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Looking beyond polypharmacy: quantification of medication regimen complexity in the elderly
Nariman Mansur1, Avraham Weiss, Yichayaou Beloosesky
1Pharmacy Services, Rabin Medical Center, Beilinson Hospital, Sackler School of Medicine, Tel Aviv University, Petach Tikvah, Israel. narimanm@clalit.org.il
The American Journal of Geriatric Pharmacotherapy
|July 4, 2012
Summary
The Medication Regimen Complexity Index (MRCI) effectively measures medication complexity in elderly patients, correlating with adherence and health outcomes. This tool aids in identifying complex regimens for targeted interventions.
Area of Science:
- Geriatric Medicine
- Clinical Pharmacology
- Health Services Research
Background:
- Polypharmacy significantly impacts elderly patient outcomes.
- The Medication Regimen Complexity Index (MRCI) quantifies medication complexity.
- The MRCI's impact on post-discharge health outcomes in the elderly remains understudied.
Purpose of the Study:
- To evaluate the convergent, discriminant, and predictive validity of the MRCI.
- To assess the MRCI in hospitalized older adults with diverse functional and cognitive statuses.
Main Methods:
- Retrospective application of the MRCI to 212 hospitalized patients' medication regimens.
- Assessment of MRCI validity against various clinical and demographic factors.
Main Results:
- MRCI scores strongly correlated with medication count (r=0.94) and daily doses (r=0.87).
- Higher MRCI scores were linked to nonadherence and increased medication burden.
- MRCI demonstrated validity in classifying regimen complexity beyond simple medication counts.
Conclusions:
- The MRCI is a valid tool for assessing medication regimen complexity in the elderly.
- MRCI shows promise for clinical research and practice in geriatric care.
- Further research is needed to confirm MRCI's superiority over medication counts for intervention guidance.
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