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Accuracy and patient perceived difficulty of utilizing ototopical antibiotic therapy.
PURPOSE: To examine how patients self-administer ear drops, ascertain their perceived difficulty in performing the task and determine if they are able to deliver the correct dosage.
MATERIALS AND METHODS: This is a prospective cohort study performed in an otology outpatient clinic with twenty-one subjects with a condition requiring ototopical antibiotics. The number of ear drops applied as well as skills performed during ear drop application was measured. Patient reported difficulty and confidence in application of ear drops data was also obtained.
RESULTS: The mean number of drops applied was 2.91 ± 2.1 (target = 3 drops) with a large variance in drop application, range of 0.6 to 9.2 drops. If "correct dosage" is considered 85-115% of the intended dose, then almost half of patients, 47.6%, underdosed with 23.8% that over dosed. Patients reported that the average difficulty in applying drops to themselves was 3.6 (1 being easy and 10 being difficult). Patients reported a high confidence level in applying the correct dose of ear drops of 6.7 (1 being not confident and 10 being very confident).
CONCLUSIONS: In our study of 21 patients self-administering ear drops, only 28.6% of patients were able to correctly apply the appropriate treatment dose, with almost half of patients underdosing. Questionnaire data indicated that most patients were unaware they were administering an incorrect dose. Inaccurate administration of ear drops could be problematic and lead to longer durations of symptoms, false treatment failures, and increased costs.
MATERIALS AND METHODS: This is a prospective cohort study performed in an otology outpatient clinic with twenty-one subjects with a condition requiring ototopical antibiotics. The number of ear drops applied as well as skills performed during ear drop application was measured. Patient reported difficulty and confidence in application of ear drops data was also obtained.
RESULTS: The mean number of drops applied was 2.91 ± 2.1 (target = 3 drops) with a large variance in drop application, range of 0.6 to 9.2 drops. If "correct dosage" is considered 85-115% of the intended dose, then almost half of patients, 47.6%, underdosed with 23.8% that over dosed. Patients reported that the average difficulty in applying drops to themselves was 3.6 (1 being easy and 10 being difficult). Patients reported a high confidence level in applying the correct dose of ear drops of 6.7 (1 being not confident and 10 being very confident).
CONCLUSIONS: In our study of 21 patients self-administering ear drops, only 28.6% of patients were able to correctly apply the appropriate treatment dose, with almost half of patients underdosing. Questionnaire data indicated that most patients were unaware they were administering an incorrect dose. Inaccurate administration of ear drops could be problematic and lead to longer durations of symptoms, false treatment failures, and increased costs.
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