Measuring Blood Pressure in Pregnancy Using Mercury and Automated Device

A Prospective Randomised Study of Automated Versus Mercury Blood Pressure Recordings in Pregnancy

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00809666

Acronym

PRAM

Enrollment

220

Registered

2008-12-17

Start date

2000-05-31

Completion date

2006-09-30

Last updated

2008-12-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hypertension, Pre Eclampsia, Pregnancy

Keywords

pregnancy, hypertension, mercury sphygmomanometry, blood pressure, automated blood pressure, pre eclampsia, Hypertension in pregnancy

Brief summary

The aim of the PRAM study was to determine whether women diagnosed with hypertension in pregnancy, using the traditional mercury device, have the same pregnancy outcomes when blood pressure is measured by either an automated device or a mercury device throughout the pregnancy.

Interventions

DEVICEAutomated blood pressure recording device Omron HEM 705CP

All subsequent blood pressure recordings done using the automated device

Study design

Allocation

RANDOMIZED

Intervention model

SINGLE_GROUP

Primary purpose

DIAGNOSTIC

Masking

SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender

FEMALE

Age

16 Years to 45 Years

Healthy volunteers

Yes

Inclusion criteria

* women with a diagnosis of hypertension in pregnancy

Exclusion criteria

* non-pregnant and normotensive pregnancy women

Design outcomes

Primary

Measure	Time frame
The primary maternal outcome measure was the number of women having any episode of severe hypertension (BP ³ 170/110mmHg).	—

Secondary

Measure	Time frame
Secondary end points included gestation at birth, caesarean section and induction of labour rates.	—

Countries

Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026