Drug related medical emergencies in the elderly: role of adverse drug reactions and non-compliance
S Malhotraa, R S Karana, P Pandhia, S Jainb
a Postgraduate
Institute of Medical Education & Research, Chandigarh 160 012, India:
Department of Pharmacology, b Department of Internal Medicine
Correspondence to: Dr Pandhi medinst{at}pgi.nic.in
Submitted 10 January
2001;
Accepted 27 March 2001
BACKGROUND
Adverse drug reactions
and non-compliance are important causes of admissions in the elderly to
medical clinics. The contribution of adverse drug reactions and
non-compliance to admission by the medical emergency department was analysed.
METHODS
A total of 578 consecutive
elderly patients admitted to the medical emergency department were
interviewed to determine the percentage of admissions due to adverse
drug reactions or non-compliance with medication regimens, their
causes, consequences, and predictors.
RESULTS
Eighty three (14.4%) of
the 578 admissions were drug related: 39 (6.7%) caused by adverse drug
reactions and 44 (7.6%) caused by non-compliance with medication. One
hundred ninety two (33.2%) patients had a history of non-compliance.
Factors associated with an increased risk of admission because of an
adverse drug reaction were patients with diabetes or neoplasms, and
patients using numerous different medications. Factors associated with
a higher risk of hospitalisation because of non-compliance were poor
recall of the medication regimen, seeing numerous physicians, female
sex, polypharmacy, drug costs, and switching over to non-conventional forms of treatment.
CONCLUSION
Many elderly admissions
are drug related, with non-compliance accounting for a substantial
fraction of these. Elderly people at high risk of suffering a drug
related medical emergency are identified and suitable interventions may
be planned by the healthcare policymakers to target them.
Keywords: adverse drug reactions; non-compliance; drug related medical emergencies; elderly
© 2001 by The Fellowship of Postgraduate Medicine
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