Key result
Potential drug-drug interactions occurred in 78.5% of hospitalized chronic kidney disease patients, with older age, polypharmacy, lengthy hospitalization, and hypertension identified as key risk factors.
Observational (n=209)
No
A high prevalence of potential drug-drug interactions (78.5%) was observed in hospitalized CKD patients, highlighting the need for careful medication review, especially in those with polypharmacy and hypertension.
High pDDI prevalence in hospitalized CKD patients supports medication review in polypharmacy; leaves open whether interventions reduce harm.
Background: Chronic kidney disease (CKD) alters the pharmacokinetic and pharmacodynamic responses of various renally excreted drugs and increases the risk of drug-related problems, such as drug–drug interactions. Objectives: To assess the pattern, determinants, and clinical relevancy of potential drug–drug interactions (pDDIs) in CKD patients. Materials and methods: This study retrospectively reviewed medical charts of all CKD patients admitted in the nephrology unit of a tertiary care hospital in Pakistan from January 2013 to December 2014. The Micromedex Drug-Reax ® system was used to screen patient profiles for pDDIs, and IBM SPSS version 20 was used to carry out statistical analysis. Results: We evaluated 209 medical charts and found pDDIs in nearly 78.5% CKD patients. Overall, 541 pDDIs were observed, of which, nearly 60.8% patients had moderate, 41.1% had minor, 27.8% had major, and 13.4% had contraindicated interactions. Among those interactions, 49.4% had good evidence, 44.0% had fair, 6.3% had excellent evidence, and 35.5% interactions had delayed onset of action. The potential adverse outcomes of pDDIs included postural hypotension, QT prolongation, ceftriaxone–calcium precipitation, cardiac arrhythmias, and reduction in therapeutic effectiveness. The occurrence of pDDIs was found strongly associated with the age of <60 years, number of prescribed medicines ≥5, hypertension, and the lengthy hospitalization of patients. Conclusion: The occurrence of pDDIs was high in CKD patients. It was observed that CKD patients with an older age, higher number of prescribed medicines, lengthy hospitalization, and hypertension were at a higher risk of pDDIs.
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Saleem et al. (2017) conducted an observational in Chronic kidney disease (n=209). Potential drug-drug interactions (pDDIs) was evaluated on Pattern, determinants, and clinical relevancy of potential drug-drug interactions (pDDIs). Potential drug-drug interactions occurred in 78.5% of hospitalized chronic kidney disease patients, with older age, polypharmacy, lengthy hospitalization, and hypertension identified as key risk factors.
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