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A pilot study on the rational use of medicines in four tertiary care hospitals through validated World Health Organization prescribing drugs indicators.

BACKGROUND
Appropriate utilization of therapeutic agents is a basic component of the quality of health outcomes for the patients and the community. A pilot study was conducted to evaluate the rational use of medicines and antibiotics, based on World Health Organization (who) prescribing indicators.


STUDY DESIGN
We performed a retrospective, descriptive, cross-sectional pilot study in the medical outpatient departments in four tertiary care hospitals of Islamabad, Pakistan, in order to verify the correct prescribing of medicines according to the validated indicators prepared by the World Health Organization (who).


METHODS
The Registries of all the prescriptions formulated during the period April 02 2017 - April 01 2018 by the outpatient departments of four tertiary care hospitals (two government funded hospitals (GH-A and GH-B) and two private funded hospitals (PH-C and PH-D) were considered. According to the World Health Organization recommendations, during the following month (April 02 2018 to May 1 2018), 600 prescriptions (150 per hospital) were collected by a random sampling method, verified and analyzed through a statistical tool (SPSS version 22.0).


RESULTS
Mean number of medicines per prescription were 4.6 (Optimal value ≤ 2), with the highest value observed in GH-B hospital. Out of these, 350 (58.3%) (Optimal value < 30%) prescriptions consisted of antibiotics and 340 (56.6%) (Optimal value < 25%) prescriptions consisted of injectable medicines, with marked differences between hospitals. About 550 (19.6%) medicines were prescribed by generic name in all selected prescriptions with the lowest value observed in PH-D (9.9%) (Optimal value = 100%). Overall, 88% medicines were prescribed from National essential medicine list/formulary (Optimal value = 100%). All the prescribing core indicators showed significant difference between hospitals (P = 0.001). The most commonly prescribed antibiotic was ceftriaxone (37.4%), followed by ciprofloxacin (15.1%).


CONCLUSIONS
Poor adherence to WHO prescribing indicators were observed in all medical outpatient departments in selected hospitals. WHO recommended core interventions should be implemented on trial basis to develop strategies to achieve long-lasting benefits.