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In order to describe how human immunodeficiency virus (HIV) clinics in and around London are trying to optimize their patients' adherence to highly active antiretroviral therapy (HAART), we performed a survey of practice and policy in the clinics using a postal questionnaire. Clinics were also asked to review up to 10 randomly selected case notes of patients receiving HAART and complete a questionnaire on each about how adherence was encouraged and assessed. Twelve clinics took part in the project and surveyed the notes of 89 patients. The results show that several clinics define adequate adherence as taking more than 95% of prescribed doses although there was no uniform definition across the participating units. Adherence was encouraged through simplifying HAART regimens, providing dose-dispensing boxes and alarms, arranging early follow-up for patients starting treatment, and offering continuing support through specific health care workers. Adequate discussion and provision of written information was seen as an important aid to adherence but the case note survey showed evidence of deficiencies in this area in approximately 40% of patients. Assessed levels of adherence were less than 95% in 27% of patients. The main reasons for suboptimal adherence were found to be lack of motivation to take treatment by the patients, high pill burden, and drug side effects although there were several other contributing factors. This study shows that the HIV units take HAART adherence seriously but there are several deficiencies in putting policy into practice.
Brook et al. (Sat,) studied this question.