Current drug safety · 2026
Magnitude and Predictors of Antimicrobial Use-Related Drug Problems in Geriatric Inpatients: Evaluation of Pharmacist Interventions.
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Hussain Mian Waqar, Lucca Jisha Myalil, Gulam Shabaz Mohiuddin, Menon Vineetha
Аннотация
INTRODUCTION: Infections remain a major cause of illness and death in older adults. Physiological changes, polypharmacy, and chronic conditions complicate antimicrobial therapy and increase the risk of drug problems. Pharmacist-led interventions improve prescribing, but evidence from the United Arab Emirates is limited. This study evaluated the magnitude and determinants of antimicrobial use-related drug problems and assessed clinical pharmacist interventions in hospitalized older adults with infections.
METHODS: A retrospective observational study was conducted from February to July 2022 at a 350-bed tertiary care academic hospital in the United Arab Emirates. Medical records of patients aged 60 years and older admitted with infections and treated with systemic antimicrobials were reviewed. Drug-related problems were classified using the Hepler and Strand framework.
RESULTS: Among 102 patients, 85 antimicrobial-related drug problems were identified, with half experiencing at least one. Common categories were drug-drug interactions (29%), unnecessary use (18%), and overdosing (14%). Cephalosporins (21%), penicillins (12%), and fluoroquinolones (12%) were the most frequently implicated classes. Clinical pharmacists made 79 recommendations; 95% were accepted, and 91% were implemented. Main interventions were drug omission (28%), substitution (25%), and dose modification (23%). Prior antimicrobial use, polypharmacy, and longer hospital stay predicted drug problems.
DISCUSSION: The high prevalence of antimicrobial use-related drug problems highlights the challenges of polypharmacy and prolonged hospitalization. Findings reinforce the feasibility and acceptance of pharmacist-led interventions, supporting their role in antimicrobial stewardship.
CONCLUSION: Clinical pharmacists are integral to optimizing antimicrobial therapy and improving medication safety in older adults.
METHODS: A retrospective observational study was conducted from February to July 2022 at a 350-bed tertiary care academic hospital in the United Arab Emirates. Medical records of patients aged 60 years and older admitted with infections and treated with systemic antimicrobials were reviewed. Drug-related problems were classified using the Hepler and Strand framework.
RESULTS: Among 102 patients, 85 antimicrobial-related drug problems were identified, with half experiencing at least one. Common categories were drug-drug interactions (29%), unnecessary use (18%), and overdosing (14%). Cephalosporins (21%), penicillins (12%), and fluoroquinolones (12%) were the most frequently implicated classes. Clinical pharmacists made 79 recommendations; 95% were accepted, and 91% were implemented. Main interventions were drug omission (28%), substitution (25%), and dose modification (23%). Prior antimicrobial use, polypharmacy, and longer hospital stay predicted drug problems.
DISCUSSION: The high prevalence of antimicrobial use-related drug problems highlights the challenges of polypharmacy and prolonged hospitalization. Findings reinforce the feasibility and acceptance of pharmacist-led interventions, supporting their role in antimicrobial stewardship.
CONCLUSION: Clinical pharmacists are integral to optimizing antimicrobial therapy and improving medication safety in older adults.