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Relationship between nocturnal blood pressure profiles and the presence and severity of hypertensive retinopathy.
Portuguese Journal of Cardiology : An Official Journal of the Portuguese Society of Cardiology 2018 Februrary
INTRODUCTION: Non-dipper and extreme dipper blood pressure (BP) profiles are associated with a worse cardiovascular prognosis. The relationship between nocturnal BP profile and hypertensive retinopathy (HR) is not fully established.
AIM: To assess the association between the prevalence and severity of HR and nocturnal BP.
METHODS: We prospectively studied hypertensive patients who underwent 24-hour ambulatory BP monitoring. The population was divided into two groups according to the presence or absence of lesions and compared according to baseline characteristics, nocturnal BP profile (dippers, non-dippers, inverted dippers/risers and extreme dippers) and mean nocturnal systolic (SBP) and diastolic (DBP) BP values. The presence and severity of HR were assessed using the Scheie classification. The relationship between nocturnal SBP and DBP values (and nocturnal BP profile) and the prevalence and severity of HR was determined.
RESULTS: Forty-six patients (46% male, aged 63±12 years) were analyzed, of whom 91% (n=42) were under antihypertensive treatment. Seventy percent (n=33) had uncontrolled BP. HR was diagnosed in 83% (n=38). Patients with HR had higher mean systolic nocturnal BP (151±23 vs. 130±13 mmHg), p=0.008). Patients with greater HR severity (Scheie stage ≥2) had higher nocturnal BP (153±25 vs. 140±16 mmHg, p=0.04). There was no statistically significant association between DBP and nocturnal BP patterns and HR.
CONCLUSIONS: The prevalence and severity of HR were associated with higher nocturnal SBP. No relationship was observed between nocturnal BP profile and the presence of HR.
AIM: To assess the association between the prevalence and severity of HR and nocturnal BP.
METHODS: We prospectively studied hypertensive patients who underwent 24-hour ambulatory BP monitoring. The population was divided into two groups according to the presence or absence of lesions and compared according to baseline characteristics, nocturnal BP profile (dippers, non-dippers, inverted dippers/risers and extreme dippers) and mean nocturnal systolic (SBP) and diastolic (DBP) BP values. The presence and severity of HR were assessed using the Scheie classification. The relationship between nocturnal SBP and DBP values (and nocturnal BP profile) and the prevalence and severity of HR was determined.
RESULTS: Forty-six patients (46% male, aged 63±12 years) were analyzed, of whom 91% (n=42) were under antihypertensive treatment. Seventy percent (n=33) had uncontrolled BP. HR was diagnosed in 83% (n=38). Patients with HR had higher mean systolic nocturnal BP (151±23 vs. 130±13 mmHg), p=0.008). Patients with greater HR severity (Scheie stage ≥2) had higher nocturnal BP (153±25 vs. 140±16 mmHg, p=0.04). There was no statistically significant association between DBP and nocturnal BP patterns and HR.
CONCLUSIONS: The prevalence and severity of HR were associated with higher nocturnal SBP. No relationship was observed between nocturnal BP profile and the presence of HR.
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