| Summary: | BACKGROUND AND AIM: Blood pressure is an independent predictor of target organ damage (TOD). Recent data from literature suggest that TOD can be present also in pre-hypertensive subjects, diagnosed with pressure monitoring (PM). Aim of this study is to clarify whether an augmentation of the carotid Intima-Media Thickness (cIMT) in office prehypertensives is a TOD associated to monitoring prehypertension (MP). PATIENTS AND METHODS: We have analyzed our database of individuals office normotensives showing an increase of cIMT. The ambulatory blood pressure monitoring (ABPM) of these was compared with those of office monitoring normotensives, matched by age and gender, antropometric characteristics, negative for familial hypertension and other risk factors (true normotensives, TN). RESULTS : We have selected 15 presumable prehypetensives (PP) and 8 TN subjects. The ABPM (ambulatory blood pressure monitoring) analysis confirmed that neither the PP nor TN showed systolic (S) and diastolic (D) BP withinday values above their day-night upper reference limits. However the statistical comparison between PP and TN revealed that the first group had a significant elevation of SBP and DBP Daily Mean Level (DML(SBP/DBP): 121 ± 2/81 ± 2 vs 112 ± 2/70 ± 2 mmHg, respectively, p = 0.007 and p = 0.002), confirming the MP diagnosis. CONCLUSIONS: These results demonstrate that cIMT increase in PP fulfill the criteria for MP diagnosis, suggesting that MP should be undertaken in all PP with altered cIMT, but larger prospective studies are needed.
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