The prognostic value of ambulatory blood pressure (BP) monitoring for long-term prognosis varies in recent studies. The study aimed to investigate the role of ambulatory BP parameters in mortality and cardiovascular (CV) events in hypertensive patients. A series of 412 participants (59.34.0 years) who received ambulatory BP monitoring for their fluctuated BP, either untreated or treated since 1995, were enroled. The mortality and CV events were obtained by follow-up and linked to the National Death Registry in Taiwan. There were 233 untreated and 179 treated patients. The latter were older with more comorbidity when compared with the former. After follow-up for 8.51.7 years, both ambulatory systolic BP and pulse pressure (PP) could predict all-cause mortality, non-CV mortality, CV disease and stroke after adjusting for baseline covariates. However, only ambulatory PP could predict CV mortality and coronary heart disease. Ambulatory PP is better than ambulatory systolic BP, particularly in prediction of all-cause mortality. There was no predictive value of office BP in any outcome. In conclusion, ambulatory PP is a good predictor for long-term outcomes in hypertensive patients. The parameters of ambulatory rather than office BP could be applied for risk stratification either before or under antihypertensive treatment.
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