Adherence to the treatment in patients with hypertension during the war in Ukraine

Abstract

Background. The aim of the study: to investigate additional factors that affect the adherence to antihypertensive therapy in patients with hypertension in conditions of war in Ukraine. Materials and methods. The study included 1,299 hypertensive patients with an average age of 65.4 ± 14.8 years, who are residents of different regions of Ukraine. The observation period lasted 3 months, from October 1 to December 12, 2023. All patients were divided into four groups: I — a fixed three-component combination of olmesartan medoxomil/amlodipine/hydrochlorothiazide, II — a fixed two-component combination of olmesartan/hydrochlorothiazide, III — a fixed two-component therapy with olmesartan/amlodipine, IV — any other non-fixed two- or three-component antihypertensive therapy. Adherence to therapy was assessed after 1, 2, and 3 months and statistical analysis of the obtained data was performed. Results. During the first month of observation, 50 (3.8 %) patients stopped or did not even start taking antihypertensive therapy, during the second — 71 (5.5 %), during the third — 127 (9.8 %). Adherence to antihypertensive therapy is higher in younger people (up to 55 years) compared to patients aged over 65, in people with higher education, in patients taking fixed combinations, especially olmesartan/amlodipine, or olmesartan/amlodi-pine/hydrochlorothiazide, while gender had no effect on adherence. Additional factors related to adherence to antihypertensive therapy during the war were as follows: the level of danger in the region of residence, the internally displaced status of the patient or doctor. The lowest adherence to antihypertensive therapy after 3 months was registered in the internally displaced persons who suffered morally or physically and is only 34.5 % compared to patients who stayed in the place of permanent residence — 82.6 % (р = 0.0001), or to those who moved preventively — 74.3 % (р = 0.0001). Adherence to therapy also depends on the status of the doctor. Among doctors with the status of an internally displaced person, patients’ adherence to therapy is lower: 68.3 against 82 % (р = 0.0008). Conclusions. Adherence to antihypertensive therapy in Ukraine during the war depends on known factors influencing the completeness of the doctor’s recommendations, including age, educational level, concomitant diseases, the number of tablets, and specific factors caused by the war, such as activity of hostilities in the region, as well as the status of an internally displaced person, both in patients and doctors.