Hypertension and 24-hour Ambulatory Blood Pressure Monitoring by Julian Segura

Author:Julian Segura
Language: eng
Format: epub, pdf
ISBN: 9783030027414
Publisher: Springer International Publishing

The cut-off to define a patient as dipper is a nocturnal fall:

1.More than 10% of daytime values

2.More than 10% of 24-h values

3.Less than 10% of daytime values

4.Less than 10% of 24-h values

Non-dipping status has also been associated with poor prognosis. Several studies have also reported an increased mortality of those with a non-dipping or a riser (higher BP during the night than during the day) patterns [6–8]. Data from the Spanish ABPM Registry showed that in untreated patients, 59.1% had nocturnal systolic BP <120 mmHg, whereas the remaining 40.9% had nocturnal hypertension (SBP ≥120 mmHg). A normal dipping pattern (nocturnal systolic BP decline >10%) was observed in 55.5% untreated patients, whereas the remaining 44.5% were considered non-dippers (nocturnal systolic BP decline ≤10%). Among treated patients, prevalence of nocturnal hypertension was 49.8%, and non-dipping was present in 57.2% [9].

There has been relatively little study into the benefits of therapeutic modification of nocturnal patterns. However, there is overall agreement that the reduction of nocturnal hypertension should be a therapeutic objective, in order to achieve effective BP control over the entire 24-h period [1].

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