Evaluation of antibiotic prescribing for adult inpatients at Sultan Qaboos University Hospital, Sultanate of Oman

Objective

Little is known into the prudent use of antibiotics in hospitals in Oman. This study is to evaluate antibiotic prescribing by measuring the overall compliance with the local antibiotic prescribing guidelines.

Methods

An observational study involving 366 patients' admission episodes as determined by power analysis on patients (≥18 years) on oral and/or parenteral antibiotic during admission, in the period of 10 weeks (1 February–15 April, 2014). The adapted audit tool of the Barking, Havering and Redbridge University Hospitals NHS Trust was used for this study. Analyses were performed using descriptive statistics. Main outcome measures: antibiotic prescribing compliance with the local guidelines as well as the overall restricted antibiotic policy adherence at Sultan Qaboos University Hospital (SQUH).

Results

The number of prescribed and audited antibiotics totalled 825, compliance with local guidelines was suboptimal at 63% (n=520), and of 211 restricted antibiotics prescribed, the overall adherence to restricted antibiotic policy was inadequate at 46% (n=98). The majority of the antibiotics prescribed were broad spectrum at 90% (n=739), mainly penicillins at 31% (n=256) and cephalosporins at 17% (n=139).

Conclusion

The study has provided valuable baseline details of antibiotic prescribing patterns in SQUH. The diagnosis was documented in 89% (n=327) of the admission episodes. However, the compliance with SQUH antibiotic prescribing guidelines was suboptimal, and the overall compliance with SQUH restricted antibiotic guidelines was in 46% of the prescriptions. Further studies are required to address the reasons behind the non-compliance with local guidelines.

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