TO CODE
• INEFFECTIVE DRUG THERAPY
– e.g. BB medication, hypnotics
– What is the problem?
• Dose low?
• Inappropriate drug for
indication?
• Duration of treatment too long?
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E.g.: Sleeping pills are not
helping. Treatment has continued
for years. What's the problem?
• Problem: Duration of treatment too long
• Cause: Inappropriate repeat prescribing
• OR?
• Problem: Ineffective treatment
• Cause: Duration of treatment too long
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DRPS DIFFICULT TO CODE
• ECONOMICAL CONSIDERATIONS
– Common
– Drug unneccesarily expensive
– We didn't code these, as the PCNE
classification version 5.01 does not
consider high costs as DRPs
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VERSION 6 HELPFUL (adds
ineffective therapy), BUT:
• Don't remove ”Drug dose too high”
– Beers criteria for inappropriate drug use
among the aged lists some drugs to be
inappropriate only by dose
• eg. Digoxin > 0,125 mg, Lorazepam > 3 mg,
Temazepam > 15 mg
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E.g. Recommendations say that
dose of paracetamol shouldn't
exceed 3 g. Dose used is 4 g.
• What is the problem?
• Drug dose too high? (an easy alternative)
• If no such code =>
• Risk for an adverse effect?
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CAUSES
• DIFFICULT TO CODE
– Cases, where the problem was ”Duration of
treatment too long” and cause inappropriate
repeat prescribing:
• e.g., alendronate etc. > 5 years
• Hypnotics > 2 weeks (for years)
• WE ADDED: To C1. Drug/dose selection
– C1.9. Treatment not
discontinued/intervalled appropriately
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CAUSES
• DIFFICULT TO CODE
– Several various patient-related causes
• WE ADDED: To C4.
Patient/Psychological
– C4.11. Other patient-related cause
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INTERVENTIONS
• Due to the time between the review and
case conference:
– I1.6. Intervention proposed, carried out
before case conference
• Intervention not actually rejected/accepted
– I1.7. Intervention proposed, prescriber
carried out other intervention
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CONCLUSIONS
• DRPs common among aged CMR patients
• Despite of polypharmacy, undertreatment
also problematic
• PCNE classification OK for research
purposes with slight modifications
• Needs to be simple and ”easy-to-use” for
pharmacists reporting findings and
interventions during CMR
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THANK YOU!
Acknowledgements
Prof. Marja Airaksinen
MSc. Johanna Virolainen