P108 DIFFERENCES IN BLOOD PRESSURE CONTROL BASED ON HYPERTENSION SUBTYPE IN PATIENTS WITH A DE NOVO DIAGNOSIS: A RETROSPECTIVE COHORT STUDY

Abstract

Background and Objective: Currently, the selection of antihypertensive pharmacological treatment is carried out without considering whether only systolic or diastolic hypertension is present or both pressures are elevated. It is unknown whether the selection of individualized pharmacological treatment according to arterial hypertension (AH) subtype leads to greater blood pressure (BP) control. Therefore, this study aims to evaluate the association between the selection of pharmacological treatment based on AH subtype and BP control. Methods: This was a real-world cohort study that included 1,397 Latin American subjects with a de novo diagnosis of AH who received antihypertensive pharmacological treatment following current guidelines. Retrospectively, patients were classified by AH subtype according to the pattern of systolic or diastolic predominance of AH. Also, appropriateness of the pharmacological treatment was assessed based on AH subtype and the underlying hemodynamics of each subtype. BP control at the follow-up, within the first 12 weeks after diagnosis, was defined as <140/90 mmHg. Results: Among the subjects included in the study (n=1,397), the mean age was 52.4±13.2, and body mass index 28.8±4.9 kg/m2; 56.7% were women and 50.6% achieved BP control. The median time to the follow-up after diagnosis was 55 days (IQR 32-89 days). Regarding hemodynamic variables, the mean heart rate was 76.1±7.4 beats per minute, systolic blood pressure 147±13.9 mmHg, diastolic blood pressure 86.4±11.2, mean arterial pressure 108.0±9.5 mmHg, and pulse pressure 61.1±16.1 mmHg. The most frequent AH subtype was isolated systolic hypertension (47.3%). Initiation of appropriate antihypertensive pharmacological treatment was associated with greater BP control (OR 2.17; 95% CI 1.49 to 3.15; P value <0.001) (Figure). The patients who did not reach BP control presented a higher frequency of divergent systolic-diastolic hypertension subtype, and greater hemodynamic alterations. Conclusions: Appropriate selection of pharmacological treatment based on AH subtype is associated with better BP control in patients with newly diagnosed AH.