Chulalongkorn Medical Journal


Background: Non-compliance to antihypertensive medication is a factor associated with a failure in controlling high blood pressure (BP) in the patients with hypertension (HT). To date, patient factors associated with non-compliance in patients with hypertensive crisis have not been investigated in Thai population. Objective: This study aimed to describe the factors related with compliance to the hypertensive therapy among the patients with hypertensive crisis who visited the emergency department (ED). Methods: The descriptive-correlational study was conducted at the ED of an urban, tertiary-care hospital. The eligible subjects were asked to respond to a set of questionnaires. Results: One hundred subjects were recruited to the study. The subjects had low scores on Brief Illness Perception Questionnaire (mean score = 38.5  12.3) and moderate scores of Hill-Bone Compliance to High Blood Pressure Therapy Scale (mean score = 33.1  10.1). However, they had inadequate perception on their HT as a health threat or were not sufficiently concerned on the importance of the treatment. Moreover, they tended not to take medicine (s) without proper instruction. The factors associated with better compliance to high BP therapy were old age and high educational levels. Conclusion: Subjects had inadequate illness perception towards their underlying HT and the importance of its treatment. Better compliance of treatment of hypertension was associated with higher age group and higher educational level of the patients.

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