Adherence to Treatment Flashcards
Definition of non adherence
Patient’s behaviour doesn’t match agreed recommendations made by prescriber
What 5 actions would be considered non adherent behaviour
Overuse of meds Not collecting meds Missed/changed doses Non persistence Not attending appointments
Describe the prevalence of non adherence
-when is non adherence the highest and the lowest
30-50% of drugs not taken as directed
Highest for preventative/lifestyle behaviours
Lowest for serious illnesses
What are the effects of non adherence
- disease
- personal costs
- societal costs
Disease progression/delayed recovery/increased morbidity and complications
Personal costs
- increased disability
- decreased QOL
Societal costs
- increased healthcare costs
- more aggressive treatment may be needed
What are the 2 types of non adherence
Unintentional
Intentional
What actions would fit under unintentional non adherence
- lacks capacity to remember
- functional limitations (practical barriers)
- resource limitations
- lacks understanding on when to take meds/treatment
What actions would fit under intentional non adherence
- asymptomatic (inaccurate illness perception)
- lack of motivation due to
- relationship with HCS
- lack of social support
- negative emotions
-treatment perceptions
What are the 2 types of perception that could affect chances of adherence
Illness perception
- identity
- cause
- timeline
- cure/control
- consequence
Treatment perception
- necessity
- concerns
What 3 factors dictate chances of adherence
Illness perception
Symptoms
Negative views about drugs
Balance between necessity and concerns
How do illness beliefs affect adherence
- consequence
- timeline
- personal control
- emotional effects
Increased consequence perception
Increased timeline perception
Lead to increased adherence
Personal control can lead to either
- increased capability to take meds => adherence
- negate needs to take meds => non adherence
Emotions
- +ve => adherence
- -ve =>adherence
How do treatment beliefs affect adherence
- necessity
- concerns
Which type of perception is more influential in adherence
Increased necessity => adherence
Increased concern => non adherence
Stronger predictors of adherence than illness perceptions
Illness perceptions impact on treatment perceptions
How would you increased adherence
Use motivational interviewing to maintain a good quality relationship with the patient
Address concerns and current illness and treatment perceptions => high neccessity and low concerns
How would you reduce the risk of non intentional non adherence
Remove barriers
- repeat prescriptions
- financial, social
Communicate well so the patient remembers and understands
How would you reduce the risk of intentional non adherence
Identify maladaptive illness and treatment perceptions and address them
-concerns, symptoms and consequences
Communicate well so the patient understands and remembers
How would you tailor intervention to the perceptions
Targeted texting based on individual profiles
- increased perceived necessity, control duration of LTCV
- behaviour and belief changes sustained
Anticipate and normalise non adherence
Discuss collaboratively