Implications of the Medication Regimen Complexity Index Score on Hospital Readmissions in Elderly Patients with Heart Failure: A Retrospective Cohort Study

Author:

Abdelbary Asmaa1,Kaddoura Rasha1,Balushi Sara Al1,Ahmed Shiema1,Galvez Richard1,Ahmed Afif1,Nashwan Abdulqadir J.1,Alnaimi Shaikha1,Hail Moza Al1,Elbdri Salah1

Affiliation:

1. Hamad Medical Corporation

Abstract

Abstract Background The likelihood of elderly patients with heart failure (HF) being readmitted to the hospital is higher if they have a higher medication regimen complexity index (MRCI) compared to those with a lower MRCI. The objective of this study was to investigate whether there is a correlation between the MRCI score and the frequency of hospital readmissions (30-day, 90-day, and 1-year) among elderly patients with HF. Methods The study was a retrospective cohort study conducted at a single center, in which MRCI scores were computed utilizing a published tool for 30 patients with high MRCI scores and 30 patients with low MRCI scores. Results A total of 150 patients were included. The mean MRCI score for all patients was 33.43. Ninety percent of patients had a high score. There was no link between a high MCRI score and a high 30-day readmission rate (OR 1.02; 95% CI 0.99–1.05; p < 0.13). A high MCRI score was associated with an initial significant increase in the 90-day readmission rate (odd ratio, 1.03; 95% CI, 1.00-1.07; p < 0.022), but not after adjusting for independent factors (odd ratio, 0.99; 95% CI, 0.95–1.03; p < 0.487). There was no significant difference between high and low MRCI scores in their one-year readmission rate. Conclusion The study's results indicate that there is no correlation between a higher MRCI score and the rates of hospital readmission or mortality among elderly patients with HF. Therefore, it can be concluded that the medication regimen complexity index does not appear to be a significant predictor of hospital readmission or mortality in this population.

Publisher

Research Square Platform LLC

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