Appropriate Antibiotic Use and Associated Factors in Vietnamese Outpatients

Background: Inappropriate antibiotic use among outpatients is recognized as the primary driver of antibiotic resistance. A proper understanding of appropriate antibiotic usage and associated factors helps to determine and limit inappropriateness. We aimed to identify the rate of appropriate use of a...

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Bibliographic Details
Published in:Healthcare (Basel) 2021-06, Vol.9 (6), p.693
Main Authors: Nguyen, Lam V., Pham, Lien T. T., Bui, Anh L., Vi, Mai T., Nguyen, Nguyet K., Le, Tam T., Pham, Suol T., Nguyen, Phuong M., Nguyen, Thao H., Taxis, Katja, Nguyen, Thang, Tran, Hung D.
Format: Article
Language:English
Subjects:
Age groups
Antibiotics
Antimicrobial agents
appropriate antibiotic usage
associated factors
Clinics
Drug dosages
Drug resistance
Gender
Health insurance
Hospitals
outpatients
Pharmacy
Prescription drugs
Vietnam
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Summary:Background: Inappropriate antibiotic use among outpatients is recognized as the primary driver of antibiotic resistance. A proper understanding of appropriate antibiotic usage and associated factors helps to determine and limit inappropriateness. We aimed to identify the rate of appropriate use of antibiotics and identify factors associated with the inappropriate prescriptions. Methods: We conducted a cross-sectional descriptive study in outpatient antibiotic use at a hospital in Can Tho City, Vietnam, from August 1, 2019, to January 31, 2020. Data were extracted from all outpatient prescriptions at the Medical Examination Department and analyzed by SPSS 18 and Chi-squared tests, with 95% confidence intervals. The rationale for antibiotic use was evaluated through antibiotic selection, dose, dosing frequency, dosing time, interactions between antibiotics and other drugs, and general appropriate usage. Results: A total of 420 prescriptions were 51.7% for females, 61.7% with health insurance, and 44.0% for patients with one comorbid condition. The general appropriate antibiotic usage rate was 86.7%. Prescriptions showed that 11.0% and 9.5% had a higher dosing frequency and dose than recommended, respectively; 10.2% had an inappropriate dosing time; 3.1% had drug interactions; and only 1.7% had been prescribed inappropriate antibiotics. The risk of inappropriate antibiotic use increased in patients with comorbidities and antibiotic treatment lasting >7 days (p < 0.05). Conclusions: The study indicated a need for more consideration when prescribing antibiotics to patients with comorbidities or using more than 7 days of treatment.
ISSN:2227-9032
2227-9032
DOI:10.3390/healthcare9060693